1 // SMESH SMESH : implementaion of SMESH idl descriptions
3 // Copyright (C) 2003 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
4 // CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
6 // This library is free software; you can redistribute it and/or
7 // modify it under the terms of the GNU Lesser General Public
8 // License as published by the Free Software Foundation; either
9 // version 2.1 of the License.
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 // Lesser General Public License for more details.
16 // You should have received a copy of the GNU Lesser General Public
17 // License along with this library; if not, write to the Free Software
18 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
24 // File : SMESH_subMesh.cxx
25 // Author : Paul RASCLE, EDF
29 #include "SMESH_subMesh.hxx"
31 #include "SMESH_Algo.hxx"
32 #include "SMESH_Gen.hxx"
33 #include "SMESH_HypoFilter.hxx"
34 #include "SMESH_Hypothesis.hxx"
35 #include "SMESH_Mesh.hxx"
36 #include "SMESH_MesherHelper.hxx"
37 #include "SMESH_subMeshEventListener.hxx"
38 #include "SMESH_Comment.hxx"
39 #include "SMDS_SetIterator.hxx"
41 #include "utilities.h"
44 #include <BRep_Builder.hxx>
45 #include <BRep_Tool.hxx>
47 #include <TopTools_IndexedMapOfShape.hxx>
48 #include <TopTools_ListIteratorOfListOfShape.hxx>
50 #include <TopoDS_Compound.hxx>
52 #include <TopExp_Explorer.hxx>
53 #include <TopoDS_Iterator.hxx>
55 #include <Standard_OutOfMemory.hxx>
56 #include <Standard_ErrorHandler.hxx>
60 //=============================================================================
62 * \brief Allocate some memory at construction and release it at destruction.
63 * Is used to be able to continue working after mesh generation breaks due to
66 //=============================================================================
71 MemoryReserve(): myBuf( new char[1024*1024*2] ){}
72 ~MemoryReserve() { delete [] myBuf; }
75 //=============================================================================
77 * default constructor:
79 //=============================================================================
81 SMESH_subMesh::SMESH_subMesh(int Id,
83 SMESHDS_Mesh * meshDS,
84 const TopoDS_Shape & aSubShape)
86 _subShape = aSubShape;
87 _subMeshDS = meshDS->MeshElements(_subShape); // may be null ...
90 _dependenceAnalysed = _alwaysComputed = false;
92 if (_subShape.ShapeType() == TopAbs_VERTEX)
95 _computeState = READY_TO_COMPUTE;
100 _computeState = NOT_READY;
104 //=============================================================================
108 //=============================================================================
110 SMESH_subMesh::~SMESH_subMesh()
112 MESSAGE("SMESH_subMesh::~SMESH_subMesh");
114 DeleteOwnListeners();
117 //=============================================================================
121 //=============================================================================
123 int SMESH_subMesh::GetId() const
125 //MESSAGE("SMESH_subMesh::GetId");
129 //=============================================================================
133 //=============================================================================
135 SMESHDS_SubMesh * SMESH_subMesh::GetSubMeshDS()
137 // submesh appears in DS only when a mesher set nodes and elements on a shape
138 return _subMeshDS ? _subMeshDS : _subMeshDS = _father->GetMeshDS()->MeshElements(_subShape); // may be null
141 //=============================================================================
145 //=============================================================================
147 SMESHDS_SubMesh* SMESH_subMesh::CreateSubMeshDS()
149 if ( !GetSubMeshDS() ) {
150 SMESHDS_Mesh* meshDS = _father->GetMeshDS();
151 meshDS->NewSubMesh( meshDS->ShapeToIndex( _subShape ) );
153 return GetSubMeshDS();
156 //=============================================================================
160 //=============================================================================
162 SMESH_subMesh *SMESH_subMesh::GetFirstToCompute()
164 SMESH_subMeshIteratorPtr smIt = getDependsOnIterator(true,false);
165 while ( smIt->more() ) {
166 SMESH_subMesh *sm = smIt->next();
167 if ( sm->GetComputeState() == READY_TO_COMPUTE )
170 return 0; // nothing to compute
173 //================================================================================
175 * \brief Allow algo->Compute() if a subshape of lower dim is meshed but
176 * none mesh entity is bound to it (PAL13615, 2nd part)
178 //================================================================================
180 void SMESH_subMesh::SetIsAlwaysComputed(bool isAlCo)
182 _alwaysComputed = isAlCo;
183 if ( _alwaysComputed )
184 _computeState = COMPUTE_OK;
186 ComputeStateEngine( CHECK_COMPUTE_STATE );
189 //=======================================================================
190 //function : IsMeshComputed
191 //purpose : check if _subMeshDS contains mesh elements
192 //=======================================================================
194 bool SMESH_subMesh::IsMeshComputed() const
196 if ( _alwaysComputed )
198 // algo may bind a submesh not to _subShape, eg 3D algo
199 // sets nodes on SHELL while _subShape may be SOLID
201 SMESHDS_Mesh* meshDS = _father->GetMeshDS();
202 int dim = SMESH_Gen::GetShapeDim( _subShape );
203 int type = _subShape.ShapeType();
204 for ( ; type <= TopAbs_VERTEX; type++) {
205 if ( dim == SMESH_Gen::GetShapeDim( (TopAbs_ShapeEnum) type ))
207 TopExp_Explorer exp( _subShape, (TopAbs_ShapeEnum) type );
208 for ( ; exp.More(); exp.Next() )
210 if ( SMESHDS_SubMesh * smDS = meshDS->MeshElements( exp.Current() ))
212 bool computed = (dim > 0) ? smDS->NbElements() : smDS->NbNodes();
225 //=============================================================================
229 //=============================================================================
231 bool SMESH_subMesh::SubMeshesComputed()
233 int myDim = SMESH_Gen::GetShapeDim( _subShape );
234 int dimToCheck = myDim - 1;
235 bool subMeshesComputed = true;
236 // check subMeshes with upper dimension => reverse iteration
237 SMESH_subMeshIteratorPtr smIt = getDependsOnIterator(false,true);
238 while ( smIt->more() )
240 SMESH_subMesh *sm = smIt->next();
241 if ( sm->_alwaysComputed )
243 const TopoDS_Shape & ss = sm->GetSubShape();
244 // MSV 07.04.2006: restrict checking to myDim-1 only. Ex., there is no sense
245 // in checking of existence of edges if the algo needs only faces. Moreover,
246 // degenerated edges may have no submesh, as after computing NETGEN_2D.
247 int dim = SMESH_Gen::GetShapeDim( ss );
248 if (dim < dimToCheck)
249 break; // the rest subMeshes are all of less dimension
250 SMESHDS_SubMesh * ds = sm->GetSubMeshDS();
251 bool computeOk = (sm->GetComputeState() == COMPUTE_OK ||
252 (ds && ( ds->NbNodes() || ds->NbElements() )));
255 int type = ss.ShapeType();
257 subMeshesComputed = false;
261 case TopAbs_COMPOUND:
263 MESSAGE("The not computed sub mesh is a COMPOUND");
266 case TopAbs_COMPSOLID:
268 MESSAGE("The not computed sub mesh is a COMPSOLID");
273 MESSAGE("The not computed sub mesh is a SHEL");
278 MESSAGE("The not computed sub mesh is a WIRE");
283 MESSAGE("The not computed sub mesh is a SOLID");
288 MESSAGE("The not computed sub mesh is a FACE");
293 MESSAGE("The not computed sub mesh is a EDGE");
298 MESSAGE("The not computed sub mesh is of unknown type");
306 return subMeshesComputed;
309 //=============================================================================
313 //=============================================================================
315 bool SMESH_subMesh::SubMeshesReady()
317 bool subMeshesReady = true;
318 SMESH_subMeshIteratorPtr smIt = getDependsOnIterator(false,true);
319 while ( smIt->more() ) {
320 SMESH_subMesh *sm = smIt->next();
321 bool computeOk = (sm->GetComputeState() == COMPUTE_OK ||
322 sm->GetComputeState() == READY_TO_COMPUTE);
325 subMeshesReady = false;
330 return subMeshesReady;
333 //=============================================================================
335 * Construct dependence on first level subMeshes. complex shapes (compsolid,
336 * shell, wire) are not analysed the same way as simple shapes (solid, face,
338 * For collection shapes (compsolid, shell, wire) prepare a list of submeshes
339 * with possible multiples occurences. Multiples occurences corresponds to
340 * internal frontiers within shapes of the collection and must not be keeped.
