31 lines
948 B
Python
31 lines
948 B
Python
import json
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from collections import defaultdict
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input_filename = "../data/cerc_cmm_corrected.geojson"
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with open(input_filename, "r", encoding="utf-8") as f:
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data = json.load(f)
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if data.get("type") != "FeatureCollection":
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raise ValueError("Input GeoJSON does not have type 'FeatureCollection'.")
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features_by_region = defaultdict(list)
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for feature in data.get("features", []):
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region = feature["properties"].get("region", "unknown_region")
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features_by_region[region].append(feature)
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for region_name, features in features_by_region.items():
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out_data = {
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"type": "FeatureCollection",
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"crs": data.get("crs", None),
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"features": features
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}
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output_filename = f"output_{region_name}.geojson"
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with open(output_filename, "w", encoding="utf-8") as outfile:
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json.dump(out_data, outfile, ensure_ascii=False, indent=2)
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print(f"Created {output_filename} with {len(features)} features.")
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