1 #include "SMDS_VtkVolume.hxx"
2 #include "SMDS_MeshNode.hxx"
3 #include "SMDS_Mesh.hxx"
4 #include "SMDS_VtkCellIterator.hxx"
10 SMDS_VtkVolume::SMDS_VtkVolume()
14 SMDS_VtkVolume::SMDS_VtkVolume(std::vector<vtkIdType> nodeIds, SMDS_Mesh* mesh)
19 * typed used are vtk types (@see vtkCellType.h)
20 * see GetEntityType() for conversion in SMDS type (@see SMDSAbs_ElementType.hxx)
22 void SMDS_VtkVolume::init(std::vector<vtkIdType> nodeIds, SMDS_Mesh* mesh)
24 vtkUnstructuredGrid* grid = mesh->getGrid();
26 myMeshId = mesh->getMeshId();
27 vtkIdType aType = VTK_TETRA;
28 switch (nodeIds.size())
40 aType = VTK_HEXAHEDRON;
43 aType = VTK_QUADRATIC_TETRA;
46 aType = VTK_QUADRATIC_PYRAMID;
49 aType = VTK_QUADRATIC_WEDGE;
52 aType = VTK_QUADRATIC_HEXAHEDRON;
55 aType = VTK_HEXAHEDRON;
58 myVtkID = grid->InsertNextLinkedCell(aType, nodeIds.size(), &nodeIds[0]);
59 mesh->setMyModified();
60 //MESSAGE("SMDS_VtkVolume::init myVtkID " << myVtkID);
63 //#ifdef VTK_HAVE_POLYHEDRON
64 void SMDS_VtkVolume::initPoly(std::vector<vtkIdType> nodeIds, std::vector<int> nbNodesPerFace, SMDS_Mesh* mesh)
66 //MESSAGE("SMDS_VtkVolume::initPoly");
67 SMDS_UnstructuredGrid* grid = mesh->getGrid();
69 this->gravityCenter(grid, &nodeIds[0], nodeIds.size(), ¢er[0]);
70 vector<vtkIdType> ptIds;
72 vtkIdType nbFaces = nbNodesPerFace.size();
74 for (int i = 0; i < nbFaces; i++)
76 int nf = nbNodesPerFace[i];
81 grid->GetPoints()->GetPoint(nodeIds[k], a);
82 grid->GetPoints()->GetPoint(nodeIds[k + 1], b);
83 grid->GetPoints()->GetPoint(nodeIds[k + 2], c);
84 bool isFaceForward = this->isForward(a, b, c, center);
85 //MESSAGE("isFaceForward " << i << " " << isFaceForward);
86 vtkIdType *facePts = &nodeIds[k];
88 for (int n = 0; n < nf; n++)
89 ptIds.push_back(facePts[n]);
91 for (int n = nf - 1; n >= 0; n--)
92 ptIds.push_back(facePts[n]);
95 myVtkID = grid->InsertNextLinkedCell(VTK_POLYHEDRON, nbFaces, &ptIds[0]);
96 mesh->setMyModified();
100 bool SMDS_VtkVolume::ChangeNodes(const SMDS_MeshNode* nodes[], const int nbNodes)
102 vtkUnstructuredGrid* grid = SMDS_Mesh::_meshList[myMeshId]->getGrid();
105 grid->GetCellPoints(myVtkID, npts, pts);
108 MESSAGE("ChangeNodes problem: not the same number of nodes " << npts << " -> " << nbNodes);
111 for (int i = 0; i < nbNodes; i++)
113 pts[i] = nodes[i]->getVtkId();
115 SMDS_Mesh::_meshList[myMeshId]->setMyModified();
120 * Reorder in VTK order a list of nodes given in SMDS order.
121 * To be used before ChangeNodes: lists are given or computed in SMDS order.
