1 // Copyright (C) 2007-2015 CEA/DEN, EDF R&D, OPEN CASCADE
3 // Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
4 // CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
6 // This library is free software; you can redistribute it and/or
7 // modify it under the terms of the GNU Lesser General Public
8 // License as published by the Free Software Foundation; either
9 // version 2.1 of the License, or (at your option) any later version.
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 // Lesser General Public License for more details.
16 // You should have received a copy of the GNU Lesser General Public
17 // License along with this library; if not, write to the Free Software
18 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
23 // SMESH SMDS : implementaion of Salome mesh data structure
26 #pragma warning(disable:4786)
29 #include "SMDS_MeshNode.hxx"
30 #include "SMDS_SpacePosition.hxx"
31 #include "SMDS_IteratorOfElements.hxx"
32 #include "SMDS_Mesh.hxx"
33 #include <vtkUnstructuredGrid.h>
35 #include "utilities.h"
36 #include "Utils_SALOME_Exception.hxx"
41 int SMDS_MeshNode::nbNodes =0;
43 //=======================================================================
44 //function : SMDS_MeshNode
46 //=======================================================================
47 SMDS_MeshNode::SMDS_MeshNode() :
48 SMDS_MeshElement(-1, -1, 0),
49 myPosition(SMDS_SpacePosition::originSpacePosition())
54 SMDS_MeshNode::SMDS_MeshNode(int id, int meshId, int shapeId, double x, double y, double z):
55 SMDS_MeshElement(id, meshId, shapeId),
56 myPosition(SMDS_SpacePosition::originSpacePosition())
59 init(id, meshId, shapeId, x, y ,z);
62 void SMDS_MeshNode::init(int id, int meshId, int shapeId, double x, double y, double z)
64 SMDS_MeshElement::init(id, meshId, shapeId);
67 //MESSAGE("Node " << myID << " " << myVtkID << " (" << x << ", " << y << ", " << z << ")");
68 SMDS_Mesh* mesh = SMDS_Mesh::_meshList[myMeshId];
69 SMDS_UnstructuredGrid * grid = mesh->getGrid();
70 vtkPoints *points = grid->GetPoints();
71 points->InsertPoint(myVtkID, x, y, z);
72 SMDS_CellLinks *cellLinks = dynamic_cast<SMDS_CellLinks*>(grid->GetCellLinks());
74 cellLinks->ResizeForPoint( myVtkID );
77 SMDS_MeshNode::~SMDS_MeshNode()
80 if ( myPosition && myPosition != SMDS_SpacePosition::originSpacePosition() )
81 delete myPosition, myPosition = 0;
84 //=======================================================================
85 //function : RemoveInverseElement
87 //=======================================================================
89 void SMDS_MeshNode::RemoveInverseElement(const SMDS_MeshElement * parent)
91 //MESSAGE("RemoveInverseElement " << myID << " " << parent->GetID());
92 const SMDS_MeshCell* cell = dynamic_cast<const SMDS_MeshCell*>(parent);
94 SMDS_Mesh::_meshList[myMeshId]->getGrid()->RemoveReferenceToCell(myVtkID, cell->getVtkId());
97 //=======================================================================
100 //=======================================================================
102 void SMDS_MeshNode::Print(ostream & OS) const
104 OS << "Node <" << myID << "> : X = " << X() << " Y = "
105 << Y() << " Z = " << Z() << endl;
108 //=======================================================================
109 //function : SetPosition
111 //=======================================================================