341 * See FinalizeDependence.
343 //=============================================================================
345 const map < int, SMESH_subMesh * >& SMESH_subMesh::DependsOn()
347 if (_dependenceAnalysed)
350 //MESSAGE("SMESH_subMesh::DependsOn");
352 int type = _subShape.ShapeType();
356 case TopAbs_COMPOUND:
358 //MESSAGE("compound");
359 for (TopExp_Explorer exp(_subShape, TopAbs_SOLID); exp.More();
362 InsertDependence(exp.Current());
364 for (TopExp_Explorer exp(_subShape, TopAbs_SHELL, TopAbs_SOLID); exp.More();
367 InsertDependence(exp.Current()); //only shell not in solid
369 for (TopExp_Explorer exp(_subShape, TopAbs_FACE, TopAbs_SHELL); exp.More();
372 InsertDependence(exp.Current());
374 for (TopExp_Explorer exp(_subShape, TopAbs_EDGE, TopAbs_FACE); exp.More();
377 InsertDependence(exp.Current());
381 case TopAbs_COMPSOLID:
383 //MESSAGE("compsolid");
384 for (TopExp_Explorer exp(_subShape, TopAbs_SOLID); exp.More();
387 InsertDependence(exp.Current());
394 for (TopExp_Explorer exp(_subShape, TopAbs_FACE); exp.More();
397 InsertDependence(exp.Current());
404 for (TopExp_Explorer exp(_subShape, TopAbs_EDGE); exp.More();
407 InsertDependence(exp.Current());
414 if(_father->HasShapeToMesh()) {
415 for (TopExp_Explorer exp(_subShape, TopAbs_FACE); exp.More();
418 InsertDependence(exp.Current());
426 for (TopExp_Explorer exp(_subShape, TopAbs_EDGE); exp.More();
429 InsertDependence(exp.Current());
436 for (TopExp_Explorer exp(_subShape, TopAbs_VERTEX); exp.More();
439 InsertDependence(exp.Current());
452 _dependenceAnalysed = true;
456 //=============================================================================
458 * For simple Shapes (solid, face, edge): add subMesh into dependence list.
460 //=============================================================================
462 void SMESH_subMesh::InsertDependence(const TopoDS_Shape aSubShape)
464 //MESSAGE("SMESH_subMesh::InsertDependence");
465 SMESH_subMesh *aSubMesh = _father->GetSubMesh(aSubShape);
466 int type = aSubShape.ShapeType();
467 int ordType = 9 - type; // 2 = Vertex, 8 = CompSolid
468 int cle = aSubMesh->GetId();
469 cle += 10000000 * ordType; // sort map by ordType then index
470 if ( _mapDepend.find( cle ) == _mapDepend.end())
472 _mapDepend[cle] = aSubMesh;
473 const map < int, SMESH_subMesh * > & subMap = aSubMesh->DependsOn();
474 _mapDepend.insert( subMap.begin(), subMap.end() );
478 //=============================================================================
482 //=============================================================================
484 const TopoDS_Shape & SMESH_subMesh::GetSubShape() const
486 //MESSAGE("SMESH_subMesh::GetSubShape");
491 //=======================================================================
492 //function : CanAddHypothesis
493 //purpose : return true if theHypothesis can be attached to me:
494 // its dimention is checked
495 //=======================================================================
497 bool SMESH_subMesh::CanAddHypothesis(const SMESH_Hypothesis* theHypothesis) const
499 int aHypDim = theHypothesis->GetDim();
500 int aShapeDim = SMESH_Gen::GetShapeDim(_subShape);
501 if (aHypDim == 3 && aShapeDim == 3) {
502 // check case of open shell
503 if (_subShape.ShapeType() == TopAbs_SHELL && !_subShape.Closed())
506 if ( aHypDim <= aShapeDim )
512 //=======================================================================
513 //function : IsApplicableHypotesis
515 //=======================================================================
517 bool SMESH_subMesh::IsApplicableHypotesis(const SMESH_Hypothesis* theHypothesis,
518 const TopAbs_ShapeEnum theShapeType)
520 if ( theHypothesis->GetType() > SMESHDS_Hypothesis::PARAM_ALGO)
522 return ( theHypothesis->GetShapeType() & (1<< theShapeType));
525 switch ( theShapeType ) {
530 return SMESH_Gen::GetShapeDim( theShapeType ) == theHypothesis->GetDim();
533 // Special case for algorithms, building 2D mesh on a whole shell.
534 // Before this fix there was a problem after restoring from study,
535 // because in that case algorithm is assigned before hypothesis
536 // (on shell in problem case) and hypothesis is checked on faces
537 // (because it is 2D), where we have NO_ALGO state.
538 // Now 2D hypothesis is also applicable to shells.
539 return (theHypothesis->GetDim() == 2 || theHypothesis->GetDim() == 3);
542 // case TopAbs_COMPSOLID:
543 // case TopAbs_COMPOUND:
549 //=============================================================================
553 //=============================================================================
555 SMESH_Hypothesis::Hypothesis_Status
556 SMESH_subMesh::AlgoStateEngine(int event, SMESH_Hypothesis * anHyp)
558 // MESSAGE("SMESH_subMesh::AlgoStateEngine");
559 //SCRUTE(_algoState);
562 // **** les retour des evenement shape sont significatifs
563 // (add ou remove fait ou non)
564 // le retour des evenement father n'indiquent pas que add ou remove fait
566 SMESH_Hypothesis::Hypothesis_Status aux_ret, ret = SMESH_Hypothesis::HYP_OK;
568 SMESHDS_Mesh* meshDS =_father->GetMeshDS();
569 SMESH_Gen* gen =_father->GetGen();
570 SMESH_Algo* algo = 0;
572 if (_subShape.ShapeType() == TopAbs_VERTEX )
574 if ( anHyp->GetDim() != 0) {
575 if (event == ADD_HYP || event == ADD_ALGO)
576 return SMESH_Hypothesis::HYP_BAD_DIM;
578 return SMESH_Hypothesis::HYP_OK;
581 else if ( _algoState == HYP_OK ) {
582 // update default _algoState
583 if ( event != REMOVE_FATHER_ALGO )
585 _algoState = NO_ALGO;
586 algo = gen->GetAlgo(*_father, _subShape);
588 _algoState = MISSING_HYP;
589 if ( event == REMOVE_FATHER_HYP ||
590 algo->CheckHypothesis(*_father,_subShape, aux_ret))
597 int oldAlgoState = _algoState;
598 bool modifiedHyp = (event == MODIF_HYP); // if set to true, force event MODIF_ALGO_STATE
600 bool isApplicableHyp = IsApplicableHypotesis( anHyp );
602 if (event == ADD_ALGO || event == ADD_FATHER_ALGO)
604 // -------------------------------------------
605 // check if a shape needed by algo is present
606 // -------------------------------------------
607 algo = static_cast< SMESH_Algo* >( anHyp );
608 if ( !_father->HasShapeToMesh() && algo->NeedShape() )
609 return SMESH_Hypothesis::HYP_NEED_SHAPE;
610 // ----------------------
611 // check mesh conformity
612 // ----------------------
613 if (isApplicableHyp && !_father->IsNotConformAllowed() && !IsConform( algo ))
614 return SMESH_Hypothesis::HYP_NOTCONFORM;
617 // ----------------------------------
