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()
204 mySMDS2VTKNodes.clear();
205 myVTK2SMDSNodes.clear();
206 mySMDS2VTKElems.clear();
207 myVTK2SMDSElems.clear();
216 // TODO: catch inside buildNodePrs and buildElemPrs and free
217 // temporarily allocated objects
218 mySMDS2VTKNodes.clear();
219 myVTK2SMDSNodes.clear();
220 mySMDS2VTKElems.clear();
221 myVTK2SMDSElems.clear();
223 myGrid->SetPoints( 0 );
224 myGrid->SetCells( 0, 0, 0 );
228 if( MYDEBUG ) MESSAGE( "Update - myGrid->GetNumberOfCells() = "<<myGrid->GetNumberOfCells() );
229 if( MYDEBUGWITHFILES ) SMESH::WriteUnstructuredGrid( myGrid,"/tmp/buildPrs" );
232 //=================================================================================
233 // function : buildNodePrs
234 // purpose : create VTK cells for nodes
235 //=================================================================================
236 void SMESH_VisualObjDef::buildNodePrs()
238 // PAL16631: without swap, bad_alloc is not thrown but hung up and crash instead,
239 // so check remaining memory size for safety
240 SMDS_Mesh::CheckMemory(); // PAL16631
241 vtkPoints* aPoints = vtkPoints::New();
242 createPoints( aPoints );
243 SMDS_Mesh::CheckMemory();
244 myGrid->SetPoints( aPoints );
247 myGrid->SetCells( 0, 0, 0 );
250 //=================================================================================
251 // function : buildElemPrs
252 // purpose : Create VTK cells for elements
253 //=================================================================================
256 typedef std::vector<const SMDS_MeshElement*> TConnect;
258 int GetConnect(const SMDS_ElemIteratorPtr& theNodesIter,
259 TConnect& theConnect)
262 for(; theNodesIter->more();)
263 theConnect.push_back(theNodesIter->next());
264 return theConnect.size();
268 void SetId(vtkIdList *theIdList,
269 const SMESH_VisualObjDef::TMapOfIds& theSMDS2VTKNodes,
270 const TConnect& theConnect,
274 theIdList->SetId(thePosition,theSMDS2VTKNodes.find(theConnect[theId]->GetID())->second);
280 void SMESH_VisualObjDef::buildElemPrs()
284 vtkPoints* aPoints = vtkPoints::New();
285 createPoints( aPoints );
286 myGrid->SetPoints( aPoints );
290 MESSAGE("Update - myGrid->GetNumberOfPoints() = "<<myGrid->GetNumberOfPoints());
292 // Calculate cells size
294 static SMDSAbs_ElementType aTypes[ 3 ] = { SMDSAbs_Edge, SMDSAbs_Face, SMDSAbs_Volume };
297 map<SMDSAbs_ElementType,int> nbEnts;
298 map<SMDSAbs_ElementType,TEntityList> anEnts;
300 for ( int i = 0; i <= 2; i++ )
301 nbEnts[ aTypes[ i ] ] = GetEntities( aTypes[ i ], anEnts[ aTypes[ i ] ] );
303 // PAL16631: without swap, bad_alloc is not thrown but hung up and crash instead,
304 // so check remaining memory size for safety
305 SMDS_Mesh::CheckMemory(); // PAL16631
307 vtkIdType aCellsSize = 3 * nbEnts[ SMDSAbs_Edge ];
309 for ( int i = 1; i <= 2; i++ ) // iterate through faces and volumes
311 if ( nbEnts[ aTypes[ i ] ] )
313 const TEntityList& aList = anEnts[ aTypes[ i ] ];
314 TEntityList::const_iterator anIter;
315 for ( anIter = aList.begin(); anIter != aList.end(); ++anIter )
316 aCellsSize += (*anIter)->NbNodes() + 1;
320 vtkIdType aNbCells = nbEnts[ SMDSAbs_Edge ] + nbEnts[ SMDSAbs_Face ] + nbEnts[ SMDSAbs_Volume ];
323 MESSAGE( "Update - aNbCells = "<<aNbCells<<"; aCellsSize = "<<aCellsSize );
327 vtkCellArray* aConnectivity = vtkCellArray::New();
328 aConnectivity->Allocate( aCellsSize, 0 );
330 SMDS_Mesh::CheckMemory(); // PAL16631
332 vtkUnsignedCharArray* aCellTypesArray = vtkUnsignedCharArray::New();
333 aCellTypesArray->SetNumberOfComponents( 1 );
334 aCellTypesArray->Allocate( aNbCells * aCellTypesArray->GetNumberOfComponents() );
336 SMDS_Mesh::CheckMemory(); // PAL16631
338 vtkIdList *anIdList = vtkIdList::New();
342 aConnect.reserve(VTK_CELL_SIZE);
344 SMDS_Mesh::CheckMemory(); // PAL16631
346 for ( int i = 0; i <= 2; i++ ) // iterate through edges, faces and volumes
348 if( nbEnts[ aTypes[ i ] ] > 0 )
350 const SMDSAbs_ElementType& aType = aTypes[ i ];
351 const TEntityList& aList = anEnts[ aType ];
352 TEntityList::const_iterator anIter;
