1 // Copyright (C) 2007-2010 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.
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 OBJECT : interactive object for SMESH visualization
24 // File : SMESH_Grid.cxx
25 // Author : Nicolas REJNERI
28 #include "SMESH_ObjectDef.h"
29 #include "SMESH_ActorUtils.h"
31 #include "SMDS_Mesh.hxx"
32 #include "SMDS_PolyhedralVolumeOfNodes.hxx"
33 #include "SMESH_Actor.h"
34 #include "SMESH_ControlsDef.hxx"
35 #include "SalomeApp_Application.h"
36 #include "VTKViewer_ExtractUnstructuredGrid.h"
37 #include "VTKViewer_CellLocationsArray.h"
39 #include CORBA_SERVER_HEADER(SMESH_Gen)
40 #include CORBA_SERVER_HEADER(SALOME_Exception)
43 #include <vtkIdList.h>
44 #include <vtkCellArray.h>
45 #include <vtkUnsignedCharArray.h>
47 #include <vtkUnstructuredGrid.h>
54 #include "utilities.h"
59 #define EXCEPTION(TYPE, MSG) {\
60 std::ostringstream aStream;\
61 aStream<<__FILE__<<"["<<__LINE__<<"]::"<<MSG;\
62 throw TYPE(aStream.str());\
67 static int MYDEBUG = 1;
68 static int MYDEBUGWITHFILES = 0;
70 static int MYDEBUG = 0;
71 static int MYDEBUGWITHFILES = 0;
76 Class : SMESH_VisualObjDef
77 Description : Base class for all mesh objects to be visuilised
80 //=================================================================================
81 // function : getCellType
82 // purpose : Get type of VTK cell
83 //=================================================================================
84 static inline vtkIdType getCellType( const SMDSAbs_ElementType theType,
86 const int theNbNodes )
90 case SMDSAbs_0DElement:
94 if( theNbNodes == 2 ) return VTK_LINE;
95 else if ( theNbNodes == 3 ) return VTK_QUADRATIC_EDGE;
96 else return VTK_EMPTY_CELL;
99 if (thePoly && theNbNodes>2 ) return VTK_POLYGON;
100 else if ( theNbNodes == 3 ) return VTK_TRIANGLE;
101 else if ( theNbNodes == 4 ) return VTK_QUAD;
102 else if ( theNbNodes == 6 ) return VTK_QUADRATIC_TRIANGLE;
103 else if ( theNbNodes == 8 ) return VTK_QUADRATIC_QUAD;
104 else return VTK_EMPTY_CELL;
107 if (thePoly && theNbNodes>3 ) return VTK_CONVEX_POINT_SET;
108 else if ( theNbNodes == 4 ) return VTK_TETRA;
109 else if ( theNbNodes == 5 ) return VTK_PYRAMID;
110 else if ( theNbNodes == 6 ) return VTK_WEDGE;
111 else if ( theNbNodes == 8 ) return VTK_HEXAHEDRON;
112 else if ( theNbNodes == 10 ) {
113 return VTK_QUADRATIC_TETRA;
115 else if ( theNbNodes == 20 ) {
116 return VTK_QUADRATIC_HEXAHEDRON;
118 else if ( theNbNodes == 15 ) {
119 return VTK_QUADRATIC_WEDGE;
121 else if ( theNbNodes==13 ) {
122 return VTK_CONVEX_POINT_SET;
124 else return VTK_EMPTY_CELL;
126 default: return VTK_EMPTY_CELL;
130 //=================================================================================
131 // functions : SMESH_VisualObjDef
132 // purpose : Constructor
133 //=================================================================================
134 SMESH_VisualObjDef::SMESH_VisualObjDef()
136 MESSAGE("---------------------------------------------SMESH_VisualObjDef::SMESH_VisualObjDef");
137 myGrid = vtkUnstructuredGrid::New();
140 SMESH_VisualObjDef::~SMESH_VisualObjDef()
142 MESSAGE("---------------------------------------------SMESH_VisualObjDef::~SMESH_VisualObjDef");
144 MESSAGE( "~SMESH_MeshObj - myGrid->GetReferenceCount() = " << myGrid->GetReferenceCount() );
148 //=================================================================================
149 // functions : GetNodeObjId, GetNodeVTKId, GetElemObjId, GetElemVTKId
150 // purpose : Methods for retrieving VTK IDs by SMDS IDs and vice versa
151 //=================================================================================