618 // add a hypothesis to DS if possible
619 // ----------------------------------
620 if (event == ADD_HYP || event == ADD_ALGO)
622 if ( ! CanAddHypothesis( anHyp )) // check dimension
623 return SMESH_Hypothesis::HYP_BAD_DIM;
625 if ( /*!anHyp->IsAuxiliary() &&*/ GetSimilarAttached( _subShape, anHyp ) )
626 return SMESH_Hypothesis::HYP_ALREADY_EXIST;
628 if ( !meshDS->AddHypothesis(_subShape, anHyp))
629 return SMESH_Hypothesis::HYP_ALREADY_EXIST;
632 // --------------------------
633 // remove a hypothesis from DS
634 // --------------------------
635 if (event == REMOVE_HYP || event == REMOVE_ALGO)
637 if (!meshDS->RemoveHypothesis(_subShape, anHyp))
638 return SMESH_Hypothesis::HYP_OK; // nothing changes
640 if (event == REMOVE_ALGO)
642 algo = dynamic_cast<SMESH_Algo*> (anHyp);
643 if (!algo->NeedDescretBoundary())
645 // clean all mesh in the tree of the current submesh;
646 // we must perform it now because later
647 // we will have no information about the type of the removed algo
649 ComputeStateEngine( CLEAN );
651 ComputeSubMeshStateEngine( CHECK_COMPUTE_STATE );
656 // ------------------
657 // analyse algo state
658 // ------------------
659 if (!isApplicableHyp)
660 return ret; // not applicable hypotheses do not change algo state
665 // ----------------------------------------------------------------------
672 algo = gen->GetAlgo((*_father), _subShape);
674 if (algo->CheckHypothesis((*_father),_subShape, aux_ret))
675 SetAlgoState(HYP_OK);
676 else if ( algo->IsStatusFatal( aux_ret )) {
677 meshDS->RemoveHypothesis(_subShape, anHyp);
681 SetAlgoState(MISSING_HYP);
688 case ADD_FATHER_ALGO: { // Algo just added in father
689 algo = gen->GetAlgo((*_father), _subShape);
691 if ( algo == anHyp ) {
692 if ( algo->CheckHypothesis((*_father),_subShape, aux_ret))
693 SetAlgoState(HYP_OK);
695 SetAlgoState(MISSING_HYP);
699 case REMOVE_FATHER_HYP:
701 case REMOVE_FATHER_ALGO: {
702 algo = gen->GetAlgo((*_father), _subShape);
705 if ( algo->CheckHypothesis((*_father),_subShape, aux_ret ))
706 SetAlgoState(HYP_OK);
708 SetAlgoState(MISSING_HYP);
712 case MODIF_HYP: break;
719 // ----------------------------------------------------------------------
725 algo = gen->GetAlgo((*_father), _subShape);
727 if ( algo->CheckHypothesis((*_father),_subShape, ret ))
728 SetAlgoState(HYP_OK);
729 if (SMESH_Hypothesis::IsStatusFatal( ret ))
730 meshDS->RemoveHypothesis(_subShape, anHyp);
731 else if (!_father->IsUsedHypothesis( anHyp, this ))
733 meshDS->RemoveHypothesis(_subShape, anHyp);
734 ret = SMESH_Hypothesis::HYP_INCOMPATIBLE;
738 case ADD_ALGO: { //already existing algo : on father ?
739 algo = gen->GetAlgo((*_father), _subShape);
741 if ( algo->CheckHypothesis((*_father),_subShape, aux_ret ))// ignore hyp status
742 SetAlgoState(HYP_OK);
743 else if ( algo->IsStatusFatal( aux_ret )) {
744 meshDS->RemoveHypothesis(_subShape, anHyp);
748 SetAlgoState(MISSING_HYP);
753 case REMOVE_ALGO: { // perhaps a father algo applies ?
754 algo = gen->GetAlgo((*_father), _subShape);
755 if (algo == NULL) // no more algo applying on subShape...
757 SetAlgoState(NO_ALGO);
761 if ( algo->CheckHypothesis((*_father),_subShape, aux_ret ))
762 SetAlgoState(HYP_OK);
764 SetAlgoState(MISSING_HYP);
768 case MODIF_HYP: // assigned hypothesis value may become good
769 case ADD_FATHER_HYP: {
770 algo = gen->GetAlgo((*_father), _subShape);
772 if ( algo->CheckHypothesis((*_father),_subShape, aux_ret ))
773 SetAlgoState(HYP_OK);
775 SetAlgoState(MISSING_HYP);
778 case ADD_FATHER_ALGO: { // new father algo
779 algo = gen->GetAlgo((*_father), _subShape);
781 if ( algo == anHyp ) {
782 if ( algo->CheckHypothesis((*_father),_subShape, aux_ret ))
783 SetAlgoState(HYP_OK);
785 SetAlgoState(MISSING_HYP);
789 case REMOVE_FATHER_HYP: // nothing to do
791 case REMOVE_FATHER_ALGO: {
792 algo = gen->GetAlgo((*_father), _subShape);
793 if (algo == NULL) // no more applying algo on father
795 SetAlgoState(NO_ALGO);
799 if ( algo->CheckHypothesis((*_father),_subShape , aux_ret ))
800 SetAlgoState(HYP_OK);
802 SetAlgoState(MISSING_HYP);
812 // ----------------------------------------------------------------------
818 algo = gen->GetAlgo((*_father), _subShape);
820 if (!algo->CheckHypothesis((*_father),_subShape, ret ))
822 if ( !SMESH_Hypothesis::IsStatusFatal( ret ))
823 // ret should be fatal: anHyp was not added
824 ret = SMESH_Hypothesis::HYP_INCOMPATIBLE;
826 else if (!_father->IsUsedHypothesis( anHyp, this ))
827 ret = SMESH_Hypothesis::HYP_INCOMPATIBLE;
829 if (SMESH_Hypothesis::IsStatusFatal( ret ))
831 MESSAGE("do not add extra hypothesis");
832 meshDS->RemoveHypothesis(_subShape, anHyp);
840 case ADD_ALGO: { //already existing algo : on father ?
841 algo = gen->GetAlgo((*_father), _subShape);
842 if ( algo->CheckHypothesis((*_father),_subShape, aux_ret )) {
843 // check if algo changes
845 f.Init( SMESH_HypoFilter::IsAlgo() );
846 f.And( SMESH_HypoFilter::IsApplicableTo( _subShape ));
847 f.AndNot( SMESH_HypoFilter::Is( algo ));
848 const SMESH_Hypothesis * prevAlgo = _father->GetHypothesis( _subShape, f, true );
850 string(algo->GetName()) != string(prevAlgo->GetName()) )
854 SetAlgoState(MISSING_HYP);
858 algo = gen->GetAlgo((*_father), _subShape);
860 if ( algo->CheckHypothesis((*_father),_subShape, aux_ret ))
861 SetAlgoState(HYP_OK);
863 SetAlgoState(MISSING_HYP);
867 case REMOVE_ALGO: { // perhaps a father algo applies ?
868 algo = gen->GetAlgo((*_father), _subShape);
869 if (algo == NULL) // no more algo applying on subShape...
871 SetAlgoState(NO_ALGO);
875 if ( algo->CheckHypothesis((*_father),_subShape, aux_ret )) {
876 // check if algo remains
877 if ( anHyp != algo && strcmp( anHyp->GetName(), algo->GetName()) )
881 SetAlgoState(MISSING_HYP);
885 case MODIF_HYP: // hypothesis value may become bad
886 case ADD_FATHER_HYP: { // new father hypothesis ?
887 algo = gen->GetAlgo((*_father), _subShape);
889 if ( algo->CheckHypothesis((*_father),_subShape, aux_ret ))
891 if (_father->IsUsedHypothesis( anHyp, this )) // new Hyp
895 SetAlgoState(MISSING_HYP);
898 case ADD_FATHER_ALGO: {
899 algo = gen->GetAlgo((*_father), _subShape);
900 if ( algo == anHyp ) { // a new 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);
917 case REMOVE_FATHER_HYP: {
918 algo = gen->GetAlgo((*_father), _subShape);
920 if ( algo->CheckHypothesis((*_father),_subShape, aux_ret )) {
921 // is there the same local hyp or maybe a new father algo applied?
