1 // Copyright (C) 2007-2012 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 SMESH : implementaion of SMESH idl descriptions
24 // File : SMESH_subMesh.cxx
25 // Author : Paul RASCLE, EDF
28 #include "SMESH_subMesh.hxx"
30 #include "SMESH_Algo.hxx"
31 #include "SMESH_Gen.hxx"
32 #include "SMESH_HypoFilter.hxx"
33 #include "SMESH_Hypothesis.hxx"
34 #include "SMESH_Mesh.hxx"
35 #include "SMESH_MesherHelper.hxx"
36 #include "SMESH_subMeshEventListener.hxx"
37 #include "SMESH_Comment.hxx"
38 #include "SMDS_SetIterator.hxx"
39 #include "SMDSAbs_ElementType.hxx"
41 #include <Basics_OCCTVersion.hxx>
43 #include "utilities.h"
45 #include "Basics_Utils.hxx"
47 #include <BRep_Builder.hxx>
48 #include <BRep_Tool.hxx>
50 #include <TopTools_IndexedMapOfShape.hxx>
51 #include <TopTools_ListIteratorOfListOfShape.hxx>
53 #include <TopoDS_Compound.hxx>
55 #include <TopExp_Explorer.hxx>
56 #include <TopoDS_Iterator.hxx>
58 #include <Standard_OutOfMemory.hxx>
59 #include <Standard_ErrorHandler.hxx>
65 //=============================================================================
67 * \brief Allocate some memory at construction and release it at destruction.
68 * Is used to be able to continue working after mesh generation breaks due to
71 //=============================================================================
76 MemoryReserve(): myBuf( new char[1024*1024*2] ){}
77 ~MemoryReserve() { delete [] myBuf; }
80 //=============================================================================
82 * default constructor:
84 //=============================================================================
86 SMESH_subMesh::SMESH_subMesh(int Id,
88 SMESHDS_Mesh * meshDS,
89 const TopoDS_Shape & aSubShape)
91 _subShape = aSubShape;
92 _subMeshDS = meshDS->MeshElements(_subShape); // may be null ...
95 _dependenceAnalysed = _alwaysComputed = false;
97 if (_subShape.ShapeType() == TopAbs_VERTEX)
100 _computeState = READY_TO_COMPUTE;
104 _algoState = NO_ALGO;
105 _computeState = NOT_READY;
109 //=============================================================================
113 //=============================================================================
115 SMESH_subMesh::~SMESH_subMesh()
117 MESSAGE("SMESH_subMesh::~SMESH_subMesh");
119 deleteOwnListeners();
122 //=============================================================================
126 //=============================================================================
128 int SMESH_subMesh::GetId() const
130 //MESSAGE("SMESH_subMesh::GetId");
134 //=============================================================================
138 //=============================================================================
140 SMESHDS_SubMesh * SMESH_subMesh::GetSubMeshDS()
142 // submesh appears in DS only when a mesher set nodes and elements on a shape
143 return _subMeshDS ? _subMeshDS : _subMeshDS = _father->GetMeshDS()->MeshElements(_subShape); // may be null
146 //=============================================================================
150 //=============================================================================
152 const SMESHDS_SubMesh * SMESH_subMesh::GetSubMeshDS() const
154 return ((SMESH_subMesh*) this )->GetSubMeshDS();
157 //=============================================================================
161 //=============================================================================
163 SMESHDS_SubMesh* SMESH_subMesh::CreateSubMeshDS()
165 if ( !GetSubMeshDS() ) {
166 SMESHDS_Mesh* meshDS = _father->GetMeshDS();
167 meshDS->NewSubMesh( meshDS->ShapeToIndex( _subShape ) );
169 return GetSubMeshDS();
172 //=============================================================================
176 //=============================================================================
178 SMESH_subMesh *SMESH_subMesh::GetFirstToCompute()
180 SMESH_subMeshIteratorPtr smIt = getDependsOnIterator(true,false);
181 while ( smIt->more() ) {
182 SMESH_subMesh *sm = smIt->next();
183 if ( sm->GetComputeState() == READY_TO_COMPUTE )
186 return 0; // nothing to compute
189 //================================================================================
191 * \brief Returns a current algorithm
193 //================================================================================
195 SMESH_Algo* SMESH_subMesh::GetAlgo() const
198 ((SMESH_subMesh*)this)->_algo = _father->GetGen()->GetAlgo(*_father, _subShape);
202 //================================================================================
204 * \brief Allow algo->Compute() if a sub-shape of lower dim is meshed but
205 * none mesh entity is bound to it (PAL13615, 2nd part)
207 //================================================================================
209 void SMESH_subMesh::SetIsAlwaysComputed(bool isAlCo)
211 _alwaysComputed = isAlCo;
212 if ( _alwaysComputed )
213 _computeState = COMPUTE_OK;
215 ComputeStateEngine( CHECK_COMPUTE_STATE );
218 //=======================================================================
220 * \brief Return true if no mesh entities is bound to the submesh
222 //=======================================================================
224 bool SMESH_subMesh::IsEmpty() const
226 if (SMESHDS_SubMesh * subMeshDS = ((SMESH_subMesh*)this)->GetSubMeshDS())
227 return (!subMeshDS->NbElements() && !subMeshDS->NbNodes());
231 //=======================================================================
232 //function : IsMeshComputed
233 //purpose : check if _subMeshDS contains mesh elements
234 //=======================================================================
236 bool SMESH_subMesh::IsMeshComputed() const
238 if ( _alwaysComputed )
240 // algo may bind a submesh not to _subShape, eg 3D algo
241 // sets nodes on SHELL while _subShape may be SOLID
243 SMESHDS_Mesh* meshDS = _father->GetMeshDS();
244 int dim = SMESH_Gen::GetShapeDim( _subShape );
245 int type = _subShape.ShapeType();
246 for ( ; type <= TopAbs_VERTEX; type++) {
247 if ( dim == SMESH_Gen::GetShapeDim( (TopAbs_ShapeEnum) type ))
249 TopExp_Explorer exp( _subShape, (TopAbs_ShapeEnum) type );
250 for ( ; exp.More(); exp.Next() )
252 if ( SMESHDS_SubMesh * smDS = meshDS->MeshElements( exp.Current() ))
254 bool computed = (dim > 0) ? smDS->NbElements() : smDS->NbNodes();
267 //=============================================================================
269 * Return true if all sub-meshes have been meshed
271 //=============================================================================
273 bool SMESH_subMesh::SubMeshesComputed(bool * isFailedToCompute/*=0*/) const
275 int myDim = SMESH_Gen::GetShapeDim( _subShape );
276 int dimToCheck = myDim - 1;
277 bool subMeshesComputed = true;
278 if ( isFailedToCompute ) *isFailedToCompute = false;
279 // check subMeshes with upper dimension => reverse iteration
280 SMESH_subMeshIteratorPtr smIt = getDependsOnIterator(false,true);
281 while ( smIt->more() )
283 SMESH_subMesh *sm = smIt->next();
284 if ( sm->_alwaysComputed )
286 const TopoDS_Shape & ss = sm->GetSubShape();
288 // MSV 07.04.2006: restrict checking to myDim-1 only. Ex., there is no sense
289 // in checking of existence of edges if the algo needs only faces. Moreover,
290 // degenerated edges may have no submesh, as after computing NETGEN_2D.
291 if ( !_algo || _algo->NeedDiscreteBoundary() ) {
292 int dim = SMESH_Gen::GetShapeDim( ss );
293 if (dim < dimToCheck)
294 break; // the rest subMeshes are all of less dimension
296 SMESHDS_SubMesh * ds = sm->GetSubMeshDS();
297 bool computeOk = (sm->GetComputeState() == COMPUTE_OK ||
298 (ds && ( dimToCheck ? ds->NbElements() : ds->NbNodes() )));
301 subMeshesComputed = false;
302 if ( isFailedToCompute && !(*isFailedToCompute) )
303 *isFailedToCompute = ( sm->GetComputeState() == FAILED_TO_COMPUTE );
305 // int type = ss.ShapeType();
309 // case TopAbs_COMPOUND:
311 // MESSAGE("The not computed sub mesh is a COMPOUND");
314 // case TopAbs_COMPSOLID:
316 // MESSAGE("The not computed sub mesh is a COMPSOLID");
319 // case TopAbs_SHELL:
321 // MESSAGE("The not computed sub mesh is a SHEL");
326 // MESSAGE("The not computed sub mesh is a WIRE");
329 // case TopAbs_SOLID:
331 // MESSAGE("The not computed sub mesh is a SOLID");
336 // MESSAGE("The not computed sub mesh is a FACE");
341 // MESSAGE("The not computed sub mesh is a EDGE");
346 // MESSAGE("The not computed sub mesh is of unknown type");
351 if ( !isFailedToCompute )
355 return subMeshesComputed;
358 //=============================================================================
362 //=============================================================================
364 // bool SMESH_subMesh::SubMeshesReady()
366 // bool subMeshesReady = true;
367 // SMESH_subMeshIteratorPtr smIt = getDependsOnIterator(false,true);
368 // while ( smIt->more() ) {
369 // SMESH_subMesh *sm = smIt->next();
370 // bool computeOk = (sm->GetComputeState() == COMPUTE_OK ||
371 // sm->GetComputeState() == READY_TO_COMPUTE);
374 // subMeshesReady = false;
375 // SCRUTE(sm->GetId());
379 // return subMeshesReady;
382 //=============================================================================
384 * Construct dependence on first level subMeshes. complex shapes (compsolid,
385 * shell, wire) are not analysed the same way as simple shapes (solid, face,
387 * For collection shapes (compsolid, shell, wire) prepare a list of submeshes
388 * with possible multiples occurences. Multiples occurences corresponds to
389 * internal frontiers within shapes of the collection and must not be keeped.
