lwt_be_ExistsEdgeIntersectingPoint()

int lwt_be_ExistsEdgeIntersectingPoint	(	LWT_TOPOLOGY *	topo,
		LWPOINT *	pt
	)

Definition at line 402 of file lwgeom_topo.c.

References LWT_TOPOLOGY_T::be_iface, lwerror(), lwt_be_getEdgeWithinDistance2D(), and lwt_be_lastErrorMessage().

Referenced by lwt_AddIsoNode(), and lwt_MoveIsoNode().

{
  int exists = 0;
  lwt_be_getEdgeWithinDistance2D(topo, pt, 0, &exists, 0, -1);
  if ( exists == -1 ) {
    lwerror("Backend error: %s", lwt_be_lastErrorMessage(topo->be_iface));
    return 0;
  }
  return exists;
}

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