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 if ( ! subAlgo->NeedDiscreteBoundary() ) continue;
326 SMESH_Hypothesis::Hypothesis_Status status;
327 if ( subAlgo->CheckHypothesis( aMesh, aSubShape, status ))
328 // mesh a lower smToCompute starting from vertices
329 Compute( aMesh, aSubShape, /*anUpward=*/true, aDim, aShapesId );
333 // ----------------------------------------------------------
334 // apply the algos that do not require Discreteized boundaries
335 // ----------------------------------------------------------
336 for ( subIt = smWithAlgoSupportingSubmeshes.begin(); subIt != subEnd; ++subIt )
339 if ( sm->GetComputeState() == SMESH_subMesh::READY_TO_COMPUTE)
341 const TopAbs_ShapeEnum aShType = sm->GetSubShape().ShapeType();
342 // check for preview dimension limitations
343 if ( aShapesId && GetShapeDim( aShType ) > (int)aDim )
346 #ifdef WITH_SMESH_CANCEL_COMPUTE
347 if (_compute_canceled)
351 sm->ComputeStateEngine( SMESH_subMesh::COMPUTE );
352 #ifdef WITH_SMESH_CANCEL_COMPUTE
356 aShapesId->insert( sm->GetId() );
359 // -----------------------------------------------
360 // mesh the rest sub-shapes starting from vertices
361 // -----------------------------------------------
362 ret = Compute( aMesh, aShape, /*anUpward=*/true, aDim, aShapesId );
365 MESSAGE( "VSR - SMESH_Gen::Compute() finished, OK = " << ret);
368 SMESHDS_Mesh *myMesh = aMesh.GetMeshDS();
369 MESSAGE("*** compactMesh after compute");
370 myMesh->compactMesh();
372 // fix quadratic mesh by bending iternal links near concave boundary
373 if ( aShape.IsSame( aMesh.GetShapeToMesh() ) &&
374 !aShapesId ) // not preview
376 SMESH_MesherHelper aHelper( aMesh );
377 if ( aHelper.IsQuadraticMesh() != SMESH_MesherHelper::LINEAR )
379 aHelper.FixQuadraticElements( sm->GetComputeError() );
386 #ifdef WITH_SMESH_CANCEL_COMPUTE
387 //=============================================================================
389 * Prepare Compute a mesh
391 //=============================================================================
392 void SMESH_Gen::PrepareCompute(SMESH_Mesh & aMesh,
393 const TopoDS_Shape & aShape)
395 _compute_canceled = false;
398 //=============================================================================
400 * Cancel Compute a mesh
402 //=============================================================================
403 void SMESH_Gen::CancelCompute(SMESH_Mesh & aMesh,
404 const TopoDS_Shape & aShape)
406 _compute_canceled = true;
409 _sm_current->ComputeStateEngine( SMESH_subMesh::COMPUTE_CANCELED );
414 //=============================================================================
418 //=============================================================================
420 bool SMESH_Gen::Evaluate(SMESH_Mesh & aMesh,
421 const TopoDS_Shape & aShape,
422 MapShapeNbElems& aResMap,
424 TSetOfInt* aShapesId)
426 MESSAGE("SMESH_Gen::Evaluate");
430 SMESH_subMesh *sm = aMesh.GetSubMesh(aShape);
432 const bool includeSelf = true;
433 const bool complexShapeFirst = true;
434 SMESH_subMeshIteratorPtr smIt;
436 if ( anUpward ) { // is called from below code here
437 // -----------------------------------------------
438 // mesh all the sub-shapes starting from vertices
439 // -----------------------------------------------
440 smIt = sm->getDependsOnIterator(includeSelf, !complexShapeFirst);
441 while ( smIt->more() ) {
442 SMESH_subMesh* smToCompute = smIt->next();
444 // do not mesh vertices of a pseudo shape
445 const TopAbs_ShapeEnum aShType = smToCompute->GetSubShape().ShapeType();
446 //if ( !aMesh.HasShapeToMesh() && aShType == TopAbs_VERTEX )
448 if ( !aMesh.HasShapeToMesh() ) {