390 * See FinalizeDependence.
392 //=============================================================================
394 const map < int, SMESH_subMesh * >& SMESH_subMesh::DependsOn()
396 if (_dependenceAnalysed)
399 //MESSAGE("SMESH_subMesh::DependsOn");
401 int type = _subShape.ShapeType();
405 case TopAbs_COMPOUND:
407 //MESSAGE("compound");
408 for (TopExp_Explorer exp(_subShape, TopAbs_SOLID); exp.More();exp.Next())
410 insertDependence(exp.Current());
412 for (TopExp_Explorer exp(_subShape, TopAbs_SHELL, TopAbs_SOLID); exp.More(); exp.Next())
414 if ( BRep_Tool::IsClosed(exp.Current() ))
415 insertDependence(exp.Current()); //only shell not in solid
417 for (TopExp_Explorer expF(exp.Current(), TopAbs_FACE); expF.More();expF.Next())
418 insertDependence(expF.Current()); // issue 0020959: HEXA_3D fails on shell
421 for (TopExp_Explorer exp(_subShape, TopAbs_FACE, TopAbs_SHELL); exp.More();exp.Next())
423 insertDependence(exp.Current());
425 for (TopExp_Explorer exp(_subShape, TopAbs_EDGE, TopAbs_FACE); exp.More();exp.Next())
427 insertDependence(exp.Current());
429 for (TopExp_Explorer exp(_subShape, TopAbs_VERTEX, TopAbs_EDGE); exp.More();exp.Next())
431 insertDependence(exp.Current());
435 case TopAbs_COMPSOLID:
437 //MESSAGE("compsolid");
438 for (TopExp_Explorer exp(_subShape, TopAbs_SOLID); exp.More(); exp.Next())
440 insertDependence(exp.Current());
447 for (TopExp_Explorer exp(_subShape, TopAbs_FACE); exp.More(); exp.Next())
449 insertDependence(exp.Current());
456 for (TopExp_Explorer exp(_subShape, TopAbs_EDGE); exp.More(); exp.Next())
458 insertDependence(exp.Current());
465 if(_father->HasShapeToMesh()) {
466 for (TopExp_Explorer exp(_subShape, TopAbs_FACE); exp.More();exp.Next())
468 insertDependence(exp.Current());
476 for (TopExp_Explorer exp(_subShape, TopAbs_EDGE); exp.More();exp.Next())
478 insertDependence(exp.Current());
485 for (TopExp_Explorer exp(_subShape, TopAbs_VERTEX); exp.More(); exp.Next())
487 insertDependence(exp.Current());
500 _dependenceAnalysed = true;
504 //=============================================================================
506 * For simple Shapes (solid, face, edge): add subMesh into dependence list.
508 //=============================================================================
510 void SMESH_subMesh::insertDependence(const TopoDS_Shape aSubShape)
512 SMESH_subMesh *aSubMesh = _father->GetSubMesh(aSubShape);
513 int type = aSubShape.ShapeType();
514 int ordType = 9 - type; // 2 = Vertex, 8 = CompSolid
515 int cle = aSubMesh->GetId();
516 cle += 10000000 * ordType; // sort map by ordType then index
517 if ( _mapDepend.find( cle ) == _mapDepend.end())
519 _mapDepend[cle] = aSubMesh;
520 const map < int, SMESH_subMesh * > & subMap = aSubMesh->DependsOn();
521 _mapDepend.insert( subMap.begin(), subMap.end() );
525 //=============================================================================
529 //=============================================================================
531 const TopoDS_Shape & SMESH_subMesh::GetSubShape() const
533 //MESSAGE("SMESH_subMesh::GetSubShape");
538 //=======================================================================
539 //function : CanAddHypothesis
540 //purpose : return true if theHypothesis can be attached to me:
541 // its dimention is checked
542 //=======================================================================
544 bool SMESH_subMesh::CanAddHypothesis(const SMESH_Hypothesis* theHypothesis) const
546 int aHypDim = theHypothesis->GetDim();
547 int aShapeDim = SMESH_Gen::GetShapeDim(_subShape);
548 // issue 21106. Forbid 3D mesh on the SHELL
549 // if (aHypDim == 3 && aShapeDim == 3) {
550 // // check case of open shell
551 // //if (_subShape.ShapeType() == TopAbs_SHELL && !_subShape.Closed())
552 // if (_subShape.ShapeType() == TopAbs_SHELL && !BRep_Tool::IsClosed(_subShape))
555 if ( aHypDim <= aShapeDim )
561 //=======================================================================
562 //function : IsApplicableHypotesis
564 //=======================================================================
566 bool SMESH_subMesh::IsApplicableHypotesis(const SMESH_Hypothesis* theHypothesis,
567 const TopAbs_ShapeEnum theShapeType)
569 if ( theHypothesis->GetType() > SMESHDS_Hypothesis::PARAM_ALGO)
572 if ( theHypothesis->GetShapeType() & (1<< theShapeType))
573 // issue 21106. Forbid 3D mesh on the SHELL
574 return !( theHypothesis->GetDim() == 3 && theShapeType == TopAbs_SHELL );
580 switch ( theShapeType ) {
585 return SMESH_Gen::GetShapeDim( theShapeType ) == theHypothesis->GetDim();
588 // Special case for algorithms, building 2D mesh on a whole shell.
589 // Before this fix there was a problem after restoring from study,
590 // because in that case algorithm is assigned before hypothesis
591 // (on shell in problem case) and hypothesis is checked on faces
592 // (because it is 2D), where we have NO_ALGO state.
593 // Now 2D hypothesis is also applicable to shells.
594 return (theHypothesis->GetDim() == 2 || theHypothesis->GetDim() == 3);
597 // case TopAbs_COMPSOLID:
598 // case TopAbs_COMPOUND:
604 //=============================================================================
608 //=============================================================================
610 SMESH_Hypothesis::Hypothesis_Status
611 SMESH_subMesh::AlgoStateEngine(int event, SMESH_Hypothesis * anHyp)
613 // **** les retour des evenement shape sont significatifs
614 // (add ou remove fait ou non)
615 // le retour des evenement father n'indiquent pas que add ou remove fait
617 SMESH_Hypothesis::Hypothesis_Status aux_ret, ret = SMESH_Hypothesis::HYP_OK;
619 SMESHDS_Mesh* meshDS =_father->GetMeshDS();
620 SMESH_Algo* algo = 0;
623 if (_subShape.ShapeType() == TopAbs_VERTEX )
625 if ( anHyp->GetDim() != 0) {
626 if (event == ADD_HYP || event == ADD_ALGO)
627 return SMESH_Hypothesis::HYP_BAD_DIM;
629 return SMESH_Hypothesis::HYP_OK;
632 else if ( _algoState == HYP_OK ) {
633 // update default _algoState
634 if ( event != REMOVE_FATHER_ALGO )
636 _algoState = NO_ALGO;
639 _algoState = MISSING_HYP;
640 if ( event == REMOVE_FATHER_HYP ||
641 algo->CheckHypothesis(*_father,_subShape, aux_ret))
648 int oldAlgoState = _algoState;
649 bool modifiedHyp = (event == MODIF_HYP); // if set to true, force event MODIF_ALGO_STATE
650 bool needFullClean = false, subMeshesSupported = false;
652 bool isApplicableHyp = IsApplicableHypotesis( anHyp );
654 if (event == ADD_ALGO || event == ADD_FATHER_ALGO)
656 // -------------------------------------------
657 // check if a shape needed by algo is present
658 // -------------------------------------------
659 algo = static_cast< SMESH_Algo* >( anHyp );
660 if ( !_father->HasShapeToMesh() && algo->NeedShape() )
661 return SMESH_Hypothesis::HYP_NEED_SHAPE;
662 // ----------------------
663 // check mesh conformity
664 // ----------------------
665 if (isApplicableHyp && !_father->IsNotConformAllowed() && !IsConform( algo ))
666 return SMESH_Hypothesis::HYP_NOTCONFORM;
668 // check if all-dimensional algo is hidden by other local one
669 if ( event == ADD_ALGO ) {
670 SMESH_HypoFilter filter( SMESH_HypoFilter::HasType( algo->GetType() ));
671 filter.Or( SMESH_HypoFilter::HasType( algo->GetType()+1 ));
672 filter.Or( SMESH_HypoFilter::HasType( algo->GetType()+2 ));
673 if ( SMESH_Algo * curAlgo = (SMESH_Algo*)_father->GetHypothesis(_subShape, filter, true ))
674 needFullClean = ( !curAlgo->NeedDiscreteBoundary() );
678 // ----------------------------------
679 // add a hypothesis to DS if possible
680 // ----------------------------------
681 if (event == ADD_HYP || event == ADD_ALGO)
683 if ( ! CanAddHypothesis( anHyp )) // check dimension
684 return SMESH_Hypothesis::HYP_BAD_DIM;
686 if ( /*!anHyp->IsAuxiliary() &&*/ getSimilarAttached( _subShape, anHyp ) )
687 return SMESH_Hypothesis::HYP_ALREADY_EXIST;
689 if ( !meshDS->AddHypothesis(_subShape, anHyp))
690 return SMESH_Hypothesis::HYP_ALREADY_EXIST;
693 // --------------------------
694 // remove a hypothesis from DS
695 // --------------------------
696 if (event == REMOVE_HYP || event == REMOVE_ALGO)
698 if (!meshDS->RemoveHypothesis(_subShape, anHyp))
699 return SMESH_Hypothesis::HYP_OK; // nothing changes
701 if (event == REMOVE_ALGO)
703 algo = dynamic_cast<SMESH_Algo*> (anHyp);
704 if (!algo->NeedDiscreteBoundary())
706 // clean all mesh in the tree of the current submesh;
707 // we must perform it now because later
708 // we will have no information about the type of the removed algo
709 needFullClean = true;
710 subMeshesSupported = algo->SupportSubmeshes();
715 // ------------------
716 // analyse algo state
717 // ------------------
718 if (!isApplicableHyp)
719 return ret; // not applicable hypotheses do not change algo state
724 // ----------------------------------------------------------------------
733 if (algo->CheckHypothesis((*_father),_subShape, aux_ret))
734 setAlgoState(HYP_OK);
735 else if ( algo->IsStatusFatal( aux_ret )) {
736 meshDS->RemoveHypothesis(_subShape, anHyp);
740 setAlgoState(MISSING_HYP);
747 case ADD_FATHER_ALGO: { // Algo just added in father
750 if ( algo == anHyp ) {
751 if ( algo->CheckHypothesis((*_father),_subShape, aux_ret))
752 setAlgoState(HYP_OK);
754 setAlgoState(MISSING_HYP);
758 case REMOVE_FATHER_HYP:
760 case REMOVE_FATHER_ALGO: {
764 if ( algo->CheckHypothesis((*_father),_subShape, aux_ret ))
765 setAlgoState(HYP_OK);
767 setAlgoState(MISSING_HYP);
771 case MODIF_HYP: break;
778 // ----------------------------------------------------------------------
786 if ( algo->CheckHypothesis((*_father),_subShape, ret ))
787 setAlgoState(HYP_OK);
788 if (SMESH_Hypothesis::IsStatusFatal( ret ))
789 meshDS->RemoveHypothesis(_subShape, anHyp);
790 else if (!_father->IsUsedHypothesis( anHyp, this ))
792 meshDS->RemoveHypothesis(_subShape, anHyp);
793 ret = SMESH_Hypothesis::HYP_INCOMPATIBLE;
797 case ADD_ALGO: { //already existing algo : on father ?
800 if ( algo->CheckHypothesis((*_father),_subShape, aux_ret ))// ignore hyp status
801 setAlgoState(HYP_OK);
802 else if ( algo->IsStatusFatal( aux_ret )) {
803 meshDS->RemoveHypothesis(_subShape, anHyp);
807 setAlgoState(MISSING_HYP);
812 case REMOVE_ALGO: { // perhaps a father algo applies ?
814 if (algo == NULL) // no more algo applying on sub-shape...
816 setAlgoState(NO_ALGO);
820 if ( algo->CheckHypothesis((*_father),_subShape, aux_ret ))
821 setAlgoState(HYP_OK);
823 setAlgoState(MISSING_HYP);
827 case MODIF_HYP: // assigned hypothesis value may become good
828 case ADD_FATHER_HYP: {
831 if ( algo->CheckHypothesis((*_father),_subShape, aux_ret ))
832 setAlgoState(HYP_OK);
834 setAlgoState(MISSING_HYP);
837 case ADD_FATHER_ALGO: { // new father algo
840 if ( algo == anHyp ) {
841 if ( algo->CheckHypothesis((*_father),_subShape, aux_ret ))
842 setAlgoState(HYP_OK);
844 setAlgoState(MISSING_HYP);
848 case REMOVE_FATHER_HYP: // nothing to do
850 case REMOVE_FATHER_ALGO: {
852 if (algo == NULL) // no more applying algo on father
854 setAlgoState(NO_ALGO);
858 if ( algo->CheckHypothesis((*_father),_subShape , aux_ret ))
859 setAlgoState(HYP_OK);
861 setAlgoState(MISSING_HYP);
871 // ----------------------------------------------------------------------
879 if (!algo->CheckHypothesis((*_father),_subShape, ret ))
881 if ( !SMESH_Hypothesis::IsStatusFatal( ret ))
882 // ret should be fatal: anHyp was not added
883 ret = SMESH_Hypothesis::HYP_INCOMPATIBLE;
885 else if (!_father->IsUsedHypothesis( anHyp, this ))
886 ret = SMESH_Hypothesis::HYP_INCOMPATIBLE;
888 if (SMESH_Hypothesis::IsStatusFatal( ret ))
890 MESSAGE("do not add extra hypothesis");
891 meshDS->RemoveHypothesis(_subShape, anHyp);
899 case ADD_ALGO: { //already existing algo : on father ?
901 if ( algo->CheckHypothesis((*_father),_subShape, aux_ret )) {
902 // check if algo changes
904 f.Init( SMESH_HypoFilter::IsAlgo() );
905 f.And( SMESH_HypoFilter::IsApplicableTo( _subShape ));
906 f.AndNot( SMESH_HypoFilter::Is( algo ));
907 const SMESH_Hypothesis * prevAlgo = _father->GetHypothesis( _subShape, f, true );
909 string(algo->GetName()) != string(prevAlgo->GetName()) )
913 setAlgoState(MISSING_HYP);
919 if ( algo->CheckHypothesis((*_father),_subShape, aux_ret ))
920 setAlgoState(HYP_OK);
922 setAlgoState(MISSING_HYP);
926 case REMOVE_ALGO: { // perhaps a father algo applies ?
928 if (algo == NULL) // no more algo applying on sub-shape...
930 setAlgoState(NO_ALGO);
934 if ( algo->CheckHypothesis((*_father),_subShape, aux_ret )) {
935 // check if algo remains
936 if ( anHyp != algo && strcmp( anHyp->GetName(), algo->GetName()) )
940 setAlgoState(MISSING_HYP);
944 case MODIF_HYP: // hypothesis value may become bad
945 case ADD_FATHER_HYP: { // new father hypothesis ?
948 if ( algo->CheckHypothesis((*_father),_subShape, aux_ret ))
950 if (_father->IsUsedHypothesis( anHyp, this )) // new Hyp
954 setAlgoState(MISSING_HYP);
957 case ADD_FATHER_ALGO: {
959 if ( algo == anHyp ) { // a new algo on father
960 if ( algo->CheckHypothesis((*_father),_subShape, aux_ret )) {
961 // check if algo changes
963 f.Init( SMESH_HypoFilter::IsAlgo() );
964 f.And( SMESH_HypoFilter::IsApplicableTo( _subShape ));
965 f.AndNot( SMESH_HypoFilter::Is( algo ));
966 const SMESH_Hypothesis* prevAlgo = _father->GetHypothesis( _subShape, f, true );
968 string(algo->GetName()) != string(prevAlgo->GetName()) )
972 setAlgoState(MISSING_HYP);
976 case REMOVE_FATHER_HYP: {
979 if ( algo->CheckHypothesis((*_father),_subShape, aux_ret )) {
980 // is there the same local hyp or maybe a new father algo applied?
981 if ( !getSimilarAttached( _subShape, anHyp ) )
985 setAlgoState(MISSING_HYP);
988 case REMOVE_FATHER_ALGO: {
989 // IPAL21346. Edges not removed when Netgen 1d-2d is removed from a SOLID.
990 // CLEAN was not called at event REMOVE_ALGO because the algo is not applicable to SOLID.
