boundaryOrNull

Calculates the boundary of the given geometry. For Point - returns an empty geometry. Points have no boundary. For Multipoint - returns an empty geometry. Points have no boundary. For Polyline - returns a multipoint containing the end points of the polyline's parts. For Polygon - returns a polyline describing its outer and inner rings.

Supports true curves.

Return

The boundary of the given geometry.

Since

200.1.0