| 1 |  |  | #!/usr/bin/env python | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  | # vim:fileencoding=utf-8 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  | # | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  | # Copyright (c) 2018 Stefan Bender | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  | # | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  | # This file is part of sciapy. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  | # sciapy is free software: you can redistribute it or modify it | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  | # under the terms of the GNU General Public License as published by | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  | # the Free Software Foundation, version 2. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  | # See accompanying LICENSE file or http://www.gnu.org/licenses/gpl-2.0.html. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 | 1 |  | """SCIAMACHY level 2 data post processing | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  | Main script for SCIAMACHY orbital retrieval post processing | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  | and data combining (to netcdf). | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  | """ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 | 1 |  | from __future__ import absolute_import, division, print_function | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 | 1 |  | import glob | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 | 1 |  | import os | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 | 1 |  | import argparse as ap | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 | 1 |  | import datetime as dt | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 | 1 |  | import logging | 
            
                                                                                                            
                            
            
                                    
            
            
                | 24 | 1 |  | from pkg_resources import resource_filename | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 | 1 |  | import numpy as np | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 | 1 |  | import pandas as pd | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 | 1 |  | import xarray as xr | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 | 1 |  | from scipy.interpolate import interp1d | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  | #import aacgmv2 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 |  |  | #import apexpy | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 | 1 |  | from astropy import units | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 | 1 |  | from astropy.time import Time | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 | 1 |  | from astropy.utils import iers | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 | 1 |  | import astropy.coordinates as coord | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 | 1 |  | import sciapy.level1c as sl | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 | 1 |  | from .. import __version__ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 | 1 |  | from . import scia_akm as sa | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 | 1 |  | from .igrf import gmag_igrf | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 | 1 |  | from .aacgm2005 import gmag_aacgm2005 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 | 1 |  | try: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 | 1 |  | 	from nrlmsise00 import msise_flat as msise | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 |  |  | except ImportError: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 |  |  | 	msise = None | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 | 1 |  | try: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 | 1 |  | 	from .noem import noem_cpp | 
            
                                                                                                            
                            
            
                                    
            
            
                | 49 | 1 |  | except ImportError: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 | 1 |  | 	noem_cpp = None | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 | 1 |  | F107_FILE = resource_filename("sciapy", "data/indices/f107_noontime_flux_obs.txt") | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 | 1 |  | F107A_FILE = resource_filename("sciapy", "data/indices/f107a_noontime_flux_obs.txt") | 
            
                                                                                                            
                            
            
                                    
            
            
                | 54 | 1 |  | AP_FILE = resource_filename("sciapy", "data/indices/spidr_ap_2000-2012.dat") | 
            
                                                                                                            
                            
            
                                    
            
            
                | 55 | 1 |  | F107_ADJ_FILE = resource_filename("sciapy", "data/indices/spidr_f107_2000-2012.dat") | 
            
                                                                                                            
                            
            
                                    
            
            
                | 56 | 1 |  | KP_FILE = resource_filename("sciapy", "data/indices/spidr_kp_2000-2012.dat") | 
            
                                                                                                            
                            
            
                                    
            
            
                | 57 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 | 1 |  | PHI_FAC = 11.91 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 | 1 |  | LST_FAC = -0.62 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 | 1 |  | iers.conf.auto_download = False | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 | 1 |  | iers.conf.auto_max_age = None | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 |  |  | # Use a mirror page for the astrpy time data, see | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 |  |  | # https://github.com/mzechmeister/serval/issues/33#issuecomment-551156361 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 65 |  |  | # and | 
            
                                                                                                            
                            
            
                                    
            
            
                | 66 |  |  | # https://github.com/astropy/astropy/issues/8981#issuecomment-523984247 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 67 | 1 |  | iers.conf.iers_auto_url = "https://astroconda.org/aux/astropy_mirror/iers_a_1/finals2000A.all" | 
            
                                                                                                            
                            
            
                                    
            
            
                | 68 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 69 |  |  |  | 
            
                                                                                                            
                            
            
                                                                    
                                                                                                        
            
            
                | 70 | 1 | View Code Duplication | def solar_zenith_angle(alt, lat, lon, time): | 
                            
                    |  |  |  | 
                                                                                        
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                | 71 | 1 |  | 	atime = Time(time) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 72 | 1 |  | 	loc = coord.EarthLocation.from_geodetic( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 73 |  |  | 		height=alt * units.km, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 74 |  |  | 		lat=lat * units.deg, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 75 |  |  | 		lon=lon * units.deg, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 76 |  |  | 	) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 77 | 1 |  | 	altaz = coord.AltAz(location=loc, obstime=atime) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 78 | 1 |  | 	sun = coord.get_sun(atime) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 79 | 1 |  | 	return sun.transform_to(altaz).zen.value | 
            
                                                                                                            
                            
            
                                    
            
            
                | 80 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 81 |  |  |  | 
            
                                                                                                            
                            
            
                                                                    
                                                                                                        
            
            
                | 82 | 1 | View Code Duplication | def read_spectra(year, orbit, spec_base=None, skip_upleg=True): | 
                            
                    |  |  |  | 
                                                                                        
                                                                                     | 
            
                                                                                                            
                            
            
                                    
            
            
                | 83 |  |  | 	"""Read and examine SCIAMACHY orbit spectra | 
            
                                                                                                            
                            
            
                                    
            
            
                | 84 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 85 |  |  | 	Reads the limb spactra and extracts the dates, times, latitudes, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 86 |  |  | 	longitudes to be used to re-assess the retrieved geolocations. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 87 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 88 |  |  | 	Parameters | 
            
                                                                                                            
                            
            
                                    
            
            
                | 89 |  |  | 	---------- | 
            
                                                                                                            
                            
            
                                    
            
            
                | 90 |  |  | 	year: int | 
            
                                                                                                            
                            
            
                                    
            
            
                | 91 |  |  | 		The measurement year to select the corresponding subdir | 
            
                                                                                                            
                            
            
                                    
            
            
                | 92 |  |  | 		below `spec_base` (see below). | 
            
                                                                                                            
                            
            
                                    
            
            
                | 93 |  |  | 	orbit: int | 
            
                                                                                                            
                            
            
                                    
            
            
                | 94 |  |  | 		SCIAMACHY/Envisat orbit number of the spectra. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 95 |  |  | 	spec_base: str, optional | 
            
                                                                                                            
                            
            
                                    
            
            
                | 96 |  |  | 		The root path to the level 1c spectra. Uses the current | 
            
                                                                                                            
                            
            
                                    
            
            
                | 97 |  |  | 		dir if not set or set to `None` (default). | 
            
                                                                                                            
                            
            
                                    
            
            
                | 98 |  |  | 	skip_upleg: bool, optional | 
            
                                                                                                            
                            
            
                                    
            
            
                | 99 |  |  | 		Skip upleg limb scans, i.e. night time scans. For NO retrievals, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 100 |  |  | 		those are not used and should be not used here. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 101 |  |  | 		Default: True | 
            
                                                                                                            
                            
            
                                    
            
            
                | 102 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 103 |  |  | 	Returns | 
            
                                                                                                            
                            
            
                                    
            
            
                | 104 |  |  | 	------- | 
            
                                                                                                            
                            
            
                                    
            
            
                | 105 |  |  | 	(dts, times, lats, lons, mlsts, alsts, eotcorr) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 106 |  |  | 	""" | 
            
                                                                                                            
                            
            
                                    
            
            
                | 107 | 1 |  | 	fail = (None,) * 7 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 108 | 1 |  | 	if spec_base is None: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 109 |  |  | 		spec_base = os.curdir | 
            
                                                                                                            
                            
            
                                    
            
            
                | 110 | 1 |  | 	spec_path = os.path.join(spec_base, "{0}".format(year)) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 111 | 1 |  | 	spec_path2 = os.path.join(spec_base, "{0}".format(int(year) + 1)) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 112 | 1 |  | 	logging.debug("spec_path: %s", spec_path) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 113 | 1 |  | 	logging.debug("spec_path2: %s", spec_path) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 114 | 1 |  | 	if not (os.path.isdir(spec_path) or os.path.isdir(spec_path2)): | 
            
                                                                                                            
                            
            
                                    
            
            
                | 115 |  |  | 		return fail | 
            
                                                                                                            
                            
            
                                    
            
            
                | 116 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 117 |  |  | 	# the star stands for the (optional) date subdir | 
            
                                                                                                            
                            
            
                                    
            
            
                | 118 |  |  | 	# to find all spectra for the orbit | 
            
                                                                                                            
                            
            
                                    
            
            
                | 119 | 1 |  | 	spfiles = glob.glob( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 120 |  |  | 			'{0}/*/SCIA_limb_*_1_0_{1:05d}.dat.l_mpl_binary' | 
            
                                                                                                            
                            
            
                                    
            
            
                | 121 |  |  | 			.format(spec_path, orbit)) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 122 |  |  | 	# sometimes for whatever reason the orbit ends up in the wrong year subdir | 
            
                                                                                                            
                            
            
                                    
            
            
                | 123 |  |  | 	# looks in the subdir for the following year as well. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 124 | 1 |  | 	spfiles += glob.glob( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 125 |  |  | 			'{0}/*/SCIA_limb_*_1_0_{1:05d}.dat.l_mpl_binary' | 
            
                                                                                                            
                            
            
                                    
            
            
                | 126 |  |  | 			.format(spec_path2, orbit)) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 127 | 1 |  | 	if len(spfiles) < 2: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 128 |  |  | 		return fail | 
            
                                                                                                            
                            
            
                                    
            
            
                | 129 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 130 | 1 |  | 	dts = [] | 
            
                                                                                                            
                            
            
                                    
            
            
                | 131 | 1 |  | 	times = [] | 
            
                                                                                                            
                            
            
                                    
            
            
                | 132 | 1 |  | 	lats = [] | 
            
                                                                                                            
                            
            
                                    
            
            
                | 133 | 1 |  | 	lons = [] | 
            
                                                                                                            
                            
            
                                    
            
            
                | 134 | 1 |  | 	mlsts = [] | 
            
                                                                                                            
                            
            
                                    
            
            
                | 135 | 1 |  | 	alsts = [] | 
            
                                                                                                            
                            
            
                                    