991 algo = dynamic_cast<SMESH_Algo*> (anHyp);
992 if (!algo->NeedDiscreteBoundary())
994 needFullClean = true;
995 subMeshesSupported = algo->SupportSubmeshes();
998 if (algo == NULL) // no more applying algo on father
1000 setAlgoState(NO_ALGO);
1004 if ( algo->CheckHypothesis((*_father),_subShape, aux_ret )) {
1005 // check if algo changes
1006 if ( string(algo->GetName()) != string( anHyp->GetName()) )
1010 setAlgoState(MISSING_HYP);
1020 // ----------------------------------------------------------------------
1027 // detect algorithm hiding
1029 if ( ret == SMESH_Hypothesis::HYP_OK &&
1030 ( event == ADD_ALGO || event == ADD_FATHER_ALGO ) &&
1031 algo->GetName() == anHyp->GetName() )
1034 SMESH_Gen* gen = _father->GetGen();
1035 TopTools_ListIteratorOfListOfShape it( _father->GetAncestors( _subShape ));
1036 for ( ; ( ret == SMESH_Hypothesis::HYP_OK && it.More()); it.Next() ) {
1037 if ( SMESH_Algo* upperAlgo = gen->GetAlgo( *_father, it.Value() ))
1038 if ( !upperAlgo->NeedDiscreteBoundary() && !upperAlgo->SupportSubmeshes())
1039 ret = SMESH_Hypothesis::HYP_HIDDEN_ALGO;
1042 if ( ret == SMESH_Hypothesis::HYP_OK &&
1043 !algo->NeedDiscreteBoundary() &&
1044 !algo->SupportSubmeshes()) {
1045 TopoDS_Shape algoAssignedTo, otherAssignedTo;
1046 gen->GetAlgo( *_father, _subShape, &algoAssignedTo );
1047 map<int, SMESH_subMesh*>::reverse_iterator i_sm = _mapDepend.rbegin();
1048 for ( ; ( ret == SMESH_Hypothesis::HYP_OK && i_sm != _mapDepend.rend()) ; ++i_sm )
1049 if ( gen->GetAlgo( *_father, i_sm->second->_subShape, &otherAssignedTo ) &&
1050 SMESH_MesherHelper::IsSubShape( /*sub=*/otherAssignedTo, /*main=*/algoAssignedTo ))
1051 ret = SMESH_Hypothesis::HYP_HIDING_ALGO;
1055 bool stateChange = ( _algoState != oldAlgoState );
1057 if ( stateChange && _algoState == HYP_OK ) // hyp becomes OK
1058 algo->SetEventListener( this );
1060 notifyListenersOnEvent( event, ALGO_EVENT, anHyp );
1062 if ( stateChange && oldAlgoState == HYP_OK ) { // hyp becomes KO
1063 deleteOwnListeners();
1064 SetIsAlwaysComputed( false );
1065 if (_subShape.ShapeType() == TopAbs_VERTEX ) {
1066 // restore default states
1067 _algoState = HYP_OK;
1068 _computeState = READY_TO_COMPUTE;
1072 if ( needFullClean ) {
1073 // added or removed algo is all-dimensional
1074 ComputeStateEngine( CLEAN );
1075 cleanDependsOn( subMeshesSupported );
1076 ComputeSubMeshStateEngine( CHECK_COMPUTE_STATE );
1079 if (stateChange || modifiedHyp)
1080 ComputeStateEngine(MODIF_ALGO_STATE);
1085 //=======================================================================
1086 //function : IsConform
1087 //purpose : check if a conform mesh will be produced by the Algo
1088 //=======================================================================
1090 bool SMESH_subMesh::IsConform(const SMESH_Algo* theAlgo)
1092 // MESSAGE( "SMESH_subMesh::IsConform" );
1093 if ( !theAlgo ) return false;
1095 // Suppose that theAlgo is applicable to _subShape, do not check it here
1096 //if ( !IsApplicableHypotesis( theAlgo )) return false;
1098 // check only algo that doesn't NeedDiscreteBoundary(): because mesh made
1099 // on a sub-shape will be ignored by theAlgo
1100 if ( theAlgo->NeedDiscreteBoundary() ||
1101 !theAlgo->OnlyUnaryInput() ) // all adjacent shapes will be meshed by this algo?
1104 SMESH_Gen* gen =_father->GetGen();
1106 // only local algo is to be checked
1107 //if ( gen->IsGlobalHypothesis( theAlgo, *_father ))
1108 if ( _subShape.ShapeType() == _father->GetMeshDS()->ShapeToMesh().ShapeType() )
1111 // check algo attached to adjacent shapes
1113 // loop on one level down sub-meshes
1114 TopoDS_Iterator itsub( _subShape );
1115 for (; itsub.More(); itsub.Next())
1117 // loop on adjacent subShapes
1118 TopTools_ListIteratorOfListOfShape it( _father->GetAncestors( itsub.Value() ));
1119 for (; it.More(); it.Next())
1121 const TopoDS_Shape& adjacent = it.Value();
1122 if ( _subShape.IsSame( adjacent )) continue;
1123 if ( adjacent.ShapeType() != _subShape.ShapeType())
1126 // check algo attached to smAdjacent
1127 SMESH_Algo * algo = gen->GetAlgo((*_father), adjacent);
1129 !algo->NeedDiscreteBoundary() &&
1130 algo->OnlyUnaryInput())
1131 return false; // NOT CONFORM MESH WILL BE PRODUCED
1138 //=============================================================================
1142 //=============================================================================
1144 void SMESH_subMesh::setAlgoState(algo_state state)
1149 //=============================================================================
1153 //=============================================================================
1154 SMESH_Hypothesis::Hypothesis_Status
1155 SMESH_subMesh::SubMeshesAlgoStateEngine(int event,
1156 SMESH_Hypothesis * anHyp)
1158 SMESH_Hypothesis::Hypothesis_Status ret = SMESH_Hypothesis::HYP_OK;
1159 //EAP: a wire (dim==1) should notify edges (dim==1)
1160 //EAP: int dim = SMESH_Gen::GetShapeDim(_subShape);
1161 //if (_subShape.ShapeType() < TopAbs_EDGE ) // wire,face etc
1163 SMESH_subMeshIteratorPtr smIt = getDependsOnIterator(false,false);
1164 while ( smIt->more() ) {
1165 SMESH_Hypothesis::Hypothesis_Status ret2 =
1166 smIt->next()->AlgoStateEngine(event, anHyp);
1174 //================================================================================
1176 * \brief Remove elements from sub-meshes.
1177 * \param keepSupportedsubMeshes - if true, the sub-meshes computed using more
1178 * local algorithms are not cleaned
1180 //================================================================================
1182 void SMESH_subMesh::cleanDependsOn( bool keepSupportedsubMeshes )
1184 SMESH_subMeshIteratorPtr smIt = getDependsOnIterator(false,
1185 /*complexShapeFirst=*/true);
1186 if ( _father->NbNodes() == 0 )
1188 while ( smIt->more() )
1189 smIt->next()->ComputeStateEngine(CHECK_COMPUTE_STATE);
1191 else if ( !keepSupportedsubMeshes )
1193 while ( smIt->more() )
1194 smIt->next()->ComputeStateEngine(CLEAN);
1198 // find sub-meshes to keep elements on
1199 set< SMESH_subMesh* > smToKeep;
1200 SMESHDS_Mesh* meshDS = _father->GetMeshDS();
1201 while ( smIt->more() )
1203 SMESH_subMesh* sm = smIt->next();
1204 if ( sm->IsEmpty() ) continue;
1206 // look for an algo assigned to sm
1207 bool algoFound = false;
1208 const list<const SMESHDS_Hypothesis*>& hyps = meshDS->GetHypothesis( sm->_subShape );
1209 list<const SMESHDS_Hypothesis*>::const_iterator h = hyps.begin();
1210 for ( ; ( !algoFound && h != hyps.end() ); ++h )
1211 algoFound = ((*h)->GetType() != SMESHDS_Hypothesis::PARAM_ALGO );
1213 // remember all sub-meshes of sm
1216 SMESH_subMeshIteratorPtr smIt2 = getDependsOnIterator(false,true);
1217 while ( smIt2->more() )
1218 smToKeep.insert( smIt2->next() );
1222 SMESH_subMeshIteratorPtr smIt = getDependsOnIterator(false,true);
1223 while ( smIt->more() )
1225 SMESH_subMesh* sm = smIt->next();
1226 if ( !smToKeep.count( sm ))
1227 sm->ComputeStateEngine(CLEAN);
1232 //=============================================================================
1236 //=============================================================================
1238 void SMESH_subMesh::DumpAlgoState(bool isMain)
1240 int dim = SMESH_Gen::GetShapeDim(_subShape);
1241 // if (dim < 1) return;
1244 const map < int, SMESH_subMesh * >&subMeshes = DependsOn();
1246 map < int, SMESH_subMesh * >::const_iterator itsub;
1247 for (itsub = subMeshes.begin(); itsub != subMeshes.end(); itsub++)
1249 SMESH_subMesh *sm = (*itsub).second;
1250 sm->DumpAlgoState(false);
1253 int type = _subShape.ShapeType();
1254 MESSAGE("dim = " << dim << " type of shape " << type);
1258 MESSAGE(" AlgoState = NO_ALGO");
1261 MESSAGE(" AlgoState = MISSING_HYP");
1264 MESSAGE(" AlgoState = HYP_OK");
1267 switch (_computeState)
1270 MESSAGE(" ComputeState = NOT_READY");
1272 case READY_TO_COMPUTE:
1273 MESSAGE(" ComputeState = READY_TO_COMPUTE");
1276 MESSAGE(" ComputeState = COMPUTE_OK");
1278 case FAILED_TO_COMPUTE:
1279 MESSAGE(" ComputeState = FAILED_TO_COMPUTE");
1284 //================================================================================
