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_Gen.cxx
25 // Author : Paul RASCLE, EDF
31 #include "SMESH_Gen.hxx"
33 #include "SMDS_Mesh.hxx"
34 #include "SMDS_MeshElement.hxx"
35 #include "SMDS_MeshNode.hxx"
36 #include "SMESHDS_Document.hxx"
37 #include "SMESH_HypoFilter.hxx"
38 #include "SMESH_MesherHelper.hxx"
39 #include "SMESH_subMesh.hxx"
41 #include "utilities.h"
43 #include "Utils_ExceptHandlers.hxx"
45 #include <TopoDS_Iterator.hxx>
46 #include <LDOMParser.hxx>
56 //#include <vtkDebugLeaks.h>
59 //=============================================================================
63 //=============================================================================
65 SMESH_Gen::SMESH_Gen()
67 MESSAGE("SMESH_Gen::SMESH_Gen");
70 _segmentation = _nbSegments = 10;
71 SMDS_Mesh::_meshList.clear();
72 MESSAGE(SMDS_Mesh::_meshList.size());
73 //_counters = new counters(100);
74 #ifdef WITH_SMESH_CANCEL_COMPUTE
75 _compute_canceled = false;
78 //vtkDebugLeaks::SetExitError(0);
81 //=============================================================================
85 //=============================================================================
87 SMESH_Gen::~SMESH_Gen()
89 MESSAGE("SMESH_Gen::~SMESH_Gen");
90 std::map < int, StudyContextStruct * >::iterator i_sc = _mapStudyContext.begin();
91 for ( ; i_sc != _mapStudyContext.end(); ++i_sc )
93 delete i_sc->second->myDocument;
98 //=============================================================================
100 * Creates a mesh in a study.
101 * if (theIsEmbeddedMode) { mesh modification commands are not logged }
103 //=============================================================================
105 SMESH_Mesh* SMESH_Gen::CreateMesh(int theStudyId, bool theIsEmbeddedMode)
106 throw(SALOME_Exception)
108 Unexpect aCatch(SalomeException);
109 MESSAGE("SMESH_Gen::CreateMesh");
111 // Get studyContext, create it if it does'nt exist, with a SMESHDS_Document
112 StudyContextStruct *aStudyContext = GetStudyContext(theStudyId);
114 // create a new SMESH_mesh object
115 SMESH_Mesh *aMesh = new SMESH_Mesh(_localId++,
119 aStudyContext->myDocument);
120 aStudyContext->mapMesh[_localId-1] = aMesh;
125 //=============================================================================
129 //=============================================================================
131 bool SMESH_Gen::Compute(SMESH_Mesh & aMesh,
132 const TopoDS_Shape & aShape,
134 const ::MeshDimension aDim,
135 TSetOfInt* aShapesId)
137 MESSAGE("SMESH_Gen::Compute");
142 SMESH_subMesh *sm = aMesh.GetSubMesh(aShape);
144 const bool includeSelf = true;
145 const bool complexShapeFirst = true;
146 const int globalAlgoDim = 100;
148 SMESH_subMeshIteratorPtr smIt;
150 if ( anUpward ) // is called from below code here
152 // -----------------------------------------------
153 // mesh all the sub-shapes starting from vertices
154 // -----------------------------------------------
155 smIt = sm->getDependsOnIterator(includeSelf, !complexShapeFirst);
156 while ( smIt->more() )
158 SMESH_subMesh* smToCompute = smIt->next();
160 // do not mesh vertices of a pseudo shape
161 const TopAbs_ShapeEnum aShType = smToCompute->GetSubShape().ShapeType();
162 if ( !aMesh.HasShapeToMesh() && aShType == TopAbs_VERTEX )
165 // check for preview dimension limitations
166 if ( aShapesId && GetShapeDim( aShType ) > (int)aDim )
168 // clear compute state not to show previous compute errors
169 // if preview invoked less dimension less than previous
170 smToCompute->ComputeStateEngine( SMESH_subMesh::CHECK_COMPUTE_STATE );
174 if (smToCompute->GetComputeState() == SMESH_subMesh::READY_TO_COMPUTE)
176 #ifdef WITH_SMESH_CANCEL_COMPUTE
177 if (_compute_canceled)
179 _sm_current = smToCompute;
181 smToCompute->ComputeStateEngine( SMESH_subMesh::COMPUTE );
182 #ifdef WITH_SMESH_CANCEL_COMPUTE
187 // we check all the submeshes here and detect if any of them failed to compute
188 if (smToCompute->GetComputeState() == SMESH_subMesh::FAILED_TO_COMPUTE)
190 else if ( aShapesId )
191 aShapesId->insert( smToCompute->GetId() );
193 //aMesh.GetMeshDS()->Modified();
198 // -----------------------------------------------------------------
199 // apply algos that DO NOT require Discreteized boundaries and DO NOT
200 // support submeshes, starting from the most complex shapes
201 // and collect submeshes with algos that DO support submeshes
202 // -----------------------------------------------------------------
203 list< SMESH_subMesh* > smWithAlgoSupportingSubmeshes;
205 // map to sort sm with same dim algos according to dim of
206 // the shape the algo assigned to (issue 0021217)
207 multimap< int, SMESH_subMesh* > shDim2sm;