123 bool SMDS_VtkVolume::vtkOrder(const SMDS_MeshNode* nodes[], const int nbNodes)
125 if (nbNodes != this->NbNodes())
127 MESSAGE("vtkOrder, wrong number of nodes " << nbNodes << " instead of "<< this->NbNodes());
130 vtkUnstructuredGrid* grid = SMDS_Mesh::_meshList[myMeshId]->getGrid();
131 vtkIdType aVtkType = grid->GetCellType(this->myVtkID);
135 this->exchange(nodes, 1, 2);
137 case VTK_QUADRATIC_TETRA:
138 this->exchange(nodes, 1, 2);
139 this->exchange(nodes, 4, 6);
140 this->exchange(nodes, 8, 9);
143 this->exchange(nodes, 1, 3);
147 case VTK_QUADRATIC_PYRAMID:
148 this->exchange(nodes, 1, 3);
149 this->exchange(nodes, 5, 8);
150 this->exchange(nodes, 6, 7);
151 this->exchange(nodes, 10, 12);
153 case VTK_QUADRATIC_WEDGE:
156 this->exchange(nodes, 1, 3);
157 this->exchange(nodes, 5, 7);
159 case VTK_QUADRATIC_HEXAHEDRON:
160 this->exchange(nodes, 1, 3);
161 this->exchange(nodes, 5, 7);
162 this->exchange(nodes, 8, 11);
163 this->exchange(nodes, 9, 10);
164 this->exchange(nodes, 12, 15);
165 this->exchange(nodes, 13, 14);
166 this->exchange(nodes, 17, 19);
175 SMDS_VtkVolume::~SMDS_VtkVolume()
179 void SMDS_VtkVolume::Print(ostream & OS) const
181 OS << "volume <" << GetID() << "> : ";
184 int SMDS_VtkVolume::NbFaces() const
186 vtkUnstructuredGrid* grid = SMDS_Mesh::_meshList[myMeshId]->getGrid();
187 vtkIdType aVtkType = grid->GetCellType(this->myVtkID);
192 case VTK_QUADRATIC_TETRA:
197 case VTK_QUADRATIC_PYRAMID:
198 case VTK_QUADRATIC_WEDGE:
202 case VTK_QUADRATIC_HEXAHEDRON:
207 vtkIdType nFaces = 0;
208 vtkIdType* ptIds = 0;
209 grid->GetFaceStream(this->myVtkID, nFaces, ptIds);
214 MESSAGE("invalid volume type")
222 int SMDS_VtkVolume::NbNodes() const
224 vtkUnstructuredGrid* grid = SMDS_Mesh::_meshList[myMeshId]->getGrid();
225 vtkIdType aVtkType = grid->GetCellType(this->myVtkID);
227 if (aVtkType != VTK_POLYHEDRON)
229 nbPoints = grid->GetCell(myVtkID)->GetNumberOfPoints();
233 vtkIdType nFaces = 0;
234 vtkIdType* ptIds = 0;
235 grid->GetFaceStream(this->myVtkID, nFaces, ptIds);
237 for (int i = 0; i < nFaces; i++)
239 int nodesInFace = ptIds[id];
240 nbPoints += nodesInFace;
241 id += (nodesInFace + 1);
247 int SMDS_VtkVolume::NbEdges() const
249 vtkUnstructuredGrid* grid = SMDS_Mesh::_meshList[myMeshId]->getGrid();
250 vtkIdType aVtkType = grid->GetCellType(this->myVtkID);
255 case VTK_QUADRATIC_TETRA:
259 case VTK_QUADRATIC_PYRAMID:
263 case VTK_QUADRATIC_WEDGE:
267 case VTK_QUADRATIC_HEXAHEDRON:
272 vtkIdType nFaces = 0;
273 vtkIdType* ptIds = 0;
274 grid->GetFaceStream(this->myVtkID, nFaces, ptIds);
277 for (int i = 0; i < nFaces; i++)
279 int edgesInFace = ptIds[id];
280 id += (edgesInFace + 1);
281 nbEdges += edgesInFace;
283 nbEdges = nbEdges / 2;
287 MESSAGE("invalid volume type")
296 * 1 <= face_ind <= NbFaces()
298 int SMDS_VtkVolume::NbFaceNodes(const int face_ind) const
300 vtkUnstructuredGrid* grid = SMDS_Mesh::_meshList[myMeshId]->getGrid();
301 vtkIdType aVtkType = grid->GetCellType(this->myVtkID);
303 if (aVtkType == VTK_POLYHEDRON)
305 vtkIdType nFaces = 0;
306 vtkIdType* ptIds = 0;
307 grid->GetFaceStream(this->myVtkID, nFaces, ptIds);