1286 * \brief Remove nodes and elements bound to submesh
1287 * \param subMesh - submesh containing nodes and elements
1289 //================================================================================
1291 static void cleanSubMesh( SMESH_subMesh * subMesh )
1294 if (SMESHDS_SubMesh * subMeshDS = subMesh->GetSubMeshDS()) {
1295 SMESHDS_Mesh * meshDS = subMesh->GetFather()->GetMeshDS();
1296 SMDS_ElemIteratorPtr ite = subMeshDS->GetElements();
1297 while (ite->more()) {
1298 const SMDS_MeshElement * elt = ite->next();
1299 //MESSAGE( " RM elt: "<<elt->GetID()<<" ( "<<elt->NbNodes()<<" )" );
1300 //meshDS->RemoveElement(elt);
1301 meshDS->RemoveFreeElement(elt, subMeshDS);
1304 SMDS_NodeIteratorPtr itn = subMeshDS->GetNodes();
1305 while (itn->more()) {
1306 const SMDS_MeshNode * node = itn->next();
1307 //MESSAGE( " RM node: "<<node->GetID());
1308 if ( node->NbInverseElements() == 0 )
1309 meshDS->RemoveFreeNode(node, subMeshDS);
1310 else // for StdMeshers_CompositeSegment_1D: node in one submesh, edge in another
1311 meshDS->RemoveNode(node);
1317 //=============================================================================
1321 //=============================================================================
1323 bool SMESH_subMesh::ComputeStateEngine(int event)
1326 case MODIF_ALGO_STATE:
1328 //case COMPUTE_CANCELED:
1330 //case SUBMESH_COMPUTED:
1331 //case SUBMESH_RESTORED:
1332 //case SUBMESH_LOADED:
1333 //case MESH_ENTITY_REMOVED:
1334 //case CHECK_COMPUTE_STATE:
1335 _computeError.reset(); break;
1339 if (_subShape.ShapeType() == TopAbs_VERTEX)
1341 _computeState = READY_TO_COMPUTE;
1342 SMESHDS_SubMesh* smDS = GetSubMeshDS();
1343 if ( smDS && smDS->NbNodes() ) {
1344 if ( event == CLEAN ) {
1346 cleanSubMesh( this );
1349 _computeState = COMPUTE_OK;
1351 else if ( event == COMPUTE && !_alwaysComputed ) {
1352 const TopoDS_Vertex & V = TopoDS::Vertex( _subShape );
1353 gp_Pnt P = BRep_Tool::Pnt(V);
1354 if ( SMDS_MeshNode * n = _father->GetMeshDS()->AddNode(P.X(), P.Y(), P.Z()) ) {
1355 _father->GetMeshDS()->SetNodeOnVertex(n,_Id);
1356 _computeState = COMPUTE_OK;
1359 if ( event == MODIF_ALGO_STATE )
1363 SMESH_Gen *gen = _father->GetGen();
1364 SMESH_Algo *algo = 0;
1366 SMESH_Hypothesis::Hypothesis_Status hyp_status;
1367 //algo_state oldAlgoState = (algo_state) GetAlgoState();
1369 switch (_computeState)
1372 // ----------------------------------------------------------------------
1377 case MODIF_ALGO_STATE:
1379 if (algo && !algo->NeedDiscreteBoundary())
1380 cleanDependsOn( algo->SupportSubmeshes() ); // clean sub-meshes with event CLEAN
1381 if ( _algoState == HYP_OK )
1382 _computeState = READY_TO_COMPUTE;
1384 case COMPUTE: // nothing to do
1386 #ifdef WITH_SMESH_CANCEL_COMPUTE
1387 case COMPUTE_CANCELED: // nothing to do
1392 removeSubMeshElementsAndNodes();
1394 case SUBMESH_COMPUTED: // nothing to do
1396 case SUBMESH_RESTORED:
1397 ComputeSubMeshStateEngine( SUBMESH_RESTORED );
1399 case MESH_ENTITY_REMOVED:
1401 case SUBMESH_LOADED:
1402 loadDependentMeshes();
1403 ComputeSubMeshStateEngine( SUBMESH_LOADED );
1405 case CHECK_COMPUTE_STATE:
1406 if ( IsMeshComputed() )
1407 _computeState = COMPUTE_OK;
1415 // ----------------------------------------------------------------------
1417 case READY_TO_COMPUTE:
1420 case MODIF_ALGO_STATE:
1421 _computeState = NOT_READY;
1425 if (!algo->NeedDiscreteBoundary())
1426 cleanDependsOn( algo->SupportSubmeshes() ); // clean sub-meshes with event CLEAN
1427 if ( _algoState == HYP_OK )
1428 _computeState = READY_TO_COMPUTE;
1435 ret = algo->CheckHypothesis((*_father), _subShape, hyp_status);
1438 MESSAGE("***** verify compute state *****");
1439 _computeState = NOT_READY;
1440 setAlgoState(MISSING_HYP);
1443 TopoDS_Shape shape = _subShape;
1444 // check submeshes needed
1445 if (_father->HasShapeToMesh() ) {
1446 bool subComputed = false, subFailed = false;
1447 if (!algo->OnlyUnaryInput())
1448 shape = getCollection( gen, algo, subComputed, subFailed );
1450 subComputed = SubMeshesComputed();
1451 ret = ( algo->NeedDiscreteBoundary() ? subComputed :
1452 algo->SupportSubmeshes() ? !subFailed :
1453 ( !subComputed || _father->IsNotConformAllowed() ));
1456 _computeState = FAILED_TO_COMPUTE;
1457 if ( !algo->NeedDiscreteBoundary() && !subFailed )
1459 SMESH_ComputeError::New(COMPERR_BAD_INPUT_MESH,
1460 "Unexpected computed submesh",algo);
1466 //cleanDependants(); for "UseExisting_*D" algos
1467 //removeSubMeshElementsAndNodes();
1468 loadDependentMeshes();
1470 _computeState = FAILED_TO_COMPUTE;
1471 _computeError = SMESH_ComputeError::New(COMPERR_OK,"",algo);
1473 #if OCC_VERSION_LARGE > 0x06010000
1476 algo->InitComputeError();
1477 MemoryReserve aMemoryReserve;
1478 SMDS_Mesh::CheckMemory();
1479 Kernel_Utils::Localizer loc;
1480 if ( !_father->HasShapeToMesh() ) // no shape
1482 SMESH_MesherHelper helper( *_father );
1483 helper.SetSubShape( shape );
1484 helper.SetElementsOnShape( true );
1485 ret = algo->Compute(*_father, &helper );
1489 ret = algo->Compute((*_father), shape);
1491 if ( !_computeError || ( !ret && _computeError->IsOK() ) ) // algo can set _computeError of submesh
1492 _computeError = algo->GetComputeError();
1494 catch ( ::SMESH_ComputeError& comperr ) {
1495 cout << " SMESH_ComputeError caught" << endl;
1496 if ( !_computeError ) _computeError = SMESH_ComputeError::New();
1497 *_computeError = comperr;
1499 catch ( std::bad_alloc& exc ) {
1500 MESSAGE("std::bad_alloc thrown inside algo->Compute()");
1501 if ( _computeError ) {
1502 _computeError->myName = COMPERR_MEMORY_PB;
1503 //_computeError->myComment = exc.what();
1505 cleanSubMesh( this );
1508 catch ( Standard_OutOfMemory& exc ) {
1509 MESSAGE("Standard_OutOfMemory thrown inside algo->Compute()");
1510 if ( _computeError ) {
1511 _computeError->myName = COMPERR_MEMORY_PB;
1512 //_computeError->myComment = exc.what();
1514 cleanSubMesh( this );
1515 throw std::bad_alloc();
1517 catch (Standard_Failure& ex) {
1518 if ( !_computeError ) _computeError = SMESH_ComputeError::New();
1519 _computeError->myName = COMPERR_OCC_EXCEPTION;
1520 _computeError->myComment += ex.DynamicType()->Name();
1521 if ( ex.GetMessageString() && strlen( ex.GetMessageString() )) {
1522 _computeError->myComment += ": ";
1523 _computeError->myComment += ex.GetMessageString();
1526 catch ( SALOME_Exception& S_ex ) {
1527 const int skipSalomeShift = 7; /* to skip "Salome " of
1528 "Salome Exception" prefix returned
1529 by SALOME_Exception::what() */
1530 if ( !_computeError ) _computeError = SMESH_ComputeError::New();
1531 _computeError->myName = COMPERR_SLM_EXCEPTION;
1532 _computeError->myComment = S_ex.what() + skipSalomeShift;
1534 catch ( std::exception& exc ) {
1535 if ( !_computeError ) _computeError = SMESH_ComputeError::New();
1536 _computeError->myName = COMPERR_STD_EXCEPTION;
1537 _computeError->myComment = exc.what();
1540 if ( _computeError )
1541 _computeError->myName = COMPERR_EXCEPTION;
1545 // check if an error reported on any sub-shape
1546 bool isComputeErrorSet = !checkComputeError( algo, ret, shape );
1547 if ( isComputeErrorSet )
1549 // check if anything was built
1550 TopExp_Explorer subS(shape, _subShape.ShapeType());
1553 for (; ret && subS.More(); subS.Next())
1554 ret = _father->GetSubMesh( subS.Current() )->IsMeshComputed();
1556 // Set _computeError
1557 if (!ret && !isComputeErrorSet)
1559 for (subS.ReInit(); subS.More(); subS.Next())
1561 SMESH_subMesh* sm = _father->GetSubMesh( subS.Current() );
1562 if ( !sm->IsMeshComputed() )
1564 if ( !sm->_computeError )
1565 sm->_computeError = SMESH_ComputeError::New();
1566 if ( sm->_computeError->IsOK() )
1567 sm->_computeError->myName = COMPERR_ALGO_FAILED;
1568 sm->_computeState = FAILED_TO_COMPUTE;
1569 sm->_computeError->myAlgo = algo;
1573 if (ret && _computeError && _computeError->myName != COMPERR_WARNING )
1575 _computeError.reset();
1578 // send event SUBMESH_COMPUTED
1580 if ( !algo->NeedDiscreteBoundary() )
1581 // send SUBMESH_COMPUTED to dependants of all sub-meshes of shape
