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Mastering Geospatial Analysis with Python
book

Mastering Geospatial Analysis with Python

by Silas Toms, Paul Crickard, Eric van Rees
April 2018
Beginner to intermediate content levelBeginner to intermediate
440 pages
11h 36m
English
Packt Publishing
Content preview from Mastering Geospatial Analysis with Python

Getting a state by ID

To get a specific state using the primary key ID of the state, we can add a URL variable that will check for an integer ID. It is returned with the geometry as a geojson:

@app.route('/nba/api/v0.1/state/<int:state_id>', methods=['GET'])def get_state(state_id):  state = session.query(State).get(state_id)  geojson = shapely.geometry.geo.mapping(to_shape(state.geom))  data = [{"type": "Feature",  "properties":{"name":state.name},   "geometry":{"type":"MultiPolygon",  "coordinates":[geojson["coordinates"]]},  }]  return jsonify({"type": "FeatureCollection","features":data})
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Publisher Resources

ISBN: 9781788293334Supplemental Content