SMDS_Mesh* mesh = myPartActors[ partIndex ]->GetObject()->GetMesh();
coords.push_back( SMESH_TNodeXYZ( mesh->FindNode( aPART.node1+1 )));
coords.push_back( SMESH_TNodeXYZ( mesh->FindNode( aPART.nodeLast+1 )));
SMDS_Mesh* mesh = myPartActors[ partIndex ]->GetObject()->GetMesh();
coords.push_back( SMESH_TNodeXYZ( mesh->FindNode( aPART.node1+1 )));
coords.push_back( SMESH_TNodeXYZ( mesh->FindNode( aPART.nodeLast+1 )));