meshDS->SetNodeOnEdge(NM, shapeID, prm);
SMDS_MeshEdge * edge = meshDS->AddEdge(idPrev, idLast, NM);
meshDS->SetMeshElementOnShape(edge, shapeID);
meshDS->SetNodeOnEdge(NM, shapeID, prm);
SMDS_MeshEdge * edge = meshDS->AddEdge(idPrev, idLast, NM);
meshDS->SetMeshElementOnShape(edge, shapeID);