449 if( aShType == TopAbs_VERTEX || aShType == TopAbs_WIRE ||
450 aShType == TopAbs_SHELL )
454 smToCompute->Evaluate(aResMap);
456 aShapesId->insert( smToCompute->GetId() );
461 // -----------------------------------------------------------------
462 // apply algos that DO NOT require Discreteized boundaries and DO NOT
463 // support submeshes, starting from the most complex shapes
464 // and collect submeshes with algos that DO support submeshes
465 // -----------------------------------------------------------------
466 list< SMESH_subMesh* > smWithAlgoSupportingSubmeshes;
467 smIt = sm->getDependsOnIterator(includeSelf, complexShapeFirst);
468 while ( smIt->more() ) {
469 SMESH_subMesh* smToCompute = smIt->next();
470 const TopoDS_Shape& aSubShape = smToCompute->GetSubShape();
471 const int aShapeDim = GetShapeDim( aSubShape );
472 if ( aShapeDim < 1 ) break;
474 SMESH_Algo* algo = GetAlgo( aMesh, aSubShape );
475 if ( algo && !algo->NeedDiscreteBoundary() ) {
476 if ( algo->SupportSubmeshes() ) {
477 smWithAlgoSupportingSubmeshes.push_front( smToCompute );
480 smToCompute->Evaluate(aResMap);
482 aShapesId->insert( smToCompute->GetId() );
487 // ------------------------------------------------------------
488 // sort list of meshes according to mesh order
489 // ------------------------------------------------------------
490 aMesh.SortByMeshOrder( smWithAlgoSupportingSubmeshes );
492 // ------------------------------------------------------------
493 // compute submeshes under shapes with algos that DO NOT require
494 // Discreteized boundaries and DO support submeshes
495 // ------------------------------------------------------------
496 list< SMESH_subMesh* >::iterator subIt, subEnd;
497 subIt = smWithAlgoSupportingSubmeshes.begin();
498 subEnd = smWithAlgoSupportingSubmeshes.end();
499 // start from lower shapes
500 for ( ; subIt != subEnd; ++subIt ) {
503 // get a shape the algo is assigned to
504 TopoDS_Shape algoShape;
505 if ( !GetAlgo( aMesh, sm->GetSubShape(), & algoShape ))
506 continue; // strange...
508 // look for more local algos
509 smIt = sm->getDependsOnIterator(!includeSelf, !complexShapeFirst);
510 while ( smIt->more() ) {
511 SMESH_subMesh* smToCompute = smIt->next();
513 const TopoDS_Shape& aSubShape = smToCompute->GetSubShape();
514 const int aShapeDim = GetShapeDim( aSubShape );
515 if ( aShapeDim < 1 ) continue;
517 //const TopAbs_ShapeEnum aShType = smToCompute->GetSubShape().ShapeType();
519 SMESH_HypoFilter filter( SMESH_HypoFilter::IsAlgo() );
521 .And( SMESH_HypoFilter::IsApplicableTo( aSubShape ))
522 .And( SMESH_HypoFilter::IsMoreLocalThan( algoShape, aMesh ));
524 if ( SMESH_Algo* subAlgo = (SMESH_Algo*) aMesh.GetHypothesis( aSubShape, filter, true )) {
525 SMESH_Hypothesis::Hypothesis_Status status;
526 if ( subAlgo->CheckHypothesis( aMesh, aSubShape, status ))
527 // mesh a lower smToCompute starting from vertices
528 Evaluate( aMesh, aSubShape, aResMap, /*anUpward=*/true, aShapesId );
532 // ----------------------------------------------------------
533 // apply the algos that do not require Discreteized boundaries
534 // ----------------------------------------------------------
535 for ( subIt = smWithAlgoSupportingSubmeshes.begin(); subIt != subEnd; ++subIt )
538 sm->Evaluate(aResMap);
540 aShapesId->insert( sm->GetId() );
543 // -----------------------------------------------
544 // mesh the rest sub-shapes starting from vertices
545 // -----------------------------------------------
546 ret = Evaluate( aMesh, aShape, aResMap, /*anUpward=*/true, aShapesId );
549 MESSAGE( "VSR - SMESH_Gen::Evaluate() finished, OK = " << ret);
554 //=======================================================================