208 multimap< int, SMESH_subMesh* >::reverse_iterator shDim2smIt;
209 TopoDS_Shape algoShape;
210 int prevShapeDim = -1;
212 smIt = sm->getDependsOnIterator(includeSelf, complexShapeFirst);
213 while ( smIt->more() )
215 SMESH_subMesh* smToCompute = smIt->next();
216 if ( smToCompute->GetComputeState() != SMESH_subMesh::READY_TO_COMPUTE )
219 const TopoDS_Shape& aSubShape = smToCompute->GetSubShape();
220 int aShapeDim = GetShapeDim( aSubShape );
221 if ( aShapeDim < 1 ) break;
223 // check for preview dimension limitations
224 if ( aShapesId && aShapeDim > (int)aDim )
227 SMESH_Algo* algo = GetAlgo( aMesh, aSubShape, &algoShape );
228 if ( algo && !algo->NeedDiscreteBoundary() )
230 if ( algo->SupportSubmeshes() )
232 // reload sub-meshes from shDim2sm into smWithAlgoSupportingSubmeshes
233 // so that more local algos to go first
234 if ( prevShapeDim != aShapeDim )
236 prevShapeDim = aShapeDim;
237 for ( shDim2smIt = shDim2sm.rbegin(); shDim2smIt != shDim2sm.rend(); ++shDim2smIt )
238 if ( shDim2smIt->first == globalAlgoDim )
239 smWithAlgoSupportingSubmeshes.push_back( shDim2smIt->second );
241 smWithAlgoSupportingSubmeshes.push_front( shDim2smIt->second );
244 // add smToCompute to shDim2sm map
245 if ( algoShape.IsSame( aMesh.GetShapeToMesh() ))
247 aShapeDim = globalAlgoDim; // to compute last
251 aShapeDim = GetShapeDim( algoShape );
252 if ( algoShape.ShapeType() == TopAbs_COMPOUND )
254 TopoDS_Iterator it( algoShape );
255 aShapeDim += GetShapeDim( it.Value() );
258 shDim2sm.insert( make_pair( aShapeDim, smToCompute ));
262 #ifdef WITH_SMESH_CANCEL_COMPUTE
263 if (_compute_canceled)
265 _sm_current = smToCompute;
267 smToCompute->ComputeStateEngine( SMESH_subMesh::COMPUTE );
268 #ifdef WITH_SMESH_CANCEL_COMPUTE
272 aShapesId->insert( smToCompute->GetId() );
276 // reload sub-meshes from shDim2sm into smWithAlgoSupportingSubmeshes
277 for ( shDim2smIt = shDim2sm.rbegin(); shDim2smIt != shDim2sm.rend(); ++shDim2smIt )
278 if ( shDim2smIt->first == globalAlgoDim )
279 smWithAlgoSupportingSubmeshes.push_back( shDim2smIt->second );
281 smWithAlgoSupportingSubmeshes.push_front( shDim2smIt->second );
283 // ------------------------------------------------------------
284 // sort list of submeshes according to mesh order
285 // ------------------------------------------------------------
286 aMesh.SortByMeshOrder( smWithAlgoSupportingSubmeshes );
288 // ------------------------------------------------------------
289 // compute submeshes under shapes with algos that DO NOT require
290 // Discreteized boundaries and DO support submeshes
291 // ------------------------------------------------------------
292 list< SMESH_subMesh* >::iterator subIt, subEnd;
293 subIt = smWithAlgoSupportingSubmeshes.begin();
294 subEnd = smWithAlgoSupportingSubmeshes.end();
295 // start from lower shapes
296 for ( ; subIt != subEnd; ++subIt )
300 // get a shape the algo is assigned to
301 if ( !GetAlgo( aMesh, sm->GetSubShape(), & algoShape ))
302 continue; // strange...
304 // look for more local algos
305 smIt = sm->getDependsOnIterator(!includeSelf, !complexShapeFirst);
306 while ( smIt->more() )
308 SMESH_subMesh* smToCompute = smIt->next();
310 const TopoDS_Shape& aSubShape = smToCompute->GetSubShape();
311 const int aShapeDim = GetShapeDim( aSubShape );
312 //if ( aSubShape.ShapeType() == TopAbs_VERTEX ) continue;
313 if ( aShapeDim < 1 ) continue;
315 // check for preview dimension limitations
316 if ( aShapesId && GetShapeDim( aSubShape.ShapeType() ) > (int)aDim )
319 SMESH_HypoFilter filter( SMESH_HypoFilter::IsAlgo() );
321 .And( SMESH_HypoFilter::IsApplicableTo( aSubShape ))
322 .And( SMESH_HypoFilter::IsMoreLocalThan( algoShape, aMesh ));
324 if ( SMESH_Algo* subAlgo = (SMESH_Algo*) aMesh.GetHypothesis( aSubShape, filter, true )) {
325 SMESH_Hypothesis::Hypothesis_Status status;
326 if ( subAlgo->CheckHypothesis( aMesh, aSubShape, status ))
327 // mesh a lower smToCompute starting from vertices
328 Compute( aMesh, aSubShape, /*anUpward=*/true, aDim, aShapesId );
332 // ----------------------------------------------------------
333 // apply the algos that do not require Discreteized boundaries
334 // ----------------------------------------------------------
335 for ( subIt = smWithAlgoSupportingSubmeshes.begin(); subIt != subEnd; ++subIt )
338 if ( sm->GetComputeState() == SMESH_subMesh::READY_TO_COMPUTE)
340 const TopAbs_ShapeEnum aShType = sm->GetSubShape().ShapeType();
341 // check for preview dimension limitations
342 if ( aShapesId && GetShapeDim( aShType ) > (int)aDim )
345 #ifdef WITH_SMESH_CANCEL_COMPUTE
346 if (_compute_canceled)
350 sm->ComputeStateEngine( SMESH_subMesh::COMPUTE );
351 #ifdef WITH_SMESH_CANCEL_COMPUTE