309 for (int i = 0; i < nFaces; i++)
311 int nodesInFace = ptIds[id];
312 id += (nodesInFace + 1);
313 if (i == face_ind - 1)
315 nbNodes = nodesInFace;
324 * 1 <= face_ind <= NbFaces()
325 * 1 <= node_ind <= NbFaceNodes()
327 const SMDS_MeshNode* SMDS_VtkVolume::GetFaceNode(const int face_ind, const int node_ind) const
329 SMDS_Mesh *mesh = SMDS_Mesh::_meshList[myMeshId];
330 vtkUnstructuredGrid* grid = mesh->getGrid();
331 vtkIdType aVtkType = grid->GetCellType(this->myVtkID);
332 const SMDS_MeshNode* node = 0;
333 if (aVtkType == VTK_POLYHEDRON)
335 vtkIdType nFaces = 0;
336 vtkIdType* ptIds = 0;
337 grid->GetFaceStream(this->myVtkID, nFaces, ptIds);
339 for (int i = 0; i < nFaces; i++)
341 int nodesInFace = ptIds[id]; // nodeIds in ptIds[id+1 .. id+nodesInFace]
342 if (i == face_ind - 1) // first face is number 1
344 if ((node_ind > 0) && (node_ind <= nodesInFace))
345 node = mesh->FindNodeVtk(ptIds[id + node_ind]); // ptIds[id+1] : first node
348 id += (nodesInFace + 1);
355 * return number of nodes for each face
357 const std::vector<int> SMDS_VtkVolume::GetQuantities() const
359 vector<int> quantities;
361 SMDS_Mesh *mesh = SMDS_Mesh::_meshList[myMeshId];
362 vtkUnstructuredGrid* grid = mesh->getGrid();
363 vtkIdType aVtkType = grid->GetCellType(this->myVtkID);
364 if (aVtkType == VTK_POLYHEDRON)
366 vtkIdType nFaces = 0;
367 vtkIdType* ptIds = 0;
368 grid->GetFaceStream(this->myVtkID, nFaces, ptIds);
370 for (int i = 0; i < nFaces; i++)
372 int nodesInFace = ptIds[id]; // nodeIds in ptIds[id+1 .. id+nodesInFace]
373 quantities.push_back(nodesInFace);
374 id += (nodesInFace + 1);
380 SMDS_ElemIteratorPtr SMDS_VtkVolume::elementsIterator(SMDSAbs_ElementType type) const
386 SMDSAbs_EntityType aType = this->GetEntityType();
387 if (aType == SMDSEntity_Polyhedra)
388 return SMDS_ElemIteratorPtr(new SMDS_VtkCellIteratorPolyH(SMDS_Mesh::_meshList[myMeshId], myVtkID, aType));
390 return SMDS_ElemIteratorPtr(new SMDS_VtkCellIterator(SMDS_Mesh::_meshList[myMeshId], myVtkID, aType));
393 MESSAGE("ERROR : Iterator not implemented");
394 return SMDS_ElemIteratorPtr((SMDS_ElemIterator*) NULL);
398 SMDS_ElemIteratorPtr SMDS_VtkVolume::nodesIteratorToUNV() const
400 return SMDS_ElemIteratorPtr(new SMDS_VtkCellIteratorToUNV(SMDS_Mesh::_meshList[myMeshId], myVtkID, GetEntityType()));
403 SMDS_ElemIteratorPtr SMDS_VtkVolume::interlacedNodesElemIterator() const
405 return SMDS_ElemIteratorPtr(new SMDS_VtkCellIteratorToUNV(SMDS_Mesh::_meshList[myMeshId], myVtkID, GetEntityType()));
408 SMDSAbs_ElementType SMDS_VtkVolume::GetType() const
410 return SMDSAbs_Volume;
414 * \brief Return node by its index
415 * \param ind - node index
416 * \retval const SMDS_MeshNode* - the node
418 const SMDS_MeshNode* SMDS_VtkVolume::GetNode(const int ind) const
420 // TODO optimize if possible (vtkCellIterator)
421 return SMDS_MeshElement::GetNode(ind);
424 bool SMDS_VtkVolume::IsQuadratic() const
426 vtkUnstructuredGrid* grid = SMDS_Mesh::_meshList[myMeshId]->getGrid();
427 vtkIdType aVtkType = grid->GetCellType(this->myVtkID);
428 // TODO quadratic polyhedrons ?