1582 for (subS.ReInit(); subS.More(); subS.Next())
1584 SMESH_subMesh* sm = _father->GetSubMesh( subS.Current() );
1585 SMESH_subMeshIteratorPtr smIt = sm->getDependsOnIterator(false,false);
1586 while ( smIt->more() ) {
1588 if ( sm->GetSubShape().ShapeType() == TopAbs_VERTEX )
1589 sm->updateDependantsState( SUBMESH_COMPUTED );
1595 updateDependantsState( SUBMESH_COMPUTED );
1599 #ifdef WITH_SMESH_CANCEL_COMPUTE
1600 case COMPUTE_CANCELED: // nothing to do
1605 removeSubMeshElementsAndNodes();
1606 _computeState = NOT_READY;
1610 ret = algo->CheckHypothesis((*_father), _subShape, hyp_status);
1612 _computeState = READY_TO_COMPUTE;
1614 setAlgoState(MISSING_HYP);
1617 case SUBMESH_COMPUTED: // nothing to do
1619 case SUBMESH_RESTORED:
1620 // check if a mesh is already computed that may
1621 // happen after retrieval from a file
1622 ComputeStateEngine( CHECK_COMPUTE_STATE );
1623 ComputeSubMeshStateEngine( SUBMESH_RESTORED );
1625 if (algo) algo->SubmeshRestored( this );
1627 case MESH_ENTITY_REMOVED:
1629 case SUBMESH_LOADED:
1630 loadDependentMeshes();
1631 ComputeSubMeshStateEngine( SUBMESH_LOADED );
1633 case CHECK_COMPUTE_STATE:
1634 if ( IsMeshComputed() )
1635 _computeState = COMPUTE_OK;
1643 // ----------------------------------------------------------------------
1648 case MODIF_ALGO_STATE:
1649 ComputeStateEngine( CLEAN );
1651 if (algo && !algo->NeedDiscreteBoundary())
1652 cleanDependsOn( algo->SupportSubmeshes() ); // clean sub-meshes with event CLEAN
1654 case COMPUTE: // nothing to do
1656 #ifdef WITH_SMESH_CANCEL_COMPUTE
1657 case COMPUTE_CANCELED: // nothing to do
1661 cleanDependants(); // clean sub-meshes, dependant on this one, with event CLEAN
1662 removeSubMeshElementsAndNodes();
1663 _computeState = NOT_READY;
1664 if ( _algoState == HYP_OK )
1665 _computeState = READY_TO_COMPUTE;
1667 case SUBMESH_COMPUTED: // nothing to do
1669 case SUBMESH_RESTORED:
1670 ComputeStateEngine( CHECK_COMPUTE_STATE );
1671 ComputeSubMeshStateEngine( SUBMESH_RESTORED );
1673 if (algo) algo->SubmeshRestored( this );
1675 case MESH_ENTITY_REMOVED:
1676 updateDependantsState ( CHECK_COMPUTE_STATE );
1677 ComputeStateEngine ( CHECK_COMPUTE_STATE );
1678 ComputeSubMeshStateEngine( CHECK_COMPUTE_STATE );
1680 case CHECK_COMPUTE_STATE:
1681 if ( !IsMeshComputed() ) {
1682 if (_algoState == HYP_OK)
1683 _computeState = READY_TO_COMPUTE;
1685 _computeState = NOT_READY;
1688 case SUBMESH_LOADED:
1689 // already treated event, thanks to which _computeState == COMPUTE_OK
1697 // ----------------------------------------------------------------------
1699 case FAILED_TO_COMPUTE:
1702 case MODIF_ALGO_STATE:
1704 ComputeStateEngine( CLEAN );
1706 if (algo && !algo->NeedDiscreteBoundary())
1707 cleanDependsOn( algo->SupportSubmeshes() ); // clean sub-meshes with event CLEAN
1708 if (_algoState == HYP_OK)
1709 _computeState = READY_TO_COMPUTE;
1711 _computeState = NOT_READY;
1713 case COMPUTE: // nothing to do
1715 case COMPUTE_CANCELED:
1718 algo->CancelCompute();
1722 cleanDependants(); // submeshes dependent on me should be cleaned as well
1723 removeSubMeshElementsAndNodes();
1725 case SUBMESH_COMPUTED: // allow retry compute
1726 if (_algoState == HYP_OK)
1727 _computeState = READY_TO_COMPUTE;
1729 _computeState = NOT_READY;
1731 case SUBMESH_RESTORED:
1732 ComputeSubMeshStateEngine( SUBMESH_RESTORED );
1734 case MESH_ENTITY_REMOVED:
1736 case CHECK_COMPUTE_STATE:
1737 if ( IsMeshComputed() )
1738 _computeState = COMPUTE_OK;
1740 if (_algoState == HYP_OK)
1741 _computeState = READY_TO_COMPUTE;
1743 _computeState = NOT_READY;
1745 // case SUBMESH_LOADED:
1753 // ----------------------------------------------------------------------
1759 notifyListenersOnEvent( event, COMPUTE_EVENT );
1765 //=============================================================================
1769 //=============================================================================
1771 bool SMESH_subMesh::Evaluate(MapShapeNbElems& aResMap)
1773 _computeError.reset();
1777 if (_subShape.ShapeType() == TopAbs_VERTEX) {
1778 vector<int> aVec(SMDSEntity_Last,0);
1779 aVec[SMDSEntity_Node] = 1;
1780 aResMap.insert(make_pair(this,aVec));
1784 //SMESH_Gen *gen = _father->GetGen();
1785 SMESH_Algo *algo = 0;
1786 SMESH_Hypothesis::Hypothesis_Status hyp_status;
1789 if(algo && !aResMap.count(this) )
1791 ret = algo->CheckHypothesis((*_father), _subShape, hyp_status);
1792 if (!ret) return false;
1794 if (_father->HasShapeToMesh() && algo->NeedDiscreteBoundary())
1796 // check submeshes needed
1797 bool subMeshEvaluated = true;
1798 int dimToCheck = SMESH_Gen::GetShapeDim( _subShape ) - 1;
1799 SMESH_subMeshIteratorPtr smIt = getDependsOnIterator(false,/*complexShapeFirst=*/true);
1800 while ( smIt->more() && subMeshEvaluated )
1802 SMESH_subMesh* sm = smIt->next();
1803 int dim = SMESH_Gen::GetShapeDim( sm->GetSubShape() );
1804 if (dim < dimToCheck) break; // the rest subMeshes are all of less dimension
1805 const vector<int> & nbs = aResMap[ sm ];
1806 subMeshEvaluated = (std::accumulate( nbs.begin(), nbs.end(), 0 ) > 0 );
1808 if ( !subMeshEvaluated )
1811 _computeError = SMESH_ComputeError::New(COMPERR_OK,"",algo);
1812 ret = algo->Evaluate((*_father), _subShape, aResMap);
1814 aResMap.insert( make_pair( this,vector<int>(0)));
1821 //=======================================================================
1823 * \brief Update compute_state by _computeError and send proper events to
1824 * dependent submeshes
1825 * \retval bool - true if _computeError is NOT set
1827 //=======================================================================
1829 bool SMESH_subMesh::checkComputeError(SMESH_Algo* theAlgo,
1830 const bool theComputeOK,
1831 const TopoDS_Shape& theShape)
1833 bool noErrors = true;
1835 if ( !theShape.IsNull() )
1837 // Check state of submeshes
1838 if ( !theAlgo->NeedDiscreteBoundary())
1840 SMESH_subMeshIteratorPtr smIt = getDependsOnIterator(false,false);
1841 while ( smIt->more() )
1842 if ( !smIt->next()->checkComputeError( theAlgo, theComputeOK ))
1846 // Check state of neighbours
1847 if ( !theAlgo->OnlyUnaryInput() &&
1848 theShape.ShapeType() == TopAbs_COMPOUND &&
1849 !theShape.IsSame( _subShape ))
1851 for (TopoDS_Iterator subIt( theShape ); subIt.More(); subIt.Next()) {
1852 SMESH_subMesh* sm = _father->GetSubMesh( subIt.Value() );
1854 if ( !sm->checkComputeError( theAlgo, theComputeOK, sm->GetSubShape() ))
1856 updateDependantsState( SUBMESH_COMPUTED ); // send event SUBMESH_COMPUTED
1863 // Set my _computeState
1865 if ( !_computeError || _computeError->IsOK() )
1867 // no error description is set to this sub-mesh, check if any mesh is computed
1868 _computeState = IsMeshComputed() ? COMPUTE_OK : FAILED_TO_COMPUTE;
1869 if ( _computeState != COMPUTE_OK )
1871 if ( _subShape.ShapeType() == TopAbs_EDGE &&
1872 BRep_Tool::Degenerated( TopoDS::Edge( _subShape )) )
1873 _computeState = COMPUTE_OK;
1874 else if ( theComputeOK )
1875 _computeError = SMESH_ComputeError::New(COMPERR_NO_MESH_ON_SHAPE,"",theAlgo);
1879 if ( _computeError && !_computeError->IsOK() )
1881 if ( !_computeError->myAlgo )
1882 _computeError->myAlgo = theAlgo;
1886 text << theAlgo->GetName() << " failed on sub-shape #" << _Id << " with error ";
1887 if (_computeError->IsCommon() )
1888 text << _computeError->CommonName();
1890 text << _computeError->myName;
1891 if ( _computeError->myComment.size() > 0 )
1892 text << " \"" << _computeError->myComment << "\"";
1896 _computeState = _computeError->IsKO() ? FAILED_TO_COMPUTE : COMPUTE_OK;
1904 //=======================================================================
1905 //function : updateSubMeshState
1907 //=======================================================================
1909 void SMESH_subMesh::updateSubMeshState(const compute_state theState)
1911 SMESH_subMeshIteratorPtr smIt = getDependsOnIterator(false,false);
1912 while ( smIt->more() )
1913 smIt->next()->_computeState = theState;
1916 //=======================================================================
1917 //function : ComputeSubMeshStateEngine