353 for ( anIter = aList.begin(); anIter != aList.end(); ++anIter )
355 const SMDS_MeshElement* anElem = *anIter;
357 vtkIdType aNbNodes = anElem->NbNodes();
358 anIdList->SetNumberOfIds( aNbNodes );
360 int anId = anElem->GetID();
362 mySMDS2VTKElems.insert( TMapOfIds::value_type( anId, iElem ) );
363 myVTK2SMDSElems.insert( TMapOfIds::value_type( iElem, anId ) );
365 SMDS_ElemIteratorPtr aNodesIter = anElem->nodesIterator();
367 case SMDSAbs_Volume:{
369 std::vector<int> aConnectivities;
370 // Convertions connectivities from SMDS to VTK
371 if (anElem->IsPoly() && aNbNodes > 3) { // POLYEDRE
373 if ( const SMDS_PolyhedralVolumeOfNodes* ph =
374 dynamic_cast<const SMDS_PolyhedralVolumeOfNodes*> (anElem))
376 aNbNodes = GetConnect(ph->uniqueNodesIterator(),aConnect);
377 anIdList->SetNumberOfIds( aNbNodes );
379 for (int k = 0; k < aNbNodes; k++)
380 aConnectivities.push_back(k);
382 } else if (aNbNodes == 4) {
383 static int anIds[] = {0,2,1,3};
384 for (int k = 0; k < aNbNodes; k++) aConnectivities.push_back(anIds[k]);
386 } else if (aNbNodes == 5) {
387 static int anIds[] = {0,3,2,1,4};
388 for (int k = 0; k < aNbNodes; k++) aConnectivities.push_back(anIds[k]);
390 } else if (aNbNodes == 6) {
391 static int anIds[] = {0,1,2,3,4,5};
392 for (int k = 0; k < aNbNodes; k++) aConnectivities.push_back(anIds[k]);
395 else if (aNbNodes == 8) {
396 static int anIds[] = {0,3,2,1,4,7,6,5};
397 for (int k = 0; k < aNbNodes; k++) aConnectivities.push_back(anIds[k]);
400 else if (aNbNodes == 10) {
401 static int anIds[] = {0,2,1,3,6,5,4,7,9,8};
402 for (int k = 0; k < aNbNodes; k++) aConnectivities.push_back(anIds[k]);
404 else if (aNbNodes == 13) {
405 static int anIds[] = {0,3,2,1,4,8,7,6,5,9,12,11,10};
406 for (int k = 0; k < aNbNodes; k++) aConnectivities.push_back(anIds[k]);
408 else if (aNbNodes == 15) {
409 static int anIds[] = {0,2,1,3,5,4,8,7,6,11,10,9,12,14,13};
410 for (int k = 0; k < aNbNodes; k++) aConnectivities.push_back(anIds[k]);
411 //for (int k = 0; k < aNbNodes; k++) {
412 // int nn = aConnectivities[k];
413 // const SMDS_MeshNode* N = static_cast<const SMDS_MeshNode*> (aConnect[nn]);
414 // cout<<"k="<<k<<" N("<<N->X()<<","<<N->Y()<<","<<N->Z()<<")"<<endl;
417 else if (aNbNodes == 20) {
418 static int anIds[] = {0,3,2,1,4,7,6,5,11,10,9,8,15,14,13,12,16,19,18,17};
419 for (int k = 0; k < aNbNodes; k++) aConnectivities.push_back(anIds[k]);
424 if ( aConnect.empty() )
425 GetConnect(aNodesIter,aConnect);
427 if (aConnectivities.size() > 0) {
428 for (vtkIdType aNodeId = 0; aNodeId < aNbNodes; aNodeId++)
429 SetId(anIdList,mySMDS2VTKNodes,aConnect,aNodeId,aConnectivities[aNodeId]);
434 for( vtkIdType aNodeId = 0; aNodesIter->more(); aNodeId++ ){
435 const SMDS_MeshElement* aNode = aNodesIter->next();
436 anIdList->SetId( aNodeId, mySMDS2VTKNodes[aNode->GetID()] );
440 aConnectivity->InsertNextCell( anIdList );
441 aCellTypesArray->InsertNextValue( getCellType( aType, anElem->IsPoly(), aNbNodes ) );
446 SMDS_Mesh::CheckMemory(); // PAL16631
449 // Insert cells in grid
451 VTKViewer_CellLocationsArray* aCellLocationsArray = VTKViewer_CellLocationsArray::New();
452 aCellLocationsArray->SetNumberOfComponents( 1 );
453 aCellLocationsArray->SetNumberOfTuples( aNbCells );
455 SMDS_Mesh::CheckMemory(); // PAL16631
457 aConnectivity->InitTraversal();
458 for( vtkIdType idType = 0, *pts, npts; aConnectivity->GetNextCell( npts, pts ); idType++ )
459 aCellLocationsArray->SetValue( idType, aConnectivity->GetTraversalLocation( npts ) );
461 myGrid->SetCells( aCellTypesArray, aCellLocationsArray,aConnectivity );
463 aCellLocationsArray->Delete();
464 aCellTypesArray->Delete();
465 aConnectivity->Delete();
468 SMDS_Mesh::CheckMemory(); // PAL16631
471 //=================================================================================
472 // function : GetEdgeNodes
473 // purpose : Retrieve ids of nodes from edge of elements ( edge is numbered from 1 )
474 //=================================================================================
475 bool SMESH_VisualObjDef::GetEdgeNodes( const int theElemId,
476 const int theEdgeNum,
478 int& theNodeId2 ) const
