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>
55 //#include <vtkDebugLeaks.h>
58 //=============================================================================
62 //=============================================================================
64 SMESH_Gen::SMESH_Gen()
66 MESSAGE("SMESH_Gen::SMESH_Gen");
69 _segmentation = _nbSegments = 10;
70 SMDS_Mesh::_meshList.clear();
71 MESSAGE(SMDS_Mesh::_meshList.size());
72 //_counters = new counters(100);
73 #ifdef WITH_SMESH_CANCEL_COMPUTE
74 _compute_canceled = false;
77 //vtkDebugLeaks::SetExitError(0);
80 //=============================================================================
84 //=============================================================================
86 SMESH_Gen::~SMESH_Gen()
88 MESSAGE("SMESH_Gen::~SMESH_Gen");
89 std::map < int, StudyContextStruct * >::iterator i_sc = _mapStudyContext.begin();
90 for ( ; i_sc != _mapStudyContext.end(); ++i_sc )
92 delete i_sc->second->myDocument;
97 //=============================================================================
99 * Creates a mesh in a study.
100 * if (theIsEmbeddedMode) { mesh modification commands are not logged }
102 //=============================================================================
104 SMESH_Mesh* SMESH_Gen::CreateMesh(int theStudyId, bool theIsEmbeddedMode)
105 throw(SALOME_Exception)
107 Unexpect aCatch(SalomeException);
108 MESSAGE("SMESH_Gen::CreateMesh");
110 // Get studyContext, create it if it does'nt exist, with a SMESHDS_Document
111 StudyContextStruct *aStudyContext = GetStudyContext(theStudyId);
113 // create a new SMESH_mesh object
114 SMESH_Mesh *aMesh = new SMESH_Mesh(_localId++,
118 aStudyContext->myDocument);
119 aStudyContext->mapMesh[_localId-1] = aMesh;
124 //=============================================================================
128 //=============================================================================
130 bool SMESH_Gen::Compute(SMESH_Mesh & aMesh,
131 const TopoDS_Shape & aShape,
133 const ::MeshDimension aDim,
134 TSetOfInt* aShapesId)
136 MESSAGE("SMESH_Gen::Compute");
141 SMESH_subMesh *sm = aMesh.GetSubMesh(aShape);
143 const bool includeSelf = true;
144 const bool complexShapeFirst = true;
145 const int globalAlgoDim = 100;
147 SMESH_subMeshIteratorPtr smIt;
149 if ( anUpward ) // is called from below code here
151 // -----------------------------------------------
152 // mesh all the sub-shapes starting from vertices
153 // -----------------------------------------------
154 smIt = sm->getDependsOnIterator(includeSelf, !complexShapeFirst);
155 while ( smIt->more() )
157 SMESH_subMesh* smToCompute = smIt->next();
159 // do not mesh vertices of a pseudo shape
160 const TopAbs_ShapeEnum aShType = smToCompute->GetSubShape().ShapeType();
161 if ( !aMesh.HasShapeToMesh() && aShType == TopAbs_VERTEX )
164 // check for preview dimension limitations
165 if ( aShapesId && GetShapeDim( aShType ) > (int)aDim )
167 // clear compute state not to show previous compute errors
168 // if preview invoked less dimension less than previous
169 smToCompute->ComputeStateEngine( SMESH_subMesh::CHECK_COMPUTE_STATE );
173 if (smToCompute->GetComputeState() == SMESH_subMesh::READY_TO_COMPUTE)
175 #ifdef WITH_SMESH_CANCEL_COMPUTE
176 if (_compute_canceled)
178 _sm_current = smToCompute;
180 smToCompute->ComputeStateEngine( SMESH_subMesh::COMPUTE );
181 #ifdef WITH_SMESH_CANCEL_COMPUTE
186 // we check all the submeshes here and detect if any of them failed to compute
187 if (smToCompute->GetComputeState() == SMESH_subMesh::FAILED_TO_COMPUTE)
189 else if ( aShapesId )
190 aShapesId->insert( smToCompute->GetId() );