555 //function : checkConformIgnoredAlgos
557 //=======================================================================
559 static bool checkConformIgnoredAlgos(SMESH_Mesh& aMesh,
560 SMESH_subMesh* aSubMesh,
561 const SMESH_Algo* aGlobIgnoAlgo,
562 const SMESH_Algo* aLocIgnoAlgo,
564 set<SMESH_subMesh*>& aCheckedMap,
565 list< SMESH_Gen::TAlgoStateError > & theErrors)
568 if ( aSubMesh->GetSubShape().ShapeType() == TopAbs_VERTEX)
574 const list<const SMESHDS_Hypothesis*>& listHyp =
575 aMesh.GetMeshDS()->GetHypothesis( aSubMesh->GetSubShape() );
576 list<const SMESHDS_Hypothesis*>::const_iterator it=listHyp.begin();
577 for ( ; it != listHyp.end(); it++)
579 const SMESHDS_Hypothesis * aHyp = *it;
580 if (aHyp->GetType() == SMESHDS_Hypothesis::PARAM_ALGO)
583 const SMESH_Algo* algo = dynamic_cast<const SMESH_Algo*> (aHyp);
586 if ( aLocIgnoAlgo ) // algo is hidden by a local algo of upper dim
588 theErrors.push_back( SMESH_Gen::TAlgoStateError() );
589 theErrors.back().Set( SMESH_Hypothesis::HYP_HIDDEN_ALGO, algo, false );
590 INFOS( "Local <" << algo->GetName() << "> is hidden by local <"
591 << aLocIgnoAlgo->GetName() << ">");
595 bool isGlobal = (aMesh.IsMainShape( aSubMesh->GetSubShape() ));
596 int dim = algo->GetDim();
597 int aMaxGlobIgnoDim = ( aGlobIgnoAlgo ? aGlobIgnoAlgo->GetDim() : -1 );
598 bool isNeededDim = ( aGlobIgnoAlgo ? aGlobIgnoAlgo->NeedLowerHyps( dim ) : false );
600 if (( dim < aMaxGlobIgnoDim && !isNeededDim ) &&
601 ( isGlobal || !aGlobIgnoAlgo->SupportSubmeshes() ))
603 // algo is hidden by a global algo
604 theErrors.push_back( SMESH_Gen::TAlgoStateError() );
605 theErrors.back().Set( SMESH_Hypothesis::HYP_HIDDEN_ALGO, algo, true );
606 INFOS( ( isGlobal ? "Global" : "Local" )
607 << " <" << algo->GetName() << "> is hidden by global <"
608 << aGlobIgnoAlgo->GetName() << ">");
610 else if ( !algo->NeedDiscreteBoundary() && !isGlobal)
612 // local algo is not hidden and hides algos on sub-shapes
613 if (checkConform && !aSubMesh->IsConform( algo ))
616 checkConform = false; // no more check conformity
617 INFOS( "ERROR: Local <" << algo->GetName() <<
618 "> would produce not conform mesh: "
619 "<Not Conform Mesh Allowed> hypotesis is missing");
620 theErrors.push_back( SMESH_Gen::TAlgoStateError() );
621 theErrors.back().Set( SMESH_Hypothesis::HYP_NOTCONFORM, algo, false );
624 // sub-algos will be hidden by a local <algo>
625 SMESH_subMeshIteratorPtr revItSub =
626 aSubMesh->getDependsOnIterator( /*includeSelf=*/false, /*complexShapeFirst=*/true);
627 bool checkConform2 = false;
628 while ( revItSub->more() )
630 SMESH_subMesh* sm = revItSub->next();
631 checkConformIgnoredAlgos (aMesh, sm, aGlobIgnoAlgo,
632 algo, checkConform2, aCheckedMap, theErrors);
633 aCheckedMap.insert( sm );
642 //=======================================================================
643 //function : checkMissing
644 //purpose : notify on missing hypothesis
645 // Return false if algo or hipothesis is missing
646 //=======================================================================
648 static bool checkMissing(SMESH_Gen* aGen,
650 SMESH_subMesh* aSubMesh,
651 const int aTopAlgoDim,
653 const bool checkNoAlgo,
654 set<SMESH_subMesh*>& aCheckedMap,
655 list< SMESH_Gen::TAlgoStateError > & theErrors)
657 switch ( aSubMesh->GetSubShape().ShapeType() )
661 case TopAbs_SOLID: break; // check this submesh, it can be meshed
663 return true; // not meshable submesh
665 if ( aCheckedMap.count( aSubMesh ))
668 //MESSAGE("=====checkMissing");
671 SMESH_Algo* algo = 0;
673 switch (aSubMesh->GetAlgoState())
675 case SMESH_subMesh::NO_ALGO: {
678 // should there be any algo?