480 const SMDS_Mesh* aMesh = GetMesh();
484 const SMDS_MeshElement* anElem = aMesh->FindElement( theElemId );
488 int nbNodes = anElem->NbNodes();
490 if ( theEdgeNum < 0 || theEdgeNum > 3 || nbNodes != 3 && nbNodes != 4 || theEdgeNum > nbNodes )
493 int anIds[ nbNodes ];
494 SMDS_ElemIteratorPtr anIter = anElem->nodesIterator();
496 while( anIter->more() )
497 anIds[ i++ ] = anIter->next()->GetID();
499 if ( theEdgeNum < nbNodes - 1 )
501 theNodeId1 = anIds[ theEdgeNum ];
502 theNodeId2 = anIds[ theEdgeNum + 1 ];
506 theNodeId1 = anIds[ nbNodes - 1 ];
507 theNodeId2 = anIds[ 0 ];
514 Class : SMESH_MeshObj
515 Description : Class for visualisation of mesh
518 //=================================================================================
519 // function : SMESH_MeshObj
520 // purpose : Constructor
521 //=================================================================================
522 SMESH_MeshObj::SMESH_MeshObj(SMESH::SMESH_Mesh_ptr theMesh):
523 myClient(SalomeApp_Application::orb(),theMesh)
526 MESSAGE("SMESH_MeshObj - this = "<<this<<"; theMesh->_is_nil() = "<<theMesh->_is_nil());
529 //=================================================================================
530 // function : ~SMESH_MeshObj
531 // purpose : Destructor
532 //=================================================================================
533 SMESH_MeshObj::~SMESH_MeshObj()
536 MESSAGE("SMESH_MeshObj - this = "<<this<<"\n");
539 //=================================================================================
541 // purpose : Update mesh and fill grid with new values if necessary
542 //=================================================================================
543 bool SMESH_MeshObj::Update( int theIsClear )
545 // Update SMDS_Mesh on client part
546 if ( myClient.Update(theIsClear) || GetUnstructuredGrid()->GetNumberOfPoints()==0) {
547 buildPrs(); // Fill unstructured grid
553 //=================================================================================
554 // function : GetElemDimension
555 // purpose : Get dimension of element
556 //=================================================================================
557 int SMESH_MeshObj::GetElemDimension( const int theObjId )
559 const SMDS_MeshElement* anElem = myClient->FindElement( theObjId );
563 int aType = anElem->GetType();
566 case SMDSAbs_Edge : return 1;
567 case SMDSAbs_Face : return 2;
568 case SMDSAbs_Volume: return 3;
573 //=================================================================================
574 // function : GetEntities
575 // purpose : Get entities of specified type. Return number of entities
576 //=================================================================================
577 int SMESH_MeshObj::GetNbEntities( const SMDSAbs_ElementType theType) const
583 return myClient->NbNodes();
588 return myClient->NbEdges();
593 return myClient->NbFaces();
598 return myClient->NbVolumes();
607 int SMESH_MeshObj::GetEntities( const SMDSAbs_ElementType theType, TEntityList& theObjs ) const
615 SMDS_NodeIteratorPtr anIter = myClient->nodesIterator();
616 while ( anIter->more() ) theObjs.push_back( anIter->next() );
621 SMDS_EdgeIteratorPtr anIter = myClient->edgesIterator();
622 while ( anIter->more() ) theObjs.push_back( anIter->next() );
627 SMDS_FaceIteratorPtr anIter = myClient->facesIterator();
628 while ( anIter->more() ) theObjs.push_back( anIter->next() );
633 SMDS_VolumeIteratorPtr anIter = myClient->volumesIterator();
634 while ( anIter->more() ) theObjs.push_back( anIter->next() );
641 return theObjs.size();
644 //=================================================================================
645 // function : UpdateFunctor
646 // purpose : Update functor in accordance with current mesh
647 //=================================================================================
648 void SMESH_MeshObj::UpdateFunctor( const SMESH::Controls::FunctorPtr& theFunctor )
650 theFunctor->SetMesh( GetMesh() );
653 //=================================================================================
654 // function : IsNodePrs
655 // purpose : Return true if node presentation is used