922 if ( !GetSimilarAttached( _subShape, anHyp ) )
926 SetAlgoState(MISSING_HYP);
929 case REMOVE_FATHER_ALGO: {
930 algo = gen->GetAlgo((*_father), _subShape);
931 if (algo == NULL) // no more applying algo on father
933 SetAlgoState(NO_ALGO);
937 if ( algo->CheckHypothesis((*_father),_subShape, aux_ret )) {
938 // check if algo changes
939 if ( string(algo->GetName()) != string( anHyp->GetName()) )
943 SetAlgoState(MISSING_HYP);
953 // ----------------------------------------------------------------------
960 // detect algorithm hiding
962 if ( ret == SMESH_Hypothesis::HYP_OK &&
963 ( event == ADD_ALGO || event == ADD_FATHER_ALGO ) &&
964 algo->GetName() == anHyp->GetName() )
967 SMESH_Gen* gen = _father->GetGen();
968 TopTools_ListIteratorOfListOfShape it( _father->GetAncestors( _subShape ));
969 for ( ; ( ret == SMESH_Hypothesis::HYP_OK && it.More()); it.Next() ) {
970 if ( SMESH_Algo* upperAlgo = gen->GetAlgo( *_father, it.Value() ))
971 if ( !upperAlgo->NeedDescretBoundary() )
972 ret = SMESH_Hypothesis::HYP_HIDDEN_ALGO;
975 if ( ret == SMESH_Hypothesis::HYP_OK && !algo->NeedDescretBoundary() ) {
976 map<int, SMESH_subMesh*>::reverse_iterator i_sm = _mapDepend.rbegin();
977 for ( ; ( ret == SMESH_Hypothesis::HYP_OK && i_sm != _mapDepend.rend()) ; ++i_sm )
978 if ( gen->GetAlgo( *_father, i_sm->second->_subShape ))
979 ret = SMESH_Hypothesis::HYP_HIDING_ALGO;
983 bool stateChange = ( _algoState != oldAlgoState );
985 if ( stateChange && _algoState == HYP_OK ) // hyp becomes OK
986 algo->SetEventListener( this );
988 NotifyListenersOnEvent( event, ALGO_EVENT, anHyp );
990 if ( stateChange && oldAlgoState == HYP_OK ) { // hyp becomes KO
991 DeleteOwnListeners();
992 SetIsAlwaysComputed( false );
993 if (_subShape.ShapeType() == TopAbs_VERTEX ) {
994 // restore default states
996 _computeState = READY_TO_COMPUTE;
1000 if (stateChange || modifiedHyp)
1001 ComputeStateEngine(MODIF_ALGO_STATE);
1006 //=======================================================================
1007 //function : IsConform
1008 //purpose : check if a conform mesh will be produced by the Algo
1009 //=======================================================================
1011 bool SMESH_subMesh::IsConform(const SMESH_Algo* theAlgo)
1013 // MESSAGE( "SMESH_subMesh::IsConform" );
1014 if ( !theAlgo ) return false;
1016 // Suppose that theAlgo is applicable to _subShape, do not check it here
1017 //if ( !IsApplicableHypotesis( theAlgo )) return false;
1019 // check only algo that doesn't NeedDescretBoundary(): because mesh made
1020 // on a sub-shape will be ignored by theAlgo
1021 if ( theAlgo->NeedDescretBoundary() ||
1022 !theAlgo->OnlyUnaryInput() ) // all adjacent shapes will be meshed by this algo?
1025 SMESH_Gen* gen =_father->GetGen();
1027 // only local algo is to be checked
1028 //if ( gen->IsGlobalHypothesis( theAlgo, *_father ))
1029 if ( _subShape.ShapeType() == _father->GetMeshDS()->ShapeToMesh().ShapeType() )
1032 // check algo attached to adjacent shapes
1034 // loop on one level down sub-meshes
1035 TopoDS_Iterator itsub( _subShape );
1036 for (; itsub.More(); itsub.Next())
1038 // loop on adjacent subShapes
1039 TopTools_ListIteratorOfListOfShape it( _father->GetAncestors( itsub.Value() ));
1040 for (; it.More(); it.Next())
1042 const TopoDS_Shape& adjacent = it.Value();
1043 if ( _subShape.IsSame( adjacent )) continue;
1044 if ( adjacent.ShapeType() != _subShape.ShapeType())
1047 // check algo attached to smAdjacent
1048 SMESH_Algo * algo = gen->GetAlgo((*_father), adjacent);
1050 !algo->NeedDescretBoundary() &&
1051 algo->OnlyUnaryInput())
1052 return false; // NOT CONFORM MESH WILL BE PRODUCED
1059 //=============================================================================
1063 //=============================================================================
1065 void SMESH_subMesh::SetAlgoState(int state)
1070 //=============================================================================
1074 //=============================================================================
1075 SMESH_Hypothesis::Hypothesis_Status
1076 SMESH_subMesh::SubMeshesAlgoStateEngine(int event,
1077 SMESH_Hypothesis * anHyp)
1079 SMESH_Hypothesis::Hypothesis_Status ret = SMESH_Hypothesis::HYP_OK;
1080 //EAP: a wire (dim==1) should notify edges (dim==1)
1081 //EAP: int dim = SMESH_Gen::GetShapeDim(_subShape);
1082 //if (_subShape.ShapeType() < TopAbs_EDGE ) // wire,face etc
1084 SMESH_subMeshIteratorPtr smIt = getDependsOnIterator(false,false);
1085 while ( smIt->more() ) {
1086 SMESH_Hypothesis::Hypothesis_Status ret2 =
1087 smIt->next()->AlgoStateEngine(event, anHyp);
1095 //=============================================================================
1099 //=============================================================================
1101 void SMESH_subMesh::CleanDependsOn()
1103 SMESH_subMeshIteratorPtr smIt = getDependsOnIterator(false,false);
1104 while ( smIt->more() )
1105 smIt->next()->ComputeStateEngine(CLEAN);
1108 //=============================================================================
1112 //=============================================================================
1114 void SMESH_subMesh::DumpAlgoState(bool isMain)
1116 int dim = SMESH_Gen::GetShapeDim(_subShape);
1117 // if (dim < 1) return;
1120 const map < int, SMESH_subMesh * >&subMeshes = DependsOn();
1122 map < int, SMESH_subMesh * >::const_iterator itsub;
1123 for (itsub = subMeshes.begin(); itsub != subMeshes.end(); itsub++)
1125 SMESH_subMesh *sm = (*itsub).second;
1126 sm->DumpAlgoState(false);
1129 int type = _subShape.ShapeType();
1130 MESSAGE("dim = " << dim << " type of shape " << type);
1134 MESSAGE(" AlgoState = NO_ALGO");
1137 MESSAGE(" AlgoState = MISSING_HYP");
1140 MESSAGE(" AlgoState = HYP_OK");
1143 switch (_computeState)
1146 MESSAGE(" ComputeState = NOT_READY");
1148 case READY_TO_COMPUTE:
1149 MESSAGE(" ComputeState = READY_TO_COMPUTE");
1152 MESSAGE(" ComputeState = COMPUTE_OK");
1154 case FAILED_TO_COMPUTE:
1155 MESSAGE(" ComputeState = FAILED_TO_COMPUTE");
1160 //================================================================================
1162 * \brief Remove nodes and elements bound to submesh
1163 * \param subMesh - submesh containing nodes and elements
1165 //================================================================================
1167 static void cleanSubMesh( SMESH_subMesh * subMesh )
