checkTopoGeomRemEdge

int(* LWT_BE_CALLBACKS_T::checkTopoGeomRemEdge) (const LWT_BE_TOPOLOGY *topo, LWT_ELEMID rem_edge, LWT_ELEMID face_left, LWT_ELEMID face_right)

Check TopoGeometry objects before an edge removal event.

Parameters

topo	the topology to act upon
rem_edge	identifier of the edge that's been removed
face_left	identifier of the face on the edge's left side
face_right	identifier of the face on the edge's right side

Returns

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

Definition at line 769 of file liblwgeom_topo.h.