no PGSQL
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3 changed files with 15 additions and 86 deletions
13
.justfile
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13
.justfile
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extract input output:
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quackosm {{input}} --osm-tags-filter-file tags.json --silent --compact --output {{output}}
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download region output:
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quackosm --geom-filter-geocode {{region}} --osm-extract-source Geofabrik --osm-tags-filter-file tags.json --compact --output {{output}}
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convert input output:
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python3 slice.py --input {{input}} --output {{output}}
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plot file:
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#!/usr/bin/env bash
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stem=$(basename {{file}} .parquet)
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python3 plot.py -i {{file}} -o ${stem}.png
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@ -1,58 +0,0 @@
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import json
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import psycopg2
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from shapely.geometry import shape
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def import_geojson(filepath):
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conn = psycopg2.connect(
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dbname="gis_data",
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user="osm",
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password="osm",
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host="localhost"
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)
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cur = conn.cursor()
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try:
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with open(filepath) as f:
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data = json.load(f)
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if data["type"] != "FeatureCollection":
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raise ValueError("GeoJSON must be a FeatureCollection")
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for idx, feature in enumerate(data["features"]):
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try:
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geom_type = feature["geometry"]["type"]
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properties = feature["properties"]
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geom = shape(feature["geometry"])
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wkt = geom.wkt
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# Insert lines
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if geom_type == "LineString":
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cur.execute("""
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INSERT INTO osm_lines (geometry, tags)
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VALUES (ST_GeomFromText(%s, 4326), %s)
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""", (wkt, json.dumps(properties)))
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# Insert polygons AND multipolygons
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elif geom_type in ("Polygon", "MultiPolygon"):
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cur.execute("""
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INSERT INTO osm_polygons (geometry, tags)
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VALUES (ST_GeomFromText(%s, 4326), %s)
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""", (wkt, json.dumps(properties)))
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else:
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print(f"Skipping unsupported geometry type: {geom_type}")
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except Exception as e:
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print(f"Error processing feature {idx}: {e}")
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continue
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conn.commit()
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except json.JSONDecodeError:
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print("Invalid JSON file. Ensure filtered.geojson is correctly generated.")
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finally:
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cur.close()
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conn.close()
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if __name__ == "__main__":
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import_geojson("israel.geojson")
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28
install.txt
28
install.txt
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@ -1,30 +1,4 @@
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## packages
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sudo dnf install postgresql-server postgresql-contrib postgis osmium-tool jq python3-devel pip
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sudo dnf install osmium-tool jq python3-devel pip
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pip install quackosm[cli] psycopg2-binary pyosmium geoalchemy2 geojson shapely
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## PostgreSQL setup
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sudo postgresql-setup --initdb
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sudo -u postgres psql
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CREATE USER osm WITH PASSWORD 'osm';
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CREATE DATABASE gis_data OWNER osm;
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\q
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sudo -u postgres psql -d gis_data
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CREATE TABLE osm_lines (
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id SERIAL PRIMARY KEY,
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geometry GEOMETRY(LINESTRING, 4326),
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tags JSONB
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);
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CREATE TABLE osm_polygons (
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id SERIAL PRIMARY KEY,
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geometry GEOMETRY(POLYGON, 4326),
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tags JSONB
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);
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CREATE INDEX idx_osm_lines_geometry ON osm_lines USING GIST(geometry);
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CREATE INDEX idx_osm_polygons_geometry ON osm_polygons USING GIST(geometry);
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CREATE INDEX idx_osm_lines_tags ON osm_lines USING GIN(tags);
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CREATE INDEX idx_osm_polygons_tags ON osm_polygons USING GIN(tags);
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