192 //aMesh.GetMeshDS()->Modified();
197 // -----------------------------------------------------------------
198 // apply algos that DO NOT require Discreteized boundaries and DO NOT
199 // support submeshes, starting from the most complex shapes
200 // and collect submeshes with algos that DO support submeshes
201 // -----------------------------------------------------------------
202 list< SMESH_subMesh* > smWithAlgoSupportingSubmeshes;
204 // map to sort sm with same dim algos according to dim of
205 // the shape the algo assigned to (issue 0021217)
206 multimap< int, SMESH_subMesh* > shDim2sm;
207 multimap< int, SMESH_subMesh* >::reverse_iterator shDim2smIt;
208 TopoDS_Shape algoShape;
209 int prevShapeDim = -1;
211 smIt = sm->getDependsOnIterator(includeSelf, complexShapeFirst);
212 while ( smIt->more() )
214 SMESH_subMesh* smToCompute = smIt->next();
215 if ( smToCompute->GetComputeState() != SMESH_subMesh::READY_TO_COMPUTE )
218 const TopoDS_Shape& aSubShape = smToCompute->GetSubShape();
219 int aShapeDim = GetShapeDim( aSubShape );
220 if ( aShapeDim < 1 ) break;
222 // check for preview dimension limitations
223 if ( aShapesId && aShapeDim > (int)aDim )
226 SMESH_Algo* algo = GetAlgo( aMesh, aSubShape, &algoShape );
227 if ( algo && !algo->NeedDiscreteBoundary() )
229 if ( algo->SupportSubmeshes() )
231 // reload sub-meshes from shDim2sm into smWithAlgoSupportingSubmeshes
232 // so that more local algos to go first
233 if ( prevShapeDim != aShapeDim )
235 prevShapeDim = aShapeDim;
236 for ( shDim2smIt = shDim2sm.rbegin(); shDim2smIt != shDim2sm.rend(); ++shDim2smIt )
237 if ( shDim2smIt->first == globalAlgoDim )
238 smWithAlgoSupportingSubmeshes.push_back( shDim2smIt->second );
240 smWithAlgoSupportingSubmeshes.push_front( shDim2smIt->second );
243 // add smToCompute to shDim2sm map
244 if ( algoShape.IsSame( aMesh.GetShapeToMesh() ))
246 aShapeDim = globalAlgoDim; // to compute last
250 aShapeDim = GetShapeDim( algoShape );
251 if ( algoShape.ShapeType() == TopAbs_COMPOUND )
253 TopoDS_Iterator it( algoShape );
254 aShapeDim += GetShapeDim( it.Value() );
257 shDim2sm.insert( make_pair( aShapeDim, smToCompute ));
261 #ifdef WITH_SMESH_CANCEL_COMPUTE
262 if (_compute_canceled)
264 _sm_current = smToCompute;
266 smToCompute->ComputeStateEngine( SMESH_subMesh::COMPUTE );
267 #ifdef WITH_SMESH_CANCEL_COMPUTE
271 aShapesId->insert( smToCompute->GetId() );
275 // reload sub-meshes from shDim2sm into smWithAlgoSupportingSubmeshes
276 for ( shDim2smIt = shDim2sm.rbegin(); shDim2smIt != shDim2sm.rend(); ++shDim2smIt )
277 if ( shDim2smIt->first == globalAlgoDim )
278 smWithAlgoSupportingSubmeshes.push_back( shDim2smIt->second );
280 smWithAlgoSupportingSubmeshes.push_front( shDim2smIt->second );
282 // ------------------------------------------------------------
283 // sort list of submeshes according to mesh order
284 // ------------------------------------------------------------
285 aMesh.SortByMeshOrder( smWithAlgoSupportingSubmeshes );
287 // ------------------------------------------------------------
288 // compute submeshes under shapes with algos that DO NOT require
289 // Discreteized boundaries and DO support submeshes
290 // ------------------------------------------------------------
291 list< SMESH_subMesh* >::iterator subIt, subEnd;
292 subIt = smWithAlgoSupportingSubmeshes.begin();
293 subEnd = smWithAlgoSupportingSubmeshes.end();
294 // start from lower shapes
295 for ( ; subIt != subEnd; ++subIt )
299 // get a shape the algo is assigned to
300 if ( !GetAlgo( aMesh, sm->GetSubShape(), & algoShape ))
301 continue; // strange...