113 void SMDS_MeshNode::SetPosition(const SMDS_PositionPtr& aPos)
116 myPosition != SMDS_SpacePosition::originSpacePosition() &&
122 //=======================================================================
123 //function : GetPosition
125 //=======================================================================
127 const SMDS_PositionPtr& SMDS_MeshNode::GetPosition() const
132 //=======================================================================
134 * \brief Iterator on list of elements
136 //=======================================================================
138 class SMDS_MeshNode_MyInvIterator: public SMDS_ElemIterator
144 SMDSAbs_ElementType myType;
146 vector<vtkIdType> cellList;
149 SMDS_MeshNode_MyInvIterator(SMDS_Mesh *mesh, vtkIdType* cells, int ncells, SMDSAbs_ElementType type) :
150 myMesh(mesh), myCells(cells), myNcells(ncells), myType(type), iter(0)
152 cellList.reserve( ncells );
153 if (type == SMDSAbs_All)
154 cellList.assign( cells, cells + ncells );
156 for (int i = 0; i < ncells; i++)
158 int vtkId = cells[i];
159 int smdsId = myMesh->fromVtkToSmds(vtkId);
160 const SMDS_MeshElement* elem = myMesh->FindElement(smdsId);
161 if (elem->GetType() == type)
163 cellList.push_back(vtkId);
166 myCells = cellList.empty() ? 0 : &cellList[0];
167 myNcells = cellList.size();
172 return (iter < myNcells);
175 const SMDS_MeshElement* next()
177 int vtkId = myCells[iter];
178 int smdsId = myMesh->fromVtkToSmds(vtkId);
179 const SMDS_MeshElement* elem = myMesh->FindElement(smdsId);
182 MESSAGE("SMDS_MeshNode_MyInvIterator problem Null element");
183 throw SALOME_Exception("SMDS_MeshNode_MyInvIterator problem Null element");
185 //MESSAGE("vtkId " << vtkId << " smdsId " << smdsId << " " << elem->GetType());
191 SMDS_ElemIteratorPtr SMDS_MeshNode::
192 GetInverseElementIterator(SMDSAbs_ElementType type) const
194 vtkCellLinks::Link l = SMDS_Mesh::_meshList[myMeshId]->getGrid()->GetCellLinks()->GetLink(myVtkID);
195 //MESSAGE("myID " << myID << " ncells " << l.ncells);
196 return SMDS_ElemIteratorPtr(new SMDS_MeshNode_MyInvIterator(SMDS_Mesh::_meshList[myMeshId], l.cells, l.ncells, type));
199 // Same as GetInverseElementIterator but the create iterator only return
200 // wanted type elements.
201 class SMDS_MeshNode_MyIterator:public SMDS_ElemIterator
207 SMDSAbs_ElementType myType;
209 vector<SMDS_MeshElement*> myFiltCells;
212 SMDS_MeshNode_MyIterator(SMDS_Mesh *mesh,
215 SMDSAbs_ElementType type):
216 myMesh(mesh), myCells(cells), myNcells(ncells), myType(type), iter(0)
218 //MESSAGE("myNcells " << myNcells);
219 for (; iter<ncells; iter++)
221 int vtkId = myCells[iter];
222 int smdsId = myMesh->fromVtkToSmds(vtkId);
223 //MESSAGE("vtkId " << vtkId << " smdsId " << smdsId);
224 const SMDS_MeshElement* elem = myMesh->FindElement(smdsId);
225 if (elem->GetType() == type)
226 myFiltCells.push_back((SMDS_MeshElement*)elem);
228 myNcells = myFiltCells.size();
229 //MESSAGE("myNcells " << myNcells);
231 //MESSAGE("SMDS_MeshNode_MyIterator (filter) " << ncells << " " << myNcells);
236 return (iter< myNcells);
239 const SMDS_MeshElement* next()
241 const SMDS_MeshElement* elem = myFiltCells[iter];
247 SMDS_ElemIteratorPtr SMDS_MeshNode::
248 elementsIterator(SMDSAbs_ElementType type) const
250 if(type==SMDSAbs_Node)
251 return SMDS_MeshElement::elementsIterator(SMDSAbs_Node);
254 vtkCellLinks::Link l = SMDS_Mesh::_meshList[myMeshId]->getGrid()->GetCellLinks()->GetLink(myVtkID);
