63 lines
2.0 KiB
Python
63 lines
2.0 KiB
Python
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import json
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from shapely import Polygon
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from shapely import Point
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from pathlib import Path
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# def process_geojson(a, b, c , d, e, f, g , h):
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# selection_box = Polygon([[a, b],
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# [c, d],
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# [e, f],
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# [g, h]])
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# geojson_file = Path('./data/collinear_clean 2.geojson').resolve()
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# output_file = Path('./input_files/output_buildings.geojson').resolve()
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# buildings_in_region = []
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#
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# with open(geojson_file, 'r') as file:
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# city = json.load(file)
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# buildings = city['features']
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#
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# for building in buildings:
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# coordinates = building['geometry']['coordinates'][0]
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# building_polygon = Polygon(coordinates)
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# centroid = Point(building_polygon.centroid)
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#
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# if centroid.within(selection_box):
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# buildings_in_region.append(building)
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#
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# output_region = {"type": "FeatureCollection",
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# "features": buildings_in_region}
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#
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# with open(output_file, 'w') as file:
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# file.write(json.dumps(output_region, indent=2))
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#
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# return output_file
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def process_geojson(x, y, diff):
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selection_box = Polygon([[x+diff, y+diff],
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[x-diff, y+diff],
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[x-diff, y-diff],
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[x+diff, y-diff]])
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geojson_file = Path('./data/collinear_clean 2.geojson').resolve()
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output_file = Path('./input_files/output_buildings.geojson').resolve()
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buildings_in_region = []
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with open(geojson_file, 'r') as file:
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city = json.load(file)
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buildings = city['features']
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for building in buildings:
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coordinates = building['geometry']['coordinates'][0]
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building_polygon = Polygon(coordinates)
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centroid = Point(building_polygon.centroid)
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if centroid.within(selection_box):
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buildings_in_region.append(building)
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output_region = {"type": "FeatureCollection",
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"features": buildings_in_region}
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with open(output_file, 'w') as file:
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file.write(json.dumps(output_region, indent=2))
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return output_file
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