PostGIS  3.1.6dev-r@@SVN_REVISION@@

◆ lwt_be_ExistsCoincidentNode()

int lwt_be_ExistsCoincidentNode ( LWT_TOPOLOGY *  topo,
LWPOINT *  pt 
)

Definition at line 382 of file lwgeom_topo.c.

383 {
384  uint64_t exists = 0;
385  lwt_be_getNodeWithinDistance2D(topo, pt, 0, &exists, 0, -1);
386  if (exists == UINT64_MAX)
387  {
388  lwerror("Backend error: %s", lwt_be_lastErrorMessage(topo->be_iface));
389  return 0;
390  }
391  return exists;
392 }
lwerror
void lwerror(const char *fmt,...)
Write a notice out to the error handler.
Definition: lwutil.c:190
lwt_be_lastErrorMessage
const char * lwt_be_lastErrorMessage(const LWT_BE_IFACE *be)
Definition: lwgeom_topo.c:119
lwt_be_getNodeWithinDistance2D
LWT_ISO_NODE * lwt_be_getNodeWithinDistance2D(LWT_TOPOLOGY *topo, LWPOINT *pt, double dist, uint64_t *numelems, int fields, int64_t limit)
Definition: lwgeom_topo.c:161
LWT_TOPOLOGY_T::be_iface
const LWT_BE_IFACE * be_iface
Definition: liblwgeom_topo_internal.h:93

References LWT_TOPOLOGY_T::be_iface, lwerror(), lwt_be_getNodeWithinDistance2D(), and lwt_be_lastErrorMessage().

Referenced by _lwt_AddIsoNode(), _lwt_EdgeSplit(), and lwt_MoveIsoNode().

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