255 return SMDS_ElemIteratorPtr(new SMDS_MeshNode_MyIterator(SMDS_Mesh::_meshList[myMeshId], l.cells, l.ncells, type));
259 int SMDS_MeshNode::NbNodes() const
264 double* SMDS_MeshNode::getCoord() const
266 return SMDS_Mesh::_meshList[myMeshId]->getGrid()->GetPoint(myVtkID);
269 double SMDS_MeshNode::X() const
271 double *coord = getCoord();
275 double SMDS_MeshNode::Y() const
277 double *coord = getCoord();
281 double SMDS_MeshNode::Z() const
283 double *coord = getCoord();
287 //================================================================================
289 * \brief thread safe getting coords
291 void SMDS_MeshNode::GetXYZ(double xyz[3]) const
293 return SMDS_Mesh::_meshList[myMeshId]->getGrid()->GetPoint(myVtkID,xyz);
296 //* resize the vtkPoints structure every SMDS_Mesh::chunkSize points
297 void SMDS_MeshNode::setXYZ(double x, double y, double z)
299 SMDS_Mesh *mesh = SMDS_Mesh::_meshList[myMeshId];
300 vtkPoints *points = mesh->getGrid()->GetPoints();
301 points->InsertPoint(myVtkID, x, y, z);
302 mesh->adjustBoundingBox(x, y, z);
303 mesh->setMyModified();
306 SMDSAbs_ElementType SMDS_MeshNode::GetType() const
311 vtkIdType SMDS_MeshNode::GetVtkType() const
316 //=======================================================================
317 //function : AddInverseElement
319 //=======================================================================
320 void SMDS_MeshNode::AddInverseElement(const SMDS_MeshElement* ME)
322 const SMDS_MeshCell *cell = dynamic_cast<const SMDS_MeshCell*> (ME);
324 SMDS_UnstructuredGrid* grid = SMDS_Mesh::_meshList[myMeshId]->getGrid();
325 vtkCellLinks *Links = grid->GetCellLinks();
326 Links->ResizeCellList(myVtkID, 1);
327 Links->AddCellReference(cell->getVtkId(), myVtkID);
330 //=======================================================================
331 //function : ClearInverseElements
333 //=======================================================================
334 void SMDS_MeshNode::ClearInverseElements()
336 SMDS_Mesh::_meshList[myMeshId]->getGrid()->ResizeCellList(myVtkID, 0);
339 bool SMDS_MeshNode::emptyInverseElements()
341 vtkCellLinks::Link l = SMDS_Mesh::_meshList[myMeshId]->getGrid()->GetCellLinks()->GetLink(myVtkID);
342 return (l.ncells == 0);
345 //================================================================================
347 * \brief Count inverse elements of given type
349 //================================================================================
351 int SMDS_MeshNode::NbInverseElements(SMDSAbs_ElementType type) const
353 vtkCellLinks::Link l = SMDS_Mesh::_meshList[myMeshId]->getGrid()->GetCellLinks()->GetLink(myVtkID);
355 if ( type == SMDSAbs_All )
359 SMDS_Mesh *mesh = SMDS_Mesh::_meshList[myMeshId];
360 for (int i=0; i<l.ncells; i++)
362 const SMDS_MeshElement* elem = mesh->FindElement(mesh->fromVtkToSmds(l.cells[i]));
363 if (elem->GetType() == type)
369 ///////////////////////////////////////////////////////////////////////////////
370 /// To be used with STL set
371 ///////////////////////////////////////////////////////////////////////////////
372 bool operator<(const SMDS_MeshNode& e1, const SMDS_MeshNode& e2)
374 return e1.getVtkId()<e2.getVtkId();
375 /*if(e1.myX<e2.myX) return true;
376 else if(e1.myX==e2.myX)
378 if(e1.myY<e2.myY) return true;
379 else if(e1.myY==e2.myY) return (e1.myZ<e2.myZ);