152 vtkIdType SMESH_VisualObjDef::GetNodeObjId( int theVTKID )
156 TMapOfIds::const_iterator i = myVTK2SMDSNodes.find(theVTKID);
157 return i == myVTK2SMDSNodes.end() ? -1 : i->second;
162 vtkIdType SMESH_VisualObjDef::GetNodeVTKId( int theObjID )
166 TMapOfIds::const_iterator i = mySMDS2VTKNodes.find(theObjID);
167 return i == mySMDS2VTKNodes.end() ? -1 : i->second;
172 vtkIdType SMESH_VisualObjDef::GetElemObjId( int theVTKID )
176 TMapOfIds::const_iterator i = myVTK2SMDSElems.find(theVTKID);
177 return i == myVTK2SMDSElems.end() ? -1 : i->second;
179 return this->GetMesh()->fromVtkToSmds(theVTKID);
182 vtkIdType SMESH_VisualObjDef::GetElemVTKId( int theObjID )
186 TMapOfIds::const_iterator i = mySMDS2VTKElems.find(theObjID);
187 return i == mySMDS2VTKElems.end() ? -1 : i->second;
189 return this->GetMesh()->fromSmdsToVtk(theObjID);
192 //=================================================================================
193 // function : SMESH_VisualObjDef::createPoints
194 // purpose : Create points from nodes
195 //=================================================================================
196 /*! fills a vtkPoints structure for a submesh.
197 * fills a std::list of SMDS_MeshElements*, then extract the points.
198 * fills also conversion id maps between SMDS and VTK.
200 void SMESH_VisualObjDef::createPoints( vtkPoints* thePoints )
202 if ( thePoints == 0 )
206 vtkIdType nbNodes = GetEntities( SMDSAbs_Node, aNodes );
207 thePoints->SetNumberOfPoints( nbNodes );
211 TEntityList::const_iterator anIter;
212 for ( anIter = aNodes.begin(); anIter != aNodes.end(); ++anIter )
214 const SMDS_MeshNode* aNode = ( const SMDS_MeshNode* )(*anIter);
217 thePoints->SetPoint( nbPoints, aNode->X(), aNode->Y(), aNode->Z() );
218 int anId = aNode->GetID();
219 mySMDS2VTKNodes.insert( TMapOfIds::value_type( anId, nbPoints ) );
220 myVTK2SMDSNodes.insert( TMapOfIds::value_type( nbPoints, anId ) );
225 if ( nbPoints != nbNodes )
226 thePoints->SetNumberOfPoints( nbPoints );
229 //=================================================================================
230 // function : buildPrs
231 // purpose : create VTK cells( fill unstructured grid )
232 //=================================================================================
233 void SMESH_VisualObjDef::buildPrs(bool buildGrid)
235 MESSAGE("----------------------------------------------------------SMESH_VisualObjDef::buildPrs " << buildGrid);
241 mySMDS2VTKNodes.clear();
242 myVTK2SMDSNodes.clear();
243 mySMDS2VTKElems.clear();
244 myVTK2SMDSElems.clear();
253 mySMDS2VTKNodes.clear();
254 myVTK2SMDSNodes.clear();
255 mySMDS2VTKElems.clear();
256 myVTK2SMDSElems.clear();
258 myGrid->SetPoints( 0 );
259 myGrid->SetCells( 0, 0, 0 );
266 vtkUnstructuredGrid *theGrid = GetMesh()->getGrid();
267 myGrid->ShallowCopy(theGrid);
268 //MESSAGE(myGrid->GetReferenceCount());
269 //MESSAGE( "Update - myGrid->GetNumberOfCells() = "<<myGrid->GetNumberOfCells() );
270 //MESSAGE( "Update - myGrid->GetNumberOfPoints() = "<<myGrid->GetNumberOfPoints() );
271 if( MYDEBUGWITHFILES ) SMESH::WriteUnstructuredGrid( myGrid,"/tmp/buildPrs" );
275 //=================================================================================
276 // function : buildNodePrs
277 // purpose : create VTK cells for nodes
278 //=================================================================================
280 void SMESH_VisualObjDef::buildNodePrs()
282 // PAL16631: without swap, bad_alloc is not thrown but hung up and crash instead,
283 // so check remaining memory size for safety
284 // SMDS_Mesh::CheckMemory(); // PAL16631
285 vtkPoints* aPoints = vtkPoints::New();
286 createPoints( aPoints );
287 // SMDS_Mesh::CheckMemory();
288 myGrid->SetPoints( aPoints );
291 myGrid->SetCells( 0, 0, 0 );
294 //=================================================================================
295 // function : buildElemPrs
296 // purpose : Create VTK cells for elements
297 //=================================================================================
300 typedef std::vector<const SMDS_MeshElement*> TConnect;
302 int GetConnect(const SMDS_ElemIteratorPtr& theNodesIter,
303 TConnect& theConnect)
306 for(; theNodesIter->more();)
307 theConnect.push_back(theNodesIter->next());
308 return theConnect.size();
312 void SetId(vtkIdList *theIdList,
313 const SMESH_VisualObjDef::TMapOfIds& theSMDS2VTKNodes,
314 const TConnect& theConnect,
318 theIdList->SetId(thePosition,theSMDS2VTKNodes.find(theConnect[theId]->GetID())->second);
324 void SMESH_VisualObjDef::buildElemPrs()
328 vtkPoints* aPoints = vtkPoints::New();
329 createPoints( aPoints );
330 myGrid->SetPoints( aPoints );
334 MESSAGE("Update - myGrid->GetNumberOfPoints() = "<<myGrid->GetNumberOfPoints());
336 // Calculate cells size
338 static SMDSAbs_ElementType aTypes[ 4 ] =
339 { SMDSAbs_0DElement, SMDSAbs_Edge, SMDSAbs_Face, SMDSAbs_Volume };
342 map<SMDSAbs_ElementType,int> nbEnts;
343 map<SMDSAbs_ElementType,TEntityList> anEnts;
345 for ( int i = 0; i <= 3; i++ )
346 nbEnts[ aTypes[ i ] ] = GetEntities( aTypes[ i ], anEnts[ aTypes[ i ] ] );
348 // PAL16631: without swap, bad_alloc is not thrown but hung up and crash instead,
349 // so check remaining memory size for safety
350 // SMDS_Mesh::CheckMemory(); // PAL16631
352 vtkIdType aCellsSize = 2 * nbEnts[ SMDSAbs_0DElement ] + 3 * nbEnts[ SMDSAbs_Edge ];
354 for ( int i = 2; i <= 3; i++ ) // iterate through faces and volumes
356 if ( nbEnts[ aTypes[ i ] ] )
358 const TEntityList& aList = anEnts[ aTypes[ i ] ];
359 TEntityList::const_iterator anIter;
360 for ( anIter = aList.begin(); anIter != aList.end(); ++anIter )
361 aCellsSize += (*anIter)->NbNodes() + 1;
365 vtkIdType aNbCells = nbEnts[ SMDSAbs_0DElement ] + nbEnts[ SMDSAbs_Edge ] +
366 nbEnts[ SMDSAbs_Face ] + nbEnts[ SMDSAbs_Volume ];
369 MESSAGE( "Update - aNbCells = "<<aNbCells<<"; aCellsSize = "<<aCellsSize );
373 vtkCellArray* aConnectivity = vtkCellArray::New();
374 aConnectivity->Allocate( aCellsSize, 0 );
376 // SMDS_Mesh::CheckMemory(); // PAL16631
378 vtkUnsignedCharArray* aCellTypesArray = vtkUnsignedCharArray::New();
379 aCellTypesArray->SetNumberOfComponents( 1 );
380 aCellTypesArray->Allocate( aNbCells * aCellTypesArray->GetNumberOfComponents() );
382 // SMDS_Mesh::CheckMemory(); // PAL16631
384 vtkIdList *anIdList = vtkIdList::New();
388 aConnect.reserve(VTK_CELL_SIZE);
390 // SMDS_Mesh::CheckMemory(); // PAL16631
392 for ( int i = 0; i <= 3; i++ ) // iterate through 0d elements, edges, faces and volumes
394 if ( nbEnts[ aTypes[ i ] ] > 0 )
396 const SMDSAbs_ElementType& aType = aTypes[ i ];
397 const TEntityList& aList = anEnts[ aType ];
398 TEntityList::const_iterator anIter;
399 for ( anIter = aList.begin(); anIter != aList.end(); ++anIter )
401 const SMDS_MeshElement* anElem = *anIter;
403 vtkIdType aNbNodes = anElem->NbNodes();
404 anIdList->SetNumberOfIds( aNbNodes );
406 int anId = anElem->GetID();
408 mySMDS2VTKElems.insert( TMapOfIds::value_type( anId, iElem ) );
409 myVTK2SMDSElems.insert( TMapOfIds::value_type( iElem, anId ) );
411 SMDS_ElemIteratorPtr aNodesIter = anElem->nodesIterator();
413 case SMDSAbs_Volume:{
415 std::vector<int> aConnectivities;
416 // Convertions connectivities from SMDS to VTK
417 if (anElem->IsPoly() && aNbNodes > 3) { // POLYEDRE
419 if ( const SMDS_PolyhedralVolumeOfNodes* ph =
420 dynamic_cast<const SMDS_PolyhedralVolumeOfNodes*> (anElem))
422 aNbNodes = GetConnect(ph->uniqueNodesIterator(),aConnect);
423 anIdList->SetNumberOfIds( aNbNodes );
425 for (int k = 0; k < aNbNodes; k++)
426 aConnectivities.push_back(k);
428 } else if (aNbNodes == 4) {
429 static int anIds[] = {0,2,1,3};
430 for (int k = 0; k < aNbNodes; k++) aConnectivities.push_back(anIds[k]);
432 } else if (aNbNodes == 5) {
433 static int anIds[] = {0,3,2,1,4};
434 for (int k = 0; k < aNbNodes; k++) aConnectivities.push_back(anIds[k]);
436 } else if (aNbNodes == 6) {
437 static int anIds[] = {0,1,2,3,4,5};
438 for (int k = 0; k < aNbNodes; k++) aConnectivities.push_back(anIds[k]);
441 else if (aNbNodes == 8) {
442 static int anIds[] = {0,3,2,1,4,7,6,5};
443 for (int k = 0; k < aNbNodes; k++) aConnectivities.push_back(anIds[k]);
446 else if (aNbNodes == 10) {
447 static int anIds[] = {0,2,1,3,6,5,4,7,9,8};
448 for (int k = 0; k < aNbNodes; k++) aConnectivities.push_back(anIds[k]);
450 else if (aNbNodes == 13) {
451 static int anIds[] = {0,3,2,1,4,8,7,6,5,9,12,11,10};
452 for (int k = 0; k < aNbNodes; k++) aConnectivities.push_back(anIds[k]);
454 else if (aNbNodes == 15) {
455 //static int anIds[] = {0,2,1,3,5,4,8,7,6,11,10,9,12,14,13};
456 static int anIds[] = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14};
457 for (int k = 0; k < aNbNodes; k++) aConnectivities.push_back(anIds[k]);
458 //for (int k = 0; k < aNbNodes; k++) {
459 // int nn = aConnectivities[k];
460 // const SMDS_MeshNode* N = static_cast<const SMDS_MeshNode*> (aConnect[nn]);
461 // cout<<"k="<<k<<" N("<<N->X()<<","<<N->Y()<<","<<N->Z()<<")"<<endl;
464 else if (aNbNodes == 20) {
465 static int anIds[] = {0,3,2,1,4,7,6,5,11,10,9,8,15,14,13,12,16,19,18,17};
466 for (int k = 0; k < aNbNodes; k++) aConnectivities.push_back(anIds[k]);
471 if ( aConnect.empty() )
472 GetConnect(aNodesIter,aConnect);
474 if (aConnectivities.size() > 0) {
475 for (vtkIdType aNodeId = 0; aNodeId < aNbNodes; aNodeId++)
476 SetId(anIdList,mySMDS2VTKNodes,aConnect,aNodeId,aConnectivities[aNodeId]);
481 for( vtkIdType aNodeId = 0; aNodesIter->more(); aNodeId++ ){
482 const SMDS_MeshElement* aNode = aNodesIter->next();
483 anIdList->SetId( aNodeId, mySMDS2VTKNodes[aNode->GetID()] );
487 aConnectivity->InsertNextCell( anIdList );
488 aCellTypesArray->InsertNextValue( getCellType( aType, anElem->IsPoly(), aNbNodes ) );
493 // SMDS_Mesh::CheckMemory(); // PAL16631
496 // Insert cells in grid
498 VTKViewer_CellLocationsArray* aCellLocationsArray = VTKViewer_CellLocationsArray::New();
499 aCellLocationsArray->SetNumberOfComponents( 1 );
500 aCellLocationsArray->SetNumberOfTuples( aNbCells );
502 // SMDS_Mesh::CheckMemory(); // PAL16631
504 aConnectivity->InitTraversal();
505 for( vtkIdType idType = 0, *pts, npts; aConnectivity->GetNextCell( npts, pts ); idType++ )
506 aCellLocationsArray->SetValue( idType, aConnectivity->GetTraversalLocation( npts ) );
508 myGrid->SetCells( aCellTypesArray, aCellLocationsArray,aConnectivity );
510 aCellLocationsArray->Delete();
511 aCellTypesArray->Delete();
512 aConnectivity->Delete();
515 // SMDS_Mesh::CheckMemory(); // PAL16631
518 //=================================================================================
519 // function : GetEdgeNodes
520 // purpose : Retrieve ids of nodes from edge of elements ( edge is numbered from 1 )
521 //=================================================================================
522 bool SMESH_VisualObjDef::GetEdgeNodes( const int theElemId,
523 const int theEdgeNum,
525 int& theNodeId2 ) const
527 const SMDS_Mesh* aMesh = GetMesh();
531 const SMDS_MeshElement* anElem = aMesh->FindElement( theElemId );
535 int nbNodes = anElem->NbNodes();
537 if ( theEdgeNum < 0 || theEdgeNum > 3 || nbNodes != 3 && nbNodes != 4 || theEdgeNum > nbNodes )
540 vector<int> anIds( nbNodes );
541 SMDS_ElemIteratorPtr anIter = anElem->nodesIterator();
543 while( anIter->more() )
544 anIds[ i++ ] = anIter->next()->GetID();
546 if ( theEdgeNum < nbNodes - 1 )
548 theNodeId1 = anIds[ theEdgeNum ];
549 theNodeId2 = anIds[ theEdgeNum + 1 ];
553 theNodeId1 = anIds[ nbNodes - 1 ];
554 theNodeId2 = anIds[ 0 ];
560 vtkUnstructuredGrid* SMESH_VisualObjDef::GetUnstructuredGrid()
562 //MESSAGE("SMESH_VisualObjDef::GetUnstructuredGrid " << myGrid);
567 //=================================================================================
568 // function : IsValid
569 // purpose : Return true if there are some entities
570 //=================================================================================
571 bool SMESH_VisualObjDef::IsValid() const
573 //MESSAGE("SMESH_VisualObjDef::IsValid");
574 return GetNbEntities(SMDSAbs_Node) > 0 ||
575 GetNbEntities(SMDSAbs_0DElement) > 0 ||
576 GetNbEntities(SMDSAbs_Edge) > 0 ||
577 GetNbEntities(SMDSAbs_Face) > 0 ||
578 GetNbEntities(SMDSAbs_Volume) > 0 ;
582 Class : SMESH_MeshObj
583 Description : Class for visualisation of mesh
586 //=================================================================================
587 // function : SMESH_MeshObj
588 // purpose : Constructor
589 //=================================================================================
590 SMESH_MeshObj::SMESH_MeshObj(SMESH::SMESH_Mesh_ptr theMesh):
591 myClient(SalomeApp_Application::orb(),theMesh)
595 MESSAGE("SMESH_MeshObj - this = "<<this<<"; theMesh->_is_nil() = "<<theMesh->_is_nil());
598 //=================================================================================
599 // function : ~SMESH_MeshObj
600 // purpose : Destructor
601 //=================================================================================
602 SMESH_MeshObj::~SMESH_MeshObj()
605 MESSAGE("SMESH_MeshObj - this = "<<this<<"\n");
608 //=================================================================================
610 // purpose : Update mesh and fill grid with new values if necessary
611 //=================================================================================
612 bool SMESH_MeshObj::Update( int theIsClear )
614 // Update SMDS_Mesh on client part
615 //MESSAGE("SMESH_MeshObj::Update " << this);
616 if ( myClient.Update(theIsClear) || GetUnstructuredGrid()->GetNumberOfPoints()==0) {
617 buildPrs(); // Fill unstructured grid
623 bool SMESH_MeshObj::NulData()
625 MESSAGE ("SMESH_MeshObj::NulData() ==================================================================================");
628 myEmptyGrid = SMDS_UnstructuredGrid::New();
629 myEmptyGrid->Initialize();
630 myEmptyGrid->Allocate();
631 vtkPoints* points = vtkPoints::New();
632 points->SetNumberOfPoints(0);
633 myEmptyGrid->SetPoints( points );
635 myEmptyGrid->BuildLinks();
637 myGrid->ShallowCopy(myEmptyGrid);
639 //=================================================================================
640 // function : GetElemDimension
641 // purpose : Get dimension of element
642 //=================================================================================
643 int SMESH_MeshObj::GetElemDimension( const int theObjId )
645 const SMDS_MeshElement* anElem = myClient->FindElement( theObjId );
649 int aType = anElem->GetType();
652 case SMDSAbs_0DElement : return 0;
653 case SMDSAbs_Edge : return 1;
654 case SMDSAbs_Face : return 2;
655 case SMDSAbs_Volume: return 3;
660 //=================================================================================
661 // function : GetEntities
662 // purpose : Get entities of specified type. Return number of entities
663 //=================================================================================
664 int SMESH_MeshObj::GetNbEntities( const SMDSAbs_ElementType theType) const
670 return myClient->NbNodes();
673 case SMDSAbs_0DElement:
675 return myClient->Nb0DElements();
680 return myClient->NbEdges();
685 return myClient->NbFaces();
690 return myClient->NbVolumes();
699 int SMESH_MeshObj::GetEntities( const SMDSAbs_ElementType theType, TEntityList& theObjs ) const
707 SMDS_NodeIteratorPtr anIter = myClient->nodesIterator();
708 while ( anIter->more() ) theObjs.push_back( anIter->next() );
711 case SMDSAbs_0DElement:
713 SMDS_0DElementIteratorPtr anIter = myClient->elements0dIterator();
714 while ( anIter->more() ) theObjs.push_back( anIter->next() );
719 SMDS_EdgeIteratorPtr anIter = myClient->edgesIterator();
720 while ( anIter->more() ) theObjs.push_back( anIter->next() );
725 SMDS_FaceIteratorPtr anIter = myClient->facesIterator();
726 while ( anIter->more() ) theObjs.push_back( anIter->next() );
731 SMDS_VolumeIteratorPtr anIter = myClient->volumesIterator();
732 while ( anIter->more() ) theObjs.push_back( anIter->next() );
739 return theObjs.size();
742 //=================================================================================
743 // function : UpdateFunctor
744 // purpose : Update functor in accordance with current mesh
745 //=================================================================================
746 void SMESH_MeshObj::UpdateFunctor( const SMESH::Controls::FunctorPtr& theFunctor )
748 theFunctor->SetMesh( GetMesh() );
751 //=================================================================================
752 // function : IsNodePrs
753 // purpose : Return true if node presentation is used
754 //=================================================================================
755 bool SMESH_MeshObj::IsNodePrs() const
757 return myClient->Nb0DElements() == 0 && myClient->NbEdges() == 0 && myClient->NbFaces() == 0 && myClient->NbVolumes() == 0 ;
762 Class : SMESH_SubMeshObj
763 Description : Base class for visualisation of submeshes and groups
766 //=================================================================================
767 // function : SMESH_SubMeshObj
768 // purpose : Constructor
769 //=================================================================================
770 SMESH_SubMeshObj::SMESH_SubMeshObj( SMESH_MeshObj* theMeshObj )
772 if ( MYDEBUG ) MESSAGE( "SMESH_SubMeshObj - theMeshObj = " << theMeshObj );
774 myMeshObj = theMeshObj;
777 SMESH_SubMeshObj::~SMESH_SubMeshObj()
781 //=================================================================================
782 // function : GetElemDimension
783 // purpose : Get dimension of element
784 //=================================================================================
785 int SMESH_SubMeshObj::GetElemDimension( const int theObjId )
787 return myMeshObj == 0 ? 0 : myMeshObj->GetElemDimension( theObjId );
790 //=================================================================================
791 // function : UpdateFunctor
792 // purpose : Update functor in accordance with current mesh
793 //=================================================================================