679 int shapeDim = SMESH_Gen::GetShapeDim( aSubMesh->GetSubShape() );
680 if (aTopAlgoDim > shapeDim)
682 MESSAGE( "ERROR: " << shapeDim << "D algorithm is missing" );
684 theErrors.push_back( SMESH_Gen::TAlgoStateError() );
685 theErrors.back().Set( SMESH_Hypothesis::HYP_MISSING, shapeDim, true );
690 case SMESH_subMesh::MISSING_HYP: {
691 // notify if an algo missing hyp is attached to aSubMesh
692 algo = aSubMesh->GetAlgo();
694 bool IsGlobalHypothesis = aGen->IsGlobalHypothesis( algo, aMesh );
695 if (!IsGlobalHypothesis || !globalChecked[ algo->GetDim() ])
697 TAlgoStateErrorName errName = SMESH_Hypothesis::HYP_MISSING;
698 SMESH_Hypothesis::Hypothesis_Status status;
699 algo->CheckHypothesis( aMesh, aSubMesh->GetSubShape(), status );
700 if ( status == SMESH_Hypothesis::HYP_BAD_PARAMETER ) {
701 MESSAGE( "ERROR: hypothesis of " << (IsGlobalHypothesis ? "Global " : "Local ")
702 << "<" << algo->GetName() << "> has a bad parameter value");
704 } else if ( status == SMESH_Hypothesis::HYP_BAD_GEOMETRY ) {
705 MESSAGE( "ERROR: " << (IsGlobalHypothesis ? "Global " : "Local ")
706 << "<" << algo->GetName() << "> assigned to mismatching geometry");
709 MESSAGE( "ERROR: " << (IsGlobalHypothesis ? "Global " : "Local ")
710 << "<" << algo->GetName() << "> misses some hypothesis");
712 if (IsGlobalHypothesis)
713 globalChecked[ algo->GetDim() ] = true;
714 theErrors.push_back( SMESH_Gen::TAlgoStateError() );
715 theErrors.back().Set( errName, algo, IsGlobalHypothesis );
720 case SMESH_subMesh::HYP_OK:
721 algo = aSubMesh->GetAlgo();
723 if (!algo->NeedDiscreteBoundary())
725 SMESH_subMeshIteratorPtr itsub = aSubMesh->getDependsOnIterator( /*includeSelf=*/false,
726 /*complexShapeFirst=*/false);
727 while ( itsub->more() )
728 aCheckedMap.insert( itsub->next() );
734 // do not check under algo that hides sub-algos or
735 // re-start checking NO_ALGO state
737 bool isTopLocalAlgo =
738 ( aTopAlgoDim <= algo->GetDim() && !aGen->IsGlobalHypothesis( algo, aMesh ));
739 if (!algo->NeedDiscreteBoundary() || isTopLocalAlgo)
741 bool checkNoAlgo2 = ( algo->NeedDiscreteBoundary() );
742 SMESH_subMeshIteratorPtr itsub = aSubMesh->getDependsOnIterator( /*includeSelf=*/false,
743 /*complexShapeFirst=*/true);
744 while ( itsub->more() )
746 // sub-meshes should not be checked further more
747 SMESH_subMesh* sm = itsub->next();
751 //check algo on sub-meshes
752 int aTopAlgoDim2 = algo->GetDim();
753 if (!checkMissing (aGen, aMesh, sm, aTopAlgoDim2,
754 globalChecked, checkNoAlgo2, aCheckedMap, theErrors))
757 if (sm->GetAlgoState() == SMESH_subMesh::NO_ALGO )
758 checkNoAlgo2 = false;
761 aCheckedMap.insert( sm );
767 //=======================================================================
768 //function : CheckAlgoState
769 //purpose : notify on bad state of attached algos, return false
770 // if Compute() would fail because of some algo bad state
771 //=======================================================================
773 bool SMESH_Gen::CheckAlgoState(SMESH_Mesh& aMesh, const TopoDS_Shape& aShape)
775 list< TAlgoStateError > errors;
776 return GetAlgoState( aMesh, aShape, errors );
779 //=======================================================================
780 //function : GetAlgoState
781 //purpose : notify on bad state of attached algos, return false
