- SMESH_MesherHelper* helper = is2 ? &helper2 : &helper1;
- double u0 = helper->GetNodeU( edge, eNode[ 0 ]);
- double u1 = helper->GetNodeU( edge, eNode[ 1 ]);
- if ( u0 > u1 ) std::swap( eNode[ 0 ], eNode[ 1 ]);
+ TopoDS_Edge & edge = is2 ? edge2 : edge1;
+ SMESHDS_Mesh * smDS = is2 ? meshDS2 : meshDS1;
+ SMESHDS_SubMesh* edgeSM = smDS->MeshElements( edge );
+ // nodes linked with ones on vertices
+ const SMDS_MeshNode* vNode = is2 ? vNode2 : vNode1;
+ vector< const SMDS_MeshNode*>& eNode = is2 ? eNode2 : eNode1;
+ int nbGotNode = 0;
+ SMDS_ElemIteratorPtr vElem = vNode->GetInverseElementIterator(SMDSAbs_Edge);
+ while ( vElem->more() && nbGotNode != nbNodeToGet ) {
+ const SMDS_MeshElement* elem = vElem->next();
+ if ( edgeSM->Contains( elem ))
+ eNode[ nbGotNode++ ] =
+ ( elem->GetNode(0) == vNode ) ? elem->GetNode(1) : elem->GetNode(0);
+ }
+ if ( nbGotNode > 1 ) // sort found nodes by param on edge
+ {
+ SMESH_MesherHelper* helper = is2 ? &helper2 : &helper1;
+ double u0 = helper->GetNodeU( edge, eNode[ 0 ]);
+ double u1 = helper->GetNodeU( edge, eNode[ 1 ]);
+ if ( u0 > u1 ) std::swap( eNode[ 0 ], eNode[ 1 ]);
+ }
+ if ( nbGotNode == 0 )
+ RETURN_BAD_RESULT("Found no nodes on edge " << smDS->ShapeToIndex( edge ) <<
+ " linked to " << vNode );