303 // look for more local algos
304 smIt = sm->getDependsOnIterator(!includeSelf, !complexShapeFirst);
305 while ( smIt->more() )
307 SMESH_subMesh* smToCompute = smIt->next();
309 const TopoDS_Shape& aSubShape = smToCompute->GetSubShape();
310 const int aShapeDim = GetShapeDim( aSubShape );
311 //if ( aSubShape.ShapeType() == TopAbs_VERTEX ) continue;
312 if ( aShapeDim < 1 ) continue;
314 // check for preview dimension limitations
315 if ( aShapesId && GetShapeDim( aSubShape.ShapeType() ) > (int)aDim )
318 SMESH_HypoFilter filter( SMESH_HypoFilter::IsAlgo() );
320 .And( SMESH_HypoFilter::IsApplicableTo( aSubShape ))
321 .And( SMESH_HypoFilter::IsMoreLocalThan( algoShape, aMesh ));
323 if ( SMESH_Algo* subAlgo = (SMESH_Algo*) aMesh.GetHypothesis( aSubShape, filter, true )) {
324 if ( ! subAlgo->NeedDiscreteBoundary() ) continue;
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
374 ret ) // everything is OK
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 if ( ! subAlgo->NeedDiscreteBoundary() ) continue;
526 SMESH_Hypothesis::Hypothesis_Status status;
527 if ( subAlgo->CheckHypothesis( aMesh, aSubShape, status ))
528 // mesh a lower smToCompute starting from vertices
529 Evaluate( aMesh, aSubShape, aResMap, /*anUpward=*/true, aShapesId );
533 // ----------------------------------------------------------
534 // apply the algos that do not require Discreteized boundaries
535 // ----------------------------------------------------------
536 for ( subIt = smWithAlgoSupportingSubmeshes.begin(); subIt != subEnd; ++subIt )
539 sm->Evaluate(aResMap);
541 aShapesId->insert( sm->GetId() );
544 // -----------------------------------------------
545 // mesh the rest sub-shapes starting from vertices
546 // -----------------------------------------------
547 ret = Evaluate( aMesh, aShape, aResMap, /*anUpward=*/true, aShapesId );
550 MESSAGE( "VSR - SMESH_Gen::Evaluate() finished, OK = " << ret);
555 //=======================================================================
556 //function : checkConformIgnoredAlgos
558 //=======================================================================
560 static bool checkConformIgnoredAlgos(SMESH_Mesh& aMesh,
561 SMESH_subMesh* aSubMesh,
562 const SMESH_Algo* aGlobIgnoAlgo,
563 const SMESH_Algo* aLocIgnoAlgo,
565 set<SMESH_subMesh*>& aCheckedMap,
566 list< SMESH_Gen::TAlgoStateError > & theErrors)
569 if ( aSubMesh->GetSubShape().ShapeType() == TopAbs_VERTEX)
575 const list<const SMESHDS_Hypothesis*>& listHyp =
576 aMesh.GetMeshDS()->GetHypothesis( aSubMesh->GetSubShape() );
577 list<const SMESHDS_Hypothesis*>::const_iterator it=listHyp.begin();
578 for ( ; it != listHyp.end(); it++)
580 const SMESHDS_Hypothesis * aHyp = *it;
581 if (aHyp->GetType() == SMESHDS_Hypothesis::PARAM_ALGO)
584 const SMESH_Algo* algo = dynamic_cast<const SMESH_Algo*> (aHyp);
587 if ( aLocIgnoAlgo ) // algo is hidden by a local algo of upper dim
589 theErrors.push_back( SMESH_Gen::TAlgoStateError() );
590 theErrors.back().Set( SMESH_Hypothesis::HYP_HIDDEN_ALGO, algo, false );
591 INFOS( "Local <" << algo->GetName() << "> is hidden by local <"
592 << aLocIgnoAlgo->GetName() << ">");
596 bool isGlobal = (aMesh.IsMainShape( aSubMesh->GetSubShape() ));
597 int dim = algo->GetDim();
598 int aMaxGlobIgnoDim = ( aGlobIgnoAlgo ? aGlobIgnoAlgo->GetDim() : -1 );
599 bool isNeededDim = ( aGlobIgnoAlgo ? aGlobIgnoAlgo->NeedLowerHyps( dim ) : false );
