コード例 #1
0
ファイル: SMESH_MesherHelper.cpp プロジェクト: 5263/FreeCAD
SMDS_MeshFace* SMESH_MesherHelper::AddFace(const SMDS_MeshNode* n1,
                                           const SMDS_MeshNode* n2,
                                           const SMDS_MeshNode* n3,
                                           const SMDS_MeshNode* n4,
                                           const int id,
					   const bool force3d)
{
  SMESHDS_Mesh * meshDS = GetMeshDS();
  SMDS_MeshFace* elem = 0;
  if(!myCreateQuadratic) {
    if(id)
      elem = meshDS->AddFaceWithID(n1, n2, n3, n4, id);
    else
      elem = meshDS->AddFace(n1, n2, n3, n4);
  }
  else {
    const SMDS_MeshNode* n12 = GetMediumNode(n1,n2,force3d);
    const SMDS_MeshNode* n23 = GetMediumNode(n2,n3,force3d);
    const SMDS_MeshNode* n34 = GetMediumNode(n3,n4,force3d);
    const SMDS_MeshNode* n41 = GetMediumNode(n4,n1,force3d);

    if(id)
      elem = meshDS->AddFaceWithID(n1, n2, n3, n4, n12, n23, n34, n41, id);
    else
      elem = meshDS->AddFace(n1, n2, n3, n4, n12, n23, n34, n41);
  }
  if ( mySetElemOnShape && myShapeID > 0 )
    meshDS->SetMeshElementOnShape( elem, myShapeID );

  return elem;
}
コード例 #2
0
PyObject* FemMeshPy::addFace(PyObject *args)
{
    SMESH_Mesh* mesh = getFemMeshPtr()->getSMesh();
    SMESHDS_Mesh* meshDS = mesh->GetMeshDS();

    int n1,n2,n3;
    if (PyArg_ParseTuple(args, "iii",&n1,&n2,&n3))
    {
        // old form, deprecated
        try {
            const SMDS_MeshNode* node1 = meshDS->FindNode(n1);
            const SMDS_MeshNode* node2 = meshDS->FindNode(n2);
            const SMDS_MeshNode* node3 = meshDS->FindNode(n3);
            if (!node1 || !node2 || !node3)
                throw std::runtime_error("Failed to get node of the given indices");
            SMDS_MeshFace* face = meshDS->AddFace(node1, node2, node3);
            if (!face)
                throw std::runtime_error("Failed to add face");
            return Py::new_reference_to(Py::Long(face->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_MeshFace* face=0;
        if(ElementId != -1) {
            switch(Nodes.size()){
                case 3:
                    face = meshDS->AddFaceWithID(Nodes[0],Nodes[1],Nodes[2],ElementId);
                    if (!face)
                        throw std::runtime_error("Failed to add triangular face with given ElementId");
                    break;
                case 4:
                    face = meshDS->AddFaceWithID(Nodes[0],Nodes[1],Nodes[2],Nodes[3],ElementId);
                    if (!face)
                        throw std::runtime_error("Failed to add face with given ElementId");
                    break;
                case 6:
                    face = meshDS->AddFaceWithID(Nodes[0],Nodes[1],Nodes[2],Nodes[3],Nodes[4],Nodes[5],ElementId);
                    if (!face)
                        throw std::runtime_error("Failed to add face with given ElementId");
                    break;
                case 8:
                    face = meshDS->AddFaceWithID(Nodes[0],Nodes[1],Nodes[2],Nodes[3],Nodes[4],Nodes[5],Nodes[6],Nodes[7],ElementId);
                    if (!face)
                        throw std::runtime_error("Failed to add face with given ElementId");
                    break;
                default:
                    throw std::runtime_error("Unknown node count, [3|4|6|8] are allowed"); //unknown face type
            }
        }else{
            switch(Nodes.size()){
                case 3:
                    face = meshDS->AddFace(Nodes[0],Nodes[1],Nodes[2]);
                    if (!face)
                        throw std::runtime_error("Failed to add triangular face");
                    break;
                case 4:
                    face = meshDS->AddFace(Nodes[0],Nodes[1],Nodes[2],Nodes[3]);
                    if (!face)
                        throw std::runtime_error("Failed to add face");
                    break;
                case 6:
                    face = meshDS->AddFace(Nodes[0],Nodes[1],Nodes[2],Nodes[3],Nodes[4],Nodes[5]);
                    if (!face)
                        throw std::runtime_error("Failed to add face");
                    break;
                case 8:
                    face = meshDS->AddFace(Nodes[0],Nodes[1],Nodes[2],Nodes[3],Nodes[4],Nodes[5],Nodes[6],Nodes[7]);
                    if (!face)
                        throw std::runtime_error("Failed to add face");
                    break;
                default:
                    throw std::runtime_error("Unknown node count, [4|5|6|8] are allowed"); //unknown face type
            }
        }

        return Py::new_reference_to(Py::Long(face->GetID()));

    }
    PyErr_SetString(PyExc_TypeError, "addFace accepts:\n"
        "-- int,int,int\n"
        "-- [3|4|6|8 int],[int]\n");
    return 0;
}