355 aShapesId->insert( sm->GetId() );
358 // -----------------------------------------------
359 // mesh the rest sub-shapes starting from vertices
360 // -----------------------------------------------
361 ret = Compute( aMesh, aShape, /*anUpward=*/true, aDim, aShapesId );
364 MESSAGE( "VSR - SMESH_Gen::Compute() finished, OK = " << ret);
367 SMESHDS_Mesh *myMesh = aMesh.GetMeshDS();
368 MESSAGE("*** compactMesh after compute");
369 myMesh->compactMesh();
371 // fix quadratic mesh by bending iternal links near concave boundary
372 if ( aShape.IsSame( aMesh.GetShapeToMesh() ) &&
373 !aShapesId ) // not preview
375 SMESH_MesherHelper aHelper( aMesh );
376 if ( aHelper.IsQuadraticMesh() != SMESH_MesherHelper::LINEAR )
378 aHelper.FixQuadraticElements( sm->GetComputeError() );
385 #ifdef WITH_SMESH_CANCEL_COMPUTE
386 //=============================================================================
388 * Prepare Compute a mesh
390 //=============================================================================
391 void SMESH_Gen::PrepareCompute(SMESH_Mesh & aMesh,
392 const TopoDS_Shape & aShape)
394 _compute_canceled = false;
397 //=============================================================================
399 * Cancel Compute a mesh
401 //=============================================================================
402 void SMESH_Gen::CancelCompute(SMESH_Mesh & aMesh,
403 const TopoDS_Shape & aShape)
405 _compute_canceled = true;
408 _sm_current->ComputeStateEngine( SMESH_subMesh::COMPUTE_CANCELED );
413 //=============================================================================
417 //=============================================================================
419 bool SMESH_Gen::Evaluate(SMESH_Mesh & aMesh,
420 const TopoDS_Shape & aShape,
421 MapShapeNbElems& aResMap,
423 TSetOfInt* aShapesId)
425 MESSAGE("SMESH_Gen::Evaluate");
429 SMESH_subMesh *sm = aMesh.GetSubMesh(aShape);
431 const bool includeSelf = true;
432 const bool complexShapeFirst = true;
433 SMESH_subMeshIteratorPtr smIt;
435 if ( anUpward ) { // is called from below code here
436 // -----------------------------------------------
437 // mesh all the sub-shapes starting from vertices
438 // -----------------------------------------------
439 smIt = sm->getDependsOnIterator(includeSelf, !complexShapeFirst);
440 while ( smIt->more() ) {
441 SMESH_subMesh* smToCompute = smIt->next();
443 // do not mesh vertices of a pseudo shape
444 const TopAbs_ShapeEnum aShType = smToCompute->GetSubShape().ShapeType();
445 //if ( !aMesh.HasShapeToMesh() && aShType == TopAbs_VERTEX )
447 if ( !aMesh.HasShapeToMesh() ) {
448 if( aShType == TopAbs_VERTEX || aShType == TopAbs_WIRE ||
449 aShType == TopAbs_SHELL )
453 smToCompute->Evaluate(aResMap);
455 aShapesId->insert( smToCompute->GetId() );
460 // -----------------------------------------------------------------
461 // apply algos that DO NOT require Discreteized boundaries and DO NOT
462 // support submeshes, starting from the most complex shapes
463 // and collect submeshes with algos that DO support submeshes
464 // -----------------------------------------------------------------
465 list< SMESH_subMesh* > smWithAlgoSupportingSubmeshes;
466 smIt = sm->getDependsOnIterator(includeSelf, complexShapeFirst);
467 while ( smIt->more() ) {
468 SMESH_subMesh* smToCompute = smIt->next();
469 const TopoDS_Shape& aSubShape = smToCompute->GetSubShape();
470 const int aShapeDim = GetShapeDim( aSubShape );
471 if ( aShapeDim < 1 ) break;
473 SMESH_Algo* algo = GetAlgo( aMesh, aSubShape );
474 if ( algo && !algo->NeedDiscreteBoundary() ) {
475 if ( algo->SupportSubmeshes() ) {
476 smWithAlgoSupportingSubmeshes.push_front( smToCompute );
479 smToCompute->Evaluate(aResMap);
481 aShapesId->insert( smToCompute->GetId() );
486 // ------------------------------------------------------------
487 // sort list of meshes according to mesh order
488 // ------------------------------------------------------------
489 aMesh.SortByMeshOrder( smWithAlgoSupportingSubmeshes );
491 // ------------------------------------------------------------
492 // compute submeshes under shapes with algos that DO NOT require
493 // Discreteized boundaries and DO support submeshes
494 // ------------------------------------------------------------
495 list< SMESH_subMesh* >::iterator subIt, subEnd;
496 subIt = smWithAlgoSupportingSubmeshes.begin();
497 subEnd = smWithAlgoSupportingSubmeshes.end();
498 // start from lower shapes
499 for ( ; subIt != subEnd; ++subIt ) {
502 // get a shape the algo is assigned to
503 TopoDS_Shape algoShape;
504 if ( !GetAlgo( aMesh, sm->GetSubShape(), & algoShape ))
505 continue; // strange...