601 if (( dim < aMaxGlobIgnoDim && !isNeededDim ) &&
602 ( isGlobal || !aGlobIgnoAlgo->SupportSubmeshes() ))
604 // algo is hidden by a global algo
605 theErrors.push_back( SMESH_Gen::TAlgoStateError() );
606 theErrors.back().Set( SMESH_Hypothesis::HYP_HIDDEN_ALGO, algo, true );
607 INFOS( ( isGlobal ? "Global" : "Local" )
608 << " <" << algo->GetName() << "> is hidden by global <"
609 << aGlobIgnoAlgo->GetName() << ">");
611 else if ( !algo->NeedDiscreteBoundary() && !isGlobal)
613 // local algo is not hidden and hides algos on sub-shapes
614 if (checkConform && !aSubMesh->IsConform( algo ))
617 checkConform = false; // no more check conformity
618 INFOS( "ERROR: Local <" << algo->GetName() <<
619 "> would produce not conform mesh: "
620 "<Not Conform Mesh Allowed> hypotesis is missing");
621 theErrors.push_back( SMESH_Gen::TAlgoStateError() );
622 theErrors.back().Set( SMESH_Hypothesis::HYP_NOTCONFORM, algo, false );
625 // sub-algos will be hidden by a local <algo>
626 SMESH_subMeshIteratorPtr revItSub =
627 aSubMesh->getDependsOnIterator( /*includeSelf=*/false, /*complexShapeFirst=*/true);
628 bool checkConform2 = false;
629 while ( revItSub->more() )
631 SMESH_subMesh* sm = revItSub->next();
632 checkConformIgnoredAlgos (aMesh, sm, aGlobIgnoAlgo,
633 algo, checkConform2, aCheckedMap, theErrors);
634 aCheckedMap.insert( sm );
643 //=======================================================================
644 //function : checkMissing
645 //purpose : notify on missing hypothesis
646 // Return false if algo or hipothesis is missing
647 //=======================================================================
649 static bool checkMissing(SMESH_Gen* aGen,
651 SMESH_subMesh* aSubMesh,
652 const int aTopAlgoDim,
654 const bool checkNoAlgo,
655 set<SMESH_subMesh*>& aCheckedMap,
656 list< SMESH_Gen::TAlgoStateError > & theErrors)
658 switch ( aSubMesh->GetSubShape().ShapeType() )
662 case TopAbs_SOLID: break; // check this submesh, it can be meshed
664 return true; // not meshable submesh
666 if ( aCheckedMap.count( aSubMesh ))
669 //MESSAGE("=====checkMissing");
672 SMESH_Algo* algo = 0;
674 switch (aSubMesh->GetAlgoState())
676 case SMESH_subMesh::NO_ALGO: {
679 // should there be any algo?
680 int shapeDim = SMESH_Gen::GetShapeDim( aSubMesh->GetSubShape() );
681 if (aTopAlgoDim > shapeDim)
683 MESSAGE( "ERROR: " << shapeDim << "D algorithm is missing" );
685 theErrors.push_back( SMESH_Gen::TAlgoStateError() );
686 theErrors.back().Set( SMESH_Hypothesis::HYP_MISSING, shapeDim, true );
691 case SMESH_subMesh::MISSING_HYP: {
692 // notify if an algo missing hyp is attached to aSubMesh
693 algo = aSubMesh->GetAlgo();
695 bool IsGlobalHypothesis = aGen->IsGlobalHypothesis( algo, aMesh );
696 if (!IsGlobalHypothesis || !globalChecked[ algo->GetDim() ])
698 TAlgoStateErrorName errName = SMESH_Hypothesis::HYP_MISSING;
699 SMESH_Hypothesis::Hypothesis_Status status;
700 algo->CheckHypothesis( aMesh, aSubMesh->GetSubShape(), status );
701 if ( status == SMESH_Hypothesis::HYP_BAD_PARAMETER ) {
702 MESSAGE( "ERROR: hypothesis of " << (IsGlobalHypothesis ? "Global " : "Local ")
703 << "<" << algo->GetName() << "> has a bad parameter value");
705 } else if ( status == SMESH_Hypothesis::HYP_BAD_GEOMETRY ) {
706 MESSAGE( "ERROR: " << (IsGlobalHypothesis ? "Global " : "Local ")
707 << "<" << algo->GetName() << "> assigned to mismatching geometry");