            
            
                | 136 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 137 | 1 |  | 	sls = sl.scia_limb_scan() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 138 | 1 |  | 	for f in sorted(spfiles): | 
            
                                                                                                            
                            
            
                                    
            
            
                | 139 | 1 |  | 		sls.read_from_file(f) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 140 |  |  | 		# copy the values from the l1c file | 
            
                                                                                                            
                            
            
                                    
            
            
                | 141 | 1 |  | 		lat, lon = sls.cent_lat_lon[:2] | 
            
                                                                                                            
                            
            
                                    
            
            
                | 142 | 1 |  | 		mlst, alst, eotcorr = sls.local_solar_time(False) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 143 | 1 |  | 		tp_lats = sls.limb_data.tp_lat | 
            
                                                                                                            
                            
            
                                    
            
            
                | 144 | 1 |  | 		date = sls.date | 
            
                                                                                                            
                            
            
                                    
            
            
                | 145 |  |  | 		# debug output if requested | 
            
                                                                                                            
                            
            
                                    
            
            
                | 146 | 1 |  | 		logging.debug("file: %s", f) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 147 | 1 |  | 		logging.debug("lat: %s, lon: %s", lat, lon) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 148 | 1 |  | 		logging.debug("mlst: %s, alst: %s, eotcorr: %s", mlst, alst, eotcorr) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 149 | 1 |  | 		logging.debug("tp_lats: %s", tp_lats) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 150 | 1 |  | 		logging.debug("date: %s", date) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 151 | 1 |  | 		if skip_upleg and ((tp_lats[1] - tp_lats[-2]) < 0.5): | 
            
                                                                                                            
                            
            
                                    
            
            
                | 152 |  |  | 			# Exclude non-downleg measurements where the latitude | 
            
                                                                                                            
                            
            
                                    
            
            
                | 153 |  |  | 			# of the last real tangent point (the last is dark sky) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 154 |  |  | 			# is larger than or too close to the first latitude. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 155 |  |  | 			# Requires an (empirical) separation of +0.5 degree. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 156 | 1 |  | 			logging.debug("excluding upleg point at: %s, %s", lat, lon) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 157 | 1 |  | 			continue | 
            
                                                                                                            
                            
            
                                    
            
            
                | 158 | 1 |  | 		dtdate = pd.to_datetime(dt.datetime(*date), utc=True) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 159 | 1 |  | 		time_hour = dtdate.hour + dtdate.minute / 60.0 + dtdate.second / 3600.0 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 160 | 1 |  | 		logging.debug("mean lst: %s, apparent lst: %s, EoT: %s", mlst, alst, eotcorr) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 161 | 1 |  | 		dts.append(dtdate) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 162 | 1 |  | 		times.append(time_hour) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 163 | 1 |  | 		lats.append(lat) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 164 | 1 |  | 		lons.append(lon) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 165 | 1 |  | 		mlsts.append(mlst) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 166 | 1 |  | 		alsts.append(alst) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 167 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 168 | 1 |  | 	if len(lats) < 2: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 169 |  |  | 		# interpolation will fail with less than 2 points | 
            
                                                                                                            
                            
            
                                    
            
            
                | 170 |  |  | 		return fail | 
            
                                                                                                            
                            
            
                                    
            
            
                | 171 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 172 | 1 |  | 	return (np.asarray(dts), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 173 |  |  | 			np.asarray(times), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 174 |  |  | 			np.asarray(lats), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 175 |  |  | 			np.asarray(lons), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 176 |  |  | 			np.asarray(mlsts), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 177 |  |  | 			np.asarray(alsts), eotcorr) | 
                            
                    |  |  |  | 
                                                                                        
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                | 178 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 179 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 180 | 1 |  | def _get_orbit_ds(filename): | 
            
                                                                                                            
                            
            
                                    
            
            
                | 181 |  |  | 	# >= 1.5 (NO-v1.5) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 182 | 1 |  | 	columns = [ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 183 |  |  | 		"id", "alt_max", "alt", "alt_min", | 
            
                                                                                                            
                            
            
                                    
            
            
                | 184 |  |  | 		"lat_max", "lat", "lat_min", "lons", "densities", | 
            
                                                                                                            
                            
            
                                    
            
            
                | 185 |  |  | 		"dens_err_meas", "dens_err_tot", "dens_tot", "apriori", "akdiag", | 
            
                                                                                                            
                            
            
                                    
            
            
                | 186 |  |  | 	] | 
            
                                                                                                            
                            
            
                                    
            
            
                | 187 |  |  | 	# peek at the first line to extract the number of columns | 
            
                                                                                                            
                            
            
                                    
            
            
                | 188 | 1 |  | 	with open(filename, 'rb') as _f: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 189 | 1 |  | 		ncols = len(_f.readline().split()) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 190 |  |  | 	# reduce the columns depending on the retrieval version | 
            
                                                                                                            
                            
            
                                    
            
            
                | 191 |  |  | 	# default is >= 1.5 (NO-v1.5) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 192 | 1 |  | 	if ncols < 16:  # < 1.5 (NO_emiss-183-gcaa9349) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 193 |  |  | 		columns.remove("akdiag") | 
            
                                                                                                            
                            
            
                                    
            
            
                | 194 |  |  | 		if ncols < 15:  # < 1.0 (NO_emiss-178-g729efb0) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 195 |  |  | 			columns.remove("apriori") | 
            
                                                                                                            
                            
            
                                    
            
            
                | 196 |  |  | 			if ncols < 14:  # initial output << v1.0 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 197 |  |  | 				columns.remove("lons") | 
            
                                                                                                            
                            
            
                                    
            
            
                | 198 | 1 |  | 	sdd_pd = pd.read_table(filename, header=None, names=columns, skiprows=1, sep='\s+') | 
            
                                                                                                            
                            
            
                                    
            
            
                | 199 | 1 |  | 	sdd_pd = sdd_pd.set_index("id") | 
            
                                                                                                            
                            
            
                                    
            
            
                | 200 | 1 |  | 	logging.debug("orbit ds: %s", sdd_pd.to_xarray()) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 201 | 1 |  | 	ind = pd.MultiIndex.from_arrays( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 202 |  |  | 		[sdd_pd.lat, sdd_pd.alt], | 
            
                                                                                                            
                            
            
                                    
            
            
                | 203 |  |  | 		names=["lats", "alts"], | 
            
                                                                                                            
                            
            
                                    
            
            
                | 204 |  |  | 	) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 205 | 1 |  | 	sdd_ds = xr.Dataset.from_dataframe(sdd_pd).assign(id=ind).unstack("id") | 
            
                                                                                                            
                            
            
                                    
            
            
                | 206 | 1 |  | 	logging.debug("orbit dataset: %s", sdd_ds) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 207 | 1 |  | 	sdd_ds["lons"] = sdd_ds.lons.mean("alts") | 
            
                                                                                                            
                            
            
                                    
            
            
                | 208 | 1 |  | 	sdd_ds.load() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 209 | 1 |  | 	logging.debug("orbit ds 2: %s", sdd_ds.stack(id=["lats", "alts"]).reset_index("id")) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 210 | 1 |  | 	return sdd_ds | 
            
                                                                                                            
                            
            
                                    
            
            
                | 211 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 212 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 213 | 1 |  | class _circ_interp(object): | 
            
                                                                                                            
                            
            
                                    
            
            
                | 214 |  |  | 	"""Interpolation on a circle""" | 
            
                                                                                                            
                            
            
                                    
            
            
                | 215 | 1 |  | 	def __init__(self, x, y, **kw): | 
            
                                                                                                            
                            
            
                                    
            
            
                | 216 | 1 |  | 		self.c_intpf = interp1d(x, np.cos(y), **kw) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 217 | 1 |  | 		self.s_intpf = interp1d(x, np.sin(y), **kw) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 218 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 219 | 1 |  | 	def __call__(self, x): | 
            
                                                                                                            
                            
            
                                    
            
            
                | 220 | 1 |  | 		return np.arctan2(self.s_intpf(x), self.c_intpf(x)) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 221 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 222 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 223 | 1 |  | def process_orbit( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 224 |  |  | 	orbit, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 225 |  |  | 	ref_date="2000-01-01", | 
            
                                                                                                            
                            
            
                                    
            
            
                | 226 |  |  | 	dens_path=None, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 227 |  |  | 	spec_base=None, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 228 |  |  | 	use_msis=True, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 229 |  |  | ): | 
            
                                                                                                            
                            
            
                                    
            
            
                | 230 |  |  | 	"""Post process retrieved SCIAMACHY orbit | 
            
                                                                                                            
                            
            
                                    
            
            
                | 231 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 232 |  |  | 	Parameters | 
            
                                                                                                            
                            
            
                                    
            
            
                | 233 |  |  | 	---------- | 
            
                                                                                                            
                            
            
                                    
            
            
                | 234 |  |  | 	orbit: int | 
            
                                                                                                            
                            
            
                                    
            
            
                | 235 |  |  | 		SCIAMACHY/Envisat orbit number of the results to process. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 236 |  |  | 	ref_date: str, optional | 
            
                                                                                                            
                            
            
                                    
            
            
                | 237 |  |  | 		Base date to calculate the relative days from, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 238 |  |  | 		of the format "%Y-%m-%d". Default: 2000-01-01 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 239 |  |  | 	dens_path: str, optional | 
            
                                                                                                            
                            
            
                                    
            
            
                | 240 |  |  | 		The path to the level 2 data. Uses the current | 
            
                                                                                                            
                            
            
                                    
            
            
                | 241 |  |  | 		dir if not set or set to `None` (default). | 
            
                                                                                                            
                            
            
                                    
            
            
                | 242 |  |  | 	spec_base: str, optional | 
            
                                                                                                            
                            
            
                                    
            
            
                | 243 |  |  | 		The root path to the level 1c spectra. Uses the current | 
            
                                                                                                            
                            
            
                                    
            
            
                | 244 |  |  | 		dir if not set or set to `None` (default). | 
            
                                                                                                            
                            
            
                                    
            
            
                | 245 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 246 |  |  | 	Returns | 
            
                                                                                                            
                            
            
                                    
            
            
                | 247 |  |  | 	------- | 
            
                                                                                                            
                            
            
                                    
