lwt_AddPoint()

LWT_ELEMID lwt_AddPoint	(	LWT_TOPOLOGY *	topo,
		LWPOINT *	point,
		double	tol
	)

Adds a point to the topology.

The given point will snap to existing nodes or edges within given tolerance. An existing edge may be split by the point.

Parameters

topo	the topology to operate on
point	the point to add
tol	snap tolerance, the topology tolerance will be used if 0

Returns

identifier of added (or pre-existing) node or -1 on error (liblwgeom error handler will be invoked with error message)

Definition at line 5220 of file lwgeom_topo.c.

{
  return _lwt_AddPoint(topo, point, tol, 1, NULL);
}

References _lwt_AddPoint().

Here is the call graph for this function: