1 // SMESH OBJECT : interactive object for SMESH visualization
3 // Copyright (C) 2003 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
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 = 0;
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 )
91 if( theNbNodes == 2 ) return VTK_LINE;
92 else if ( theNbNodes == 3 ) return VTK_QUADRATIC_EDGE;
93 else return VTK_EMPTY_CELL;
96 if (thePoly && theNbNodes>2 ) return VTK_POLYGON;
97 else if ( theNbNodes == 3 ) return VTK_TRIANGLE;
98 else if ( theNbNodes == 4 ) return VTK_QUAD;
99 else if ( theNbNodes == 6 ) return VTK_QUADRATIC_TRIANGLE;
100 else if ( theNbNodes == 8 ) return VTK_QUADRATIC_QUAD;
101 else return VTK_EMPTY_CELL;
104 if (thePoly && theNbNodes>3 ) return VTK_CONVEX_POINT_SET;
105 else if ( theNbNodes == 4 ) return VTK_TETRA;
106 else if ( theNbNodes == 5 ) return VTK_PYRAMID;
107 else if ( theNbNodes == 6 ) return VTK_WEDGE;
108 else if ( theNbNodes == 8 ) return VTK_HEXAHEDRON;
109 else if ( theNbNodes == 10 ) {
110 return VTK_QUADRATIC_TETRA;
112 else if ( theNbNodes == 20 ) {
113 return VTK_QUADRATIC_HEXAHEDRON;
115 else if ( theNbNodes==13 || theNbNodes==15 ) {
116 return VTK_CONVEX_POINT_SET;
118 else return VTK_EMPTY_CELL;
120 default: return VTK_EMPTY_CELL;
124 //=================================================================================
125 // functions : SMESH_VisualObjDef
126 // purpose : Constructor
127 //=================================================================================
128 SMESH_VisualObjDef::SMESH_VisualObjDef()
130 myGrid = vtkUnstructuredGrid::New();
132 SMESH_VisualObjDef::~SMESH_VisualObjDef()
135 MESSAGE( "~SMESH_MeshObj - myGrid->GetReferenceCount() = " << myGrid->GetReferenceCount() );
139 //=================================================================================
140 // functions : GetNodeObjId, GetNodeVTKId, GetElemObjId, GetElemVTKId
141 // purpose : Methods for retrieving VTK IDs by SMDS IDs and vice versa
142 //=================================================================================
143 vtkIdType SMESH_VisualObjDef::GetNodeObjId( int theVTKID )
145 return myVTK2SMDSNodes.find(theVTKID) == myVTK2SMDSNodes.end() ? -1 : myVTK2SMDSNodes[theVTKID];
148 vtkIdType SMESH_VisualObjDef::GetNodeVTKId( int theObjID )
150 return mySMDS2VTKNodes.find(theObjID) == mySMDS2VTKNodes.end() ? -1 : mySMDS2VTKNodes[theObjID];
153 vtkIdType SMESH_VisualObjDef::GetElemObjId( int theVTKID )
155 return myVTK2SMDSElems.find(theVTKID) == myVTK2SMDSElems.end() ? -1 : myVTK2SMDSElems[theVTKID];
158 vtkIdType SMESH_VisualObjDef::GetElemVTKId( int theObjID )
160 return mySMDS2VTKElems.find(theObjID) == mySMDS2VTKElems.end() ? -1 : mySMDS2VTKElems[theObjID];
163 //=================================================================================
164 // function : SMESH_VisualObjDef::createPoints
165 // purpose : Create points from nodes
166 //=================================================================================
167 void SMESH_VisualObjDef::createPoints( vtkPoints* thePoints )
169 if ( thePoints == 0 )
173 vtkIdType nbNodes = GetEntities( SMDSAbs_Node, aNodes );
174 thePoints->SetNumberOfPoints( nbNodes );
178 TEntityList::const_iterator anIter;
179 for ( anIter = aNodes.begin(); anIter != aNodes.end(); ++anIter )
181 const SMDS_MeshNode* aNode = ( const SMDS_MeshNode* )(*anIter);
184 thePoints->SetPoint( nbPoints, aNode->X(), aNode->Y(), aNode->Z() );
185 int anId = aNode->GetID();
186 mySMDS2VTKNodes.insert( TMapOfIds::value_type( anId, nbPoints ) );
187 myVTK2SMDSNodes.insert( TMapOfIds::value_type( nbPoints, anId ) );
192 if ( nbPoints != nbNodes )
193 thePoints->SetNumberOfPoints( nbPoints );
196 //=================================================================================
197 // function : buildPrs
198 // purpose : create VTK cells( fill unstructured grid )
199 //=================================================================================
200 void SMESH_VisualObjDef::buildPrs()
202 // PAL16631(crash after a mesh computation that failed because of lack of memory):
203 // Catch exceptions upper by stack
206 mySMDS2VTKNodes.clear();
207 myVTK2SMDSNodes.clear();
208 mySMDS2VTKElems.clear();
209 myVTK2SMDSElems.clear();
216 // catch( const std::exception& exc )
218 // INFOS("Follow exception was cought:\n\t"<<exc.what());
222 // INFOS("Unknown exception was cought !!!");
225 if( MYDEBUG ) MESSAGE( "Update - myGrid->GetNumberOfCells() = "<<myGrid->GetNumberOfCells() );
226 if( MYDEBUGWITHFILES ) SMESH::WriteUnstructuredGrid( myGrid,"/tmp/buildPrs" );
229 //=================================================================================
230 // function : buildNodePrs
231 // purpose : create VTK cells for nodes
232 //=================================================================================
233 void SMESH_VisualObjDef::buildNodePrs()
235 vtkPoints* aPoints = vtkPoints::New();
236 createPoints( aPoints );
237 myGrid->SetPoints( aPoints );
240 myGrid->SetCells( 0, 0, 0 );
243 //=================================================================================
244 // function : buildElemPrs
245 // purpose : Create VTK cells for elements
246 //=================================================================================
249 typedef std::vector<const SMDS_MeshElement*> TConnect;
251 int GetConnect(const SMDS_ElemIteratorPtr& theNodesIter,
252 TConnect& theConnect)
255 for(; theNodesIter->more();)
256 theConnect.push_back(theNodesIter->next());
257 return theConnect.size();
261 void SetId(vtkIdList *theIdList,
262 const SMESH_VisualObjDef::TMapOfIds& theSMDS2VTKNodes,
263 const TConnect& theConnect,
267 theIdList->SetId(thePosition,theSMDS2VTKNodes.find(theConnect[theId]->GetID())->second);
273 void SMESH_VisualObjDef::buildElemPrs()
277 vtkPoints* aPoints = vtkPoints::New();
278 createPoints( aPoints );
279 myGrid->SetPoints( aPoints );
283 MESSAGE("Update - myGrid->GetNumberOfPoints() = "<<myGrid->GetNumberOfPoints());
285 // Calculate cells size
287 static SMDSAbs_ElementType aTypes[ 3 ] = { SMDSAbs_Edge, SMDSAbs_Face, SMDSAbs_Volume };
290 map<SMDSAbs_ElementType,int> nbEnts;
291 map<SMDSAbs_ElementType,TEntityList> anEnts;
293 for ( int i = 0; i <= 2; i++ )
294 nbEnts[ aTypes[ i ] ] = GetEntities( aTypes[ i ], anEnts[ aTypes[ i ] ] );
296 vtkIdType aCellsSize = 3 * nbEnts[ SMDSAbs_Edge ];
298 for ( int i = 1; i <= 2; i++ ) // iterate through faces and volumes
300 if ( nbEnts[ aTypes[ i ] ] )
302 const TEntityList& aList = anEnts[ aTypes[ i ] ];
303 TEntityList::const_iterator anIter;
304 for ( anIter = aList.begin(); anIter != aList.end(); ++anIter )
305 aCellsSize += (*anIter)->NbNodes() + 1;
309 vtkIdType aNbCells = nbEnts[ SMDSAbs_Edge ] + nbEnts[ SMDSAbs_Face ] + nbEnts[ SMDSAbs_Volume ];
312 MESSAGE( "Update - aNbCells = "<<aNbCells<<"; aCellsSize = "<<aCellsSize );
316 vtkCellArray* aConnectivity = vtkCellArray::New();
317 aConnectivity->Allocate( aCellsSize, 0 );
319 vtkUnsignedCharArray* aCellTypesArray = vtkUnsignedCharArray::New();
320 aCellTypesArray->SetNumberOfComponents( 1 );
321 aCellTypesArray->Allocate( aNbCells * aCellTypesArray->GetNumberOfComponents() );
323 vtkIdList *anIdList = vtkIdList::New();
327 aConnect.reserve(VTK_CELL_SIZE);
329 for ( int i = 0; i <= 2; i++ ) // iterate through edges, faces and volumes
331 if( nbEnts[ aTypes[ i ] ] > 0 )
333 const SMDSAbs_ElementType& aType = aTypes[ i ];
334 const TEntityList& aList = anEnts[ aType ];
335 TEntityList::const_iterator anIter;
336 for ( anIter = aList.begin(); anIter != aList.end(); ++anIter )
338 const SMDS_MeshElement* anElem = *anIter;
340 vtkIdType aNbNodes = anElem->NbNodes();
341 anIdList->SetNumberOfIds( aNbNodes );
343 int anId = anElem->GetID();
345 mySMDS2VTKElems.insert( TMapOfIds::value_type( anId, iElem ) );
346 myVTK2SMDSElems.insert( TMapOfIds::value_type( iElem, anId ) );
348 SMDS_ElemIteratorPtr aNodesIter = anElem->nodesIterator();
350 case SMDSAbs_Volume:{
352 std::vector<int> aConnectivities;
353 // Convertions connectivities from SMDS to VTK
354 if (anElem->IsPoly() && aNbNodes > 3) { // POLYEDRE
356 if ( const SMDS_PolyhedralVolumeOfNodes* ph =
357 dynamic_cast<const SMDS_PolyhedralVolumeOfNodes*> (anElem))
359 aNbNodes = GetConnect(ph->uniqueNodesIterator(),aConnect);
360 anIdList->SetNumberOfIds( aNbNodes );
362 for (int k = 0; k < aNbNodes; k++)
363 aConnectivities.push_back(k);
365 } else if (aNbNodes == 4) {
366 static int anIds[] = {0,2,1,3};
367 for (int k = 0; k < aNbNodes; k++) aConnectivities.push_back(anIds[k]);
369 } else if (aNbNodes == 5) {
370 static int anIds[] = {0,3,2,1,4};
371 for (int k = 0; k < aNbNodes; k++) aConnectivities.push_back(anIds[k]);
373 } else if (aNbNodes == 6) {
374 static int anIds[] = {0,1,2,3,4,5};
375 for (int k = 0; k < aNbNodes; k++) aConnectivities.push_back(anIds[k]);
378 else if (aNbNodes == 8) {
379 static int anIds[] = {0,3,2,1,4,7,6,5};
380 for (int k = 0; k < aNbNodes; k++) aConnectivities.push_back(anIds[k]);
383 else if (aNbNodes == 10) {
384 static int anIds[] = {0,2,1,3,6,5,4,7,9,8};
385 for (int k = 0; k < aNbNodes; k++) aConnectivities.push_back(anIds[k]);
387 else if (aNbNodes == 13) {
388 static int anIds[] = {0,3,2,1,4,8,7,6,5,9,12,11,10};
389 for (int k = 0; k < aNbNodes; k++) aConnectivities.push_back(anIds[k]);
391 else if (aNbNodes == 15) {
392 static int anIds[] = {0,2,1,3,5,4,8,7,6,11,10,9,12,14,13};
393 for (int k = 0; k < aNbNodes; k++) aConnectivities.push_back(anIds[k]);
394 //for (int k = 0; k < aNbNodes; k++) {
395 // int nn = aConnectivities[k];
396 // const SMDS_MeshNode* N = static_cast<const SMDS_MeshNode*> (aConnect[nn]);
397 // cout<<"k="<<k<<" N("<<N->X()<<","<<N->Y()<<","<<N->Z()<<")"<<endl;
400 else if (aNbNodes == 20) {
401 static int anIds[] = {0,3,2,1,4,7,6,5,11,10,9,8,15,14,13,12,16,19,18,17};
402 for (int k = 0; k < aNbNodes; k++) aConnectivities.push_back(anIds[k]);
407 if ( aConnect.empty() )
408 GetConnect(aNodesIter,aConnect);
410 if (aConnectivities.size() > 0) {
411 for (vtkIdType aNodeId = 0; aNodeId < aNbNodes; aNodeId++)
412 SetId(anIdList,mySMDS2VTKNodes,aConnect,aNodeId,aConnectivities[aNodeId]);
417 for( vtkIdType aNodeId = 0; aNodesIter->more(); aNodeId++ ){
418 const SMDS_MeshElement* aNode = aNodesIter->next();
419 anIdList->SetId( aNodeId, mySMDS2VTKNodes[aNode->GetID()] );
423 aConnectivity->InsertNextCell( anIdList );
424 aCellTypesArray->InsertNextValue( getCellType( aType, anElem->IsPoly(), aNbNodes ) );
431 // Insert cells in grid
433 VTKViewer_CellLocationsArray* aCellLocationsArray = VTKViewer_CellLocationsArray::New();
434 aCellLocationsArray->SetNumberOfComponents( 1 );
435 aCellLocationsArray->SetNumberOfTuples( aNbCells );
437 aConnectivity->InitTraversal();
438 for( vtkIdType idType = 0, *pts, npts; aConnectivity->GetNextCell( npts, pts ); idType++ )
439 aCellLocationsArray->SetValue( idType, aConnectivity->GetTraversalLocation( npts ) );
441 myGrid->SetCells( aCellTypesArray, aCellLocationsArray,aConnectivity );
443 aCellLocationsArray->Delete();
444 aCellTypesArray->Delete();
445 aConnectivity->Delete();
449 //=================================================================================
450 // function : GetEdgeNodes
451 // purpose : Retrieve ids of nodes from edge of elements ( edge is numbered from 1 )
452 //=================================================================================
453 bool SMESH_VisualObjDef::GetEdgeNodes( const int theElemId,
454 const int theEdgeNum,
456 int& theNodeId2 ) const
458 const SMDS_Mesh* aMesh = GetMesh();
462 const SMDS_MeshElement* anElem = aMesh->FindElement( theElemId );
466 int nbNodes = anElem->NbNodes();
468 if ( theEdgeNum < 0 || theEdgeNum > 3 || nbNodes != 3 && nbNodes != 4 || theEdgeNum > nbNodes )
471 vector<int> anIds( nbNodes );
472 SMDS_ElemIteratorPtr anIter = anElem->nodesIterator();
474 while( anIter->more() )
475 anIds[ i++ ] = anIter->next()->GetID();
477 if ( theEdgeNum < nbNodes - 1 )
479 theNodeId1 = anIds[ theEdgeNum ];
480 theNodeId2 = anIds[ theEdgeNum + 1 ];
484 theNodeId1 = anIds[ nbNodes - 1 ];
485 theNodeId2 = anIds[ 0 ];
492 Class : SMESH_MeshObj
493 Description : Class for visualisation of mesh
496 //=================================================================================
497 // function : SMESH_MeshObj
498 // purpose : Constructor
499 //=================================================================================
500 SMESH_MeshObj::SMESH_MeshObj(SMESH::SMESH_Mesh_ptr theMesh):
501 myClient(SalomeApp_Application::orb(),theMesh)
504 MESSAGE("SMESH_MeshObj - this = "<<this<<"; theMesh->_is_nil() = "<<theMesh->_is_nil());
507 //=================================================================================
508 // function : ~SMESH_MeshObj
509 // purpose : Destructor
510 //=================================================================================
511 SMESH_MeshObj::~SMESH_MeshObj()
514 MESSAGE("SMESH_MeshObj - this = "<<this<<"\n");
517 //=================================================================================
519 // purpose : Update mesh and fill grid with new values if necessary
520 //=================================================================================
521 bool SMESH_MeshObj::Update( int theIsClear )
523 // Update SMDS_Mesh on client part
524 if ( myClient.Update(theIsClear) || GetUnstructuredGrid()->GetNumberOfPoints()==0) {
525 buildPrs(); // Fill unstructured grid
531 //=================================================================================
532 // function : GetElemDimension
533 // purpose : Get dimension of element
534 //=================================================================================
535 int SMESH_MeshObj::GetElemDimension( const int theObjId )
537 const SMDS_MeshElement* anElem = myClient->FindElement( theObjId );
541 int aType = anElem->GetType();
544 case SMDSAbs_Edge : return 1;
545 case SMDSAbs_Face : return 2;
546 case SMDSAbs_Volume: return 3;
551 //=================================================================================
552 // function : GetEntities
553 // purpose : Get entities of specified type. Return number of entities
554 //=================================================================================
555 int SMESH_MeshObj::GetNbEntities( const SMDSAbs_ElementType theType) const
561 return myClient->NbNodes();
566 return myClient->NbEdges();
571 return myClient->NbFaces();
576 return myClient->NbVolumes();
585 int SMESH_MeshObj::GetEntities( const SMDSAbs_ElementType theType, TEntityList& theObjs ) const
593 SMDS_NodeIteratorPtr anIter = myClient->nodesIterator();
594 while ( anIter->more() ) theObjs.push_back( anIter->next() );
599 SMDS_EdgeIteratorPtr anIter = myClient->edgesIterator();
600 while ( anIter->more() ) theObjs.push_back( anIter->next() );
605 SMDS_FaceIteratorPtr anIter = myClient->facesIterator();
606 while ( anIter->more() ) theObjs.push_back( anIter->next() );
611 SMDS_VolumeIteratorPtr anIter = myClient->volumesIterator();
612 while ( anIter->more() ) theObjs.push_back( anIter->next() );
619 return theObjs.size();
622 //=================================================================================
623 // function : UpdateFunctor
624 // purpose : Update functor in accordance with current mesh
625 //=================================================================================
626 void SMESH_MeshObj::UpdateFunctor( const SMESH::Controls::FunctorPtr& theFunctor )
628 theFunctor->SetMesh( GetMesh() );
631 //=================================================================================
632 // function : IsNodePrs
633 // purpose : Return true if node presentation is used
634 //=================================================================================
635 bool SMESH_MeshObj::IsNodePrs() const
637 return myClient->NbEdges() == 0 &&myClient->NbFaces() == 0 && myClient->NbVolumes() == 0 ;
642 Class : SMESH_SubMeshObj
