A geometry read out of GeoJSON, which buildGeometry handles itself: every other type has a constructor taking the shape it names, and this one takes a document.
buildGeometry
The document, as JSON or as the text of it - GeoJSONGeometryReader reads either.
GeoJSONGeometryReader
Optional
What to leave the coordinates in. GeoJSON is lon/lat by definition, so this is only for a consumer working in metres.
A geometry read out of GeoJSON, which
buildGeometryhandles itself: every other type has a constructor taking the shape it names, and this one takes a document.