710 MESSAGE( "ERROR: " << (IsGlobalHypothesis ? "Global " : "Local ")
711 << "<" << algo->GetName() << "> misses some hypothesis");
713 if (IsGlobalHypothesis)
714 globalChecked[ algo->GetDim() ] = true;
715 theErrors.push_back( SMESH_Gen::TAlgoStateError() );
716 theErrors.back().Set( errName, algo, IsGlobalHypothesis );
721 case SMESH_subMesh::HYP_OK:
722 algo = aSubMesh->GetAlgo();
724 if (!algo->NeedDiscreteBoundary())
726 SMESH_subMeshIteratorPtr itsub = aSubMesh->getDependsOnIterator( /*includeSelf=*/false,
727 /*complexShapeFirst=*/false);
728 while ( itsub->more() )
729 aCheckedMap.insert( itsub->next() );
735 // do not check under algo that hides sub-algos or
736 // re-start checking NO_ALGO state
738 bool isTopLocalAlgo =
739 ( aTopAlgoDim <= algo->GetDim() && !aGen->IsGlobalHypothesis( algo, aMesh ));
740 if (!algo->NeedDiscreteBoundary() || isTopLocalAlgo)
742 bool checkNoAlgo2 = ( algo->NeedDiscreteBoundary() );
743 SMESH_subMeshIteratorPtr itsub = aSubMesh->getDependsOnIterator( /*includeSelf=*/false,
744 /*complexShapeFirst=*/true);
745 while ( itsub->more() )
747 // sub-meshes should not be checked further more
748 SMESH_subMesh* sm = itsub->next();
752 //check algo on sub-meshes
753 int aTopAlgoDim2 = algo->GetDim();
754 if (!checkMissing (aGen, aMesh, sm, aTopAlgoDim2,
755 globalChecked, checkNoAlgo2, aCheckedMap, theErrors))
758 if (sm->GetAlgoState() == SMESH_subMesh::NO_ALGO )
759 checkNoAlgo2 = false;
762 aCheckedMap.insert( sm );
768 //=======================================================================
769 //function : CheckAlgoState
770 //purpose : notify on bad state of attached algos, return false
771 // if Compute() would fail because of some algo bad state
772 //=======================================================================
774 bool SMESH_Gen::CheckAlgoState(SMESH_Mesh& aMesh, const TopoDS_Shape& aShape)
776 list< TAlgoStateError > errors;
777 return GetAlgoState( aMesh, aShape, errors );
780 //=======================================================================
781 //function : GetAlgoState
782 //purpose : notify on bad state of attached algos, return false
783 // if Compute() would fail because of some algo bad state
784 // theErrors list contains problems description
785 //=======================================================================
787 bool SMESH_Gen::GetAlgoState(SMESH_Mesh& theMesh,
788 const TopoDS_Shape& theShape,
789 list< TAlgoStateError > & theErrors)
791 //MESSAGE("SMESH_Gen::CheckAlgoState");
794 bool hasAlgo = false;
796 SMESH_subMesh* sm = theMesh.GetSubMesh(theShape);
797 const SMESHDS_Mesh* meshDS = theMesh.GetMeshDS();
798 TopoDS_Shape mainShape = meshDS->ShapeToMesh();
804 const SMESH_Algo* aGlobAlgoArr[] = {0,0,0,0};
806 const list<const SMESHDS_Hypothesis*>& listHyp = meshDS->GetHypothesis( mainShape );
807 list<const SMESHDS_Hypothesis*>::const_iterator it=listHyp.begin();
808 for ( ; it != listHyp.end(); it++)
810 const SMESHDS_Hypothesis * aHyp = *it;
811 if (aHyp->GetType() == SMESHDS_Hypothesis::PARAM_ALGO)
814 const SMESH_Algo* algo = dynamic_cast<const SMESH_Algo*> (aHyp);
817 int dim = algo->GetDim();
818 aGlobAlgoArr[ dim ] = algo;
823 // --------------------------------------------------------
824 // info on algos that will be ignored because of ones that
825 // don't NeedDiscreteBoundary() attached to super-shapes,