643 Description : Base class for visualisation of submeshes and groups
646 //=================================================================================
647 // function : SMESH_SubMeshObj
648 // purpose : Constructor
649 //=================================================================================
650 SMESH_SubMeshObj::SMESH_SubMeshObj( SMESH_MeshObj* theMeshObj )
652 if ( MYDEBUG ) MESSAGE( "SMESH_SubMeshObj - theMeshObj = " << theMeshObj );
654 myMeshObj = theMeshObj;
657 SMESH_SubMeshObj::~SMESH_SubMeshObj()
661 //=================================================================================
662 // function : GetElemDimension
663 // purpose : Get dimension of element
664 //=================================================================================
665 int SMESH_SubMeshObj::GetElemDimension( const int theObjId )
667 return myMeshObj == 0 ? 0 : myMeshObj->GetElemDimension( theObjId );
670 //=================================================================================
671 // function : UpdateFunctor
672 // purpose : Update functor in accordance with current mesh
673 //=================================================================================
674 void SMESH_SubMeshObj::UpdateFunctor( const SMESH::Controls::FunctorPtr& theFunctor )
676 theFunctor->SetMesh( myMeshObj->GetMesh() );
679 //=================================================================================
681 // purpose : Update mesh object and fill grid with new values
682 //=================================================================================
683 bool SMESH_SubMeshObj::Update( int theIsClear )
685 bool changed = myMeshObj->Update( theIsClear );
692 Class : SMESH_GroupObj
693 Description : Class for visualisation of groups
696 //=================================================================================
697 // function : SMESH_GroupObj
698 // purpose : Constructor
699 //=================================================================================
700 SMESH_GroupObj::SMESH_GroupObj( SMESH::SMESH_GroupBase_ptr theGroup,
701 SMESH_MeshObj* theMeshObj )
702 : SMESH_SubMeshObj( theMeshObj ),
703 myGroupServer( SMESH::SMESH_GroupBase::_duplicate(theGroup) )
705 if ( MYDEBUG ) MESSAGE("SMESH_GroupObj - theGroup->_is_nil() = "<<theGroup->_is_nil());
706 myGroupServer->Register();
709 SMESH_GroupObj::~SMESH_GroupObj()
711 if ( MYDEBUG ) MESSAGE("~SMESH_GroupObj");
712 myGroupServer->Destroy();
715 //=================================================================================
716 // function : IsNodePrs
717 // purpose : Return true if node presentation is used
718 //=================================================================================
719 bool SMESH_GroupObj::IsNodePrs() const
721 return myGroupServer->GetType() == SMESH::NODE;
724 //=================================================================================
725 // function : getNodesFromElems
726 // purpose : Retrieve nodes from elements
727 //=================================================================================
728 static int getNodesFromElems( SMESH::long_array_var& theElemIds,
729 const SMDS_Mesh* theMesh,
730 std::list<const SMDS_MeshElement*>& theResList )
732 set<const SMDS_MeshElement*> aNodeSet;
734 for ( CORBA::Long i = 0, n = theElemIds->length(); i < n; i++ )
736 const SMDS_MeshElement* anElem = theMesh->FindElement( theElemIds[ i ] );
739 SMDS_ElemIteratorPtr anIter = anElem->nodesIterator();
740 while ( anIter->more() )
742 const SMDS_MeshElement* aNode = anIter->next();
744 aNodeSet.insert( aNode );
749 set<const SMDS_MeshElement*>::const_iterator anIter;
750 for ( anIter = aNodeSet.begin(); anIter != aNodeSet.end(); ++anIter )
751 theResList.push_back( *anIter );
753 return theResList.size();
756 //=================================================================================
757 // function : getPointers
758 // purpose : Get std::list<const SMDS_MeshElement*> from list of IDs