507 // look for more local algos
508 smIt = sm->getDependsOnIterator(!includeSelf, !complexShapeFirst);
509 while ( smIt->more() ) {
510 SMESH_subMesh* smToCompute = smIt->next();
512 const TopoDS_Shape& aSubShape = smToCompute->GetSubShape();
513 const int aShapeDim = GetShapeDim( aSubShape );
514 if ( aShapeDim < 1 ) continue;
516 //const TopAbs_ShapeEnum aShType = smToCompute->GetSubShape().ShapeType();
518 SMESH_HypoFilter filter( SMESH_HypoFilter::IsAlgo() );
520 .And( SMESH_HypoFilter::IsApplicableTo( aSubShape ))
521 .And( SMESH_HypoFilter::IsMoreLocalThan( algoShape, aMesh ));
523 if ( SMESH_Algo* subAlgo = (SMESH_Algo*) aMesh.GetHypothesis( aSubShape, filter, true )) {
524 SMESH_Hypothesis::Hypothesis_Status status;
525 if ( subAlgo->CheckHypothesis( aMesh, aSubShape, status ))
526 // mesh a lower smToCompute starting from vertices
527 Evaluate( aMesh, aSubShape, aResMap, /*anUpward=*/true, aShapesId );
531 // ----------------------------------------------------------
532 // apply the algos that do not require Discreteized boundaries
533 // ----------------------------------------------------------
534 for ( subIt = smWithAlgoSupportingSubmeshes.begin(); subIt != subEnd; ++subIt )
537 sm->Evaluate(aResMap);
539 aShapesId->insert( sm->GetId() );
542 // -----------------------------------------------
543 // mesh the rest sub-shapes starting from vertices
544 // -----------------------------------------------
545 ret = Evaluate( aMesh, aShape, aResMap, /*anUpward=*/true, aShapesId );
548 MESSAGE( "VSR - SMESH_Gen::Evaluate() finished, OK = " << ret);
553 //=======================================================================
554 //function : checkConformIgnoredAlgos
556 //=======================================================================
558 static bool checkConformIgnoredAlgos(SMESH_Mesh& aMesh,
559 SMESH_subMesh* aSubMesh,
560 const SMESH_Algo* aGlobIgnoAlgo,
561 const SMESH_Algo* aLocIgnoAlgo,
563 set<SMESH_subMesh*>& aCheckedMap,
564 list< SMESH_Gen::TAlgoStateError > & theErrors)
567 if ( aSubMesh->GetSubShape().ShapeType() == TopAbs_VERTEX)
573 const list<const SMESHDS_Hypothesis*>& listHyp =
574 aMesh.GetMeshDS()->GetHypothesis( aSubMesh->GetSubShape() );
575 list<const SMESHDS_Hypothesis*>::const_iterator it=listHyp.begin();
576 for ( ; it != listHyp.end(); it++)
578 const SMESHDS_Hypothesis * aHyp = *it;
579 if (aHyp->GetType() == SMESHDS_Hypothesis::PARAM_ALGO)
582 const SMESH_Algo* algo = dynamic_cast<const SMESH_Algo*> (aHyp);
585 if ( aLocIgnoAlgo ) // algo is hidden by a local algo of upper dim
587 theErrors.push_back( SMESH_Gen::TAlgoStateError() );
588 theErrors.back().Set( SMESH_Hypothesis::HYP_HIDDEN_ALGO, algo, false );
589 INFOS( "Local <" << algo->GetName() << "> is hidden by local <"
590 << aLocIgnoAlgo->GetName() << ">");
594 bool isGlobal = (aMesh.IsMainShape( aSubMesh->GetSubShape() ));
595 int dim = algo->GetDim();
596 int aMaxGlobIgnoDim = ( aGlobIgnoAlgo ? aGlobIgnoAlgo->GetDim() : -1 );
597 bool isNeededDim = ( aGlobIgnoAlgo ? aGlobIgnoAlgo->NeedLowerHyps( dim ) : false );
599 if (( dim < aMaxGlobIgnoDim && !isNeededDim ) &&
600 ( isGlobal || !aGlobIgnoAlgo->SupportSubmeshes() ))
602 // algo is hidden by a global algo
603 theErrors.push_back( SMESH_Gen::TAlgoStateError() );
604 theErrors.back().Set( SMESH_Hypothesis::HYP_HIDDEN_ALGO, algo, true );
605 INFOS( ( isGlobal ? "Global" : "Local" )
606 << " <" << algo->GetName() << "> is hidden by global <"
607 << aGlobIgnoAlgo->GetName() << ">");
609 else if ( !algo->NeedDiscreteBoundary() && !isGlobal)
611 // local algo is not hidden and hides algos on sub-shapes
612 if (checkConform && !aSubMesh->IsConform( algo ))
615 checkConform = false; // no more check conformity
616 INFOS( "ERROR: Local <" << algo->GetName() <<
617 "> would produce not conform mesh: "
618 "<Not Conform Mesh Allowed> hypotesis is missing");
619 theErrors.push_back( SMESH_Gen::TAlgoStateError() );
620 theErrors.back().Set( SMESH_Hypothesis::HYP_NOTCONFORM, algo, false );
623 // sub-algos will be hidden by a local <algo>
624 SMESH_subMeshIteratorPtr revItSub =
625 aSubMesh->getDependsOnIterator( /*includeSelf=*/false, /*complexShapeFirst=*/true);
626 bool checkConform2 = false;
627 while ( revItSub->more() )
629 SMESH_subMesh* sm = revItSub->next();
630 checkConformIgnoredAlgos (aMesh, sm, aGlobIgnoAlgo,
631 algo, checkConform2, aCheckedMap, theErrors);
632 aCheckedMap.insert( sm );
641 //=======================================================================
642 //function : checkMissing
643 //purpose : notify on missing hypothesis
644 // Return false if algo or hipothesis is missing
645 //=======================================================================
647 static bool checkMissing(SMESH_Gen* aGen,
649 SMESH_subMesh* aSubMesh,
650 const int aTopAlgoDim,
652 const bool checkNoAlgo,
653 set<SMESH_subMesh*>& aCheckedMap,
654 list< SMESH_Gen::TAlgoStateError > & theErrors)
656 switch ( aSubMesh->GetSubShape().ShapeType() )
660 case TopAbs_SOLID: break; // check this submesh, it can be meshed
662 return true; // not meshable submesh
664 if ( aCheckedMap.count( aSubMesh ))
667 //MESSAGE("=====checkMissing");
670 SMESH_Algo* algo = 0;
672 switch (aSubMesh->GetAlgoState())
674 case SMESH_subMesh::NO_ALGO: {
677 // should there be any algo?
