1 // Copyright (C) 2007-2008 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
22 // SMESH OBJECT : interactive object for SMESH visualization
23 // File : SMESH_Grid.cxx
24 // Author : Nicolas REJNERI
27 #include "SMESH_ObjectDef.h"
28 #include "SMESH_ActorUtils.h"
30 #include "SMDS_Mesh.hxx"
31 #include "SMDS_PolyhedralVolumeOfNodes.hxx"
32 #include "SMESH_Actor.h"
33 #include "SMESH_ControlsDef.hxx"
34 #include "SalomeApp_Application.h"
35 #include "VTKViewer_ExtractUnstructuredGrid.h"
36 #include "VTKViewer_CellLocationsArray.h"
38 #include CORBA_SERVER_HEADER(SMESH_Gen)
39 #include CORBA_SERVER_HEADER(SALOME_Exception)
42 #include <vtkIdList.h>
43 #include <vtkCellArray.h>
44 #include <vtkUnsignedCharArray.h>
46 #include <vtkUnstructuredGrid.h>
53 #include "utilities.h"
58 #define EXCEPTION(TYPE, MSG) {\
59 std::ostringstream aStream;\
60 aStream<<__FILE__<<"["<<__LINE__<<"]::"<<MSG;\
61 throw TYPE(aStream.str());\
66 static int MYDEBUG = 0;
67 static int MYDEBUGWITHFILES = 0;
69 static int MYDEBUG = 0;
70 static int MYDEBUGWITHFILES = 0;
75 Class : SMESH_VisualObjDef
76 Description : Base class for all mesh objects to be visuilised
79 //=================================================================================
80 // function : getCellType
81 // purpose : Get type of VTK cell
82 //=================================================================================
83 static inline vtkIdType getCellType( const SMDSAbs_ElementType theType,
85 const int theNbNodes )
90 if( theNbNodes == 2 ) return VTK_LINE;
91 else if ( theNbNodes == 3 ) return VTK_QUADRATIC_EDGE;
92 else return VTK_EMPTY_CELL;
95 if (thePoly && theNbNodes>2 ) return VTK_POLYGON;
96 else if ( theNbNodes == 3 ) return VTK_TRIANGLE;
97 else if ( theNbNodes == 4 ) return VTK_QUAD;
98 else if ( theNbNodes == 6 ) return VTK_QUADRATIC_TRIANGLE;
99 else if ( theNbNodes == 8 ) return VTK_QUADRATIC_QUAD;
100 else return VTK_EMPTY_CELL;
103 if (thePoly && theNbNodes>3 ) return VTK_CONVEX_POINT_SET;
104 else if ( theNbNodes == 4 ) return VTK_TETRA;
105 else if ( theNbNodes == 5 ) return VTK_PYRAMID;
106 else if ( theNbNodes == 6 ) return VTK_WEDGE;
107 else if ( theNbNodes == 8 ) return VTK_HEXAHEDRON;
108 else if ( theNbNodes == 10 ) {
109 return VTK_QUADRATIC_TETRA;
111 else if ( theNbNodes == 20 ) {
112 return VTK_QUADRATIC_HEXAHEDRON;
114 else if ( theNbNodes == 15 ) {
115 return VTK_QUADRATIC_WEDGE;
117 else if ( theNbNodes==13 ) {
118 return VTK_CONVEX_POINT_SET;
120 else return VTK_EMPTY_CELL;
122 default: return VTK_EMPTY_CELL;
126 //=================================================================================
127 // functions : SMESH_VisualObjDef
128 // purpose : Constructor
129 //=================================================================================
130 SMESH_VisualObjDef::SMESH_VisualObjDef()
132 myGrid = vtkUnstructuredGrid::New();
134 SMESH_VisualObjDef::~SMESH_VisualObjDef()
137 MESSAGE( "~SMESH_MeshObj - myGrid->GetReferenceCount() = " << myGrid->GetReferenceCount() );
141 //=================================================================================
142 // functions : GetNodeObjId, GetNodeVTKId, GetElemObjId, GetElemVTKId
143 // purpose : Methods for retrieving VTK IDs by SMDS IDs and vice versa
144 //=================================================================================
145 vtkIdType SMESH_VisualObjDef::GetNodeObjId( int theVTKID )
147 return myVTK2SMDSNodes.find(theVTKID) == myVTK2SMDSNodes.end() ? -1 : myVTK2SMDSNodes[theVTKID];
150 vtkIdType SMESH_VisualObjDef::GetNodeVTKId( int theObjID )
152 return mySMDS2VTKNodes.find(theObjID) == mySMDS2VTKNodes.end() ? -1 : mySMDS2VTKNodes[theObjID];
155 vtkIdType SMESH_VisualObjDef::GetElemObjId( int theVTKID )
157 return myVTK2SMDSElems.find(theVTKID) == myVTK2SMDSElems.end() ? -1 : myVTK2SMDSElems[theVTKID];
160 vtkIdType SMESH_VisualObjDef::GetElemVTKId( int theObjID )
162 return mySMDS2VTKElems.find(theObjID) == mySMDS2VTKElems.end() ? -1 : mySMDS2VTKElems[theObjID];