782 // if Compute() would fail because of some algo bad state
783 // theErrors list contains problems description
784 //=======================================================================
786 bool SMESH_Gen::GetAlgoState(SMESH_Mesh& theMesh,
787 const TopoDS_Shape& theShape,
788 list< TAlgoStateError > & theErrors)
790 //MESSAGE("SMESH_Gen::CheckAlgoState");
793 bool hasAlgo = false;
795 SMESH_subMesh* sm = theMesh.GetSubMesh(theShape);
796 const SMESHDS_Mesh* meshDS = theMesh.GetMeshDS();
797 TopoDS_Shape mainShape = meshDS->ShapeToMesh();
803 const SMESH_Algo* aGlobAlgoArr[] = {0,0,0,0};
805 const list<const SMESHDS_Hypothesis*>& listHyp = meshDS->GetHypothesis( mainShape );
806 list<const SMESHDS_Hypothesis*>::const_iterator it=listHyp.begin();
807 for ( ; it != listHyp.end(); it++)
809 const SMESHDS_Hypothesis * aHyp = *it;
810 if (aHyp->GetType() == SMESHDS_Hypothesis::PARAM_ALGO)
813 const SMESH_Algo* algo = dynamic_cast<const SMESH_Algo*> (aHyp);
816 int dim = algo->GetDim();
817 aGlobAlgoArr[ dim ] = algo;
822 // --------------------------------------------------------
823 // info on algos that will be ignored because of ones that
824 // don't NeedDiscreteBoundary() attached to super-shapes,
825 // check that a conform mesh will be produced
826 // --------------------------------------------------------
829 // find a global algo possibly hiding sub-algos
831 const SMESH_Algo* aGlobIgnoAlgo = 0;
832 for (dim = 3; dim > 0; dim--)
834 if (aGlobAlgoArr[ dim ] &&
835 !aGlobAlgoArr[ dim ]->NeedDiscreteBoundary() /*&&
836 !aGlobAlgoArr[ dim ]->SupportSubmeshes()*/ )
838 aGlobIgnoAlgo = aGlobAlgoArr[ dim ];
843 set<SMESH_subMesh*> aCheckedSubs;
844 bool checkConform = ( !theMesh.IsNotConformAllowed() );
846 // loop on theShape and its sub-shapes
847 SMESH_subMeshIteratorPtr revItSub = sm->getDependsOnIterator( /*includeSelf=*/true,
848 /*complexShapeFirst=*/true);
849 while ( revItSub->more() )
851 SMESH_subMesh* smToCheck = revItSub->next();
852 if ( smToCheck->GetSubShape().ShapeType() == TopAbs_VERTEX)
855 if ( aCheckedSubs.insert( smToCheck ).second ) // not yet checked
856 if (!checkConformIgnoredAlgos (theMesh, smToCheck, aGlobIgnoAlgo,
857 0, checkConform, aCheckedSubs, theErrors))
860 if ( smToCheck->GetAlgoState() != SMESH_subMesh::NO_ALGO )
864 // ----------------------------------------------------------------
865 // info on missing hypothesis and find out if all needed algos are
867 // ----------------------------------------------------------------
869 //MESSAGE( "---info on missing hypothesis and find out if all needed algos are");
871 // find max dim of global algo
873 for (dim = 3; dim > 0; dim--)
875 if (aGlobAlgoArr[ dim ])
881 bool checkNoAlgo = theMesh.HasShapeToMesh() ? bool( aTopAlgoDim ) : false;
882 bool globalChecked[] = { false, false, false, false };
884 // loop on theShape and its sub-shapes
885 aCheckedSubs.clear();
886 revItSub = sm->getDependsOnIterator( /*includeSelf=*/true, /*complexShapeFirst=*/true);
887 while ( revItSub->more() )
889 SMESH_subMesh* smToCheck = revItSub->next();
890 if ( smToCheck->GetSubShape().ShapeType() == TopAbs_VERTEX)
893 if (!checkMissing (this, theMesh, smToCheck, aTopAlgoDim,
894 globalChecked, checkNoAlgo, aCheckedSubs, theErrors))
897 if (smToCheck->GetAlgoState() == SMESH_subMesh::NO_ALGO )
904 INFOS( "None algorithm attached" );