678 int shapeDim = SMESH_Gen::GetShapeDim( aSubMesh->GetSubShape() );
679 if (aTopAlgoDim > shapeDim)
681 MESSAGE( "ERROR: " << shapeDim << "D algorithm is missing" );
683 theErrors.push_back( SMESH_Gen::TAlgoStateError() );
684 theErrors.back().Set( SMESH_Hypothesis::HYP_MISSING, shapeDim, true );
689 case SMESH_subMesh::MISSING_HYP: {
690 // notify if an algo missing hyp is attached to aSubMesh
691 algo = aSubMesh->GetAlgo();
693 bool IsGlobalHypothesis = aGen->IsGlobalHypothesis( algo, aMesh );
694 if (!IsGlobalHypothesis || !globalChecked[ algo->GetDim() ])
696 TAlgoStateErrorName errName = SMESH_Hypothesis::HYP_MISSING;
697 SMESH_Hypothesis::Hypothesis_Status status;
698 algo->CheckHypothesis( aMesh, aSubMesh->GetSubShape(), status );
699 if ( status == SMESH_Hypothesis::HYP_BAD_PARAMETER ) {
700 MESSAGE( "ERROR: hypothesis of " << (IsGlobalHypothesis ? "Global " : "Local ")
701 << "<" << algo->GetName() << "> has a bad parameter value");
703 } else if ( status == SMESH_Hypothesis::HYP_BAD_GEOMETRY ) {
704 MESSAGE( "ERROR: " << (IsGlobalHypothesis ? "Global " : "Local ")
705 << "<" << algo->GetName() << "> assigned to mismatching geometry");
708 MESSAGE( "ERROR: " << (IsGlobalHypothesis ? "Global " : "Local ")
709 << "<" << algo->GetName() << "> misses some hypothesis");
711 if (IsGlobalHypothesis)
712 globalChecked[ algo->GetDim() ] = true;
713 theErrors.push_back( SMESH_Gen::TAlgoStateError() );
714 theErrors.back().Set( errName, algo, IsGlobalHypothesis );
719 case SMESH_subMesh::HYP_OK:
720 algo = aSubMesh->GetAlgo();
722 if (!algo->NeedDiscreteBoundary())
724 SMESH_subMeshIteratorPtr itsub = aSubMesh->getDependsOnIterator( /*includeSelf=*/false,
725 /*complexShapeFirst=*/false);
726 while ( itsub->more() )
727 aCheckedMap.insert( itsub->next() );
733 // do not check under algo that hides sub-algos or
734 // re-start checking NO_ALGO state
736 bool isTopLocalAlgo =
737 ( aTopAlgoDim <= algo->GetDim() && !aGen->IsGlobalHypothesis( algo, aMesh ));
738 if (!algo->NeedDiscreteBoundary() || isTopLocalAlgo)
740 bool checkNoAlgo2 = ( algo->NeedDiscreteBoundary() );
741 SMESH_subMeshIteratorPtr itsub = aSubMesh->getDependsOnIterator( /*includeSelf=*/false,
742 /*complexShapeFirst=*/true);
743 while ( itsub->more() )
745 // sub-meshes should not be checked further more
746 SMESH_subMesh* sm = itsub->next();
750 //check algo on sub-meshes
751 int aTopAlgoDim2 = algo->GetDim();
752 if (!checkMissing (aGen, aMesh, sm, aTopAlgoDim2,
753 globalChecked, checkNoAlgo2, aCheckedMap, theErrors))
756 if (sm->GetAlgoState() == SMESH_subMesh::NO_ALGO )
757 checkNoAlgo2 = false;
760 aCheckedMap.insert( sm );
766 //=======================================================================
767 //function : CheckAlgoState
768 //purpose : notify on bad state of attached algos, return false
769 // if Compute() would fail because of some algo bad state
770 //=======================================================================
772 bool SMESH_Gen::CheckAlgoState(SMESH_Mesh& aMesh, const TopoDS_Shape& aShape)
774 list< TAlgoStateError > errors;
775 return GetAlgoState( aMesh, aShape, errors );
778 //=======================================================================
779 //function : GetAlgoState
780 //purpose : notify on bad state of attached algos, return false
781 // if Compute() would fail because of some algo bad state
782 // theErrors list contains problems description
783 //=======================================================================
785 bool SMESH_Gen::GetAlgoState(SMESH_Mesh& theMesh,
786 const TopoDS_Shape& theShape,
787 list< TAlgoStateError > & theErrors)
789 //MESSAGE("SMESH_Gen::CheckAlgoState");
792 bool hasAlgo = false;
794 SMESH_subMesh* sm = theMesh.GetSubMesh(theShape);
795 const SMESHDS_Mesh* meshDS = theMesh.GetMeshDS();
796 TopoDS_Shape mainShape = meshDS->ShapeToMesh();
802 const SMESH_Algo* aGlobAlgoArr[] = {0,0,0,0};
804 const list<const SMESHDS_Hypothesis*>& listHyp = meshDS->GetHypothesis( mainShape );
805 list<const SMESHDS_Hypothesis*>::const_iterator it=listHyp.begin();
806 for ( ; it != listHyp.end(); it++)
808 const SMESHDS_Hypothesis * aHyp = *it;
809 if (aHyp->GetType() == SMESHDS_Hypothesis::PARAM_ALGO)
812 const SMESH_Algo* algo = dynamic_cast<const SMESH_Algo*> (aHyp);
815 int dim = algo->GetDim();
816 aGlobAlgoArr[ dim ] = algo;
821 // --------------------------------------------------------
822 // info on algos that will be ignored because of ones that