165 //=================================================================================
166 // function : SMESH_VisualObjDef::createPoints
167 // purpose : Create points from nodes
168 //=================================================================================
169 void SMESH_VisualObjDef::createPoints( vtkPoints* thePoints )
171 if ( thePoints == 0 )
175 vtkIdType nbNodes = GetEntities( SMDSAbs_Node, aNodes );
176 thePoints->SetNumberOfPoints( nbNodes );
180 TEntityList::const_iterator anIter;
181 for ( anIter = aNodes.begin(); anIter != aNodes.end(); ++anIter )
183 const SMDS_MeshNode* aNode = ( const SMDS_MeshNode* )(*anIter);
186 thePoints->SetPoint( nbPoints, aNode->X(), aNode->Y(), aNode->Z() );
187 int anId = aNode->GetID();
188 mySMDS2VTKNodes.insert( TMapOfIds::value_type( anId, nbPoints ) );
189 myVTK2SMDSNodes.insert( TMapOfIds::value_type( nbPoints, anId ) );
194 if ( nbPoints != nbNodes )
195 thePoints->SetNumberOfPoints( nbPoints );
198 //=================================================================================
199 // function : buildPrs
200 // purpose : create VTK cells( fill unstructured grid )
201 //=================================================================================
202 void SMESH_VisualObjDef::buildPrs()
206 mySMDS2VTKNodes.clear();
207 myVTK2SMDSNodes.clear();
208 mySMDS2VTKElems.clear();
209 myVTK2SMDSElems.clear();
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 static int anIds[] = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14};
411 for (int k = 0; k < aNbNodes; k++) aConnectivities.push_back(anIds[k]);
412 //for (int k = 0; k < aNbNodes; k++) {
413 // int nn = aConnectivities[k];
414 // const SMDS_MeshNode* N = static_cast<const SMDS_MeshNode*> (aConnect[nn]);
415 // cout<<"k="<<k<<" N("<<N->X()<<","<<N->Y()<<","<<N->Z()<<")"<<endl;
418 else if (aNbNodes == 20) {
419 static int anIds[] = {0,3,2,1,4,7,6,5,11,10,9,8,15,14,13,12,16,19,18,17};
420 for (int k = 0; k < aNbNodes; k++) aConnectivities.push_back(anIds[k]);
425 if ( aConnect.empty() )
426 GetConnect(aNodesIter,aConnect);
428 if (aConnectivities.size() > 0) {
429 for (vtkIdType aNodeId = 0; aNodeId < aNbNodes; aNodeId++)
430 SetId(anIdList,mySMDS2VTKNodes,aConnect,aNodeId,aConnectivities[aNodeId]);
435 for( vtkIdType aNodeId = 0; aNodesIter->more(); aNodeId++ ){
436 const SMDS_MeshElement* aNode = aNodesIter->next();
437 anIdList->SetId( aNodeId, mySMDS2VTKNodes[aNode->GetID()] );
441 aConnectivity->InsertNextCell( anIdList );
442 aCellTypesArray->InsertNextValue( getCellType( aType, anElem->IsPoly(), aNbNodes ) );
447 SMDS_Mesh::CheckMemory(); // PAL16631
450 // Insert cells in grid
452 VTKViewer_CellLocationsArray* aCellLocationsArray = VTKViewer_CellLocationsArray::New();
453 aCellLocationsArray->SetNumberOfComponents( 1 );
454 aCellLocationsArray->SetNumberOfTuples( aNbCells );
456 SMDS_Mesh::CheckMemory(); // PAL16631
458 aConnectivity->InitTraversal();
459 for( vtkIdType idType = 0, *pts, npts; aConnectivity->GetNextCell( npts, pts ); idType++ )
460 aCellLocationsArray->SetValue( idType, aConnectivity->GetTraversalLocation( npts ) );
462 myGrid->SetCells( aCellTypesArray, aCellLocationsArray,aConnectivity );
464 aCellLocationsArray->Delete();
465 aCellTypesArray->Delete();
466 aConnectivity->Delete();
469 SMDS_Mesh::CheckMemory(); // PAL16631
472 //=================================================================================
473 // function : GetEdgeNodes
474 // purpose : Retrieve ids of nodes from edge of elements ( edge is numbered from 1 )
475 //=================================================================================
476 bool SMESH_VisualObjDef::GetEdgeNodes( const int theElemId,
477 const int theEdgeNum,
479 int& theNodeId2 ) const
481 const SMDS_Mesh* aMesh = GetMesh();
485 const SMDS_MeshElement* anElem = aMesh->FindElement( theElemId );
489 int nbNodes = anElem->NbNodes();
491 if ( theEdgeNum < 0 || theEdgeNum > 3 || nbNodes != 3 && nbNodes != 4 || theEdgeNum > nbNodes )
494 vector<int> anIds( nbNodes );