            
            
                | 248 |  |  | 	(dts0, time0, lst0, lon0, sdd): tuple | 
            
                                                                                                            
                            
            
                                    
            
            
                | 249 |  |  | 		dts0 - days since ref_date at equator crossing (float) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 250 |  |  | 		time0 - utc hour into the day at equator crossing (float) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 251 |  |  | 		lst0 - apparent local solar time at the equator (float) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 252 |  |  | 		lon0 - longitude of the equator crossing (float) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 253 |  |  | 		sdd - `scia_density_pp` instance of the post-processed data | 
            
                                                                                                            
                            
            
                                    
            
            
                | 254 |  |  | 	""" | 
            
                                                                                                            
                            
            
                                    
            
            
                | 255 | 1 |  | 	def _read_gm(fname): | 
            
                                                                                                            
                            
            
                                    
            
            
                | 256 | 1 |  | 		return dict(np.genfromtxt(fname, usecols=[0, 2], dtype=None)) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 257 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 258 | 1 |  | 	fail = (None,) * 5 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 259 | 1 |  | 	logging.debug("processing orbit: %s", orbit) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 260 | 1 |  | 	dtrefdate = pd.to_datetime(ref_date, format="%Y-%m-%d", utc=True) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 261 | 1 |  | 	logging.debug("ref date: %s", dtrefdate) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 262 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 263 | 1 |  | 	dfiles = glob.glob( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 264 |  |  | 			"{0}/000NO_orbit_{1:05d}_*_Dichten.txt" | 
            
                                                                                                            
                            
            
                                    
            
            
                | 265 |  |  | 			.format(dens_path, orbit)) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 266 | 1 |  | 	if len(dfiles) < 1: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 267 | 1 |  | 		return fail | 
            
                                                                                                            
                            
            
                                    
            
            
                | 268 | 1 |  | 	logging.debug("dfiles: %s", dfiles) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 269 | 1 |  | 	logging.debug("splits: %s", [fn.split('/') for fn in dfiles]) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 270 | 1 |  | 	ddict = dict([ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 271 |  |  | 		(fn, (fn.split('/')[-3:-1] + fn.split('/')[-1].split('_')[3:4])) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 272 |  |  | 		for fn in dfiles | 
            
                                                                                                            
                            
            
                                    
            
            
                | 273 |  |  | 	]) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 274 | 1 |  | 	logging.debug("ddict: %s", ddict) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 275 | 1 |  | 	year = ddict[sorted(ddict.keys())[0]][-1][:4] | 
            
                                                                                                            
                            
            
                                    
            
            
                | 276 | 1 |  | 	logging.debug("year: %s", year) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 277 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 278 | 1 |  | 	dts, times, lats, lons, mlsts, alsts, eotcorr = \ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 279 |  |  | 		read_spectra(year, orbit, spec_base) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 280 | 1 |  | 	if dts is None: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 281 |  |  | 		# return early if reading the spectra failed | 
            
                                                                                                            
                            
            
                                    
            
            
                | 282 |  |  | 		return fail | 
            
                                                                                                            
                            
            
                                    
            
            
                | 283 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 284 | 1 |  | 	dts = pd.to_datetime(dts, utc=True) - dtrefdate | 
            
                                                                                                            
                            
            
                                    
            
            
                | 285 | 1 |  | 	dts = np.array([dtd.days + dtd.seconds / 86400. for dtd in dts]) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 286 | 1 |  | 	logging.debug("lats: %s, lons: %s, times: %s", lats, lons, times) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 287 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 288 | 1 |  | 	sdd = _get_orbit_ds(dfiles[0]) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 289 | 1 |  | 	logging.debug("density lats: %s, lons: %s", sdd.lats, sdd.lons) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 290 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 291 |  |  | 	# Re-interpolates the location (longitude) and times from the | 
            
                                                                                                            
                            
            
                                    
            
            
                | 292 |  |  | 	# limb scan spectra files along the orbit to determine the values | 
            
                                                                                                            
                            
            
                                    
            
            
                | 293 |  |  | 	# at the Equator and to fill in possibly missing data. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 294 |  |  | 	# | 
            
                                                                                                            
                            
            
                                    
            
            
                | 295 |  |  | 	# y values are unit circle angles in radians (0 < phi < 2 pi or -pi < phi < pi) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 296 |  |  | 	# longitudes | 
            
                                                                                                            
                            
            
                                    
            
            
                | 297 | 1 |  | 	lons_intpf = _circ_interp( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 298 |  |  | 		lats[::-1], np.radians(lons[::-1]), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 299 |  |  | 		fill_value="extrapolate", | 
            
                                                                                                            
                            
            
                                    
            
            
                | 300 |  |  | 	) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 301 |  |  | 	# apparent local solar time (EoT corrected) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 302 | 1 |  | 	lst_intpf = _circ_interp( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 303 |  |  | 		lats[::-1], np.pi / 12. * alsts[::-1], | 
            
                                                                                                            
                            
            
                                    
            
            
                | 304 |  |  | 		fill_value="extrapolate", | 
            
                                                                                                            
                            
            
                                    
            
            
                | 305 |  |  | 	) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 306 |  |  | 	# mean local solar time | 
            
                                                                                                            
                            
            
                                    
            
            
                | 307 | 1 |  | 	mst_intpf = _circ_interp( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 308 |  |  | 		lats[::-1], np.pi / 12. * mlsts[::-1], | 
            
                                                                                                            
                            
            
                                    
            
            
                | 309 |  |  | 		fill_value="extrapolate", | 
            
                                                                                                            
                            
            
                                    
            
            
                | 310 |  |  | 	) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 311 |  |  | 	# utc time (day) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 312 | 1 |  | 	time_intpf = _circ_interp( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 313 |  |  | 		lats[::-1], np.pi / 12. * times[::-1], | 
            
                                                                                                            
                            
            
                                    
            
            
                | 314 |  |  | 		fill_value="extrapolate", | 
            
                                                                                                            
                            
            
                                    
            
            
                | 315 |  |  | 	) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 316 |  |  | 	# datetime | 
            
                                                                                                            
                            
            
                                    
            
            
                | 317 | 1 |  | 	dts_retr_interpf = interp1d(lats[::-1], dts[::-1], fill_value="extrapolate") | 
            
                                                                                                            
                            
            
                                    
            
            
                | 318 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 319 |  |  | 	# equator values | 
            
                                                                                                            
                            
            
                                    
            
            
                | 320 | 1 |  | 	lon0 = np.degrees(lons_intpf(0.)) % 360. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 321 | 1 |  | 	lst0 = (lst_intpf(0.) * 12. / np.pi) % 24. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 322 | 1 |  | 	mst0 = (mst_intpf(0.) * 12. / np.pi) % 24. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 323 | 1 |  | 	time0 = (time_intpf(0.) * 12. / np.pi) % 24. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 324 | 1 |  | 	dts_retr_interp0 = dts_retr_interpf(0.) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 325 | 1 |  | 	logging.debug("utc day at equator: %s", dts_retr_interp0) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 326 | 1 |  | 	logging.debug("mean LST at equator: %s, apparent LST at equator: %s", mst0, lst0) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 327 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 328 | 1 |  | 	sdd["utc_hour"] = ("lats", (time_intpf(sdd.lats) * 12. / np.pi) % 24.) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 329 | 1 |  | 	sdd["utc_days"] = ("lats", dts_retr_interpf(sdd.lats)) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 330 |  |  |  | 
            
                                                                                                            
                            
            
                                                                    
                                                                                                        
            
            
                | 331 | 1 | View Code Duplication | 	if "lons" not in sdd.data_vars: | 
                            
                    |  |  |  | 
                                                                                        
                                                                                     | 
            
                                                                                                            
                            
            
                                    
            
            
                | 332 |  |  | 		# recalculate the longitudes | 
            
                                                                                                            
                            
            
                                    
            
            
                | 333 |  |  | 		# estimate the equatorial longitude from the | 
            
                                                                                                            
                            
            
                                    
            
            
                | 334 |  |  | 		# limb scan latitudes and longitudes | 
            
                                                                                                            
                            
            
                                    
            
            
                | 335 |  |  | 		lon0s_tp = lons - PHI_FAC * np.tan(np.radians(lats)) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 336 |  |  | 		clon0s_tp = np.cos(np.radians(lon0s_tp)) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 337 |  |  | 		slon0s_tp = np.sin(np.radians(lon0s_tp)) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 338 |  |  | 		lon0_tp = np.arctan2(np.sum(slon0s_tp[1:-1]), np.sum(clon0s_tp[1:-1])) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 339 |  |  | 		lon0_tp = np.degrees((lon0_tp + 2. * np.pi) % (2. * np.pi)) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 340 |  |  | 		logging.info("lon0: %s", lon0) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 341 |  |  | 		logging.info("lon0 tp: %s", lon0_tp) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 342 |  |  | 		# interpolate to the retrieval latitudes | 
            
                                                                                                            
                            
            
                                    
            
            
                | 343 |  |  | 		tg_retr_lats = np.tan(np.radians(sdd.lats)) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 344 |  |  | 		calc_lons = (tg_retr_lats * PHI_FAC + lon0) % 360. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 345 |  |  | 		calc_lons_tp = (tg_retr_lats * PHI_FAC + lon0_tp) % 360. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 346 |  |  | 		sdd["lons"] = calc_lons_tp | 
            
                                                                                                            
                            
            
                                    
            
            
                | 347 |  |  | 		logging.debug("(calculated) retrieval lons: %s, %s", | 
            
                                                                                                            
                            
            
                                    
            
            
                | 348 |  |  | 				calc_lons, calc_lons_tp) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 349 |  |  | 	else: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 350 |  |  | 		# sdd.lons = sdd.lons % 360. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 351 | 1 |  | 		logging.debug("(original) retrieval lons: %s", sdd.lons) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 352 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 353 | 1 |  | 	sdd["mst"] = (sdd.utc_hour + sdd.lons / 15.) % 24. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 354 | 1 |  | 	sdd["lst"] = sdd.mst + eotcorr / 60. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 355 | 1 |  | 	mean_alt_km = sdd.alts.mean() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 356 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 357 | 1 |  | 	dt_date_this = dt.timedelta(dts_retr_interp0.item()) + dtrefdate | 
            
                                                                                                            
                            
            
                                    