823 // don't NeedDiscreteBoundary() attached to super-shapes,
824 // check that a conform mesh will be produced
825 // --------------------------------------------------------
828 // find a global algo possibly hiding sub-algos
830 const SMESH_Algo* aGlobIgnoAlgo = 0;
831 for (dim = 3; dim > 0; dim--)
833 if (aGlobAlgoArr[ dim ] &&
834 !aGlobAlgoArr[ dim ]->NeedDiscreteBoundary() /*&&
835 !aGlobAlgoArr[ dim ]->SupportSubmeshes()*/ )
837 aGlobIgnoAlgo = aGlobAlgoArr[ dim ];
842 set<SMESH_subMesh*> aCheckedSubs;
843 bool checkConform = ( !theMesh.IsNotConformAllowed() );
845 // loop on theShape and its sub-shapes
846 SMESH_subMeshIteratorPtr revItSub = sm->getDependsOnIterator( /*includeSelf=*/true,
847 /*complexShapeFirst=*/true);
848 while ( revItSub->more() )
850 SMESH_subMesh* smToCheck = revItSub->next();
851 if ( smToCheck->GetSubShape().ShapeType() == TopAbs_VERTEX)
854 if ( aCheckedSubs.insert( smToCheck ).second ) // not yet checked
855 if (!checkConformIgnoredAlgos (theMesh, smToCheck, aGlobIgnoAlgo,
856 0, checkConform, aCheckedSubs, theErrors))
859 if ( smToCheck->GetAlgoState() != SMESH_subMesh::NO_ALGO )
863 // ----------------------------------------------------------------
864 // info on missing hypothesis and find out if all needed algos are
866 // ----------------------------------------------------------------
868 //MESSAGE( "---info on missing hypothesis and find out if all needed algos are");
870 // find max dim of global algo
872 for (dim = 3; dim > 0; dim--)
874 if (aGlobAlgoArr[ dim ])
880 bool checkNoAlgo = theMesh.HasShapeToMesh() ? bool( aTopAlgoDim ) : false;
881 bool globalChecked[] = { false, false, false, false };
883 // loop on theShape and its sub-shapes
884 aCheckedSubs.clear();
885 revItSub = sm->getDependsOnIterator( /*includeSelf=*/true, /*complexShapeFirst=*/true);
886 while ( revItSub->more() )
888 SMESH_subMesh* smToCheck = revItSub->next();
889 if ( smToCheck->GetSubShape().ShapeType() == TopAbs_VERTEX)
892 if (!checkMissing (this, theMesh, smToCheck, aTopAlgoDim,
893 globalChecked, checkNoAlgo, aCheckedSubs, theErrors))
896 if (smToCheck->GetAlgoState() == SMESH_subMesh::NO_ALGO )
903 INFOS( "None algorithm attached" );
904 theErrors.push_back( TAlgoStateError() );
905 theErrors.back().Set( SMESH_Hypothesis::HYP_MISSING, 1, true );
911 //=======================================================================
912 //function : IsGlobalHypothesis
913 //purpose : check if theAlgo is attached to the main shape
914 //=======================================================================
916 bool SMESH_Gen::IsGlobalHypothesis(const SMESH_Hypothesis* theHyp, SMESH_Mesh& aMesh)
918 SMESH_HypoFilter filter( SMESH_HypoFilter::Is( theHyp ));
919 return aMesh.GetHypothesis( aMesh.GetMeshDS()->ShapeToMesh(), filter, false );
922 //================================================================================
924 * \brief Return paths to xml files of plugins
926 //================================================================================
928 std::vector< std::string > SMESH_Gen::GetPluginXMLPaths()
930 // Get paths to xml files of plugins
931 vector< string > xmlPaths;
933 if ( const char* meshersList = getenv("SMESH_MeshersList") )
935 string meshers = meshersList, plugin;
936 string::size_type from = 0, pos;
937 while ( from < meshers.size() )
939 // cut off plugin name
940 pos = meshers.find( ':', from );
941 if ( pos != string::npos )
942 plugin = meshers.substr( from, pos-from );
944 plugin = meshers.substr( from ), pos = meshers.size();
947 // get PLUGIN_ROOT_DIR path
948 string rootDirVar, pluginSubDir = plugin;
949 if ( plugin == "StdMeshers" )
950 rootDirVar = "SMESH", pluginSubDir = "smesh";
952 for ( pos = 0; pos < plugin.size(); ++pos )
953 rootDirVar += toupper( plugin[pos] );
954 rootDirVar += "_ROOT_DIR";
956 const char* rootDir = getenv( rootDirVar.c_str() );
957 if ( !rootDir || strlen(rootDir) == 0 )
959 rootDirVar = plugin + "_ROOT_DIR"; // HexoticPLUGIN_ROOT_DIR
960 rootDir = getenv( rootDirVar.c_str() );
961 if ( !rootDir || strlen(rootDir) == 0 ) continue;
964 // get a separator from rootDir
965 for ( pos = strlen( rootDir )-1; pos >= 0 && sep.empty(); --pos )
966 if ( rootDir[pos] == '/' || rootDir[pos] == '\\' )
972 if (sep.empty() ) sep = "\\";
974 if (sep.empty() ) sep = "/";
977 // get a path to resource file
978 string xmlPath = rootDir;
979 if ( xmlPath[ xmlPath.size()-1 ] != sep[0] )