794 void SMESH_SubMeshObj::UpdateFunctor( const SMESH::Controls::FunctorPtr& theFunctor )
796 theFunctor->SetMesh( myMeshObj->GetMesh() );
799 //=================================================================================
801 // purpose : Update mesh object and fill grid with new values
802 //=================================================================================
803 bool SMESH_SubMeshObj::Update( int theIsClear )
805 MESSAGE("SMESH_SubMeshObj::Update " << this)
806 bool changed = myMeshObj->Update( theIsClear );
813 Class : SMESH_GroupObj
814 Description : Class for visualisation of groups
817 //=================================================================================
818 // function : SMESH_GroupObj
819 // purpose : Constructor
820 //=================================================================================
821 SMESH_GroupObj::SMESH_GroupObj( SMESH::SMESH_GroupBase_ptr theGroup,
822 SMESH_MeshObj* theMeshObj )
823 : SMESH_SubMeshObj( theMeshObj ),
824 myGroupServer( SMESH::SMESH_GroupBase::_duplicate(theGroup) )
826 if ( MYDEBUG ) MESSAGE("SMESH_GroupObj - theGroup->_is_nil() = "<<theGroup->_is_nil());
827 myGroupServer->Register();
830 SMESH_GroupObj::~SMESH_GroupObj()
832 if ( MYDEBUG ) MESSAGE("~SMESH_GroupObj");
833 myGroupServer->Destroy();
836 //=================================================================================
837 // function : IsNodePrs
838 // purpose : Return true if node presentation is used
839 //=================================================================================
840 bool SMESH_GroupObj::IsNodePrs() const
842 return myGroupServer->GetType() == SMESH::NODE;
845 //=================================================================================
846 // function : GetElementType
847 // purpose : Return type of elements of group
848 //=================================================================================
849 SMDSAbs_ElementType SMESH_GroupObj::GetElementType() const
851 return SMDSAbs_ElementType(myGroupServer->GetType());
854 //=================================================================================
855 // function : getNodesFromElems
856 // purpose : Retrieve nodes from elements
857 //=================================================================================
858 static int getNodesFromElems( SMESH::long_array_var& theElemIds,
859 const SMDS_Mesh* theMesh,
860 std::list<const SMDS_MeshElement*>& theResList )
862 set<const SMDS_MeshElement*> aNodeSet;
864 for ( CORBA::Long i = 0, n = theElemIds->length(); i < n; i++ )
866 const SMDS_MeshElement* anElem = theMesh->FindElement( theElemIds[ i ] );
869 SMDS_ElemIteratorPtr anIter = anElem->nodesIterator();
870 while ( anIter->more() )
872 const SMDS_MeshElement* aNode = anIter->next();
874 aNodeSet.insert( aNode );
879 set<const SMDS_MeshElement*>::const_iterator anIter;
880 for ( anIter = aNodeSet.begin(); anIter != aNodeSet.end(); ++anIter )
881 theResList.push_back( *anIter );
883 return theResList.size();
886 //=================================================================================
887 // function : getPointers
888 // purpose : Get std::list<const SMDS_MeshElement*> from list of IDs
889 //=================================================================================
890 static int getPointers( const SMDSAbs_ElementType theRequestType,
891 SMESH::long_array_var& theElemIds,
892 const SMDS_Mesh* theMesh,
893 std::list<const SMDS_MeshElement*>& theResList )
895 for ( CORBA::Long i = 0, n = theElemIds->length(); i < n; i++ )
897 const SMDS_MeshElement* anElem = theRequestType == SMDSAbs_Node