826 // check that a conform mesh will be produced
827 // --------------------------------------------------------
830 // find a global algo possibly hiding sub-algos
832 const SMESH_Algo* aGlobIgnoAlgo = 0;
833 for (dim = 3; dim > 0; dim--)
835 if (aGlobAlgoArr[ dim ] &&
836 !aGlobAlgoArr[ dim ]->NeedDiscreteBoundary() /*&&
837 !aGlobAlgoArr[ dim ]->SupportSubmeshes()*/ )
839 aGlobIgnoAlgo = aGlobAlgoArr[ dim ];
844 set<SMESH_subMesh*> aCheckedSubs;
845 bool checkConform = ( !theMesh.IsNotConformAllowed() );
847 // loop on theShape and its sub-shapes
848 SMESH_subMeshIteratorPtr revItSub = sm->getDependsOnIterator( /*includeSelf=*/true,
849 /*complexShapeFirst=*/true);
850 while ( revItSub->more() )
852 SMESH_subMesh* smToCheck = revItSub->next();
853 if ( smToCheck->GetSubShape().ShapeType() == TopAbs_VERTEX)
856 if ( aCheckedSubs.insert( smToCheck ).second ) // not yet checked
857 if (!checkConformIgnoredAlgos (theMesh, smToCheck, aGlobIgnoAlgo,
858 0, checkConform, aCheckedSubs, theErrors))
861 if ( smToCheck->GetAlgoState() != SMESH_subMesh::NO_ALGO )
865 // ----------------------------------------------------------------
866 // info on missing hypothesis and find out if all needed algos are
868 // ----------------------------------------------------------------
870 //MESSAGE( "---info on missing hypothesis and find out if all needed algos are");
872 // find max dim of global algo
874 for (dim = 3; dim > 0; dim--)
876 if (aGlobAlgoArr[ dim ])
882 bool checkNoAlgo = theMesh.HasShapeToMesh() ? bool( aTopAlgoDim ) : false;
883 bool globalChecked[] = { false, false, false, false };
885 // loop on theShape and its sub-shapes
886 aCheckedSubs.clear();
887 revItSub = sm->getDependsOnIterator( /*includeSelf=*/true, /*complexShapeFirst=*/true);
888 while ( revItSub->more() )
890 SMESH_subMesh* smToCheck = revItSub->next();
891 if ( smToCheck->GetSubShape().ShapeType() == TopAbs_VERTEX)
894 if (!checkMissing (this, theMesh, smToCheck, aTopAlgoDim,
895 globalChecked, checkNoAlgo, aCheckedSubs, theErrors))
898 if (smToCheck->GetAlgoState() == SMESH_subMesh::NO_ALGO )
905 INFOS( "None algorithm attached" );
906 theErrors.push_back( TAlgoStateError() );
907 theErrors.back().Set( SMESH_Hypothesis::HYP_MISSING, 1, true );
913 //=======================================================================
914 //function : IsGlobalHypothesis
915 //purpose : check if theAlgo is attached to the main shape
916 //=======================================================================
918 bool SMESH_Gen::IsGlobalHypothesis(const SMESH_Hypothesis* theHyp, SMESH_Mesh& aMesh)
920 SMESH_HypoFilter filter( SMESH_HypoFilter::Is( theHyp ));
921 return aMesh.GetHypothesis( aMesh.GetMeshDS()->ShapeToMesh(), filter, false );
924 //================================================================================
926 * \brief Return paths to xml files of plugins
928 //================================================================================
930 std::vector< std::string > SMESH_Gen::GetPluginXMLPaths()
932 // Get paths to xml files of plugins
933 vector< string > xmlPaths;
935 if ( const char* meshersList = getenv("SMESH_MeshersList") )
937 string meshers = meshersList, plugin;
938 string::size_type from = 0, pos;
939 while ( from < meshers.size() )
941 // cut off plugin name
942 pos = meshers.find( ':', from );
943 if ( pos != string::npos )
944 plugin = meshers.substr( from, pos-from );