981 xmlPath += "share" + sep + "salome" + sep + "resources" + sep;
982 for ( pos = 0; pos < pluginSubDir.size(); ++pos )
983 xmlPath += tolower( pluginSubDir[pos] );
984 xmlPath += sep + plugin + ".xml";
987 fileOK = (GetFileAttributes(xmlPath.c_str()) != INVALID_FILE_ATTRIBUTES);
989 fileOK = (access(xmlPath.c_str(), F_OK) == 0);
992 xmlPaths.push_back( xmlPath );
999 //=======================================================================
1000 namespace // Access to type of input and output of an algorithm
1001 //=======================================================================
1006 set<SMDSAbs_GeometryType> _inElemTypes; // acceptable types of input mesh element
1007 set<SMDSAbs_GeometryType> _outElemTypes; // produced types of mesh elements
1009 bool IsCompatible( const AlgoData& algo2 ) const
1011 if ( _dim > algo2._dim ) return algo2.IsCompatible( *this );
1012 // algo2 is of highter dimension
1013 if ( _outElemTypes.empty() || algo2._inElemTypes.empty() )
1015 bool compatible = true;
1016 set<SMDSAbs_GeometryType>::const_iterator myOutType = _outElemTypes.begin();
1017 for ( ; myOutType != _outElemTypes.end() && compatible; ++myOutType )
1018 compatible = algo2._inElemTypes.count( *myOutType );
1023 //================================================================================
1025 * \brief Return AlgoData of the algorithm
1027 //================================================================================
1029 const AlgoData& getAlgoData( const SMESH_Algo* algo )
1031 static map< string, AlgoData > theDataByName;
1032 if ( theDataByName.empty() )
1034 // Read Plugin.xml files
1035 vector< string > xmlPaths = SMESH_Gen::GetPluginXMLPaths();
1036 LDOMParser xmlParser;
1037 for ( size_t iXML = 0; iXML < xmlPaths.size(); ++iXML )
1039 bool error = xmlParser.parse( xmlPaths[iXML].c_str() );
1042 TCollection_AsciiString data;
1043 INFOS( xmlParser.GetError(data) );
1046 // <algorithm type="Regular_1D"
1049 // output="QUAD,TRIA">
1051 LDOM_Document xmlDoc = xmlParser.getDocument();
1052 LDOM_NodeList algoNodeList = xmlDoc.getElementsByTagName( "algorithm" );
1053 for ( int i = 0; i < algoNodeList.getLength(); ++i )
1055 LDOM_Node algoNode = algoNodeList.item( i );
1056 LDOM_Element& algoElem = (LDOM_Element&) algoNode;
1057 TCollection_AsciiString algoType = algoElem.getAttribute("type");
1058 TCollection_AsciiString input = algoElem.getAttribute("input");
1059 TCollection_AsciiString output = algoElem.getAttribute("output");
1060 TCollection_AsciiString dim = algoElem.getAttribute("dim");
1061 if ( algoType.IsEmpty() ) continue;
1062 AlgoData & data = theDataByName[ algoType.ToCString() ];
1063 data._dim = dim.IntegerValue();
1064 for ( int isInput = 0; isInput < 2; ++isInput )
1066 TCollection_AsciiString& typeStr = isInput ? input : output;
1067 set<SMDSAbs_GeometryType>& typeSet = isInput ? data._inElemTypes : data._outElemTypes;
1069 while ( beg <= typeStr.Length() )
1071 while ( beg < typeStr.Length() && !isalpha( typeStr.Value( beg ) ))
1074 while ( end < typeStr.Length() && isalpha( typeStr.Value( end + 1 ) ))
1078 TCollection_AsciiString typeName = typeStr.SubString( beg, end );
1079 if ( typeName == "EDGE" ) typeSet.insert( SMDSGeom_EDGE );
1080 else if ( typeName == "TRIA" ) typeSet.insert( SMDSGeom_TRIANGLE );
1081 else if ( typeName == "QUAD" ) typeSet.insert( SMDSGeom_QUADRANGLE );
1089 return theDataByName[ algo->GetName() ];
1093 //=============================================================================
1095 * Finds algo to mesh a shape. Optionally returns a shape the found algo is bound to
1097 //=============================================================================
1099 SMESH_Algo *SMESH_Gen::GetAlgo(SMESH_Mesh & aMesh,
1100 const TopoDS_Shape & aShape,
1101 TopoDS_Shape* assignedTo)
1103 SMESH_HypoFilter filter( SMESH_HypoFilter::IsAlgo() );
1104 filter.And( filter.IsApplicableTo( aShape ));
1106 TopoDS_Shape assignedToShape;
1108 (SMESH_Algo*) aMesh.GetHypothesis( aShape, filter, true, &assignedToShape );
1111 aShape.ShapeType() == TopAbs_FACE &&
1112 !aShape.IsSame( assignedToShape ) &&
1113 SMESH_MesherHelper::NbAncestors( aShape, aMesh, TopAbs_SOLID ) > 1 )
1115 // Issue 0021559. If there is another 2D algo with different types of output
1116 // elements that can be used to mesh aShape, and 3D algos on adjacent SOLIDs
1117 // have different types of input elements, we choose a most appropriate 2D algo.
