First commit

scripts/overlay/roads-geojson-generate.py

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+
+#!/usr/bin/env python3
+"""
+convert_roads.py
+BoopLabs Pupmap Europe/Nordics Roads GeoJSON
+Version: 2025-10-03
+"""
+
+import geopandas as gpd
+
+# ---------- User paths ----------
+roads_shp = "ne_10m_roads.shp"
+output_dir = "/mnt/storage/docker-data/pupmap/www/data/"
+
+# ---------- Europe + Nordics ISO3 ----------
+europe_nordics = [
+    'ALB','AND','AUT','BEL','BIH','BGR','HRV','CYP','CZE','DNK','EST','FIN','FRA','DEU',
+    'GRC','HUN','ISL','IRL','ITA','LVA','LTU','LUX','MLT','MDA','MCO','MNE','NLD','NOR',
+    'POL','PRT','ROU','RUS','SMR','SRB','SVK','SVN','ESP','SWE','CHE','UKR','GBR','VAT'
+]
+
+# ---------- Load roads shapefile ----------
+print("Processing roads...")
+roads = gpd.read_file(roads_shp)
+
+# Filter Europe/Nordics only if ADM0_A3 exists
+if 'ADM0_A3' in roads.columns:
+    roads_filtered = roads[roads['ADM0_A3'].isin(europe_nordics)].copy()
+else:
+    roads_filtered = roads.copy()  # fallback: include all
+
+# Determine road type column
+if 'TYPE' in roads_filtered.columns:
+    roads_filtered = roads_filtered.rename(columns={'TYPE': 'type'})
+elif 'fclass' in roads_filtered.columns:
+    roads_filtered = roads_filtered.rename(columns={'fclass': 'type'})
+elif 'ROADCLASS' in roads_filtered.columns:
+    roads_filtered = roads_filtered.rename(columns={'ROADCLASS': 'type'})
+else:
+    roads_filtered['type'] = 'road'  # fallback
+
+# Keep only necessary columns
+roads_filtered = roads_filtered[['type','geometry']]
+
+# Remove duplicates and empty geometries
+roads_filtered = roads_filtered.loc[:, ~roads_filtered.columns.duplicated()]
+roads_filtered = roads_filtered[roads_filtered.geometry.notnull()]
+
+# Save to GeoJSON
+roads_geojson_path = output_dir + "roads_europe.geojson"
+roads_filtered.to_file(roads_geojson_path, driver='GeoJSON')
+print(f"Saved {roads_geojson_path} ({len(roads_filtered)} features)")
+