Function geoArea

geoArea(object): number
Returns the spherical area of the specified GeoJSON object in steradians. This is the spherical equivalent of path.area.
Parameters
- object: GeoGeometryObjects | ExtendedFeature<GeoGeometryObjects, {
  [name: string]: any;
  }> | ExtendedFeatureCollection<ExtendedFeature<GeoGeometryObjects, {
  [name: string]: any;
  }>> | ExtendedGeometryCollection<GeoGeometryObjects>
Returns number