void SetNodeOnEdge (const SMDS_MeshNode * aNode, const TopoDS_Edge& S, double u=0.);
void SetNodeOnVertex(const SMDS_MeshNode * aNode, const TopoDS_Vertex & S);
void UnSetNodeOnShape(const SMDS_MeshNode * aNode);
+ void UnSetElementOnShape(const SMDS_MeshElement * anElt);
void SetMeshElementOnShape (const SMDS_MeshElement * anElt, const TopoDS_Shape & S);
void UnSetMeshElementOnShape(const SMDS_MeshElement * anElt, const TopoDS_Shape & S);
void SetNodeInVolume(const SMDS_MeshNode * aNode, int Index);