495 SMDS_ElemIteratorPtr anIter = anElem->nodesIterator();
497 while( anIter->more() )
498 anIds[ i++ ] = anIter->next()->GetID();
500 if ( theEdgeNum < nbNodes - 1 )
502 theNodeId1 = anIds[ theEdgeNum ];
503 theNodeId2 = anIds[ theEdgeNum + 1 ];
507 theNodeId1 = anIds[ nbNodes - 1 ];
508 theNodeId2 = anIds[ 0 ];
515 Class : SMESH_MeshObj
516 Description : Class for visualisation of mesh
519 //=================================================================================
520 // function : SMESH_MeshObj
521 // purpose : Constructor
522 //=================================================================================
523 SMESH_MeshObj::SMESH_MeshObj(SMESH::SMESH_Mesh_ptr theMesh):
524 myClient(SalomeApp_Application::orb(),theMesh)
527 MESSAGE("SMESH_MeshObj - this = "<<this<<"; theMesh->_is_nil() = "<<theMesh->_is_nil());
530 //=================================================================================
531 // function : ~SMESH_MeshObj
532 // purpose : Destructor
533 //=================================================================================
534 SMESH_MeshObj::~SMESH_MeshObj()
537 MESSAGE("SMESH_MeshObj - this = "<<this<<"\n");
540 //=================================================================================
542 // purpose : Update mesh and fill grid with new values if necessary
543 //=================================================================================
544 bool SMESH_MeshObj::Update( int theIsClear )
546 // Update SMDS_Mesh on client part
547 if ( myClient.Update(theIsClear) || GetUnstructuredGrid()->GetNumberOfPoints()==0) {
548 buildPrs(); // Fill unstructured grid
554 //=================================================================================
555 // function : GetElemDimension
556 // purpose : Get dimension of element
557 //=================================================================================
558 int SMESH_MeshObj::GetElemDimension( const int theObjId )
560 const SMDS_MeshElement* anElem = myClient->FindElement( theObjId );
564 int aType = anElem->GetType();
567 case SMDSAbs_Edge : return 1;
568 case SMDSAbs_Face : return 2;
569 case SMDSAbs_Volume: return 3;
574 //=================================================================================
575 // function : GetEntities
576 // purpose : Get entities of specified type. Return number of entities
577 //=================================================================================
578 int SMESH_MeshObj::GetNbEntities( const SMDSAbs_ElementType theType) const
584 return myClient->NbNodes();
589 return myClient->NbEdges();
594 return myClient->NbFaces();
599 return myClient->NbVolumes();
608 int SMESH_MeshObj::GetEntities( const SMDSAbs_ElementType theType, TEntityList& theObjs ) const
616 SMDS_NodeIteratorPtr anIter = myClient->nodesIterator();
617 while ( anIter->more() ) theObjs.push_back( anIter->next() );
622 SMDS_EdgeIteratorPtr anIter = myClient->edgesIterator();
623 while ( anIter->more() ) theObjs.push_back( anIter->next() );
628 SMDS_FaceIteratorPtr anIter = myClient->facesIterator();
629 while ( anIter->more() ) theObjs.push_back( anIter->next() );
634 SMDS_VolumeIteratorPtr anIter = myClient->volumesIterator();
635 while ( anIter->more() ) theObjs.push_back( anIter->next() );
642 return theObjs.size();
645 //=================================================================================
646 // function : UpdateFunctor
647 // purpose : Update functor in accordance with current mesh
648 //=================================================================================
649 void SMESH_MeshObj::UpdateFunctor( const SMESH::Controls::FunctorPtr& theFunctor )
651 theFunctor->SetMesh( GetMesh() );
654 //=================================================================================
655 // function : IsNodePrs
656 // purpose : Return true if node presentation is used
657 //=================================================================================
658 bool SMESH_MeshObj::IsNodePrs() const