1119 // try to find a concurrent 2D algo
1120 filter.AndNot( filter.Is( algo ));
1121 TopoDS_Shape assignedToShape2;
1123 (SMESH_Algo*) aMesh.GetHypothesis( aShape, filter, true, &assignedToShape2 );
1124 if ( algo2 && // algo found
1125 !assignedToShape2.IsSame( aMesh.GetShapeToMesh() ) && // algo is local
1126 ( SMESH_MesherHelper::GetGroupType( assignedToShape2 ) == // algo of the same level
1127 SMESH_MesherHelper::GetGroupType( assignedToShape )) &&
1128 aMesh.IsOrderOK( aMesh.GetSubMesh( assignedToShape2 ), // no forced order
1129 aMesh.GetSubMesh( assignedToShape )))
1131 // get algos on the adjacent SOLIDs
1132 filter.Init( filter.IsAlgo() ).And( filter.HasDim( 3 ));
1133 vector< SMESH_Algo* > algos3D;
1134 PShapeIteratorPtr solidIt = SMESH_MesherHelper::GetAncestors( aShape, aMesh,
1136 while ( const TopoDS_Shape* solid = solidIt->next() )
1137 if ( SMESH_Algo* algo3D = (SMESH_Algo*) aMesh.GetHypothesis( *solid, filter, true ))
1139 algos3D.push_back( algo3D );
1140 filter.AndNot( filter.HasName( algo3D->GetName() ));
1142 // check compatibility of algos
1143 if ( algos3D.size() > 1 )
1145 const AlgoData& algoData = getAlgoData( algo );
1146 const AlgoData& algoData2 = getAlgoData( algo2 );
1147 const AlgoData& algoData3d0 = getAlgoData( algos3D[0] );
1148 const AlgoData& algoData3d1 = getAlgoData( algos3D[1] );
1149 if (( algoData2.IsCompatible( algoData3d0 ) &&
1150 algoData2.IsCompatible( algoData3d1 ))
1152 !(algoData.IsCompatible( algoData3d0 ) &&
1153 algoData.IsCompatible( algoData3d1 )))
1159 if ( assignedTo && algo )
1160 * assignedTo = assignedToShape;
1165 //=============================================================================
1167 * Returns StudyContextStruct for a study
1169 //=============================================================================
1171 StudyContextStruct *SMESH_Gen::GetStudyContext(int studyId)
1173 // Get studyContext, create it if it does'nt exist, with a SMESHDS_Document
1175 if (_mapStudyContext.find(studyId) == _mapStudyContext.end())
1177 _mapStudyContext[studyId] = new StudyContextStruct;
1178 _mapStudyContext[studyId]->myDocument = new SMESHDS_Document(studyId);
1180 StudyContextStruct *myStudyContext = _mapStudyContext[studyId];
1181 return myStudyContext;
1184 //================================================================================
1186 * \brief Return shape dimension by TopAbs_ShapeEnum
1188 //================================================================================
1190 int SMESH_Gen::GetShapeDim(const TopAbs_ShapeEnum & aShapeType)
1192 static vector<int> dim;
1195 dim.resize( TopAbs_SHAPE, -1 );
1196 dim[ TopAbs_COMPOUND ] = MeshDim_3D;
1197 dim[ TopAbs_COMPSOLID ] = MeshDim_3D;
1198 dim[ TopAbs_SOLID ] = MeshDim_3D;
1199 dim[ TopAbs_SHELL ] = MeshDim_2D;
1200 dim[ TopAbs_FACE ] = MeshDim_2D;
1201 dim[ TopAbs_WIRE ] = MeshDim_1D;
1202 dim[ TopAbs_EDGE ] = MeshDim_1D;
1203 dim[ TopAbs_VERTEX ] = MeshDim_0D;
1205 return dim[ aShapeType ];
1208 //=============================================================================
1210 * Genarate a new id unique withing this Gen
1212 //=============================================================================
1214 int SMESH_Gen::GetANewId()