1919 //=======================================================================
1921 void SMESH_subMesh::ComputeSubMeshStateEngine(int event, const bool includeSelf)
1923 SMESH_subMeshIteratorPtr smIt = getDependsOnIterator(includeSelf,false);
1924 while ( smIt->more() )
1925 smIt->next()->ComputeStateEngine(event);
1928 //=======================================================================
1929 //function : updateDependantsState
1931 //=======================================================================
1933 void SMESH_subMesh::updateDependantsState(const compute_event theEvent)
1935 TopTools_ListIteratorOfListOfShape it( _father->GetAncestors( _subShape ));
1936 for (; it.More(); it.Next())
1938 const TopoDS_Shape& ancestor = it.Value();
1939 if ( SMESH_subMesh *aSubMesh = _father->GetSubMeshContaining(ancestor))
1940 aSubMesh->ComputeStateEngine( theEvent );
1944 //=============================================================================
1948 //=============================================================================
1950 void SMESH_subMesh::cleanDependants()
1952 int dimToClean = SMESH_Gen::GetShapeDim( _subShape ) + 1;
1954 TopTools_ListIteratorOfListOfShape it( _father->GetAncestors( _subShape ));
1955 for (; it.More(); it.Next())
1957 const TopoDS_Shape& ancestor = it.Value();
1958 if ( SMESH_Gen::GetShapeDim( ancestor ) == dimToClean ) {
1959 // PAL8021. do not go upper than SOLID, else ComputeStateEngine(CLEAN)
1960 // will erase mesh on other shapes in a compound
1961 if ( ancestor.ShapeType() >= TopAbs_SOLID ) {
1962 SMESH_subMesh *aSubMesh = _father->GetSubMeshContaining(ancestor);
1964 !aSubMesh->IsEmpty() ) // prevent infinite CLEAN via event lesteners
1965 aSubMesh->ComputeStateEngine(CLEAN);
1971 //=============================================================================
1975 //=============================================================================
1977 void SMESH_subMesh::removeSubMeshElementsAndNodes()
1979 cleanSubMesh( this );
1981 // algo may bind a submesh not to _subShape, eg 3D algo
1982 // sets nodes on SHELL while _subShape may be SOLID
1984 int dim = SMESH_Gen::GetShapeDim( _subShape );
1985 int type = _subShape.ShapeType() + 1;
1986 for ( ; type <= TopAbs_EDGE; type++) {
1987 if ( dim == SMESH_Gen::GetShapeDim( (TopAbs_ShapeEnum) type ))
1989 TopExp_Explorer exp( _subShape, (TopAbs_ShapeEnum) type );
1990 for ( ; exp.More(); exp.Next() )
1991 cleanSubMesh( _father->GetSubMeshContaining( exp.Current() ));
1998 //=======================================================================
1999 //function : getCollection
2000 //purpose : return a shape containing all sub-shapes of the MainShape that can be
2001 // meshed at once along with _subShape
2002 //=======================================================================
2004 TopoDS_Shape SMESH_subMesh::getCollection(SMESH_Gen * theGen,
2005 SMESH_Algo* theAlgo,
2006 bool & theSubComputed,
2007 bool & theSubFailed)
2009 theSubComputed = SubMeshesComputed( & theSubFailed );
2011 TopoDS_Shape mainShape = _father->GetMeshDS()->ShapeToMesh();
2013 if ( mainShape.IsSame( _subShape ))
2016 const bool ignoreAuxiliaryHyps = false;
2017 list<const SMESHDS_Hypothesis*> aUsedHyp =
2018 theAlgo->GetUsedHypothesis( *_father, _subShape, ignoreAuxiliaryHyps ); // copy
2020 // put in a compound all shapes with the same hypothesis assigned
2021 // and a good ComputState
2023 TopoDS_Compound aCompound;
2024 BRep_Builder aBuilder;
2025 aBuilder.MakeCompound( aCompound );
2027 TopExp_Explorer anExplorer( mainShape, _subShape.ShapeType() );
2028 for ( ; anExplorer.More(); anExplorer.Next() )
2030 const TopoDS_Shape& S = anExplorer.Current();
2031 SMESH_subMesh* subMesh = _father->GetSubMesh( S );
2032 if ( subMesh == this )
2034 aBuilder.Add( aCompound, S );
2036 else if ( subMesh->GetComputeState() == READY_TO_COMPUTE )
2038 SMESH_Algo* anAlgo = theGen->GetAlgo( *_father, S );
2039 if (strcmp( anAlgo->GetName(), theAlgo->GetName()) == 0 && // same algo
2040 anAlgo->GetUsedHypothesis( *_father, S, ignoreAuxiliaryHyps ) == aUsedHyp) // same hyps
2041 aBuilder.Add( aCompound, S );
2042 if ( !subMesh->SubMeshesComputed() )
2043 theSubComputed = false;
2050 //=======================================================================
2051 //function : getSimilarAttached
2052 //purpose : return a hypothesis attached to theShape.
2053 // If theHyp is provided, similar but not same hypotheses
2054 // is returned; else only applicable ones having theHypType
2056 //=======================================================================
2058 const SMESH_Hypothesis* SMESH_subMesh::getSimilarAttached(const TopoDS_Shape& theShape,
2059 const SMESH_Hypothesis * theHyp,
2060 const int theHypType)
2062 SMESH_HypoFilter hypoKind;
2063 hypoKind.Init( hypoKind.HasType( theHyp ? theHyp->GetType() : theHypType ));
2065 hypoKind.And ( hypoKind.HasDim( theHyp->GetDim() ));
2066 hypoKind.AndNot( hypoKind.Is( theHyp ));
2067 if ( theHyp->IsAuxiliary() )
2068 hypoKind.And( hypoKind.HasName( theHyp->GetName() ));
2070 hypoKind.AndNot( hypoKind.IsAuxiliary());
2073 hypoKind.And( hypoKind.IsApplicableTo( theShape ));
2076 return _father->GetHypothesis( theShape, hypoKind, false );
2079 //=======================================================================
2080 //function : CheckConcurentHypothesis
2081 //purpose : check if there are several applicable hypothesis attached to
2083 //=======================================================================
2085 SMESH_Hypothesis::Hypothesis_Status
2086 SMESH_subMesh::CheckConcurentHypothesis (const int theHypType)
2088 MESSAGE ("SMESH_subMesh::CheckConcurentHypothesis");
2090 // is there local hypothesis on me?
2091 if ( getSimilarAttached( _subShape, 0, theHypType ) )
2092 return SMESH_Hypothesis::HYP_OK;
2095 TopoDS_Shape aPrevWithHyp;
2096 const SMESH_Hypothesis* aPrevHyp = 0;
2097 TopTools_ListIteratorOfListOfShape it( _father->GetAncestors( _subShape ));
2098 for (; it.More(); it.Next())
2100 const TopoDS_Shape& ancestor = it.Value();
2101 const SMESH_Hypothesis* hyp = getSimilarAttached( ancestor, 0, theHypType );
2104 if ( aPrevWithHyp.IsNull() || aPrevWithHyp.IsSame( ancestor ))
2106 aPrevWithHyp = ancestor;
2109 else if ( aPrevWithHyp.ShapeType() == ancestor.ShapeType() && aPrevHyp != hyp )
2110 return SMESH_Hypothesis::HYP_CONCURENT;
2112 return SMESH_Hypothesis::HYP_OK;
2115 return SMESH_Hypothesis::HYP_OK;
2118 //================================================================================
2120 * \brief Constructor of OwnListenerData
2122 //================================================================================
2124 SMESH_subMesh::OwnListenerData::OwnListenerData( SMESH_subMesh* sm, EventListener* el):
2126 myMeshID( sm ? sm->GetFather()->GetId() : -1 ),
2127 mySubMeshID( sm ? sm->GetId() : -1 ),
2132 //================================================================================
2134 * \brief Sets an event listener and its data to a submesh
2135 * \param listener - the listener to store
2136 * \param data - the listener data to store
2137 * \param where - the submesh to store the listener and it's data
2139 * It remembers the submesh where it puts the listener in order to delete
2140 * them when HYP_OK algo_state is lost
2141 * After being set, event listener is notified on each event of where submesh.
2143 //================================================================================
2145 void SMESH_subMesh::SetEventListener(EventListener* listener,
2146 EventListenerData* data,
2147 SMESH_subMesh* where)
2149 if ( listener && where ) {
2150 where->setEventListener( listener, data );
2151 _ownListeners.push_back( OwnListenerData( where, listener ));
2155 //================================================================================
2157 * \brief Sets an event listener and its data to a submesh
2158 * \param listener - the listener to store
2159 * \param data - the listener data to store
2161 * After being set, event listener is notified on each event of a submesh.