905 theErrors.push_back( TAlgoStateError() );
906 theErrors.back().Set( SMESH_Hypothesis::HYP_MISSING, 1, true );
912 //=======================================================================
913 //function : IsGlobalHypothesis
914 //purpose : check if theAlgo is attached to the main shape
915 //=======================================================================
917 bool SMESH_Gen::IsGlobalHypothesis(const SMESH_Hypothesis* theHyp, SMESH_Mesh& aMesh)
919 SMESH_HypoFilter filter( SMESH_HypoFilter::Is( theHyp ));
920 return aMesh.GetHypothesis( aMesh.GetMeshDS()->ShapeToMesh(), filter, false );
923 //================================================================================
925 * \brief Return paths to xml files of plugins
927 //================================================================================
929 std::vector< std::string > SMESH_Gen::GetPluginXMLPaths()
931 // Get paths to xml files of plugins
932 vector< string > xmlPaths;
934 if ( const char* meshersList = getenv("SMESH_MeshersList") )
936 string meshers = meshersList, plugin;
937 string::size_type from = 0, pos;
938 while ( from < meshers.size() )
940 // cut off plugin name
941 pos = meshers.find( ':', from );
942 if ( pos != string::npos )
943 plugin = meshers.substr( from, pos-from );
945 plugin = meshers.substr( from ), pos = meshers.size();
948 // get PLUGIN_ROOT_DIR path
949 string rootDirVar, pluginSubDir = plugin;
950 if ( plugin == "StdMeshers" )
951 rootDirVar = "SMESH", pluginSubDir = "smesh";
953 for ( pos = 0; pos < plugin.size(); ++pos )
954 rootDirVar += toupper( plugin[pos] );
955 rootDirVar += "_ROOT_DIR";
957 const char* rootDir = getenv( rootDirVar.c_str() );
958 if ( !rootDir || strlen(rootDir) == 0 )
960 rootDirVar = plugin + "_ROOT_DIR"; // HexoticPLUGIN_ROOT_DIR
961 rootDir = getenv( rootDirVar.c_str() );
962 if ( !rootDir || strlen(rootDir) == 0 ) continue;
965 // get a separator from rootDir
966 for ( pos = strlen( rootDir )-1; pos >= 0 && sep.empty(); --pos )
967 if ( rootDir[pos] == '/' || rootDir[pos] == '\\' )
973 if (sep.empty() ) sep = "\\";
975 if (sep.empty() ) sep = "/";
978 // get a path to resource file
979 string xmlPath = rootDir;
980 if ( xmlPath[ xmlPath.size()-1 ] != sep[0] )
982 xmlPath += "share" + sep + "salome" + sep + "resources" + sep;
983 for ( pos = 0; pos < pluginSubDir.size(); ++pos )
984 xmlPath += tolower( pluginSubDir[pos] );
985 xmlPath += sep + plugin + ".xml";
988 fileOK = (GetFileAttributes(xmlPath.c_str()) != INVALID_FILE_ATTRIBUTES);
990 fileOK = (access(xmlPath.c_str(), F_OK) == 0);
993 xmlPaths.push_back( xmlPath );
1000 //=======================================================================
1001 namespace // Access to type of input and output of an algorithm
1002 //=======================================================================
1007 set<SMDSAbs_GeometryType> _inElemTypes; // acceptable types of input mesh element
1008 set<SMDSAbs_GeometryType> _outElemTypes; // produced types of mesh elements
1010 bool IsCompatible( const AlgoData& algo2 ) const
1012 if ( _dim > algo2._dim ) return algo2.IsCompatible( *this );
1013 // algo2 is of highter dimension
1014 if ( _outElemTypes.empty() || algo2._inElemTypes.empty() )
1016 bool compatible = true;
1017 set<SMDSAbs_GeometryType>::const_iterator myOutType = _outElemTypes.begin();
