checkTopoGeomRemIsoNode

int(* LWT_BE_CALLBACKS_T::checkTopoGeomRemIsoNode) (const LWT_BE_TOPOLOGY *topo, LWT_ELEMID rem_node)

Check TopoGeometry objects before an isolated node removal event.

Parameters

topo	the topology to act upon
rem_node	identifier of the isolated node that's been removed

The operation should be forbidden if the removed node takes part in the definition of a TopoGeometry.

Returns

1 to allow, 0 to forbid the operation (reporting reason via lastErrorMessage)

Definition at line 816 of file liblwgeom_topo.h.