Currently takes the first polygon is returned from the flattened support region in `Support.flattenSupportRegion ` Confirmation is needed whether this can be a `shapely.geometry.Multipolygon ` or a list of `shapely.geometry.Polygon`
Currently takes the first polygon is returned from the flattened support region in
Support.flattenSupportRegionConfirmation is needed whether this can be a
shapely.geometry.Multipolygonor a list ofshapely.geometry.Polygon