759 //=================================================================================
760 static int getPointers( const SMDSAbs_ElementType theRequestType,
761 SMESH::long_array_var& theElemIds,
762 const SMDS_Mesh* theMesh,
763 std::list<const SMDS_MeshElement*>& theResList )
765 for ( CORBA::Long i = 0, n = theElemIds->length(); i < n; i++ )
767 const SMDS_MeshElement* anElem = theRequestType == SMDSAbs_Node
768 ? theMesh->FindNode( theElemIds[ i ] ) : theMesh->FindElement( theElemIds[ i ] );
771 theResList.push_back( anElem );
774 return theResList.size();
778 //=================================================================================
779 // function : GetEntities
780 // purpose : Get entities of specified type. Return number of entities
781 //=================================================================================
782 int SMESH_GroupObj::GetNbEntities( const SMDSAbs_ElementType theType) const
784 if(SMDSAbs_ElementType(myGroupServer->GetType()) == theType){
785 return myGroupServer->Size();
790 int SMESH_GroupObj::GetEntities( const SMDSAbs_ElementType theType, TEntityList& theResList ) const
793 SMDS_Mesh* aMesh = myMeshObj->GetMesh();
795 if ( myGroupServer->Size() == 0 || aMesh == 0 )
798 SMDSAbs_ElementType aGrpType = SMDSAbs_ElementType(myGroupServer->GetType());
799 SMESH::long_array_var anIds = myGroupServer->GetListOfID();
801 if ( aGrpType == theType )
802 return getPointers( theType, anIds, aMesh, theResList );
803 else if ( theType == SMDSAbs_Node )
804 return getNodesFromElems( anIds, aMesh, theResList );
812 Class : SMESH_subMeshObj
813 Description : Class for visualisation of submeshes
816 //=================================================================================
817 // function : SMESH_subMeshObj
818 // purpose : Constructor
819 //=================================================================================
820 SMESH_subMeshObj::SMESH_subMeshObj( SMESH::SMESH_subMesh_ptr theSubMesh,
821 SMESH_MeshObj* theMeshObj )
822 : SMESH_SubMeshObj( theMeshObj ),
823 mySubMeshServer( SMESH::SMESH_subMesh::_duplicate( theSubMesh ) )
825 if ( MYDEBUG ) MESSAGE( "SMESH_subMeshObj - theSubMesh->_is_nil() = " << theSubMesh->_is_nil() );
827 mySubMeshServer->Register();
830 SMESH_subMeshObj::~SMESH_subMeshObj()
832 if ( MYDEBUG ) MESSAGE( "~SMESH_subMeshObj" );
833 mySubMeshServer->Destroy();
836 //=================================================================================
837 // function : GetEntities
838 // purpose : Get entities of specified type. Return number of entities
839 //=================================================================================
840 int SMESH_subMeshObj::GetNbEntities( const SMDSAbs_ElementType theType) const
846 return mySubMeshServer->GetNumberOfNodes( false );
853 SMESH::long_array_var anIds =
854 mySubMeshServer->GetElementsByType( SMESH::ElementType(theType) );
855 return anIds->length();
863 int SMESH_subMeshObj::GetEntities( const SMDSAbs_ElementType theType, TEntityList& theResList ) const
867 SMDS_Mesh* aMesh = myMeshObj->GetMesh();
871 bool isNodal = IsNodePrs();
875 if ( theType == SMDSAbs_Node )
877 SMESH::long_array_var anIds = mySubMeshServer->GetNodesId();
878 return getPointers( SMDSAbs_Node, anIds, aMesh, theResList );
883 if ( theType == SMDSAbs_Node )
885 SMESH::long_array_var anIds = mySubMeshServer->GetElementsId();
886 return getNodesFromElems( anIds, aMesh, theResList );
890 SMESH::long_array_var anIds =
891 mySubMeshServer->GetElementsByType( SMESH::ElementType(theType) );
892 return getPointers( theType, anIds, aMesh, theResList );
899 //=================================================================================
900 // function : IsNodePrs
901 // purpose : Return true if node presentation is used
902 //=================================================================================
903 bool SMESH_subMeshObj::IsNodePrs() const
905 return mySubMeshServer->GetNumberOfElements() == 0;