660 return myClient->NbEdges() == 0 &&myClient->NbFaces() == 0 && myClient->NbVolumes() == 0 ;
665 Class : SMESH_SubMeshObj
666 Description : Base class for visualisation of submeshes and groups
669 //=================================================================================
670 // function : SMESH_SubMeshObj
671 // purpose : Constructor
672 //=================================================================================
673 SMESH_SubMeshObj::SMESH_SubMeshObj( SMESH_MeshObj* theMeshObj )
675 if ( MYDEBUG ) MESSAGE( "SMESH_SubMeshObj - theMeshObj = " << theMeshObj );
677 myMeshObj = theMeshObj;
680 SMESH_SubMeshObj::~SMESH_SubMeshObj()
684 //=================================================================================
685 // function : GetElemDimension
686 // purpose : Get dimension of element
687 //=================================================================================
688 int SMESH_SubMeshObj::GetElemDimension( const int theObjId )
690 return myMeshObj == 0 ? 0 : myMeshObj->GetElemDimension( theObjId );
693 //=================================================================================
694 // function : UpdateFunctor
695 // purpose : Update functor in accordance with current mesh
696 //=================================================================================
697 void SMESH_SubMeshObj::UpdateFunctor( const SMESH::Controls::FunctorPtr& theFunctor )
699 theFunctor->SetMesh( myMeshObj->GetMesh() );
702 //=================================================================================
704 // purpose : Update mesh object and fill grid with new values
705 //=================================================================================
706 bool SMESH_SubMeshObj::Update( int theIsClear )
708 bool changed = myMeshObj->Update( theIsClear );
715 Class : SMESH_GroupObj
716 Description : Class for visualisation of groups
719 //=================================================================================
720 // function : SMESH_GroupObj
721 // purpose : Constructor
722 //=================================================================================
723 SMESH_GroupObj::SMESH_GroupObj( SMESH::SMESH_GroupBase_ptr theGroup,
724 SMESH_MeshObj* theMeshObj )
725 : SMESH_SubMeshObj( theMeshObj ),
726 myGroupServer( SMESH::SMESH_GroupBase::_duplicate(theGroup) )
728 if ( MYDEBUG ) MESSAGE("SMESH_GroupObj - theGroup->_is_nil() = "<<theGroup->_is_nil());
729 myGroupServer->Register();
732 SMESH_GroupObj::~SMESH_GroupObj()
734 if ( MYDEBUG ) MESSAGE("~SMESH_GroupObj");
735 myGroupServer->Destroy();
738 //=================================================================================
739 // function : IsNodePrs
740 // purpose : Return true if node presentation is used
741 //=================================================================================
742 bool SMESH_GroupObj::IsNodePrs() const
744 return myGroupServer->GetType() == SMESH::NODE;
747 //=================================================================================
748 // function : getNodesFromElems
749 // purpose : Retrieve nodes from elements
750 //=================================================================================
751 static int getNodesFromElems( SMESH::long_array_var& theElemIds,
752 const SMDS_Mesh* theMesh,
753 std::list<const SMDS_MeshElement*>& theResList )
755 set<const SMDS_MeshElement*> aNodeSet;
757 for ( CORBA::Long i = 0, n = theElemIds->length(); i < n; i++ )
759 const SMDS_MeshElement* anElem = theMesh->FindElement( theElemIds[ i ] );
762 SMDS_ElemIteratorPtr anIter = anElem->nodesIterator();
763 while ( anIter->more() )
765 const SMDS_MeshElement* aNode = anIter->next();
767 aNodeSet.insert( aNode );
772 set<const SMDS_MeshElement*>::const_iterator anIter;
773 for ( anIter = aNodeSet.begin(); anIter != aNodeSet.end(); ++anIter )
774 theResList.push_back( *anIter );
776 return theResList.size();
779 //=================================================================================
780 // function : getPointers