1170 if (SMESHDS_SubMesh * subMeshDS = subMesh->GetSubMeshDS()) {
1171 SMESHDS_Mesh * meshDS = subMesh->GetFather()->GetMeshDS();
1172 SMDS_ElemIteratorPtr ite = subMeshDS->GetElements();
1173 while (ite->more()) {
1174 const SMDS_MeshElement * elt = ite->next();
1175 //MESSAGE( " RM elt: "<<elt->GetID()<<" ( "<<elt->NbNodes()<<" )" );
1176 //meshDS->RemoveElement(elt);
1177 meshDS->RemoveFreeElement(elt, subMeshDS);
1180 SMDS_NodeIteratorPtr itn = subMeshDS->GetNodes();
1181 while (itn->more()) {
1182 const SMDS_MeshNode * node = itn->next();
1183 //MESSAGE( " RM node: "<<node->GetID());
1184 if ( node->NbInverseElements() == 0 )
1185 meshDS->RemoveFreeNode(node, subMeshDS);
1186 else // for StdMeshers_CompositeSegment_1D: node in one submesh, edge in another
1187 meshDS->RemoveNode(node);
1193 //=============================================================================
1197 //=============================================================================
1199 bool SMESH_subMesh::ComputeStateEngine(int event)
1201 _computeError.reset();
1203 //MESSAGE("SMESH_subMesh::ComputeStateEngine");
1204 //SCRUTE(_computeState);
1207 if (_subShape.ShapeType() == TopAbs_VERTEX)
1209 _computeState = READY_TO_COMPUTE;
1210 SMESHDS_SubMesh* smDS = GetSubMeshDS();
1211 if ( smDS && smDS->NbNodes() ) {
1212 if ( event == CLEAN ) {
1214 cleanSubMesh( this );
1217 _computeState = COMPUTE_OK;
1219 else if ( event == COMPUTE && !_alwaysComputed ) {
1220 const TopoDS_Vertex & V = TopoDS::Vertex( _subShape );
1221 gp_Pnt P = BRep_Tool::Pnt(V);
1222 if ( SMDS_MeshNode * n = _father->GetMeshDS()->AddNode(P.X(), P.Y(), P.Z()) ) {
1223 _father->GetMeshDS()->SetNodeOnVertex(n,_Id);
1224 _computeState = COMPUTE_OK;
1227 if ( event == MODIF_ALGO_STATE )
1231 SMESH_Gen *gen = _father->GetGen();
1232 SMESH_Algo *algo = 0;
1234 SMESH_Hypothesis::Hypothesis_Status hyp_status;
1235 //algo_state oldAlgoState = (algo_state) GetAlgoState();
1237 switch (_computeState)
1240 // ----------------------------------------------------------------------
1245 case MODIF_ALGO_STATE:
1246 algo = gen->GetAlgo((*_father), _subShape);
1247 if (algo && !algo->NeedDescretBoundary())
1248 CleanDependsOn(); // clean sub-meshes with event CLEAN
1249 if ( _algoState == HYP_OK )
1250 _computeState = READY_TO_COMPUTE;
1252 case COMPUTE: // nothing to do
1256 RemoveSubMeshElementsAndNodes();
1258 case SUBMESH_COMPUTED: // nothing to do
1260 case SUBMESH_RESTORED:
1261 ComputeSubMeshStateEngine( SUBMESH_RESTORED );
1263 case MESH_ENTITY_REMOVED:
1265 case CHECK_COMPUTE_STATE:
1266 if ( IsMeshComputed() )
1267 _computeState = COMPUTE_OK;
1275 // ----------------------------------------------------------------------
1277 case READY_TO_COMPUTE:
1280 case MODIF_ALGO_STATE:
1281 _computeState = NOT_READY;
1282 algo = gen->GetAlgo((*_father), _subShape);
1285 if (!algo->NeedDescretBoundary())
1286 CleanDependsOn(); // clean sub-meshes with event CLEAN
1287 if ( _algoState == HYP_OK )
1288 _computeState = READY_TO_COMPUTE;
1293 algo = gen->GetAlgo((*_father), _subShape);
1295 ret = algo->CheckHypothesis((*_father), _subShape, hyp_status);
1298 MESSAGE("***** verify compute state *****");
1299 _computeState = NOT_READY;
1300 SetAlgoState(MISSING_HYP);
1303 TopoDS_Shape shape = _subShape;
1304 // check submeshes needed
1305 if (_father->HasShapeToMesh() ) {
1306 bool subComputed = false;
1307 if (!algo->OnlyUnaryInput())
1308 shape = GetCollection( gen, algo, subComputed );
1310 subComputed = SubMeshesComputed();
1311 ret = ( algo->NeedDescretBoundary() ? subComputed :
1312 ( !subComputed || _father->IsNotConformAllowed() ));
1314 _computeState = FAILED_TO_COMPUTE;
1315 if ( !algo->NeedDescretBoundary() )
1317 SMESH_ComputeError::New(COMPERR_BAD_INPUT_MESH,
1318 "Unexpected computed submesh",algo);
1323 // CleanDependants(); for "UseExisting_*D" algos
1324 // RemoveSubMeshElementsAndNodes();
1326 _computeState = FAILED_TO_COMPUTE;
1327 _computeError = SMESH_ComputeError::New(COMPERR_OK,"",algo);
1329 #if (OCC_VERSION_MAJOR << 16 | OCC_VERSION_MINOR << 8 | OCC_VERSION_MAINTENANCE) > 0x060100
1332 algo->InitComputeError();
1333 MemoryReserve aMemoryReserve;
1334 SMDS_Mesh::CheckMemory();
1335 if ( !_father->HasShapeToMesh() ) // no shape
1337 SMESH_MesherHelper helper( *_father );
1338 helper.SetSubShape( shape );
1339 helper.SetElementsOnShape( true );
1340 ret = algo->Compute(*_father, &helper );
1344 ret = algo->Compute((*_father), shape);
1347 _computeError = algo->GetComputeError();
1349 catch ( std::bad_alloc& exc ) {
1350 MESSAGE("std::bad_alloc thrown inside algo->Compute()");
1351 if ( _computeError ) {
1352 _computeError->myName = COMPERR_MEMORY_PB;
1353 //_computeError->myComment = exc.what();
1355 cleanSubMesh( this );
1358 catch ( Standard_OutOfMemory& exc ) {
1359 MESSAGE("Standard_OutOfMemory thrown inside algo->Compute()");
1360 if ( _computeError ) {
1361 _computeError->myName = COMPERR_MEMORY_PB;
1362 //_computeError->myComment = exc.what();
1364 cleanSubMesh( this );
1365 throw std::bad_alloc();
1367 catch (Standard_Failure& ex) {
1368 if ( !_computeError ) _computeError = SMESH_ComputeError::New();
1369 _computeError->myName = COMPERR_OCC_EXCEPTION;
1370 _computeError->myComment += ex.DynamicType()->Name();
1371 if ( ex.GetMessageString() && strlen( ex.GetMessageString() )) {
1372 _computeError->myComment += ": ";
1373 _computeError->myComment += ex.GetMessageString();
1376 catch ( SALOME_Exception& S_ex ) {
1377 if ( !_computeError ) _computeError = SMESH_ComputeError::New();
1378 _computeError->myName = COMPERR_SLM_EXCEPTION;
1379 _computeError->myComment = S_ex.what();
1381 catch ( std::exception& exc ) {
1382 if ( !_computeError ) _computeError = SMESH_ComputeError::New();
1383 _computeError->myName = COMPERR_STD_EXCEPTION;
1384 _computeError->myComment = exc.what();
1387 if ( _computeError )
1388 _computeError->myName = COMPERR_EXCEPTION;
1392 if (ret && !_alwaysComputed) { // check if anything was built
1393 ret = ( GetSubMeshDS() && ( GetSubMeshDS()->NbElements() || GetSubMeshDS()->NbNodes() ));
1395 bool isComputeErrorSet = !CheckComputeError( algo, shape );
1396 if (!ret && !isComputeErrorSet)
1398 // Set _computeError
1399 if ( !_computeError )
1400 _computeError = SMESH_ComputeError::New();
1401 if ( _computeError->IsOK() )
1402 _computeError->myName = COMPERR_ALGO_FAILED;
1403 _computeState = FAILED_TO_COMPUTE;