            
            
                | 358 | 1 |  | 	logging.info("date: %s", dt_date_this) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 359 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 360 | 1 |  | 	gmlats, gmlons = gmag_igrf(dt_date_this, sdd.lats, sdd.lons, alt=mean_alt_km) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 361 |  |  | 	# gmlats, gmlons = apexpy.Apex(dt_date_this).geo2qd(sdd.lats, sdd.lons, mean_alt_km) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 362 | 1 |  | 	sdd["gm_lats"] = gmlats | 
            
                                                                                                            
                            
            
                                    
            
            
                | 363 | 1 |  | 	sdd["gm_lons"] = gmlons | 
            
                                                                                                            
                            
            
                                    
            
            
                | 364 | 1 |  | 	logging.debug("geomag. lats: %s, lons: %s", sdd.gm_lats, sdd.gm_lons) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 365 | 1 |  | 	aacgmgmlats, aacgmgmlons = gmag_aacgm2005(sdd.lats, sdd.lons) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 366 |  |  | 	# aacgmgmlats, aacgmgmlons = aacgmv2.convert(sdd.lats, sdd.lons, mean_alt_km, dt_date_this) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 367 | 1 |  | 	sdd["aacgm_gm_lats"] = ("lats", aacgmgmlats) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 368 | 1 |  | 	sdd["aacgm_gm_lons"] = ("lats", aacgmgmlons) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 369 | 1 |  | 	logging.debug("aacgm geomag. lats: %s, lons: %s", | 
            
                                                                                                            
                            
            
                                    
            
            
                | 370 |  |  | 			sdd.aacgm_gm_lats, sdd.aacgm_gm_lons) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 371 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 372 |  |  | 	# current day for MSIS input | 
            
                                                                                                            
                            
            
                                    
            
            
                | 373 | 1 |  | 	f107_data = _read_gm(F107_FILE) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 374 | 1 |  | 	f107a_data = _read_gm(F107A_FILE) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 375 | 1 |  | 	ap_data = _read_gm(AP_FILE) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 376 | 1 |  | 	msis_dtdate = dt.timedelta(dts_retr_interp0.item()) + dtrefdate | 
            
                                                                                                            
                            
            
                                    
            
            
                | 377 | 1 |  | 	msis_dtdate1 = msis_dtdate - dt.timedelta(days=1) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 378 | 1 |  | 	msis_date = msis_dtdate.strftime("%Y-%m-%d").encode() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 379 | 1 |  | 	msis_date1 = msis_dtdate1.strftime("%Y-%m-%d").encode() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 380 | 1 |  | 	msis_f107 = f107_data[msis_date1] | 
            
                                                                                                            
                            
            
                                    
            
            
                | 381 | 1 |  | 	msis_f107a = f107a_data[msis_date] | 
            
                                                                                                            
                            
            
                                    
            
            
                | 382 | 1 |  | 	msis_ap = ap_data[msis_date] | 
            
                                                                                                            
                            
            
                                    
            
            
                | 383 | 1 |  | 	logging.debug("MSIS date: %s, f10.7a: %s, f10.7: %s, ap: %s", | 
            
                                                                                                            
                            
            
                                    
            
            
                | 384 |  |  | 			msis_date, msis_f107a, msis_f107, msis_ap) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 385 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 386 |  |  | 	# previous day for NOEM input | 
            
                                                                                                            
                            
            
                                    
            
            
                | 387 | 1 |  | 	f107_adj = _read_gm(F107_ADJ_FILE) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 388 | 1 |  | 	kp_data = _read_gm(KP_FILE) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 389 | 1 |  | 	noem_dtdate = dt.timedelta(dts_retr_interp0.item() - 1) + dtrefdate | 
            
                                                                                                            
                            
            
                                    
            
            
                | 390 | 1 |  | 	noem_date = noem_dtdate.strftime("%Y-%m-%d").encode() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 391 | 1 |  | 	noem_f107 = f107_adj[noem_date] | 
            
                                                                                                            
                            
            
                                    
            
            
                | 392 | 1 |  | 	noem_kp = kp_data[noem_date] | 
            
                                                                                                            
                            
            
                                    
            
            
                | 393 | 1 |  | 	logging.debug("NOEM date: %s, f10.7: %s, kp: %s", | 
            
                                                                                                            
                            
            
                                    
            
            
                | 394 |  |  | 			noem_date, noem_f107, noem_kp) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 395 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 396 | 1 |  | 	for var in ["noem_no"]: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 397 | 1 |  | 		if var not in sdd.data_vars: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 398 | 1 |  | 			sdd[var] = xr.zeros_like(sdd.densities) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 399 | 1 |  | 	if "sza" not in sdd.data_vars: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 400 | 1 |  | 		sdd["sza"] = xr.zeros_like(sdd.lats) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 401 | 1 |  | 	if "akdiag" not in sdd.data_vars: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 402 |  |  | 		sdd["akdiag"] = xr.full_like(sdd.densities, np.nan) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 403 |  |  | 		#akm_filename = glob.glob('{0}_orbit_{1:05d}_*_AKM*'.format(species, orb))[0] | 
            
                                                                                                            
                            
            
                                    
            
            
                | 404 |  |  | 		akm_filename = glob.glob( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 405 |  |  | 				"{0}/000NO_orbit_{1:05d}_*_AKM*" | 
            
                                                                                                            
                            
            
                                    
            
            
                | 406 |  |  | 				.format(dens_path, orbit))[0] | 
            
                                                                                                            
                            
            
                                    
            
            
                | 407 |  |  | 		logging.debug("ak file: %s", akm_filename) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 408 |  |  | 		ak = sa.read_akm(akm_filename, sdd.nalt, sdd.nlat) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 409 |  |  | 		logging.debug("ak data: %s", ak) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 410 |  |  | 		#ak1a = ak.sum(axis = 3) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 411 |  |  | 		#dak1a = np.diagonal(ak1a, axis1=0, axis2=2) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 412 |  |  | 		sdd["akdiag"] = ak.diagonal(axis1=1, axis2=3).diagonal(axis1=0, axis2=1) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 413 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 414 | 1 |  | 	if msise is not None: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 415 | 1 |  | 		_msis_d_t = msise( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 416 |  |  | 			msis_dtdate, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 417 |  |  | 			sdd.alts.values[None, :], | 
            
                                                                                                            
                            
            
                                    
            
            
                | 418 |  |  | 			sdd.lats.values[:, None], | 
            
                                                                                                            
                            
            
                                    
            
            
                | 419 |  |  | 			sdd.lons.values[:, None] % 360., | 
            
                                                                                                            
                            
            
                                    
            
            
                | 420 |  |  | 			msis_f107a, msis_f107, msis_ap, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 421 |  |  | 			lst=sdd.lst.values[:, None], | 
            
                                                                                                            
                            
            
                                    
            
            
                | 422 |  |  | 		) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 423 | 1 |  | 		if "temperature" not in sdd.data_vars or use_msis: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 424 | 1 |  | 			sdd["temperature"] = xr.zeros_like(sdd.densities) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 425 | 1 |  | 			sdd.temperature[:] = _msis_d_t[:, :, -1] | 
            
                                                                                                            
                            
            
                                    
            
            
                | 426 | 1 |  | 		if "dens_tot" not in sdd.data_vars or use_msis: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 427 | 1 |  | 			sdd["dens_tot"] = xr.zeros_like(sdd.densities) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 428 | 1 |  | 			sdd.dens_tot[:] = np.sum(_msis_d_t[:, :, np.r_[:5, 6:9]], axis=2) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 429 | 1 |  | 	for i, (lat, lon) in enumerate( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 430 |  |  | 			zip(sdd.lats.values, sdd.lons.values)): | 
            
                                                                                                            
                            
            
                                    
            
            
                | 431 | 1 |  | 		if noem_cpp is not None: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 432 |  |  | 			sdd.noem_no[i] = noem_cpp(noem_date.decode(), sdd.alts, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 433 |  |  | 					[lat], [lon], noem_f107, noem_kp)[:] | 
            
                                                                                                            
                            
            
                                    
            
            
                | 434 |  |  | 		else: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 435 | 1 |  | 			sdd.noem_no[i][:] = np.nan | 
            
                                                                                                            
                            
            
                                    
            
            
                | 436 | 1 |  | 	sdd.sza[:] = solar_zenith_angle( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 437 |  |  | 			mean_alt_km, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 438 |  |  | 			sdd.lats, sdd.lons, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 439 |  |  | 			(pd.to_timedelta(sdd.utc_days.values, unit="days") + dtrefdate).to_pydatetime(), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 440 |  |  | 	) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 441 | 1 |  | 	sdd["vmr"] = sdd.densities / sdd.dens_tot * 1.e9  # ppb | 
            
                                                                                                            
                            
            
                                    
            
            
                | 442 |  |  | 	# drop unused variables | 
            
                                                                                                            
                            
            
                                    
            
            
                | 443 | 1 |  | 	sdd = sdd.drop(["alt_min", "alt", "alt_max", "lat_min", "lat", "lat_max"]) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 444 |  |  | 	# time and orbit | 
            
                                                                                                            
                            
            
                                    
            
            
                | 445 | 1 |  | 	sdd = sdd.expand_dims("time") | 
            
                                                                                                            
                            
            
                                    
            
            
                | 446 | 1 |  | 	sdd["time"] = ("time", [dts_retr_interp0]) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 447 | 1 |  | 	sdd["orbit"] = ("time", [orbit]) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 448 | 1 |  | 	return dts_retr_interp0, time0, lst0, lon0, sdd | 
            
                                                                                                            
                            
            
                                    
            
            
                | 449 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 450 |  |  |  | 
            
                                                                                                            
                            
            
                                                                    
                                                                                                        
            
            
                | 451 | 1 | View Code Duplication | def get_orbits_from_date(date, mlt=False, path=None, L2_version="v6.2"): | 
                            
                    |  |  |  | 
                                                                                        
                                                                                     | 
            
                                                                                                            
                            
            
                                    
            
            
                | 452 |  |  | 	"""Find SCIAMACHY orbits with retrieved data at a date | 
            
                                                                                                            
                            
            
                                    
            
            
                | 453 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 454 |  |  | 	Parameters | 
            
                                                                                                            
                            
