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| import geopandas as gpd |
| import argparse |
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| parser = argparse.ArgumentParser() |
| parser.add_argument("sort", type=str) |
| args = parser.parse_args() |
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| gdf_stati = gpd.read_file("./data/opendata/50000006/extracted/statistische_zonen.gpkg", layer="stzh.adm_statzonen_v") |
| gdf_baumk = gpd.read_file("./data/opendata/50000006/extracted/baumkataster.gpkg", layer="gsz.baumkataster_baumstandorte") |
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| gdf_stati['area'] = gdf_stati.geometry.to_crs(epsg=2056).area / 1e6 |
| merged = gpd.sjoin(gdf_baumk, gdf_stati[['stznr', 'stzname', 'geometry']], how='inner', predicate='within') |
| merged = merged.groupby(['stznr', 'stzname']).size().reset_index(name='tree_count') |
| merged = gdf_stati.merge(merged, on=['stznr', 'stzname'], how='left').fillna({'tree_count': 0}) |
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| merged['tree density'] = merged['tree_count'] / merged['area'] |
| if args.sort.strip().lower() not in ['tiefsten', 'höchsten']: |
| raise ValueError("Argument 'sort' must be either 'tiefsten' or 'höchsten'.") |
| ascending = True if args.sort.strip().lower() == 'tiefsten' else False |
| desired_density_row = merged.sort_values('tree density', ascending=ascending).iloc[0] |
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| print(f"{desired_density_row['stzname']} mit {round(desired_density_row['tree density'])} Bäumen pro Quadratkilometer") |