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""" |
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Read data from DB and download. |
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""" |
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from pathlib import Path |
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from loguru import logger |
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import geopandas as gpd |
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import pandas as pd |
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from egon.data import config |
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from egon.data.db import select_geodataframe |
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DATASET_CFG = config.datasets()["mobility_hgv"] |
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WORKING_DIR = Path(".", "heavy_duty_transport").resolve() |
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TESTMODE_OFF = ( |
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config.settings()["egon-data"]["--dataset-boundary"] == "Everything" |
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) |
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19
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def get_data(): |
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""" |
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Load all necessary data. |
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""" |
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return boundary_gdf(), bast_gdf(), nuts3_gdf() |
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def boundary_gdf(): |
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""" |
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Get outer boundary from database. |
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""" |
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srid = DATASET_CFG["tables"]["srid"] |
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gdf = select_geodataframe( |
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""" |
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SELECT id, geometry FROM boundaries.vg250_lan |
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ORDER BY id |
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""", |
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geom_col="geometry", |
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index_col="id", |
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).to_crs(epsg=srid) |
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return gdf.dissolve() |
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def bast_gdf(): |
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""" |
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Reads BAST data. |
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48
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""" |
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49
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sources = DATASET_CFG["original_data"]["sources"] |
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file = sources["BAST"]["file"] |
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path = WORKING_DIR / file |
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relevant_columns = sources["BAST"]["relevant_columns"] |
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54
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55
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df = pd.read_csv( |
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path, |
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delimiter=r",", |
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decimal=r",", |
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thousands=r".", |
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encoding="ISO-8859-1", |
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usecols=relevant_columns, |
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) |
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64
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init_srid = sources["BAST"]["srid"] |
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final_srid = DATASET_CFG["tables"]["srid"] |
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67
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gdf = gpd.GeoDataFrame( |
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df[relevant_columns[0]], |
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geometry=gpd.points_from_xy( |
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df[relevant_columns[1]], |
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df[relevant_columns[2]], |
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crs=f"EPSG:{init_srid}", |
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), |
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).to_crs(epsg=final_srid) |
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logger.debug("Read in BAST data.") |
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return gdf |
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79
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80
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81
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def nuts3_gdf(): |
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"""Read in NUTS3 geo shapes.""" |
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srid = DATASET_CFG["tables"]["srid"] |
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84
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sql = """ |
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SELECT nuts as nuts3, geometry FROM boundaries.vg250_krs |
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WHERE gf = 4 |
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87
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ORDER BY nuts |
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""" |
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89
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90
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gdf = select_geodataframe( |
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sql, geom_col="geometry", index_col="nuts3" |
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).to_crs(epsg=srid) |
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93
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94
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gdf["area"] = gdf.geometry.area |
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95
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96
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logger.debug("Read in NUTS 3 districts.") |
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97
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98
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return gdf |
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openego /
eGon-data