            
                                    
            
            
                | 455 |  |  | 	---------- | 
            
                                                                                                            
                            
            
                                    
            
            
                | 456 |  |  | 	date: str | 
            
                                                                                                            
                            
            
                                    
            
            
                | 457 |  |  | 		The date in the format "%Y-%m-%d". | 
            
                                                                                                            
                            
            
                                    
            
            
                | 458 |  |  | 	mlt: bool, optional | 
            
                                                                                                            
                            
            
                                    
            
            
                | 459 |  |  | 		Look for MLT mode data instead of nominal mode data. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 460 |  |  | 		Increases the heuristics to find all MLT orbits. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 461 |  |  | 	path: str, optional | 
            
                                                                                                            
                            
            
                                    
            
            
                | 462 |  |  | 		The path to the level 2 data. If `None` tries to infer | 
            
                                                                                                            
                            
            
                                    
            
            
                | 463 |  |  | 		the data directory from the L2 version using | 
            
                                                                                                            
                            
            
                                    
            
            
                | 464 |  |  | 		`./*<L2_version>`. Default: None | 
            
                                                                                                            
                            
            
                                    
            
            
                | 465 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 466 |  |  | 	Returns | 
            
                                                                                                            
                            
            
                                    
            
            
                | 467 |  |  | 	------- | 
            
                                                                                                            
                            
            
                                    
            
            
                | 468 |  |  | 	orbits: list | 
            
                                                                                                            
                            
            
                                    
            
            
                | 469 |  |  | 		List of found orbits with retrieved data files | 
            
                                                                                                            
                            
            
                                    
            
            
                | 470 |  |  | 	""" | 
            
                                                                                                            
                            
            
                                    
            
            
                | 471 | 1 |  | 	logging.debug("pre-processing: %s", date) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 472 | 1 |  | 	if path is None: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 473 |  |  | 		density_base = os.curdir | 
            
                                                                                                            
                            
            
                                    
            
            
                | 474 |  |  | 		path = "{0}/*{1}".format(density_base, L2_version) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 475 |  |  | 		logging.debug("path: %s", path) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 476 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 477 | 1 |  | 	dfiles = glob.glob("{0}/000NO_orbit_*_{1}_Dichten.txt".format( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 478 |  |  | 				path, date.replace("-", ""))) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 479 | 1 |  | 	orbits = sorted([int(os.path.basename(df).split('_')[2]) for df in dfiles]) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 480 | 1 |  | 	if mlt: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 481 | 1 |  | 		orbits.append(orbits[-1] + 1) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 482 | 1 |  | 	return orbits | 
            
                                                                                                            
                            
            
                                    
            
            
                | 483 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 484 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 485 | 1 |  | def combine_orbit_data(orbits, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 486 |  |  | 		ref_date="2000-01-01", | 
            
                                                                                                            
                            
            
                                    
            
            
                | 487 |  |  | 		L2_version="v6.2", | 
            
                                                                                                            
                            
            
                                    
            
            
                | 488 |  |  | 		dens_path=None, spec_base=None, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 489 |  |  | 		save_nc=False): | 
            
                                                                                                            
                            
            
                                    
            
            
                | 490 |  |  | 	"""Combine post-processed SCIAMACHY retrieved orbit data | 
            
                                                                                                            
                            
            
                                    
            
            
                | 491 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 492 |  |  | 	Parameters | 
            
                                                                                                            
                            
            
                                    
            
            
                | 493 |  |  | 	---------- | 
            
                                                                                                            
                            
            
                                    
            
            
                | 494 |  |  | 	orbits: list | 
            
                                                                                                            
                            
            
                                    
            
            
                | 495 |  |  | 		List of SCIAMACHY/Envisat orbit numbers to process. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 496 |  |  | 	ref_date: str, optional | 
            
                                                                                                            
                            
            
                                    
            
            
                | 497 |  |  | 		Base date to calculate the relative days from, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 498 |  |  | 		of the format "%Y-%m-%d". Default: 2000-01-01 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 499 |  |  | 	L2_version: str, optional | 
            
                                                                                                            
                            
            
                                    
            
            
                | 500 |  |  | 		SCIAMACHY level 2 data version to process | 
            
                                                                                                            
                            
            
                                    
            
            
                | 501 |  |  | 	dens_path: str, optional | 
            
                                                                                                            
                            
            
                                    
            
            
                | 502 |  |  | 		The path to the level 2 data. If `None` tries to infer | 
            
                                                                                                            
                            
            
                                    
            
            
                | 503 |  |  | 		the data directory from the L2 version looking for anything | 
            
                                                                                                            
                            
            
                                    
            
            
                | 504 |  |  | 		in the current directory that ends in <L2_version>: `./*<L2_version>`. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 505 |  |  | 		Default: None | 
            
                                                                                                            
                            
            
                                    
            
            
                | 506 |  |  | 	spec_base: str, optional | 
            
                                                                                                            
                            
            
                                    
            
            
                | 507 |  |  | 		The root path to the level 1c spectra. Uses the current | 
            
                                                                                                            
                            
            
                                    
            
            
                | 508 |  |  | 		dir if not set or set to `None` (default). | 
            
                                                                                                            
                            
            
                                    
            
            
                | 509 |  |  | 	save_nc: bool, optional | 
            
                                                                                                            
                            
            
                                    
            
            
                | 510 |  |  | 		Save the intermediate orbit data sets to netcdf files | 
            
                                                                                                            
                            
            
                                    
            
            
                | 511 |  |  | 		for debugging. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 512 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 513 |  |  | 	Returns | 
            
                                                                                                            
                            
            
                                    
            
            
                | 514 |  |  | 	------- | 
            
                                                                                                            
                            
            
                                    
            
            
                | 515 |  |  | 	(sdday, sdday_ds): tuple | 
            
                                                                                                            
                            
            
                                    
            
            
                | 516 |  |  | 		`sdday` contains the combined data as a `scia_density_day` instance, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 517 |  |  | 		`sdday_ds` contains the same data as a `xarray.Dataset`. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 518 |  |  | 	""" | 
            
                                                                                                            
                            
            
                                    
            
            
                | 519 | 1 |  | 	if dens_path is None: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 520 |  |  | 		# try some heuristics | 
            
                                                                                                            
                            
            
                                    
            
            
                | 521 |  |  | 		density_base = os.curdir | 
            
                                                                                                            
                            
            
                                    
            
            
                | 522 |  |  | 		dens_path = "{0}/*{1}".format(density_base, L2_version) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 523 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 524 | 1 |  | 	sddayl = [] | 
            
                                                                                                            
                            
            
                                    
            
            
                | 525 | 1 |  | 	for orbit in sorted(orbits): | 
            
                                                                                                            
                            
            
                                    
            
            
                | 526 | 1 |  | 		dateo, timeo, lsto, lono, sdens = process_orbit(orbit, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 527 |  |  | 				ref_date=ref_date, dens_path=dens_path, spec_base=spec_base) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 528 | 1 |  | 		logging.info( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 529 |  |  | 			"orbit: %s, eq. date: %s, eq. hour: %s, eq. app. lst: %s, eq. lon: %s", | 
            
                                                                                                            
                            
            
                                    
            
            
                | 530 |  |  | 			orbit, dateo, timeo, lsto, lono | 
            
                                                                                                            
                            
            
                                    
            
            
                | 531 |  |  | 		) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 532 | 1 |  | 		if sdens is not None: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 533 | 1 |  | 			sddayl.append(sdens) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 534 | 1 |  | 			if save_nc: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 535 |  |  | 				sdens.to_netcdf(sdens.filename[:-3] + "nc") | 
            
                                                                                                            
                            
            
                                    
            
            
                | 536 | 1 |  | 	if not sddayl: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 537 |  |  | 		return None | 
            
                                                                                                            
                            
            
                                    
            
            
                | 538 | 1 |  | 	return xr.concat(sddayl, dim="time") | 
            
                                                                                                            
                            
            
                                    
            
            
                | 539 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 540 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 541 | 1 |  | VAR_ATTRS = { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 542 |  |  | 	"2.1": { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 543 |  |  | 		"MSIS_Dens": dict( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 544 |  |  | 			units='cm^{-3}', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 545 |  |  | 			long_name='total number density (NRLMSIS-00)', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 546 |  |  | 		), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 547 |  |  | 		"MSIS_Temp": dict( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 548 |  |  | 			units='K', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 549 |  |  | 			long_name='temperature', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 550 |  |  | 			model="NRLMSIS-00", | 
            
                                                                                                            
                            
            
                                    
            
            
                | 551 |  |  | 		), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 552 |  |  | 	}, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 553 |  |  | 	"2.2": { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 554 |  |  | 	}, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 555 |  |  | 	"2.3": { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 556 |  |  | 		"aacgm_gm_lats": dict( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 557 |  |  | 			long_name='geomagnetic_latitude', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 558 |  |  | 			model='AACGM2005 at 80 km', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 559 |  |  | 			units='degrees_north', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 560 |  |  | 		), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 561 |  |  | 		"aacgm_gm_lons": dict( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 562 |  |  | 			long_name='geomagnetic_longitude', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 563 |  |  | 			model='AACGM2005 at 80 km', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 564 |  |  | 			units='degrees_east', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 565 |  |  | 		), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 566 |  |  | 		"orbit": dict( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 567 |  |  | 			axis='T', calendar='standard', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 568 |  |  | 			long_name='SCIAMACHY/Envisat orbit number', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 569 |  |  | 			standard_name="orbit", | 
            
                                                                                                            
                            
            
                                    
            
            
                | 570 |  |  | 			units='1', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 571 |  |  | 		), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 572 |  |  | 	}, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 573 |  |  | } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 574 | 1 |  | VAR_RENAME = { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 575 |  |  | 	"2.1": { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 576 |  |  | 		# Rename to v2.1 variable names | 
            
                                                                                                            
                            
            
                                    
            
            
                | 577 |  |  | 		"MSIS_Dens": "TOT_DENS", | 
            
                                                                                                            
                            
            
                                    
            
            
                | 578 |  |  | 		"MSIS_Temp": "temperature", | 
            
                                                                                                            
                            
            
                                    