656 //=================================================================================
657 bool SMESH_MeshObj::IsNodePrs() const
659 return myClient->NbEdges() == 0 &&myClient->NbFaces() == 0 && myClient->NbVolumes() == 0 ;
664 Class : SMESH_SubMeshObj
665 Description : Base class for visualisation of submeshes and groups
668 //=================================================================================
669 // function : SMESH_SubMeshObj
670 // purpose : Constructor
671 //=================================================================================
672 SMESH_SubMeshObj::SMESH_SubMeshObj( SMESH_MeshObj* theMeshObj )
674 if ( MYDEBUG ) MESSAGE( "SMESH_SubMeshObj - theMeshObj = " << theMeshObj );
676 myMeshObj = theMeshObj;
679 SMESH_SubMeshObj::~SMESH_SubMeshObj()
683 //=================================================================================
684 // function : GetElemDimension
685 // purpose : Get dimension of element
686 //=================================================================================
687 int SMESH_SubMeshObj::GetElemDimension( const int theObjId )
689 return myMeshObj == 0 ? 0 : myMeshObj->GetElemDimension( theObjId );
692 //=================================================================================
693 // function : UpdateFunctor
694 // purpose : Update functor in accordance with current mesh
695 //=================================================================================
696 void SMESH_SubMeshObj::UpdateFunctor( const SMESH::Controls::FunctorPtr& theFunctor )
698 theFunctor->SetMesh( myMeshObj->GetMesh() );
701 //=================================================================================
703 // purpose : Update mesh object and fill grid with new values
704 //=================================================================================
705 bool SMESH_SubMeshObj::Update( int theIsClear )
707 bool changed = myMeshObj->Update( theIsClear );
714 Class : SMESH_GroupObj
715 Description : Class for visualisation of groups
718 //=================================================================================
719 // function : SMESH_GroupObj
720 // purpose : Constructor
721 //=================================================================================
722 SMESH_GroupObj::SMESH_GroupObj( SMESH::SMESH_GroupBase_ptr theGroup,
723 SMESH_MeshObj* theMeshObj )
724 : SMESH_SubMeshObj( theMeshObj ),
725 myGroupServer( SMESH::SMESH_GroupBase::_duplicate(theGroup) )
727 if ( MYDEBUG ) MESSAGE("SMESH_GroupObj - theGroup->_is_nil() = "<<theGroup->_is_nil());
728 myGroupServer->Register();
731 SMESH_GroupObj::~SMESH_GroupObj()
733 if ( MYDEBUG ) MESSAGE("~SMESH_GroupObj");
734 myGroupServer->Destroy();
737 //=================================================================================
738 // function : IsNodePrs
739 // purpose : Return true if node presentation is used
740 //=================================================================================
741 bool SMESH_GroupObj::IsNodePrs() const
743 return myGroupServer->GetType() == SMESH::NODE;
746 //=================================================================================
747 // function : getNodesFromElems
748 // purpose : Retrieve nodes from elements
749 //=================================================================================
750 static int getNodesFromElems( SMESH::long_array_var& theElemIds,
751 const SMDS_Mesh* theMesh,
752 std::list<const SMDS_MeshElement*>& theResList )
754 set<const SMDS_MeshElement*> aNodeSet;
756 for ( CORBA::Long i = 0, n = theElemIds->length(); i < n; i++ )
758 const SMDS_MeshElement* anElem = theMesh->FindElement( theElemIds[ i ] );
761 SMDS_ElemIteratorPtr anIter = anElem->nodesIterator();
762 while ( anIter->more() )
764 const SMDS_MeshElement* aNode = anIter->next();
766 aNodeSet.insert( aNode );
771 set<const SMDS_MeshElement*>::const_iterator anIter;
772 for ( anIter = aNodeSet.begin(); anIter != aNodeSet.end(); ++anIter )
773 theResList.push_back( *anIter );
775 return theResList.size();
778 //=================================================================================