1018 for ( ; myOutType != _outElemTypes.end() && compatible; ++myOutType )
1019 compatible = algo2._inElemTypes.count( *myOutType );
1024 //================================================================================
1026 * \brief Return AlgoData of the algorithm
1028 //================================================================================
1030 const AlgoData& getAlgoData( const SMESH_Algo* algo )
1032 static map< string, AlgoData > theDataByName;
1033 if ( theDataByName.empty() )
1035 // Read Plugin.xml files
1036 vector< string > xmlPaths = SMESH_Gen::GetPluginXMLPaths();
1037 LDOMParser xmlParser;
1038 for ( size_t iXML = 0; iXML < xmlPaths.size(); ++iXML )
1040 bool error = xmlParser.parse( xmlPaths[iXML].c_str() );
1043 TCollection_AsciiString data;
1044 INFOS( xmlParser.GetError(data) );
1047 // <algorithm type="Regular_1D"
1050 // output="QUAD,TRIA">
1052 LDOM_Document xmlDoc = xmlParser.getDocument();
1053 LDOM_NodeList algoNodeList = xmlDoc.getElementsByTagName( "algorithm" );
1054 for ( int i = 0; i < algoNodeList.getLength(); ++i )
1056 LDOM_Node algoNode = algoNodeList.item( i );
1057 LDOM_Element& algoElem = (LDOM_Element&) algoNode;
1058 TCollection_AsciiString algoType = algoElem.getAttribute("type");
1059 TCollection_AsciiString input = algoElem.getAttribute("input");
1060 TCollection_AsciiString output = algoElem.getAttribute("output");
1061 TCollection_AsciiString dim = algoElem.getAttribute("dim");
1062 if ( algoType.IsEmpty() ) continue;
1063 AlgoData & data = theDataByName[ algoType.ToCString() ];
1064 data._dim = dim.IntegerValue();
1065 for ( int isInput = 0; isInput < 2; ++isInput )
1067 TCollection_AsciiString& typeStr = isInput ? input : output;
1068 set<SMDSAbs_GeometryType>& typeSet = isInput ? data._inElemTypes : data._outElemTypes;
1070 while ( beg <= typeStr.Length() )
1072 while ( beg < typeStr.Length() && !isalpha( typeStr.Value( beg ) ))
1075 while ( end < typeStr.Length() && isalpha( typeStr.Value( end + 1 ) ))
1079 TCollection_AsciiString typeName = typeStr.SubString( beg, end );
1080 if ( typeName == "EDGE" ) typeSet.insert( SMDSGeom_EDGE );
1081 else if ( typeName == "TRIA" ) typeSet.insert( SMDSGeom_TRIANGLE );
1082 else if ( typeName == "QUAD" ) typeSet.insert( SMDSGeom_QUADRANGLE );
1090 return theDataByName[ algo->GetName() ];
1094 //=============================================================================
1096 * Finds algo to mesh a shape. Optionally returns a shape the found algo is bound to
1098 //=============================================================================
1100 SMESH_Algo *SMESH_Gen::GetAlgo(SMESH_Mesh & aMesh,
1101 const TopoDS_Shape & aShape,
1102 TopoDS_Shape* assignedTo)
1104 SMESH_HypoFilter filter( SMESH_HypoFilter::IsAlgo() );
1105 filter.And( filter.IsApplicableTo( aShape ));
1107 TopoDS_Shape assignedToShape;
1109 (SMESH_Algo*) aMesh.GetHypothesis( aShape, filter, true, &assignedToShape );
1112 aShape.ShapeType() == TopAbs_FACE &&
1113 !aShape.IsSame( assignedToShape ) &&
1114 SMESH_MesherHelper::NbAncestors( aShape, aMesh, TopAbs_SOLID ) > 1 )
1116 // Issue 0021559. If there is another 2D algo with different types of output
1117 // elements that can be used to mesh aShape, and 3D algos on adjacent SOLIDs
1118 // have different types of input elements, we choose a most appropriate 2D algo.
