All CollectionsDrawingDrawing DataDrawing DataAbout the data behind Giraffe drawingsBy Holly1 author·5 articlesGiraffe EngineThe Giraffe engine turns the geometries you draw into buildings, floors, and metrics.GeoJSONWhy we use the GeoJSON data format in GiraffeGeometry & FeaturesHow GeoJSON powers GiraffeMetric vs ImperialHow Giraffe calculates distances and areasVideo: Urban Data Ontology