            
            
                | 579 |  |  | 	}, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 580 |  |  | 	"2.2": { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 581 |  |  | 	}, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 582 |  |  | 	"2.3": { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 583 |  |  | 	}, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 584 |  |  | } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 585 | 1 |  | FLOAT_VARS = [ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 586 |  |  | 	"altitude", "latitude", "longitude", | 
            
                                                                                                            
                            
            
                                    
            
            
                | 587 |  |  | 	"app_LST", "mean_LST", "mean_SZA", | 
            
                                                                                                            
                            
            
                                    
            
            
                | 588 |  |  | 	"aacgm_gm_lats", "aacgm_gm_lons", | 
            
                                                                                                            
                            
            
                                    
            
            
                | 589 |  |  | 	"gm_lats", "gm_lons", | 
            
                                                                                                            
                            
            
                                    
            
            
                | 590 |  |  | ] | 
            
                                                                                                            
                            
            
                                    
            
            
                | 591 |  |  |  | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 592 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 593 | 1 |  | def sddata_set_attrs( | 
            
                                                                        
                            
            
                                    
            
            
                | 594 |  |  | 	sdday_ds, | 
            
                                                                        
                            
            
                                    
            
            
                | 595 |  |  | 	file_version="2.2", | 
            
                                                                        
                            
            
                                    
            
            
                | 596 |  |  | 	ref_date="2000-01-01", | 
            
                                                                        
                            
            
                                    
            
            
                | 597 |  |  | 	rename=True, | 
            
                                                                        
                            
            
                                    
            
            
                | 598 |  |  | 	species="NO", | 
            
                                                                        
                            
            
                                    
            
            
                | 599 |  |  | ): | 
            
                                                                        
                            
            
                                    
            
            
                | 600 |  |  | 	"""Customize xarray Dataset variables and attributes | 
            
                                                                        
                            
            
                                    
            
            
                | 601 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 602 |  |  | 	Changes the variable names to match those exported from the | 
            
                                                                        
                            
            
                                    
            
            
                | 603 |  |  | 	`scia_density_day` class. | 
            
                                                                        
                            
            
                                    
            
            
                | 604 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 605 |  |  | 	Parameters | 
            
                                                                        
                            
            
                                    
            
            
                | 606 |  |  | 	---------- | 
            
                                                                        
                            
            
                                    
            
            
                | 607 |  |  | 	sdday_ds: `xarray.Dataset` instance | 
            
                                                                        
                            
            
                                    
            
            
                | 608 |  |  | 		The combined dataset. | 
            
                                                                        
                            
            
                                    
            
            
                | 609 |  |  | 	file_version: string "major.minor", optional | 
            
                                                                        
                            
            
                                    
            
            
                | 610 |  |  | 		The netcdf file datase version, determines some variable | 
            
                                                                        
                            
            
                                    
            
            
                | 611 |  |  | 		names and attributes. | 
            
                                                                        
                            
            
                                    
            
            
                | 612 |  |  | 	ref_date: str, optional | 
            
                                                                        
                            
            
                                    
            
            
                | 613 |  |  | 		Base date to calculate the relative days from, | 
            
                                                                        
                            
            
                                    
            
            
                | 614 |  |  | 		of the format "%Y-%m-%d". Default: 2000-01-01 | 
            
                                                                        
                            
            
                                    
            
            
                | 615 |  |  | 	rename: bool, optional | 
            
                                                                        
                            
            
                                    
            
            
                | 616 |  |  | 		Rename the dataset variables to match the | 
            
                                                                        
                            
            
                                    
            
            
                | 617 |  |  | 		`scia_density_day` exported ones. | 
            
                                                                        
                            
            
                                    
            
            
                | 618 |  |  | 		Default: True | 
            
                                                                        
                            
            
                                    
            
            
                | 619 |  |  | 	species: str, optional | 
            
                                                                        
                            
            
                                    
            
            
                | 620 |  |  | 		The name of the level 2 species, used to prefix the | 
            
                                                                        
                            
            
                                    
            
            
                | 621 |  |  | 		dataset variables to be named <species>_<variable>. | 
            
                                                                        
                            
            
                                    
            
            
                | 622 |  |  | 		Default: "NO". | 
            
                                                                        
                            
            
                                    
            
            
                | 623 |  |  | 	""" | 
            
                                                                        
                            
            
                                    
            
            
                | 624 | 1 |  | 	if rename: | 
            
                                                                        
                            
            
                                    
            
            
                | 625 | 1 |  | 		sdday_ds = sdday_ds.rename({ | 
            
                                                                        
                            
            
                                    
            
            
                | 626 |  |  | 			# 2d vars | 
            
                                                                        
                            
            
                                    
            
            
                | 627 |  |  | 			"akdiag": "{0}_AKDIAG".format(species), | 
            
                                                                        
                            
            
                                    
            
            
                | 628 |  |  | 			"apriori": "{0}_APRIORI".format(species), | 
            
                                                                        
                            
            
                                    
            
            
                | 629 |  |  | 			"densities": "{0}_DENS".format(species), | 
            
                                                                        
                            
            
                                    
            
            
                | 630 |  |  | 			"dens_err_meas": "{0}_ERR".format(species), | 
            
                                                                        
                            
            
                                    
            
            
                | 631 |  |  | 			"dens_err_tot": "{0}_ETOT".format(species), | 
            
                                                                        
                            
            
                                    
            
            
                | 632 |  |  | 			"dens_tot": "MSIS_Dens", | 
            
                                                                        
                            
            
                                    
            
            
                | 633 |  |  | 			"noem_no": "{0}_NOEM".format(species), | 
            
                                                                        
                            
            
                                    
            
            
                | 634 |  |  | 			"temperature": "MSIS_Temp", | 
            
                                                                        
                            
            
                                    
            
            
                | 635 |  |  | 			"vmr": "{0}_VMR".format(species), | 
            
                                                                        
                            
            
                                    
            
            
                | 636 |  |  | 			# 1d vars and dimensions | 
            
                                                                        
                            
            
                                    
            
            
                | 637 |  |  | 			"alts": "altitude", | 
            
                                                                        
                            
            
                                    
            
            
                | 638 |  |  | 			"lats": "latitude", | 
            
                                                                        
                            
            
                                    
            
            
                | 639 |  |  | 			"lons": "longitude", | 
            
                                                                        
                            
            
                                    
            
            
                | 640 |  |  | 			"lst": "app_LST", | 
            
                                                                        
                            
            
                                    
            
            
                | 641 |  |  | 			"mst": "mean_LST", | 
            
                                                                        
                            
            
                                    
            
            
                | 642 |  |  | 			"sza": "mean_SZA", | 
            
                                                                        
                            
            
                                    
            
            
                | 643 |  |  | 			"utc_hour": "UTC", | 
            
                                                                        
                            
            
                                    
            
            
                | 644 |  |  | 		}) | 
            
                                                                        
                            
            
                                    
            
            
                | 645 |  |  | 	# relative standard deviation | 
            
                                                                        
                            
            
                                    
            
            
                | 646 | 1 |  | 	sdday_ds["{0}_RSTD".format(species)] = 100.0 * np.abs( | 
            
                                                                        
                            
            
                                    
            
            
                | 647 |  |  | 			sdday_ds["{0}_ERR".format(species)] / sdday_ds["{0}_DENS".format(species)]) | 
            
                                                                        
                            
            
                                    
            
            
                | 648 |  |  | 	# fix coordinate attributes | 
            
                                                                        
                            
            
                                    
            
            
                | 649 | 1 |  | 	sdday_ds["time"].attrs = dict(axis='T', standard_name='time', | 
            
                                                                        
                            
            
                                    
            
            
                | 650 |  |  | 		calendar='standard', long_name='equatorial crossing time', | 
            
                                                                        
                            
            
                                    
            
            
                | 651 |  |  | 		units="days since {0}".format( | 
            
                                                                        
                            
            
                                    
            
            
                | 652 |  |  | 			pd.to_datetime(ref_date, utc=True).isoformat(sep=" "))) | 
            
                                                                        
                            
            
                                    
            
            
                | 653 | 1 |  | 	sdday_ds["altitude"].attrs = dict(axis='Z', positive='up', | 
            
                                                                        
                            
            
                                    
            
            
                | 654 |  |  | 		long_name='altitude', standard_name='altitude', units='km') | 
            
                                                                        
                            
            
                                    
            
            
                | 655 | 1 |  | 	sdday_ds["latitude"].attrs = dict(axis='Y', long_name='latitude', | 
            
                                                                        
                            
            
                                    
            
            
                | 656 |  |  | 		standard_name='latitude', units='degrees_north') | 
            
                                                                        
                            
            
                                    
            
            
                | 657 |  |  | 	# Default variable attributes | 
            
                                                                        
                            
            
                                    
            
            
                | 658 | 1 |  | 	sdday_ds["{0}_DENS".format(species)].attrs = { | 
            
                                                                        
                            
            
                                    
            
            
                | 659 |  |  | 			"units": "cm^{-3}", | 
            
                                                                        
                            
            
                                    
            
            
                | 660 |  |  | 			"long_name": "{0} number density".format(species)} | 
            
                                                                        
                            
            
                                    
            
            
                | 661 | 1 |  | 	sdday_ds["{0}_ERR".format(species)].attrs = { | 
            
                                                                        
                            
            
                                    
            
            
                | 662 |  |  | 			"units": "cm^{-3}", | 
            
                                                                        
                            
            
                                    
            
            
                | 663 |  |  | 			"long_name": "{0} density measurement error".format(species)} | 
            
                                                                        
                            
            
                                    
            
            
                | 664 | 1 |  | 	sdday_ds["{0}_ETOT".format(species)].attrs = { | 
            
                                                                        
                            
            
                                    
            
            
                | 665 |  |  | 			"units": "cm^{-3}", | 
            
                                                                        
                            
            
                                    
            
            
                | 666 |  |  | 			"long_name": "{0} density total error".format(species)} | 
            
                                                                        
                            
            
                                    
            
            
                | 667 | 1 |  | 	sdday_ds["{0}_RSTD".format(species)].attrs = dict( | 
            
                                                                        
                            
            
                                    
            
            
                | 668 |  |  | 			units='%', | 
            
                                                                        
                            
            
                                    
            
            
                | 669 |  |  | 			long_name='{0} relative standard deviation'.format(species)) | 
            
                                                                        
                            