779 // function : getPointers
780 // purpose : Get std::list<const SMDS_MeshElement*> from list of IDs
781 //=================================================================================
782 static int getPointers( const SMDSAbs_ElementType theRequestType,
783 SMESH::long_array_var& theElemIds,
784 const SMDS_Mesh* theMesh,
785 std::list<const SMDS_MeshElement*>& theResList )
787 for ( CORBA::Long i = 0, n = theElemIds->length(); i < n; i++ )
789 const SMDS_MeshElement* anElem = theRequestType == SMDSAbs_Node
790 ? theMesh->FindNode( theElemIds[ i ] ) : theMesh->FindElement( theElemIds[ i ] );
793 theResList.push_back( anElem );
796 return theResList.size();
800 //=================================================================================
801 // function : GetEntities
802 // purpose : Get entities of specified type. Return number of entities
803 //=================================================================================
804 int SMESH_GroupObj::GetNbEntities( const SMDSAbs_ElementType theType) const
806 if(SMDSAbs_ElementType(myGroupServer->GetType()) == theType){
807 return myGroupServer->Size();
812 int SMESH_GroupObj::GetEntities( const SMDSAbs_ElementType theType, TEntityList& theResList ) const
815 SMDS_Mesh* aMesh = myMeshObj->GetMesh();
817 if ( myGroupServer->Size() == 0 || aMesh == 0 )
820 SMDSAbs_ElementType aGrpType = SMDSAbs_ElementType(myGroupServer->GetType());
821 SMESH::long_array_var anIds = myGroupServer->GetListOfID();
823 if ( aGrpType == theType )
824 return getPointers( theType, anIds, aMesh, theResList );
825 else if ( theType == SMDSAbs_Node )
826 return getNodesFromElems( anIds, aMesh, theResList );
834 Class : SMESH_subMeshObj
835 Description : Class for visualisation of submeshes
838 //=================================================================================
839 // function : SMESH_subMeshObj
840 // purpose : Constructor
841 //=================================================================================
842 SMESH_subMeshObj::SMESH_subMeshObj( SMESH::SMESH_subMesh_ptr theSubMesh,
843 SMESH_MeshObj* theMeshObj )
844 : SMESH_SubMeshObj( theMeshObj ),
845 mySubMeshServer( SMESH::SMESH_subMesh::_duplicate( theSubMesh ) )
847 if ( MYDEBUG ) MESSAGE( "SMESH_subMeshObj - theSubMesh->_is_nil() = " << theSubMesh->_is_nil() );
849 mySubMeshServer->Register();
852 SMESH_subMeshObj::~SMESH_subMeshObj()
854 if ( MYDEBUG ) MESSAGE( "~SMESH_subMeshObj" );
855 mySubMeshServer->Destroy();
858 //=================================================================================
859 // function : GetEntities
860 // purpose : Get entities of specified type. Return number of entities
861 //=================================================================================
862 int SMESH_subMeshObj::GetNbEntities( const SMDSAbs_ElementType theType) const
868 return mySubMeshServer->GetNumberOfNodes( false );
875 SMESH::long_array_var anIds =
876 mySubMeshServer->GetElementsByType( SMESH::ElementType(theType) );
877 return anIds->length();
885 int SMESH_subMeshObj::GetEntities( const SMDSAbs_ElementType theType, TEntityList& theResList ) const
889 SMDS_Mesh* aMesh = myMeshObj->GetMesh();
893 bool isNodal = IsNodePrs();
897 if ( theType == SMDSAbs_Node )
899 SMESH::long_array_var anIds = mySubMeshServer->GetNodesId();
900 return getPointers( SMDSAbs_Node, anIds, aMesh, theResList );
905 if ( theType == SMDSAbs_Node )
907 SMESH::long_array_var anIds = mySubMeshServer->GetElementsId();
908 return getNodesFromElems( anIds, aMesh, theResList );
912 SMESH::long_array_var anIds =
913 mySubMeshServer->GetElementsByType( SMESH::ElementType(theType) );
914 return getPointers( theType, anIds, aMesh, theResList );
921 //=================================================================================
922 // function : IsNodePrs
923 // purpose : Return true if node presentation is used
924 //=================================================================================
925 bool SMESH_subMeshObj::IsNodePrs() const
927 return mySubMeshServer->GetNumberOfElements() == 0;