898 ? theMesh->FindNode( theElemIds[ i ] ) : theMesh->FindElement( theElemIds[ i ] );
901 theResList.push_back( anElem );
904 return theResList.size();
908 //=================================================================================
909 // function : GetEntities
910 // purpose : Get entities of specified type. Return number of entities
911 //=================================================================================
912 int SMESH_GroupObj::GetNbEntities( const SMDSAbs_ElementType theType) const
914 if(SMDSAbs_ElementType(myGroupServer->GetType()) == theType){
915 return myGroupServer->Size();
920 int SMESH_GroupObj::GetEntities( const SMDSAbs_ElementType theType, TEntityList& theResList ) const
923 SMDS_Mesh* aMesh = myMeshObj->GetMesh();
925 if ( myGroupServer->Size() == 0 || aMesh == 0 )
928 SMDSAbs_ElementType aGrpType = SMDSAbs_ElementType(myGroupServer->GetType());
929 SMESH::long_array_var anIds = myGroupServer->GetListOfID();
931 if ( aGrpType == theType )
932 return getPointers( theType, anIds, aMesh, theResList );
933 else if ( theType == SMDSAbs_Node )
934 return getNodesFromElems( anIds, aMesh, theResList );
942 Class : SMESH_subMeshObj
943 Description : Class for visualisation of submeshes
946 //=================================================================================
947 // function : SMESH_subMeshObj
948 // purpose : Constructor
949 //=================================================================================
950 SMESH_subMeshObj::SMESH_subMeshObj( SMESH::SMESH_subMesh_ptr theSubMesh,
951 SMESH_MeshObj* theMeshObj )
952 : SMESH_SubMeshObj( theMeshObj ),
953 mySubMeshServer( SMESH::SMESH_subMesh::_duplicate( theSubMesh ) )
955 if ( MYDEBUG ) MESSAGE( "SMESH_subMeshObj - theSubMesh->_is_nil() = " << theSubMesh->_is_nil() );
957 mySubMeshServer->Register();
960 SMESH_subMeshObj::~SMESH_subMeshObj()
962 if ( MYDEBUG ) MESSAGE( "~SMESH_subMeshObj" );
963 mySubMeshServer->Destroy();
966 //=================================================================================
967 // function : GetEntities
968 // purpose : Get entities of specified type. Return number of entities
969 //=================================================================================
970 int SMESH_subMeshObj::GetNbEntities( const SMDSAbs_ElementType theType) const
976 return mySubMeshServer->GetNumberOfNodes( false );
979 case SMDSAbs_0DElement:
984 SMESH::long_array_var anIds =
985 mySubMeshServer->GetElementsByType( SMESH::ElementType(theType) );
986 return anIds->length();
994 int SMESH_subMeshObj::GetEntities( const SMDSAbs_ElementType theType, TEntityList& theResList ) const
998 SMDS_Mesh* aMesh = myMeshObj->GetMesh();
1002 bool isNodal = IsNodePrs();
1006 if ( theType == SMDSAbs_Node )
1008 SMESH::long_array_var anIds = mySubMeshServer->GetNodesId();
1009 return getPointers( SMDSAbs_Node, anIds, aMesh, theResList );
1014 if ( theType == SMDSAbs_Node )
1016 SMESH::long_array_var anIds = mySubMeshServer->GetElementsId();
1017 return getNodesFromElems( anIds, aMesh, theResList );
1021 SMESH::long_array_var anIds =
1022 mySubMeshServer->GetElementsByType( SMESH::ElementType(theType) );
1023 return getPointers( theType, anIds, aMesh, theResList );
1030 //=================================================================================
1031 // function : IsNodePrs
1032 // purpose : Return true if node presentation is used
1033 //=================================================================================
1034 bool SMESH_subMeshObj::IsNodePrs() const
1036 return mySubMeshServer->GetNumberOfElements() == 0;