1407 _computeError.reset();
1409 UpdateDependantsState( SUBMESH_COMPUTED ); // send event SUBMESH_COMPUTED
1414 RemoveSubMeshElementsAndNodes();
1415 _computeState = NOT_READY;
1416 algo = gen->GetAlgo((*_father), _subShape);
1419 ret = algo->CheckHypothesis((*_father), _subShape, hyp_status);
1421 _computeState = READY_TO_COMPUTE;
1423 SetAlgoState(MISSING_HYP);
1426 case SUBMESH_COMPUTED: // nothing to do
1428 case SUBMESH_RESTORED:
1429 // check if a mesh is already computed that may
1430 // happen after retrieval from a file
1431 ComputeStateEngine( CHECK_COMPUTE_STATE );
1432 ComputeSubMeshStateEngine( SUBMESH_RESTORED );
1433 algo = gen->GetAlgo(*_father, _subShape);
1434 if (algo) algo->SubmeshRestored( this );
1436 case MESH_ENTITY_REMOVED:
1438 case CHECK_COMPUTE_STATE:
1439 if ( IsMeshComputed() )
1440 _computeState = COMPUTE_OK;
1448 // ----------------------------------------------------------------------
1453 case MODIF_ALGO_STATE:
1454 ComputeStateEngine( CLEAN );
1455 algo = gen->GetAlgo((*_father), _subShape);
1456 if (algo && !algo->NeedDescretBoundary())
1457 CleanDependsOn(); // clean sub-meshes with event CLEAN
1459 case COMPUTE: // nothing to do
1462 CleanDependants(); // clean sub-meshes, dependant on this one, with event CLEAN
1463 RemoveSubMeshElementsAndNodes();
1464 _computeState = NOT_READY;
1465 if ( _algoState == HYP_OK )
1466 _computeState = READY_TO_COMPUTE;
1468 case SUBMESH_COMPUTED: // nothing to do
1470 case SUBMESH_RESTORED:
1471 ComputeStateEngine( CHECK_COMPUTE_STATE );
1472 ComputeSubMeshStateEngine( SUBMESH_RESTORED );
1473 algo = gen->GetAlgo(*_father, _subShape);
1474 if (algo) algo->SubmeshRestored( this );
1476 case MESH_ENTITY_REMOVED:
1477 UpdateDependantsState( CHECK_COMPUTE_STATE );
1478 ComputeStateEngine( CHECK_COMPUTE_STATE );
1479 ComputeSubMeshStateEngine( CHECK_COMPUTE_STATE );
1481 case CHECK_COMPUTE_STATE:
1482 if ( !IsMeshComputed() )
1483 if (_algoState == HYP_OK)
1484 _computeState = READY_TO_COMPUTE;
1486 _computeState = NOT_READY;
1494 // ----------------------------------------------------------------------
1496 case FAILED_TO_COMPUTE:
1499 case MODIF_ALGO_STATE:
1500 algo = gen->GetAlgo((*_father), _subShape);
1501 if (algo && !algo->NeedDescretBoundary())
1502 CleanDependsOn(); // clean sub-meshes with event CLEAN
1503 if (_algoState == HYP_OK)
1504 _computeState = READY_TO_COMPUTE;
1506 _computeState = NOT_READY;
1508 case COMPUTE: // nothing to do
1511 CleanDependants(); // submeshes dependent on me should be cleaned as well
1512 RemoveSubMeshElementsAndNodes();
1514 case SUBMESH_COMPUTED: // allow retry compute
1515 if (_algoState == HYP_OK)
1516 _computeState = READY_TO_COMPUTE;
1518 _computeState = NOT_READY;
1520 case SUBMESH_RESTORED:
1521 ComputeSubMeshStateEngine( SUBMESH_RESTORED );
1523 case MESH_ENTITY_REMOVED:
1525 case CHECK_COMPUTE_STATE:
1526 if ( IsMeshComputed() )
1527 _computeState = COMPUTE_OK;
1529 if (_algoState == HYP_OK)
1530 _computeState = READY_TO_COMPUTE;
1532 _computeState = NOT_READY;
1540 // ----------------------------------------------------------------------
1546 NotifyListenersOnEvent( event, COMPUTE_EVENT );
1551 //=======================================================================
1553 * \brief Update compute_state by _computeError and send proper events to
1554 * dependent submeshes
1555 * \retval bool - true if _computeError is NOT set
1557 //=======================================================================
1559 bool SMESH_subMesh::CheckComputeError(SMESH_Algo* theAlgo, const TopoDS_Shape& theShape)
1561 bool noErrors = true;
1563 if ( !theShape.IsNull() )
1565 // Check state of submeshes
1566 if ( !theAlgo->NeedDescretBoundary())
1568 SMESH_subMeshIteratorPtr smIt = getDependsOnIterator(false,false);
1569 while ( smIt->more() )
1570 if ( !smIt->next()->CheckComputeError( theAlgo ))
1574 // Check state of neighbours
1575 if ( !theAlgo->OnlyUnaryInput() &&
1576 theShape.ShapeType() == TopAbs_COMPOUND &&
1577 !theShape.IsSame( _subShape ))
1579 for (TopoDS_Iterator subIt( theShape ); subIt.More(); subIt.Next()) {
1580 SMESH_subMesh* sm = _father->GetSubMesh( subIt.Value() );
1582 if ( !sm->CheckComputeError( theAlgo ))
1584 UpdateDependantsState( SUBMESH_COMPUTED ); // send event SUBMESH_COMPUTED
1591 if ( !_computeError || _computeError->IsOK() )
1593 _computeState = COMPUTE_OK;
1597 if ( !_computeError->myAlgo )
1598 _computeError->myAlgo = theAlgo;
1602 text << theAlgo->GetName() << " failed on subshape #" << _Id << " with error ";
1603 if (_computeError->IsCommon() )
1604 text << _computeError->CommonName();
1606 text << _computeError->myName;
1607 if ( _computeError->myComment.size() > 0 )
1608 text << " \"" << _computeError->myComment << "\"";
1611 MESSAGE_BEGIN ( text );
1612 // Show vertices location of a failed shape
1613 TopTools_IndexedMapOfShape vMap;
1614 TopExp::MapShapes( _subShape, TopAbs_VERTEX, vMap );
1615 MESSAGE_ADD ( "Subshape vertices " << ( vMap.Extent()>10 ? "(first 10):" : ":") );
1616 for ( int iv = 1; iv <= vMap.Extent() && iv < 11; ++iv ) {
1617 gp_Pnt P( BRep_Tool::Pnt( TopoDS::Vertex( vMap( iv ) )));
1618 MESSAGE_ADD ( "#" << _father->GetMeshDS()->ShapeToIndex( vMap( iv )) << " "
1619 << P.X() << " " << P.Y() << " " << P.Z() << " " );
1624 _computeState = FAILED_TO_COMPUTE;
1631 //=======================================================================
1632 //function : ApplyToCollection
1633 //purpose : Apply theAlgo to all subshapes in theCollection
1634 //=======================================================================
1636 bool SMESH_subMesh::ApplyToCollection (SMESH_Algo* theAlgo,
1637 const TopoDS_Shape& theCollection)
1639 MESSAGE("SMESH_subMesh::ApplyToCollection");
1640 ASSERT ( !theAlgo->NeedDescretBoundary() );
1642 if ( _computeError )
1643 _computeError->myName = COMPERR_OK;
1645 bool ok = theAlgo->Compute( *_father, theCollection );
1647 // set _computeState of subshapes
1648 TopExp_Explorer anExplorer( theCollection, _subShape.ShapeType() );
1649 for ( ; anExplorer.More(); anExplorer.Next() )
1651 if ( SMESH_subMesh* subMesh = _father->GetSubMeshContaining( anExplorer.Current() ))
1653 bool localOK = subMesh->CheckComputeError( theAlgo );
1654 if ( !ok && localOK && !subMesh->IsMeshComputed() )
1656 subMesh->_computeError = theAlgo->GetComputeError();
1657 if ( subMesh->_computeError->IsOK() )
