示例#1
0
SMDS_MeshEdge* SMESH_MesherHelper::AddEdge(const SMDS_MeshNode* n1,
                                                const SMDS_MeshNode* n2,
                                                const int id,
                                                const bool force3d)
{
  SMESHDS_Mesh * meshDS = GetMeshDS();
  
  SMDS_MeshEdge* edge = 0;
  if (myCreateQuadratic) {
    const SMDS_MeshNode* n12 = GetMediumNode(n1,n2,force3d);
    if(id)
      edge = meshDS->AddEdgeWithID(n1, n2, n12, id);
    else
      edge = meshDS->AddEdge(n1, n2, n12);
  }
  else {
    if(id)
      edge = meshDS->AddEdgeWithID(n1, n2, id);
    else
      edge = meshDS->AddEdge(n1, n2);
  }

  if ( mySetElemOnShape && myShapeID > 0 )
    meshDS->SetMeshElementOnShape( edge, myShapeID );

  return edge;
}
PyObject* FemMeshPy::addEdge(PyObject *args)
{
    SMESH_Mesh* mesh = getFemMeshPtr()->getSMesh();
    SMESHDS_Mesh* meshDS = mesh->GetMeshDS();

    int n1,n2;
    if (PyArg_ParseTuple(args, "ii",&n1,&n2)) {
        try {
            const SMDS_MeshNode* node1 = meshDS->FindNode(n1);
            const SMDS_MeshNode* node2 = meshDS->FindNode(n2);
            if (!node1 || !node2)
                throw std::runtime_error("Failed to get node of the given indices");
            SMDS_MeshEdge* edge = meshDS->AddEdge(node1, node2);
            if (!edge)
                throw std::runtime_error("Failed to add edge");
            return Py::new_reference_to(Py::Long(edge->GetID()));
        }
        catch (const std::exception& e) {
            PyErr_SetString(Base::BaseExceptionFreeCADError, e.what());
            return 0;
        }
    }
    PyErr_Clear();

    PyObject *obj;
    int ElementId=-1;
    if (PyArg_ParseTuple(args, "O!|i", &PyList_Type, &obj, &ElementId))
    {
        Py::List list(obj);
        std::vector<const SMDS_MeshNode*> Nodes;
        for (Py::List::iterator it = list.begin(); it != list.end(); ++it) {
#if PY_MAJOR_VERSION >= 3
            Py::Long NoNr(*it);
#else
            Py::Int NoNr(*it);
#endif
            const SMDS_MeshNode* node = meshDS->FindNode(NoNr);
            if (!node)
                throw std::runtime_error("Failed to get node of the given indices");
            Nodes.push_back(node);
        }

        SMDS_MeshEdge* edge=0;
        if(ElementId != -1) {
            switch(Nodes.size()){
                case 2:
                    edge = meshDS->AddEdgeWithID(Nodes[0],Nodes[1],ElementId);
                    if (!edge)
                        throw std::runtime_error("Failed to add edge with given ElementId");
                    break;
                case 3:
                    edge = meshDS->AddEdgeWithID(Nodes[0],Nodes[1],Nodes[2],ElementId);
                    if (!edge)
                        throw std::runtime_error("Failed to add edge with given ElementId");
                    break;
                default:
                    throw std::runtime_error("Unknown node count, [2|3] are allowed"); //unknown edge type
            }
        }
        else {
            switch(Nodes.size()){
            case 2:
                edge = meshDS->AddEdge(Nodes[0],Nodes[1]);
                if (!edge)
                    throw std::runtime_error("Failed to add edge");
                break;
            case 3:
                edge = meshDS->AddEdge(Nodes[0],Nodes[1],Nodes[2]);
                if (!edge)
                    throw std::runtime_error("Failed to add edge");
                break;
            default:
                throw std::runtime_error("Unknown node count, [2|3] are allowed"); //unknown edge type
            }
        }
#if PY_MAJOR_VERSION >= 3
        return Py::new_reference_to(Py::Long(edge->GetID()));
#else
        return Py::new_reference_to(Py::Int(edge->GetID()));
#endif
    }
    PyErr_SetString(PyExc_TypeError, "addEdge accepts:\n"
        "-- int,int\n"
        "-- [2|3],[int]\n");
    return 0;
}