            
                                    
            
            
                | 670 | 1 |  | 	sdday_ds["{0}_AKDIAG".format(species)].attrs = dict( | 
            
                                                                        
                            
            
                                    
            
            
                | 671 |  |  | 			units='1', | 
            
                                                                        
                            
            
                                    
            
            
                | 672 |  |  | 			long_name='{0} averaging kernel diagonal element'.format(species)) | 
            
                                                                        
                            
            
                                    
            
            
                | 673 | 1 |  | 	sdday_ds["{0}_APRIORI".format(species)].attrs = dict( | 
            
                                                                        
                            
            
                                    
            
            
                | 674 |  |  | 			units='cm^{-3}', long_name='{0} apriori density'.format(species)) | 
            
                                                                        
                            
            
                                    
            
            
                | 675 | 1 |  | 	sdday_ds["{0}_NOEM".format(species)].attrs = dict( | 
            
                                                                        
                            
            
                                    
            
            
                | 676 |  |  | 			units='cm^{-3}', long_name='NOEM {0} number density'.format(species)) | 
            
                                                                        
                            
            
                                    
            
            
                | 677 | 1 |  | 	sdday_ds["{0}_VMR".format(species)].attrs = dict( | 
            
                                                                        
                            
            
                                    
            
            
                | 678 |  |  | 			units='ppb', long_name='{0} volume mixing ratio'.format(species)) | 
            
                                                                        
                            
            
                                    
            
            
                | 679 | 1 |  | 	sdday_ds["MSIS_Dens"].attrs = dict(units='cm^{-3}', | 
            
                                                                        
                            
            
                                    
            
            
                | 680 |  |  | 			long_name='MSIS total number density', | 
            
                                                                        
                            
            
                                    
            
            
                | 681 |  |  | 			model="NRLMSIS-00") | 
            
                                                                        
                            
            
                                    
            
            
                | 682 | 1 |  | 	sdday_ds["MSIS_Temp"].attrs = dict(units='K', | 
            
                                                                        
                            
            
                                    
            
            
                | 683 |  |  | 			long_name='MSIS temperature', | 
            
                                                                        
                            
            
                                    
            
            
                | 684 |  |  | 			model="NRLMSIS-00") | 
            
                                                                        
                            
            
                                    
            
            
                | 685 | 1 |  | 	sdday_ds["longitude"].attrs = dict(long_name='longitude', | 
            
                                                                        
                            
            
                                    
            
            
                | 686 |  |  | 			standard_name='longitude', units='degrees_east') | 
            
                                                                        
                            
            
                                    
            
            
                | 687 | 1 |  | 	sdday_ds["app_LST"].attrs = dict(units='hours', | 
            
                                                                        
                            
            
                                    
            
            
                | 688 |  |  | 			long_name='apparent local solar time') | 
            
                                                                        
                            
            
                                    
            
            
                | 689 | 1 |  | 	sdday_ds["mean_LST"].attrs = dict(units='hours', | 
            
                                                                        
                            
            
                                    
            
            
                | 690 |  |  | 			long_name='mean local solar time') | 
            
                                                                        
                            
            
                                    
            
            
                | 691 | 1 |  | 	sdday_ds["mean_SZA"].attrs = dict(units='degrees', | 
            
                                                                        
                            
            
                                    
            
            
                | 692 |  |  | 			long_name='solar zenith angle at mean altitude') | 
            
                                                                        
                            
            
                                    
            
            
                | 693 | 1 |  | 	sdday_ds["UTC"].attrs = dict(units='hours', | 
            
                                                                        
                            
            
                                    
            
            
                | 694 |  |  | 			long_name='measurement utc time') | 
            
                                                                        
                            
            
                                    
            
            
                | 695 | 1 |  | 	sdday_ds["utc_days"].attrs = dict( | 
            
                                                                        
                            
            
                                    
            
            
                | 696 |  |  | 			units='days since {0}'.format( | 
            
                                                                        
                            
            
                                    
            
            
                | 697 |  |  | 				pd.to_datetime(ref_date, utc=True).isoformat(sep=" ")), | 
            
                                                                        
                            
            
                                    
            
            
                | 698 |  |  | 			long_name='measurement utc day') | 
            
                                                                        
                            
            
                                    
            
            
                | 699 | 1 |  | 	sdday_ds["gm_lats"].attrs = dict(long_name='geomagnetic_latitude', | 
            
                                                                        
                            
            
                                    
            
            
                | 700 |  |  | 			model='IGRF', units='degrees_north') | 
            
                                                                        
                            
            
                                    
            
            
                | 701 | 1 |  | 	sdday_ds["gm_lons"].attrs = dict(long_name='geomagnetic_longitude', | 
            
                                                                        
                            
            
                                    
            
            
                | 702 |  |  | 			model='IGRF', units='degrees_east') | 
            
                                                                        
                            
            
                                    
            
            
                | 703 | 1 |  | 	sdday_ds["aacgm_gm_lats"].attrs = dict(long_name='geomagnetic_latitude', | 
            
                                                                        
                            
            
                                    
            
            
                | 704 |  |  | 			# model='AACGM2005 80 km',  # v2.3 | 
            
                                                                        
                            
            
                                    
            
            
                | 705 |  |  | 			model='AACGM',  # v2.1, v2.2 | 
            
                                                                        
                            
            
                                    
            
            
                | 706 |  |  | 			units='degrees_north') | 
            
                                                                        
                            
            
                                    
            
            
                | 707 | 1 |  | 	sdday_ds["aacgm_gm_lons"].attrs = dict(long_name='geomagnetic_longitude', | 
            
                                                                        
                            
            
                                    
            
            
                | 708 |  |  | 			# model='AACGM2005 80 km',  # v2.3 | 
            
                                                                        
                            
            
                                    
            
            
                | 709 |  |  | 			model='AACGM',  # v2.1, v2.2 | 
            
                                                                        
                            
            
                                    
            
            
                | 710 |  |  | 			units='degrees_east') | 
            
                                                                        
                            
            
                                    
            
            
                | 711 | 1 |  | 	sdday_ds["orbit"].attrs = dict( | 
            
                                                                        
                            
            
                                    
            
            
                | 712 |  |  | 			axis='T', calendar='standard', | 
            
                                                                        
                            
            
                                    
            
            
                | 713 |  |  | 			# long_name='SCIAMACHY/Envisat orbit number',  # v2.3 | 
            
                                                                        
                            
            
                                    
            
            
                | 714 |  |  | 			long_name='orbit',  # v2.1, v2.2 | 
            
                                                                        
                            
            
                                    
            
            
                | 715 |  |  | 			standard_name="orbit", | 
            
                                                                        
                            
            
                                    
            
            
                | 716 |  |  | 			# units='1',  # v2.3 | 
            
                                                                        
                            
            
                                    
            
            
                | 717 |  |  | 			units='orbit number',  # v2.1, v2.2 | 
            
                                                                        
                            
            
                                    
            
            
                | 718 |  |  | 	) | 
            
                                                                        
                            
            
                                    
            
            
                | 719 |  |  | 	# Overwrite version-specific variable attributes | 
            
                                                                        
                            
            
                                    
            
            
                | 720 | 1 |  | 	for _v, _a in VAR_ATTRS[file_version].items(): | 
            
                                                                        
                            
            
                                    
            
            
                | 721 | 1 |  | 		sdday_ds[_v].attrs = _a | 
            
                                                                        
                            
            
                                    
            
            
                | 722 | 1 |  | 	if rename: | 
            
                                                                        
                            
            
                                    
            
            
                | 723 |  |  | 		# version specific renaming | 
            
                                                                        
                            
            
                                    
            
            
                | 724 | 1 |  | 		sdday_ds = sdday_ds.rename(VAR_RENAME[file_version]) | 
            
                                                                        
                            
            
                                    
            
            
                | 725 | 1 |  | 	if int(file_version.split(".")[0]) < 3: | 
            
                                                                        
                            
            
                                    
            
            
                | 726 |  |  | 		# invert latitudes for backwards-compatitbility | 
            
                                                                        
                            
            
                                    
            
            
                | 727 | 1 |  | 		sdday_ds = sdday_ds.sortby("latitude", ascending=False) | 
            
                                                                        
                            
            
                                    
            
            
                | 728 |  |  | 	else: | 
            
                                                                        
                            
            
                                    
            
            
                | 729 |  |  | 		sdday_ds = sdday_ds.sortby("latitude", ascending=True) | 
            
                                                                        
                            
            
                                    
            
            
                | 730 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 731 |  |  | 	# for var in FLOAT_VARS: | 
            
                                                                        
                            
            
                                    
            
            
                | 732 |  |  | 	# 	_attrs = sdday_ds[var].attrs | 
            
                                                                        
                            
            
                                    
            
            
                | 733 |  |  | 	# 	sdday_ds[var] = sdday_ds[var].astype('float32') | 
            
                                                                        
                            
            
                                    
            
            
                | 734 |  |  | 	# 	sdday_ds[var].attrs = _attrs | 
            
                                                                        
                            
            
                                    
            
            
                | 735 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 736 | 1 |  | 	dateo = pd.to_datetime( | 
            
                                                                        
                            
            
                                    
            
            
                | 737 |  |  | 			xr.conventions.decode_cf(sdday_ds[["time"]]).time.data[0], | 
            
                                                                        
                            
            
                                    
            
            
                | 738 |  |  | 			utc=True, | 
            
                                                                        
                            
            
                                    
            
            
                | 739 |  |  | 	).strftime("%Y-%m-%d") | 
            
                                                                        
                            
            
                                    
            
            
                | 740 | 1 |  | 	logging.debug("date %s dataset: %s", dateo, sdday_ds) | 
            
                                                                        
                            
            
                                    
            
            
                | 741 | 1 |  | 	return sdday_ds | 
            
                                                                                                            
                            
            
                                    
            
            
                | 742 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 743 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 744 | 1 |  | def main(): | 
            
                                                                                                            
                            
            
                                    
            
            
                | 745 |  |  | 	"""SCIAMACHY level 2 post processing | 
            
                                                                                                            
                            
            
                                    
            
            
                | 746 |  |  | 	""" | 
            
                                                                                                            
                            
            
                                    