781 // purpose : Get std::list<const SMDS_MeshElement*> from list of IDs
782 //=================================================================================
783 static int getPointers( const SMDSAbs_ElementType theRequestType,
784 SMESH::long_array_var& theElemIds,
785 const SMDS_Mesh* theMesh,
786 std::list<const SMDS_MeshElement*>& theResList )
788 for ( CORBA::Long i = 0, n = theElemIds->length(); i < n; i++ )
790 const SMDS_MeshElement* anElem = theRequestType == SMDSAbs_Node
791 ? theMesh->FindNode( theElemIds[ i ] ) : theMesh->FindElement( theElemIds[ i ] );
794 theResList.push_back( anElem );
797 return theResList.size();
801 //=================================================================================
802 // function : GetEntities
803 // purpose : Get entities of specified type. Return number of entities
804 //=================================================================================
805 int SMESH_GroupObj::GetNbEntities( const SMDSAbs_ElementType theType) const
807 if(SMDSAbs_ElementType(myGroupServer->GetType()) == theType){
808 return myGroupServer->Size();
813 int SMESH_GroupObj::GetEntities( const SMDSAbs_ElementType theType, TEntityList& theResList ) const
816 SMDS_Mesh* aMesh = myMeshObj->GetMesh();
818 if ( myGroupServer->Size() == 0 || aMesh == 0 )
821 SMDSAbs_ElementType aGrpType = SMDSAbs_ElementType(myGroupServer->GetType());
822 SMESH::long_array_var anIds = myGroupServer->GetListOfID();
824 if ( aGrpType == theType )
825 return getPointers( theType, anIds, aMesh, theResList );
826 else if ( theType == SMDSAbs_Node )
827 return getNodesFromElems( anIds, aMesh, theResList );
835 Class : SMESH_subMeshObj
836 Description : Class for visualisation of submeshes
839 //=================================================================================
840 // function : SMESH_subMeshObj
841 // purpose : Constructor
842 //=================================================================================
843 SMESH_subMeshObj::SMESH_subMeshObj( SMESH::SMESH_subMesh_ptr theSubMesh,
844 SMESH_MeshObj* theMeshObj )
845 : SMESH_SubMeshObj( theMeshObj ),
846 mySubMeshServer( SMESH::SMESH_subMesh::_duplicate( theSubMesh ) )
848 if ( MYDEBUG ) MESSAGE( "SMESH_subMeshObj - theSubMesh->_is_nil() = " << theSubMesh->_is_nil() );
850 mySubMeshServer->Register();
853 SMESH_subMeshObj::~SMESH_subMeshObj()
855 if ( MYDEBUG ) MESSAGE( "~SMESH_subMeshObj" );
856 mySubMeshServer->Destroy();
859 //=================================================================================
860 // function : GetEntities
861 // purpose : Get entities of specified type. Return number of entities
862 //=================================================================================
863 int SMESH_subMeshObj::GetNbEntities( const SMDSAbs_ElementType theType) const
869 return mySubMeshServer->GetNumberOfNodes( false );
876 SMESH::long_array_var anIds =
877 mySubMeshServer->GetElementsByType( SMESH::ElementType(theType) );
878 return anIds->length();
886 int SMESH_subMeshObj::GetEntities( const SMDSAbs_ElementType theType, TEntityList& theResList ) const
890 SMDS_Mesh* aMesh = myMeshObj->GetMesh();
894 bool isNodal = IsNodePrs();
898 if ( theType == SMDSAbs_Node )
900 SMESH::long_array_var anIds = mySubMeshServer->GetNodesId();
901 return getPointers( SMDSAbs_Node, anIds, aMesh, theResList );
906 if ( theType == SMDSAbs_Node )
908 SMESH::long_array_var anIds = mySubMeshServer->GetElementsId();
909 return getNodesFromElems( anIds, aMesh, theResList );
913 SMESH::long_array_var anIds =
914 mySubMeshServer->GetElementsByType( SMESH::ElementType(theType) );
915 return getPointers( theType, anIds, aMesh, theResList );
922 //=================================================================================
923 // function : IsNodePrs
924 // purpose : Return true if node presentation is used
925 //=================================================================================
926 bool SMESH_subMeshObj::IsNodePrs() const
928 return mySubMeshServer->GetNumberOfElements() == 0;