1120 // try to find a concurrent 2D algo
1121 filter.AndNot( filter.Is( algo ));
1122 TopoDS_Shape assignedToShape2;
1124 (SMESH_Algo*) aMesh.GetHypothesis( aShape, filter, true, &assignedToShape2 );
1125 if ( algo2 && // algo found
1126 !assignedToShape2.IsSame( aMesh.GetShapeToMesh() ) && // algo is local
1127 ( SMESH_MesherHelper::GetGroupType( assignedToShape2 ) == // algo of the same level
1128 SMESH_MesherHelper::GetGroupType( assignedToShape )) &&
1129 aMesh.IsOrderOK( aMesh.GetSubMesh( assignedToShape2 ), // no forced order
1130 aMesh.GetSubMesh( assignedToShape )))
1132 // get algos on the adjacent SOLIDs
1133 filter.Init( filter.IsAlgo() ).And( filter.HasDim( 3 ));
1134 vector< SMESH_Algo* > algos3D;
1135 PShapeIteratorPtr solidIt = SMESH_MesherHelper::GetAncestors( aShape, aMesh,
1137 while ( const TopoDS_Shape* solid = solidIt->next() )
1138 if ( SMESH_Algo* algo3D = (SMESH_Algo*) aMesh.GetHypothesis( *solid, filter, true ))
1140 algos3D.push_back( algo3D );
1141 filter.AndNot( filter.HasName( algo3D->GetName() ));
1143 // check compatibility of algos
1144 if ( algos3D.size() > 1 )
1146 const AlgoData& algoData = getAlgoData( algo );
1147 const AlgoData& algoData2 = getAlgoData( algo2 );
1148 const AlgoData& algoData3d0 = getAlgoData( algos3D[0] );
1149 const AlgoData& algoData3d1 = getAlgoData( algos3D[1] );
1150 if (( algoData2.IsCompatible( algoData3d0 ) &&
1151 algoData2.IsCompatible( algoData3d1 ))
1153 !(algoData.IsCompatible( algoData3d0 ) &&
1154 algoData.IsCompatible( algoData3d1 )))
1160 if ( assignedTo && algo )
1161 * assignedTo = assignedToShape;
1166 //=============================================================================
1168 * Returns StudyContextStruct for a study
1170 //=============================================================================
1172 StudyContextStruct *SMESH_Gen::GetStudyContext(int studyId)
1174 // Get studyContext, create it if it does'nt exist, with a SMESHDS_Document
1176 if (_mapStudyContext.find(studyId) == _mapStudyContext.end())
1178 _mapStudyContext[studyId] = new StudyContextStruct;
1179 _mapStudyContext[studyId]->myDocument = new SMESHDS_Document(studyId);
1181 StudyContextStruct *myStudyContext = _mapStudyContext[studyId];
1182 return myStudyContext;
1185 //================================================================================
1187 * \brief Return shape dimension by TopAbs_ShapeEnum
1189 //================================================================================
1191 int SMESH_Gen::GetShapeDim(const TopAbs_ShapeEnum & aShapeType)
1193 static vector<int> dim;
1196 dim.resize( TopAbs_SHAPE, -1 );
1197 dim[ TopAbs_COMPOUND ] = MeshDim_3D;
1198 dim[ TopAbs_COMPSOLID ] = MeshDim_3D;
1199 dim[ TopAbs_SOLID ] = MeshDim_3D;
1200 dim[ TopAbs_SHELL ] = MeshDim_2D;
1201 dim[ TopAbs_FACE ] = MeshDim_2D;
1202 dim[ TopAbs_WIRE ] = MeshDim_1D;
1203 dim[ TopAbs_EDGE ] = MeshDim_1D;
1204 dim[ TopAbs_VERTEX ] = MeshDim_0D;
1206 return dim[ aShapeType ];
1209 //=============================================================================
1211 * Genarate a new id unique withing this Gen
1213 //=============================================================================
1215 int SMESH_Gen::GetANewId()