+// switch ( GetTypeOfPosition() ) {
+// case SMDS_TOP_UNSPEC: return -1;
+// case SMDS_TOP_VERTEX: return 0;
+// case SMDS_TOP_EDGE: return 1;
+// case SMDS_TOP_FACE: return 2;
+// case SMDS_TOP_3DSPACE: return 3;
+// }
+ return GetTypeOfPosition();