2163 //================================================================================
2165 void SMESH_subMesh::setEventListener(EventListener* listener,
2166 EventListenerData* data)
2168 map< EventListener*, EventListenerData* >::iterator l_d =
2169 _eventListeners.find( listener );
2170 if ( l_d != _eventListeners.end() ) {
2171 EventListenerData* curData = l_d->second;
2172 if ( curData && curData != data && curData->IsDeletable() )
2178 for ( l_d = _eventListeners.begin(); l_d != _eventListeners.end(); ++l_d )
2179 if ( listener->GetName() == l_d->first->GetName() )
2181 EventListenerData* curData = l_d->second;
2182 if ( curData && curData != data && curData->IsDeletable() )
2184 if ( l_d->first->IsDeletable() )
2186 _eventListeners.erase( l_d );
2189 _eventListeners.insert( make_pair( listener, data ));
2193 //================================================================================
2195 * \brief Return an event listener data
2196 * \param listener - the listener whose data is
2197 * \retval EventListenerData* - found data, maybe NULL
2199 //================================================================================
2201 EventListenerData* SMESH_subMesh::GetEventListenerData(EventListener* listener) const
2203 map< EventListener*, EventListenerData* >::const_iterator l_d =
2204 _eventListeners.find( listener );
2205 if ( l_d != _eventListeners.end() )
2210 //================================================================================
2212 * \brief Return an event listener data
2213 * \param listenerName - the listener name
2214 * \retval EventListenerData* - found data, maybe NULL
2216 //================================================================================
2218 EventListenerData* SMESH_subMesh::GetEventListenerData(const string& listenerName) const
2220 map< EventListener*, EventListenerData* >::const_iterator l_d = _eventListeners.begin();
2221 for ( ; l_d != _eventListeners.end(); ++l_d )
2222 if ( listenerName == l_d->first->GetName() )
2227 //================================================================================
2229 * \brief Notify stored event listeners on the occured event
2230 * \param event - algo_event or compute_event itself
2231 * \param eventType - algo_event or compute_event
2232 * \param hyp - hypothesis, if eventType is algo_event
2234 //================================================================================
2236 void SMESH_subMesh::notifyListenersOnEvent( const int event,
2237 const event_type eventType,
2238 SMESH_Hypothesis* hyp)
2240 map< EventListener*, EventListenerData* >::iterator l_d = _eventListeners.begin();
2241 for ( ; l_d != _eventListeners.end(); )
2243 std::pair< EventListener*, EventListenerData* > li_da = *l_d++; /* copy to enable removal
2246 its ProcessEvent() */
2247 if ( li_da.first->myBusySM.insert( this ).second )
2249 const size_t nbListenersBefore = _eventListeners.size();
2250 li_da.first->ProcessEvent( event, eventType, this, li_da.second, hyp );
2251 if ( nbListenersBefore == _eventListeners.size() )
2252 li_da.first->myBusySM.erase( this ); // a listener hopefully not removed
2257 //================================================================================
2259 * \brief Unregister the listener and delete listener's data
2260 * \param listener - the event listener
2262 //================================================================================
2264 void SMESH_subMesh::DeleteEventListener(EventListener* listener)
2266 map< EventListener*, EventListenerData* >::iterator l_d =
2267 _eventListeners.find( listener );
2268 if ( l_d != _eventListeners.end() && l_d->first )
2270 if ( l_d->second && l_d->second->IsDeletable() )
2274 l_d->first->myBusySM.erase( this );
2275 if ( l_d->first->IsDeletable() )
2277 l_d->first->BeforeDelete( this, l_d->second );
2280 _eventListeners.erase( l_d );
2284 //================================================================================
2286 * \brief Delete event listeners depending on algo of this submesh
2288 //================================================================================
2290 void SMESH_subMesh::deleteOwnListeners()
2292 list< OwnListenerData >::iterator d;
2293 for ( d = _ownListeners.begin(); d != _ownListeners.end(); ++d )
2295 if ( !_father->MeshExists( d->myMeshID ))
2297 if ( _father->GetId() == d->myMeshID && !_father->GetSubMeshContaining( d->mySubMeshID ))
2299 d->mySubMesh->DeleteEventListener( d->myListener );
2301 _ownListeners.clear();
2304 //=======================================================================
2305 //function : loadDependentMeshes
2306 //purpose : loads dependent meshes on SUBMESH_LOADED event
2307 //=======================================================================
2309 void SMESH_subMesh::loadDependentMeshes()
2311 list< OwnListenerData >::iterator d;
2312 for ( d = _ownListeners.begin(); d != _ownListeners.end(); ++d )
2313 if ( _father != d->mySubMesh->_father )
2314 d->mySubMesh->_father->Load();
2316 // map< EventListener*, EventListenerData* >::iterator l_d = _eventListeners.begin();
2317 // for ( ; l_d != _eventListeners.end(); ++l_d )
2318 // if ( l_d->second )
2320 // const list<SMESH_subMesh*>& smList = l_d->second->mySubMeshes;
2321 // list<SMESH_subMesh*>::const_iterator sm = smList.begin();
2322 // for ( ; sm != smList.end(); ++sm )
2323 // if ( _father != (*sm)->_father )
2324 // (*sm)->_father->Load();
2328 //================================================================================
2330 * \brief Do something on a certain event
2331 * \param event - algo_event or compute_event itself
2332 * \param eventType - algo_event or compute_event
2333 * \param subMesh - the submesh where the event occures
2334 * \param data - listener data stored in the subMesh
2335 * \param hyp - hypothesis, if eventType is algo_event
2337 * The base implementation translates CLEAN event to the subMesh
2338 * stored in listener data. Also it sends SUBMESH_COMPUTED event in case of
2339 * successful COMPUTE event.
2341 //================================================================================
2343 void SMESH_subMeshEventListener::ProcessEvent(const int event,
2344 const int eventType,
2345 SMESH_subMesh* subMesh,
2346 EventListenerData* data,
2347 const SMESH_Hypothesis* /*hyp*/)
2349 if ( data && !data->mySubMeshes.empty() &&
2350 eventType == SMESH_subMesh::COMPUTE_EVENT)
2352 ASSERT( data->mySubMeshes.front() != subMesh );
2353 list<SMESH_subMesh*>::iterator smIt = data->mySubMeshes.begin();
2354 list<SMESH_subMesh*>::iterator smEnd = data->mySubMeshes.end();
2356 case SMESH_subMesh::CLEAN:
2357 for ( ; smIt != smEnd; ++ smIt)
2358 (*smIt)->ComputeStateEngine( event );
2360 case SMESH_subMesh::COMPUTE:
2361 if ( subMesh->GetComputeState() == SMESH_subMesh::COMPUTE_OK )
2362 for ( ; smIt != smEnd; ++ smIt)
2363 (*smIt)->ComputeStateEngine( SMESH_subMesh::SUBMESH_COMPUTED );
2372 //================================================================================
2374 * \brief Iterator over submeshes and optionally prepended or appended one
2376 //================================================================================
2378 struct _Iterator : public SMDS_Iterator<SMESH_subMesh*>
2380 _Iterator(SMDS_Iterator<SMESH_subMesh*>* subIt,
2381 SMESH_subMesh* prepend,
2382 SMESH_subMesh* append): myIt(subIt),myAppend(append)
2384 myCur = prepend ? prepend : myIt->more() ? myIt->next() : append;
2385 if ( myCur == append ) append = 0;
2387 /// Return true if and only if there are other object in this iterator
2392 /// Return the current object and step to the next one
2393 virtual SMESH_subMesh* next()
2395 SMESH_subMesh* res = myCur;
2396 if ( myIt->more() ) { myCur = myIt->next(); }
2397 else { myCur = myAppend; myAppend = 0; }
2404 SMESH_subMesh *myAppend, *myCur;
2405 SMDS_Iterator<SMESH_subMesh*> *myIt;
2409 //================================================================================
2411 * \brief Return iterator on the submeshes this one depends on
2412 * \param includeSelf - this submesh to be returned also
2413 * \param reverse - if true, complex shape submeshes go first
2415 //================================================================================
2417 SMESH_subMeshIteratorPtr SMESH_subMesh::getDependsOnIterator(const bool includeSelf,
2418 const bool reverse) const
2420 SMESH_subMesh *me = (SMESH_subMesh*) this;
2421 SMESH_subMesh *prepend=0, *append=0;
2422 if ( includeSelf ) {
2423 if ( reverse ) prepend = me;
2426 typedef map < int, SMESH_subMesh * > TMap;
2429 return SMESH_subMeshIteratorPtr
2430 ( new _Iterator( new SMDS_mapReverseIterator<TMap>( me->DependsOn() ), prepend, append ));
2433 return SMESH_subMeshIteratorPtr
2434 ( new _Iterator( new SMDS_mapIterator<TMap>( me->DependsOn() ), prepend, append ));
2438 //================================================================================
2440 * \brief Find common submeshes (based on shared sub-shapes with other
2441 * \param theOther submesh to check
2442 * \param theSetOfCommon set of common submesh
2444 //================================================================================
2446 bool SMESH_subMesh::FindIntersection(const SMESH_subMesh* theOther,
2447 std::set<const SMESH_subMesh*>& theSetOfCommon ) const
2449 int oldNb = theSetOfCommon.size();
2450 // check main submeshes
2451 const map <int, SMESH_subMesh*>::const_iterator otherEnd = theOther->_mapDepend.end();
2452 if ( theOther->_mapDepend.find(this->GetId()) != otherEnd )
2453 theSetOfCommon.insert( this );
2454 if ( _mapDepend.find(theOther->GetId()) != _mapDepend.end() )
2455 theSetOfCommon.insert( theOther );
2456 // check common submeshes
2457 map <int, SMESH_subMesh*>::const_iterator mapIt = _mapDepend.begin();
2458 for( ; mapIt != _mapDepend.end(); mapIt++ )
2459 if ( theOther->_mapDepend.find((*mapIt).first) != otherEnd )
2460 theSetOfCommon.insert( (*mapIt).second );
2461 return oldNb < theSetOfCommon.size();