431 case VTK_QUADRATIC_TETRA:
432 case VTK_QUADRATIC_PYRAMID:
433 case VTK_QUADRATIC_WEDGE:
434 case VTK_QUADRATIC_HEXAHEDRON:
442 bool SMDS_VtkVolume::IsPoly() const
444 vtkUnstructuredGrid* grid = SMDS_Mesh::_meshList[myMeshId]->getGrid();
445 vtkIdType aVtkType = grid->GetCellType(this->myVtkID);
446 return (aVtkType == VTK_POLYHEDRON);
449 bool SMDS_VtkVolume::IsMediumNode(const SMDS_MeshNode* node) const
451 vtkUnstructuredGrid* grid = SMDS_Mesh::_meshList[myMeshId]->getGrid();
452 vtkIdType aVtkType = grid->GetCellType(this->myVtkID);
453 int rankFirstMedium = 0;
456 case VTK_QUADRATIC_TETRA:
457 rankFirstMedium = 4; // medium nodes are of rank 4 to 9
459 case VTK_QUADRATIC_PYRAMID:
460 rankFirstMedium = 5; // medium nodes are of rank 5 to 12
462 case VTK_QUADRATIC_WEDGE:
463 rankFirstMedium = 6; // medium nodes are of rank 6 to 14
465 case VTK_QUADRATIC_HEXAHEDRON:
466 rankFirstMedium = 8; // medium nodes are of rank 8 to 19
473 grid->GetCellPoints(myVtkID, npts, pts);
474 vtkIdType nodeId = node->getVtkId();
475 for (int rank = 0; rank < npts; rank++)
477 if (pts[rank] == nodeId)
479 if (rank < rankFirstMedium)
485 //throw SALOME_Exception(LOCALIZED("node does not belong to this element"));
486 MESSAGE("======================================================");
487 MESSAGE("= IsMediumNode: node does not belong to this element =");
488 MESSAGE("======================================================");
492 SMDSAbs_EntityType SMDS_VtkVolume::GetEntityType() const
494 vtkUnstructuredGrid* grid = SMDS_Mesh::_meshList[myMeshId]->getGrid();
495 vtkIdType aVtkType = grid->GetCellType(this->myVtkID);
497 SMDSAbs_EntityType aType = SMDSEntity_Tetra;
501 aType = SMDSEntity_Tetra;
504 aType = SMDSEntity_Pyramid;
507 aType = SMDSEntity_Penta;
510 aType = SMDSEntity_Hexa;
512 case VTK_QUADRATIC_TETRA:
513 aType = SMDSEntity_Quad_Tetra;
515 case VTK_QUADRATIC_PYRAMID:
516 aType = SMDSEntity_Quad_Pyramid;
518 case VTK_QUADRATIC_WEDGE:
519 aType = SMDSEntity_Quad_Penta;
521 case VTK_QUADRATIC_HEXAHEDRON:
522 aType = SMDSEntity_Quad_Hexa;
524 //#ifdef VTK_HAVE_POLYHEDRON
526 aType = SMDSEntity_Polyhedra;
530 aType = SMDSEntity_Polyhedra;
536 vtkIdType SMDS_VtkVolume::GetVtkType() const
538 vtkUnstructuredGrid* grid = SMDS_Mesh::_meshList[myMeshId]->getGrid();
539 vtkIdType aType = grid->GetCellType(myVtkID);
543 void SMDS_VtkVolume::gravityCenter(SMDS_UnstructuredGrid* grid, vtkIdType *nodeIds, int nbNodes, double* result)
545 for (int j = 0; j < 3; j++)
549 for (int i = 0; i < nbNodes; i++)
551 double *coords = grid->GetPoint(nodeIds[i]);
552 for (int j = 0; j < 3; j++)
553 result[j] += coords[j];
555 for (int j = 0; j < 3; j++)
556 result[j] = result[j] / nbNodes;
557 //MESSAGE("center " << result[0] << " " << result[1] << " " << result[2]);
561 bool SMDS_VtkVolume::isForward(double* a, double* b, double* c, double* d)
563 double u[3], v[3], w[3];
564 for (int j = 0; j < 3; j++)
566 //MESSAGE("a,b,c,d " << a[j] << " " << b[j] << " " << c[j] << " " << d[j]);
570 //MESSAGE("u,v,w " << u[j] << " " << v[j] << " " << w[j]);
572 double prodmixte = (u[1]*v[2] - u[2]*v[1]) * w[0]
573 + (u[2]*v[0] - u[0]*v[2]) * w[1]
574 + (u[0]*v[1] - u[1]*v[0]) * w[2];
575 return (prodmixte < 0);
578 /*! For polyhedron only
579 * @return actual number of nodes (not the sum of nodes of all faces)
581 int SMDS_VtkVolume::NbUniqueNodes() const
583 vtkUnstructuredGrid* grid = SMDS_Mesh::_meshList[myMeshId]->getGrid();
584 return grid->GetCell(myVtkID)->GetNumberOfPoints();
587 /*! For polyhedron use only
588 * @return iterator on actual nodes (not through the faces)
590 SMDS_ElemIteratorPtr SMDS_VtkVolume::uniqueNodesIterator() const
592 MESSAGE("uniqueNodesIterator");
593 return SMDS_ElemIteratorPtr(new SMDS_VtkCellIterator(SMDS_Mesh::_meshList[myMeshId], myVtkID, GetEntityType()));