1658 _computeError = SMESH_ComputeError::New(COMPERR_ALGO_FAILED);
1659 localOK = CheckComputeError( theAlgo );
1662 subMesh->UpdateDependantsState( SUBMESH_COMPUTED );
1663 subMesh->UpdateSubMeshState( localOK ? COMPUTE_OK : FAILED_TO_COMPUTE );
1671 //=======================================================================
1672 //function : UpdateSubMeshState
1674 //=======================================================================
1676 void SMESH_subMesh::UpdateSubMeshState(const compute_state theState)
1678 SMESH_subMeshIteratorPtr smIt = getDependsOnIterator(false,false);
1679 while ( smIt->more() )
1680 smIt->next()->_computeState = theState;
1683 //=======================================================================
1684 //function : ComputeSubMeshStateEngine
1686 //=======================================================================
1688 void SMESH_subMesh::ComputeSubMeshStateEngine(int event)
1690 SMESH_subMeshIteratorPtr smIt = getDependsOnIterator(false,false);
1691 while ( smIt->more() )
1692 smIt->next()->ComputeStateEngine(event);
1695 //=======================================================================
1696 //function : UpdateDependantsState
1698 //=======================================================================
1700 void SMESH_subMesh::UpdateDependantsState(const compute_event theEvent)
1702 //MESSAGE("SMESH_subMesh::UpdateDependantsState");
1703 TopTools_ListIteratorOfListOfShape it( _father->GetAncestors( _subShape ));
1704 for (; it.More(); it.Next())
1706 const TopoDS_Shape& ancestor = it.Value();
1707 SMESH_subMesh *aSubMesh =
1708 _father->GetSubMeshContaining(ancestor);
1710 aSubMesh->ComputeStateEngine( theEvent );
1714 //=============================================================================
1718 //=============================================================================
1720 void SMESH_subMesh::CleanDependants()
1722 int dimToClean = SMESH_Gen::GetShapeDim( _subShape ) + 1;
1724 TopTools_ListIteratorOfListOfShape it( _father->GetAncestors( _subShape ));
1725 for (; it.More(); it.Next())
1727 const TopoDS_Shape& ancestor = it.Value();
1728 if ( SMESH_Gen::GetShapeDim( ancestor ) == dimToClean ) {
1729 // PAL8021. do not go upper than SOLID, else ComputeStateEngine(CLEAN)
1730 // will erase mesh on other shapes in a compound
1731 if ( ancestor.ShapeType() >= TopAbs_SOLID ) {
1732 SMESH_subMesh *aSubMesh = _father->GetSubMeshContaining(ancestor);
1734 aSubMesh->ComputeStateEngine(CLEAN);
1740 //=============================================================================
1744 //=============================================================================
1746 void SMESH_subMesh::RemoveSubMeshElementsAndNodes()
1748 //SCRUTE(_subShape.ShapeType());
1750 cleanSubMesh( this );
1752 // algo may bind a submesh not to _subShape, eg 3D algo
1753 // sets nodes on SHELL while _subShape may be SOLID
1755 int dim = SMESH_Gen::GetShapeDim( _subShape );
1756 int type = _subShape.ShapeType() + 1;
1757 for ( ; type <= TopAbs_EDGE; type++) {
1758 if ( dim == SMESH_Gen::GetShapeDim( (TopAbs_ShapeEnum) type ))
1760 TopExp_Explorer exp( _subShape, (TopAbs_ShapeEnum) type );
1761 for ( ; exp.More(); exp.Next() )
1762 cleanSubMesh( _father->GetSubMeshContaining( exp.Current() ));
1769 //=======================================================================
1770 //function : GetCollection
1771 //purpose : return a shape containing all sub-shapes of the MainShape that can be
1772 // meshed at once along with _subShape
1773 //=======================================================================
1775 TopoDS_Shape SMESH_subMesh::GetCollection(SMESH_Gen * theGen,
1776 SMESH_Algo* theAlgo,
1777 bool & theSubComputed)
1779 MESSAGE("SMESH_subMesh::GetCollection");
1781 theSubComputed = SubMeshesComputed();
1783 TopoDS_Shape mainShape = _father->GetMeshDS()->ShapeToMesh();
1785 if ( mainShape.IsSame( _subShape ))
1788 const bool ignoreAuxiliaryHyps = false;
1789 list<const SMESHDS_Hypothesis*> aUsedHyp =
1790 theAlgo->GetUsedHypothesis( *_father, _subShape, ignoreAuxiliaryHyps ); // copy
1792 // put in a compound all shapes with the same hypothesis assigned
1793 // and a good ComputState
1795 TopoDS_Compound aCompound;
1796 BRep_Builder aBuilder;
1797 aBuilder.MakeCompound( aCompound );
1799 TopExp_Explorer anExplorer( mainShape, _subShape.ShapeType() );
1800 for ( ; anExplorer.More(); anExplorer.Next() )
1802 const TopoDS_Shape& S = anExplorer.Current();
1803 SMESH_subMesh* subMesh = _father->GetSubMesh( S );
1804 if ( subMesh == this )
1806 aBuilder.Add( aCompound, S );
1808 else if ( subMesh->GetComputeState() == READY_TO_COMPUTE )
1810 SMESH_Algo* anAlgo = theGen->GetAlgo( *_father, S );
1811 if (anAlgo == theAlgo &&
1812 anAlgo->GetUsedHypothesis( *_father, S, ignoreAuxiliaryHyps ) == aUsedHyp)
1813 aBuilder.Add( aCompound, S );
1814 if ( !subMesh->SubMeshesComputed() )
1815 theSubComputed = false;
1822 //=======================================================================
1823 //function : GetSimilarAttached
1824 //purpose : return a hypothesis attached to theShape.
1825 // If theHyp is provided, similar but not same hypotheses
1826 // is returned; else only applicable ones having theHypType
1828 //=======================================================================
1830 const SMESH_Hypothesis* SMESH_subMesh::GetSimilarAttached(const TopoDS_Shape& theShape,
1831 const SMESH_Hypothesis * theHyp,
1832 const int theHypType)
1834 SMESH_HypoFilter hypoKind;
1835 hypoKind.Init( hypoKind.HasType( theHyp ? theHyp->GetType() : theHypType ));
1837 hypoKind.And ( hypoKind.HasDim( theHyp->GetDim() ));
1838 hypoKind.AndNot( hypoKind.Is( theHyp ));
1839 if ( theHyp->IsAuxiliary() )
1840 hypoKind.And( hypoKind.HasName( theHyp->GetName() ));
1842 hypoKind.AndNot( hypoKind.IsAuxiliary());
1845 hypoKind.And( hypoKind.IsApplicableTo( theShape ));
1848 return _father->GetHypothesis( theShape, hypoKind, false );
1851 //=======================================================================
1852 //function : CheckConcurentHypothesis
1853 //purpose : check if there are several applicable hypothesis attached to
1855 //=======================================================================
1857 SMESH_Hypothesis::Hypothesis_Status
1858 SMESH_subMesh::CheckConcurentHypothesis (const int theHypType)
1860 MESSAGE ("SMESH_subMesh::CheckConcurentHypothesis");
1862 // is there local hypothesis on me?
