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#!/usr/bin/env python |
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# -*- coding: utf-8 -*- |
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# Copyright (c) 2016-2017 Adam.Dybbroe |
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# Author(s): |
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# Adam.Dybbroe <[email protected]> |
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# This program is free software: you can redistribute it and/or modify |
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# it under the terms of the GNU General Public License as published by |
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# the Free Software Foundation, either version 3 of the License, or |
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# (at your option) any later version. |
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# This program is distributed in the hope that it will be useful, |
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# but WITHOUT ANY WARRANTY; without even the implied warranty of |
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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# GNU General Public License for more details. |
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# You should have received a copy of the GNU General Public License |
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# along with this program. If not, see <http://www.gnu.org/licenses/>. |
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"""Base class for reading raw instrument spectral responses |
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""" |
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import os |
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import logging |
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from pyspectral.config import get_config |
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LOG = logging.getLogger(__name__) |
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class InstrumentRSR(object): |
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"""Base class for the raw (agency dependent) instrument response functions""" |
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def __init__(self, bandname, platform_name, bandnames=None): |
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self.platform_name = platform_name |
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self.bandname = bandname |
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self.instrument = None |
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self.filenames = {} |
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self.requested_band_filename = None |
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self.bandnames = bandnames |
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if not self.bandnames: |
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self.bandnames = [] |
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for band in self.bandnames: |
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self.filenames[band] = None |
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self.rsr = None |
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self.output_dir = None |
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self.path = None |
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self.options = {} |
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self.requested_band_filename = None |
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def _get_options_from_config(self): |
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"""Get configuration settings from configuration file""" |
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options = get_config() |
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self.output_dir = options.get('rsr_dir', './') |
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self.path = options[self.platform_name + '-' + self.instrument]['path'] |
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self.options = options |
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def _get_bandfilenames(self): |
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"""Get the instrument rsr filenames""" |
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for band in self.bandnames: |
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LOG.debug("Band = %s", str(band)) |
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self.filenames[band] = os.path.join(self.path, |
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self.options[self.platform_name + '-' + |
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self.instrument][band]) |
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LOG.debug(self.filenames[band]) |
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if not os.path.exists(self.filenames[band]): |
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LOG.warning("Couldn't find an existing file for this band: %s", |
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str(self.filenames[band])) |
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def _load(self, scale=1.0): |
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"""Load the instrument RSR from file(s)""" |
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raise NotImplementedError( |
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"Instrument rsr loader needs to be defined in the subclass") |
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pytroll /
pyspectral