            
            
                | 747 | 1 |  | 	logging.basicConfig(level=logging.WARNING, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 748 |  |  | 			format="[%(levelname)-8s] (%(asctime)s) " | 
            
                                                                                                            
                            
            
                                    
            
            
                | 749 |  |  | 			"%(filename)s:%(lineno)d %(message)s", | 
            
                                                                                                            
                            
            
                                    
            
            
                | 750 |  |  | 			datefmt="%Y-%m-%d %H:%M:%S %z") | 
            
                                                                                                            
                            
            
                                    
            
            
                | 751 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 752 | 1 |  | 	parser = ap.ArgumentParser() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 753 | 1 |  | 	parser.add_argument("file", default="SCIA_NO.nc", | 
            
                                                                                                            
                            
            
                                    
            
            
                | 754 |  |  | 			help="the filename of the output netcdf file") | 
            
                                                                                                            
                            
            
                                    
            
            
                | 755 | 1 |  | 	parser.add_argument("-M", "--month", metavar="YEAR-MM", | 
            
                                                                                                            
                            
            
                                    
            
            
                | 756 |  |  | 			help="infer start and end dates for month") | 
            
                                                                                                            
                            
            
                                    
            
            
                | 757 | 1 |  | 	parser.add_argument("-D", "--date_range", metavar="START_DATE:END_DATE", | 
            
                                                                                                            
                            
            
                                    
            
            
                | 758 |  |  | 			help="colon-separated start and end dates") | 
            
                                                                                                            
                            
            
                                    
            
            
                | 759 | 1 |  | 	parser.add_argument("-d", "--dates", help="comma-separated list of dates") | 
            
                                                                                                            
                            
            
                                    
            
            
                | 760 | 1 |  | 	parser.add_argument("-B", "--base_date", | 
            
                                                                                                            
                            
            
                                    
            
            
                | 761 |  |  | 			metavar="YEAR-MM-DD", default="2000-01-01", | 
            
                                                                                                            
                            
            
                                    
            
            
                | 762 |  |  | 			help="Reference date to base the time values (days) on " | 
            
                                                                                                            
                            
            
                                    
            
            
                | 763 |  |  | 			"(default: %(default)s).") | 
            
                                                                                                            
                            
            
                                    
            
            
                | 764 | 1 |  | 	parser.add_argument("-f", "--orbit_file", | 
            
                                                                                                            
                            
            
                                    
            
            
                | 765 |  |  | 			help="the file containing the input orbits") | 
            
                                                                                                            
                            
            
                                    
            
            
                | 766 | 1 |  | 	parser.add_argument("-r", "--retrieval_version", default="v6.2", | 
            
                                                                                                            
                            
            
                                    
            
            
                | 767 |  |  | 			help="SCIAMACHY level 2 data version to process") | 
            
                                                                                                            
                            
            
                                    
            
            
                | 768 | 1 |  | 	parser.add_argument("-R", "--file_version", default="2.2", | 
            
                                                                                                            
                            
            
                                    
            
            
                | 769 |  |  | 			help="Postprocessing format version of the output file") | 
            
                                                                                                            
                            
            
                                    
            
            
                | 770 | 1 |  | 	parser.add_argument("-A", "--author", default="unknown", | 
            
                                                                                                            
                            
            
                                    
            
            
                | 771 |  |  | 			help="Author of the post-processed data set " | 
            
                                                                                                            
                            
            
                                    
            
            
                | 772 |  |  | 			"(default: %(default)s)") | 
            
                                                                                                            
                            
            
                                    
            
            
                | 773 | 1 |  | 	parser.add_argument("-p", "--path", default=None, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 774 |  |  | 			help="path containing the L2 data") | 
            
                                                                                                            
                            
            
                                    
            
            
                | 775 | 1 |  | 	parser.add_argument("-s", "--spectra", default=None, metavar="PATH", | 
            
                                                                                                            
                            
            
                                    
            
            
                | 776 |  |  | 			help="path containing the L1c spectra") | 
            
                                                                                                            
                            
            
                                    
            
            
                | 777 | 1 |  | 	parser.add_argument("-m", "--mlt", action="store_true", default=False, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 778 |  |  | 			help="indicate nominal (False, default) or MLT data (True)") | 
            
                                                                                                            
                            
            
                                    
            
            
                | 779 | 1 |  | 	parser.add_argument("-X", "--xarray", action="store_true", default=False, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 780 |  |  | 			help="DEPRECATED, kept for compatibility reasons, does nothing.") | 
            
                                                                                                            
                            
            
                                    
            
            
                | 781 | 1 |  | 	loglevels = parser.add_mutually_exclusive_group() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 782 | 1 |  | 	loglevels.add_argument("-l", "--loglevel", default="WARNING", | 
            
                                                                                                            
                            
            
                                    
            
            
                | 783 |  |  | 			choices=['DEBUG', 'INFO', 'WARNING', 'ERROR', 'CRITICAL'], | 
            
                                                                                                            
                            
            
                                    
            
            
                | 784 |  |  | 			help="change the loglevel (default: 'WARNING')") | 
            
                                                                                                            
                            
            
                                    
            
            
                | 785 | 1 |  | 	loglevels.add_argument("-q", "--quiet", action="store_true", default=False, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 786 |  |  | 			help="less output, same as --loglevel=ERROR (default: False)") | 
            
                                                                                                            
                            
            
                                    
            
            
                | 787 | 1 |  | 	loglevels.add_argument("-v", "--verbose", action="store_true", default=False, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 788 |  |  | 			help="verbose output, same as --loglevel=INFO (default: False)") | 
            
                                                                                                            
                            
            
                                    
            
            
                | 789 | 1 |  | 	args = parser.parse_args() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 790 | 1 |  | 	if args.quiet: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 791 |  |  | 		logging.getLogger().setLevel(logging.ERROR) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 792 | 1 |  | 	elif args.verbose: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 793 |  |  | 		logging.getLogger().setLevel(logging.INFO) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 794 |  |  | 	else: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 795 | 1 |  | 		logging.getLogger().setLevel(args.loglevel) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 796 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 797 | 1 |  | 	logging.info("processing L2 version: %s", args.retrieval_version) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 798 | 1 |  | 	logging.info("writing data file version: %s", args.file_version) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 799 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 800 | 1 |  | 	pddrange = [] | 
            
                                                                                                            
                            
            
                                    
            
            
                | 801 | 1 |  | 	if args.month is not None: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 802 | 1 |  | 		d0 = pd.to_datetime(args.month + "-01", utc=True) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 803 | 1 |  | 		pddrange.extend(pd.date_range(d0, d0 + pd.tseries.offsets.MonthEnd())) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 804 | 1 |  | 	if args.date_range is not None: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 805 |  |  | 		pddrange.extend(pd.date_range(*args.date_range.split(':'))) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 806 | 1 |  | 	if args.dates is not None: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 807 |  |  | 		pddrange.extend(pd.to_datetime(args.dates.split(','), utc=True)) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 808 | 1 |  | 	logging.debug("pddrange: %s", pddrange) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 809 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 810 | 1 |  | 	olist = [] | 
            
                                                                                                            
                            
            
                                    
            
            
                | 811 | 1 |  | 	for date in pddrange: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 812 | 1 |  | 		try: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 813 | 1 |  | 			olist += get_orbits_from_date(date.strftime("%Y-%m-%d"), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 814 |  |  | 				mlt=args.mlt, path=args.path, L2_version=args.retrieval_version) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 815 | 1 |  | 		except:  # handle NaT | 
            
                                                                                                            
                            
            
                                    
            
            
                | 816 | 1 |  | 			pass | 
            
                                                                                                            
                            
            
                                    
            
            
                | 817 | 1 |  | 	if args.orbit_file is not None: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 818 |  |  | 		olist += np.genfromtxt(args.orbit_file, dtype=np.int32).tolist() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 819 | 1 |  | 	logging.debug("olist: %s", olist) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 820 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 821 | 1 |  | 	if not olist: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 822 |  |  | 		logging.warn("No orbits to process.") | 
            
                                                                                                            
                            
            
                                    
            
            
                | 823 |  |  | 		return | 
            
                                                                                                            
                            
            
                                    
            
            
                | 824 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 825 | 1 |  | 	sd_xr = combine_orbit_data(olist, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 826 |  |  | 			ref_date=args.base_date, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 827 |  |  | 			L2_version=args.retrieval_version, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 828 |  |  | 			dens_path=args.path, spec_base=args.spectra, save_nc=False) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 829 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 830 | 1 |  | 	if sd_xr is None: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 831 |  |  | 		logging.warn("Processed data is empty.") | 
            
                                                                                                            
                            
            
                                    
            
            
                | 832 |  |  | 		return | 
            
                                                                                                            
                            
            
                                    
            
            
                | 833 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 834 | 1 |  | 	sd_xr = sddata_set_attrs(sd_xr, ref_date=args.base_date, file_version=args.file_version) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 835 | 1 |  | 	sd_xr = sd_xr[sorted(sd_xr.variables)] | 
            
                                                                                                            
                            
            
                                    
            
            
                | 836 | 1 |  | 	sd_xr.attrs["author"] = args.author | 
            
                                                                                                            
                            
            
                                    
            
            
                | 837 | 1 |  | 	sd_xr.attrs["creation_time"] = dt.datetime.utcnow().strftime( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 838 |  |  | 			"%a %b %d %Y %H:%M:%S +00:00 (UTC)") | 
            
                                                                                                            
                            
            
                                    
            
            
                | 839 | 1 |  | 	sd_xr.attrs["software"] = "sciapy {0}".format(__version__) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 840 | 1 |  | 	sd_xr.attrs["L2_data_version"] = args.retrieval_version | 
            
                                                                                                            
                            
            
                                    
            
            
                | 841 | 1 |  | 	sd_xr.attrs["version"] = args.file_version | 
            
                                                                                                            
                            
            
                                    
            
            
                | 842 | 1 |  | 	logging.debug(sd_xr) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 843 | 1 |  | 	sd_xr.to_netcdf(args.file, unlimited_dims=["time"]) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 844 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 845 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 846 | 1 |  | if __name__ == "__main__": | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 847 |  |  | 	main() | 
            
                                                        
            
                                    
            
            
                | 848 |  |  |  |