1863 if ( GetSimilarAttached( _subShape, 0, theHypType ) )
1864 return SMESH_Hypothesis::HYP_OK;
1867 TopoDS_Shape aPrevWithHyp;
1868 const SMESH_Hypothesis* aPrevHyp = 0;
1869 TopTools_ListIteratorOfListOfShape it( _father->GetAncestors( _subShape ));
1870 for (; it.More(); it.Next())
1872 const TopoDS_Shape& ancestor = it.Value();
1873 const SMESH_Hypothesis* hyp = GetSimilarAttached( ancestor, 0, theHypType );
1876 if ( aPrevWithHyp.IsNull() || aPrevWithHyp.IsSame( ancestor ))
1878 aPrevWithHyp = ancestor;
1881 else if ( aPrevWithHyp.ShapeType() == ancestor.ShapeType() && aPrevHyp != hyp )
1882 return SMESH_Hypothesis::HYP_CONCURENT;
1884 return SMESH_Hypothesis::HYP_OK;
1887 return SMESH_Hypothesis::HYP_OK;
1890 //================================================================================
1892 * \brief Sets an event listener and its data to a submesh
1893 * \param listener - the listener to store
1894 * \param data - the listener data to store
1895 * \param where - the submesh to store the listener and it's data
1896 * \param deleteListener - if true then the listener will be deleted as
1897 * it is removed from where submesh
1899 * It remembers the submesh where it puts the listener in order to delete
1900 * them when HYP_OK algo_state is lost
1901 * After being set, event listener is notified on each event of where submesh.
1903 //================================================================================
1905 void SMESH_subMesh::SetEventListener(EventListener* listener,
1906 EventListenerData* data,
1907 SMESH_subMesh* where)
1909 if ( listener && where ) {
1910 where->SetEventListener( listener, data );
1911 myOwnListeners.push_back( make_pair( where, listener ));
1915 //================================================================================
1917 * \brief Sets an event listener and its data to a submesh
1918 * \param listener - the listener to store
1919 * \param data - the listener data to store
1921 * After being set, event listener is notified on each event of a submesh.
1923 //================================================================================
1925 void SMESH_subMesh::SetEventListener(EventListener* listener, EventListenerData* data)
1927 map< EventListener*, EventListenerData* >::iterator l_d =
1928 myEventListeners.find( listener );
1929 if ( l_d != myEventListeners.end() ) {
1930 EventListenerData* curData = l_d->second;
1931 if ( curData && curData != data && curData->IsDeletable() )
1936 myEventListeners.insert( make_pair( listener, data ));
1939 //================================================================================
1941 * \brief Return an event listener data
1942 * \param listener - the listener whose data is
1943 * \retval EventListenerData* - found data, maybe NULL
1945 //================================================================================
1947 EventListenerData* SMESH_subMesh::GetEventListenerData(EventListener* listener) const
1949 map< EventListener*, EventListenerData* >::const_iterator l_d =
1950 myEventListeners.find( listener );
1951 if ( l_d != myEventListeners.end() )
1956 //================================================================================
1958 * \brief Notify stored event listeners on the occured event
1959 * \param event - algo_event or compute_event itself
1960 * \param eventType - algo_event or compute_event
1961 * \param subMesh - the submesh where the event occures
1962 * \param data - listener data stored in the subMesh
1963 * \param hyp - hypothesis, if eventType is algo_event
1965 //================================================================================
1967 void SMESH_subMesh::NotifyListenersOnEvent( const int event,
1968 const event_type eventType,
1969 SMESH_Hypothesis* hyp)
1971 map< EventListener*, EventListenerData* >::iterator l_d = myEventListeners.begin();
1972 for ( ; l_d != myEventListeners.end(); ++l_d )
1973 l_d->first->ProcessEvent( event, eventType, this, l_d->second, hyp );
1976 //================================================================================
1978 * \brief Unregister the listener and delete listener's data
1979 * \param listener - the event listener
1981 //================================================================================
1983 void SMESH_subMesh::DeleteEventListener(EventListener* listener)
1985 map< EventListener*, EventListenerData* >::iterator l_d =
1986 myEventListeners.find( listener );
1987 if ( l_d != myEventListeners.end() ) {
1988 if ( l_d->first && l_d->first->IsDeletable() ) delete l_d->first;
1989 if ( l_d->second && l_d->second->IsDeletable() ) delete l_d->second;
1990 myEventListeners.erase( l_d );
1994 //================================================================================
1996 * \brief Delete event listeners depending on algo of this submesh
1998 //================================================================================
2000 void SMESH_subMesh::DeleteOwnListeners()
2002 list< pair< SMESH_subMesh*, EventListener* > >::iterator sm_l;
2003 for ( sm_l = myOwnListeners.begin(); sm_l != myOwnListeners.end(); ++sm_l)
2004 sm_l->first->DeleteEventListener( sm_l->second );
2005 myOwnListeners.clear();
2008 //================================================================================
2010 * \brief Do something on a certain event
2011 * \param event - algo_event or compute_event itself
2012 * \param eventType - algo_event or compute_event
2013 * \param subMesh - the submesh where the event occures
2014 * \param data - listener data stored in the subMesh
2015 * \param hyp - hypothesis, if eventType is algo_event
2017 * The base implementation translates CLEAN event to the subMesh
2018 * stored in listener data. Also it sends SUBMESH_COMPUTED event in case of
2019 * successful COMPUTE event.
2021 //================================================================================
2023 void SMESH_subMeshEventListener::ProcessEvent(const int event,
2024 const int eventType,
2025 SMESH_subMesh* subMesh,
2026 EventListenerData* data,
2027 const SMESH_Hypothesis* /*hyp*/)
2029 if ( data && !data->mySubMeshes.empty() &&
2030 eventType == SMESH_subMesh::COMPUTE_EVENT)
2032 ASSERT( data->mySubMeshes.front() != subMesh );
2033 list<SMESH_subMesh*>::iterator smIt = data->mySubMeshes.begin();
2034 list<SMESH_subMesh*>::iterator smEnd = data->mySubMeshes.end();
2036 case SMESH_subMesh::CLEAN:
2037 for ( ; smIt != smEnd; ++ smIt)
2038 (*smIt)->ComputeStateEngine( event );
2040 case SMESH_subMesh::COMPUTE:
2041 if ( subMesh->GetComputeState() == SMESH_subMesh::COMPUTE_OK )
2042 for ( ; smIt != smEnd; ++ smIt)
2043 (*smIt)->ComputeStateEngine( SMESH_subMesh::SUBMESH_COMPUTED );
2052 //================================================================================
2054 * \brief Iterator over submeshes and optionally prepended or appended one
2056 //================================================================================
2058 struct _Iterator : public SMDS_Iterator<SMESH_subMesh*>
2060 _Iterator(SMDS_Iterator<SMESH_subMesh*>* subIt,
2061 SMESH_subMesh* prepend,
2062 SMESH_subMesh* append): myIt(subIt),myAppend(append)
2064 myCur = prepend ? prepend : myIt->more() ? myIt->next() : 0;
2066 /// Return true if and only if there are other object in this iterator
2071 /// Return the current object and step to the next one
2072 virtual SMESH_subMesh* next()
2074 SMESH_subMesh* res = myCur;
2075 if ( myIt->more() ) { myCur = myIt->next(); }
2076 else { myCur = myAppend; myAppend = 0; }
2083 SMESH_subMesh *myAppend, *myCur;
2084 SMDS_Iterator<SMESH_subMesh*> *myIt;
2088 //================================================================================
2090 * \brief Return iterator on the submeshes this one depends on
2091 * \param includeSelf - this submesh to be returned also
2092 * \param reverse - if true, complex shape submeshes go first
2094 //================================================================================
2096 SMESH_subMeshIteratorPtr SMESH_subMesh::getDependsOnIterator(const bool includeSelf,
2099 SMESH_subMesh *prepend=0, *append=0;
2100 if ( includeSelf ) {
2101 if ( reverse ) prepend = this;
2104 typedef map < int, SMESH_subMesh * > TMap;
2107 return SMESH_subMeshIteratorPtr
2108 ( new _Iterator( new SMDS_mapReverseIterator<TMap>( DependsOn() ), prepend, append ));
2111 return SMESH_subMeshIteratorPtr
2112 ( new _Iterator( new SMDS_mapIterator<TMap>( DependsOn() ), prepend, append ));