First commit

scripts/places/places-geojson-generate.py

@@ -0,0 +1,42 @@
+import csv
+import json
+from collections import defaultdict
+
+csv_file = "places.csv"
+geojson_file = "data/places.geojson"
+
+GROUP_TOLERANCE = 0.00001  # cluster distance in degrees
+
+def round_coord(coord):
+    return round(coord / GROUP_TOLERANCE) * GROUP_TOLERANCE
+
+clusters = defaultdict(list)
+
+with open(csv_file, newline='', encoding='utf-8') as f:
+    reader = csv.DictReader(f)
+    for row in reader:
+        lat = float(row['latitude'])
+        lon = float(row['longitude'])
+        name = row['name']
+        key = (round_coord(lat), round_coord(lon))
+        clusters[key].append(name)
+
+features = []
+for (lat, lon), names in clusters.items():
+    features.append({
+        "type": "Feature",
+        "geometry": { "type": "Point", "coordinates": [lon, lat] },
+        "properties": {
+            "names": names,
+            "count": len(names),
+            "popup": ", ".join(names)
+        }
+    })
+
+geojson = { "type": "FeatureCollection", "features": features }
+
+with open(geojson_file, "w", encoding='utf-8') as f:
+    json.dump(geojson, f, indent=2)
+
+print(f"Generated {geojson_file} with {len(features)} clustered POIs.")
+