946 plugin = meshers.substr( from ), pos = meshers.size();
949 // get PLUGIN_ROOT_DIR path
950 string rootDirVar, pluginSubDir = plugin;
951 if ( plugin == "StdMeshers" )
952 rootDirVar = "SMESH", pluginSubDir = "smesh";
954 for ( pos = 0; pos < plugin.size(); ++pos )
955 rootDirVar += toupper( plugin[pos] );
956 rootDirVar += "_ROOT_DIR";
958 const char* rootDir = getenv( rootDirVar.c_str() );
959 if ( !rootDir || strlen(rootDir) == 0 )
961 rootDirVar = plugin + "_ROOT_DIR"; // HexoticPLUGIN_ROOT_DIR
962 rootDir = getenv( rootDirVar.c_str() );
963 if ( !rootDir || strlen(rootDir) == 0 ) continue;
966 // get a separator from rootDir
967 for ( pos = strlen( rootDir )-1; pos >= 0 && sep.empty(); --pos )
968 if ( rootDir[pos] == '/' || rootDir[pos] == '\\' )
974 if (sep.empty() ) sep = "\\";
976 if (sep.empty() ) sep = "/";
979 // get a path to resource file
980 string xmlPath = rootDir;
981 if ( xmlPath[ xmlPath.size()-1 ] != sep[0] )
983 xmlPath += "share" + sep + "salome" + sep + "resources" + sep;
984 for ( pos = 0; pos < pluginSubDir.size(); ++pos )
985 xmlPath += tolower( pluginSubDir[pos] );
986 xmlPath += sep + plugin + ".xml";
989 fileOK = (GetFileAttributes(xmlPath.c_str()) != INVALID_FILE_ATTRIBUTES);
991 fileOK = (access(xmlPath.c_str(), F_OK) == 0);
994 xmlPaths.push_back( xmlPath );
1001 //=============================================================================
1003 * Finds algo to mesh a shape. Optionally returns a shape the found algo is bound to
1005 //=============================================================================
1007 SMESH_Algo *SMESH_Gen::GetAlgo(SMESH_Mesh & aMesh,
1008 const TopoDS_Shape & aShape,
1009 TopoDS_Shape* assignedTo)
1011 SMESH_HypoFilter filter( SMESH_HypoFilter::IsAlgo() );
1012 filter.And( filter.IsApplicableTo( aShape ));
1014 typedef SMESH_Algo::Features AlgoData;
1016 TopoDS_Shape assignedToShape;
1018 (SMESH_Algo*) aMesh.GetHypothesis( aShape, filter, true, &assignedToShape );
1021 aShape.ShapeType() == TopAbs_FACE &&
1022 !aShape.IsSame( assignedToShape ) &&
1023 SMESH_MesherHelper::NbAncestors( aShape, aMesh, TopAbs_SOLID ) > 1 )
1025 // Issue 0021559. If there is another 2D algo with different types of output
1026 // elements that can be used to mesh aShape, and 3D algos on adjacent SOLIDs
1027 // have different types of input elements, we choose a most appropriate 2D algo.
1029 // try to find a concurrent 2D algo
1030 filter.AndNot( filter.Is( algo ));
1031 TopoDS_Shape assignedToShape2;
1033 (SMESH_Algo*) aMesh.GetHypothesis( aShape, filter, true, &assignedToShape2 );
1034 if ( algo2 && // algo found
1035 !assignedToShape2.IsSame( aMesh.GetShapeToMesh() ) && // algo is local
1036 ( SMESH_MesherHelper::GetGroupType( assignedToShape2 ) == // algo of the same level
1037 SMESH_MesherHelper::GetGroupType( assignedToShape )) &&
1038 aMesh.IsOrderOK( aMesh.GetSubMesh( assignedToShape2 ), // no forced order
1039 aMesh.GetSubMesh( assignedToShape )))
1041 // get algos on the adjacent SOLIDs
1042 filter.Init( filter.IsAlgo() ).And( filter.HasDim( 3 ));
1043 vector< SMESH_Algo* > algos3D;
1044 PShapeIteratorPtr solidIt = SMESH_MesherHelper::GetAncestors( aShape, aMesh,
1046 while ( const TopoDS_Shape* solid = solidIt->next() )
1047 if ( SMESH_Algo* algo3D = (SMESH_Algo*) aMesh.GetHypothesis( *solid, filter, true ))
1049 algos3D.push_back( algo3D );
1050 filter.AndNot( filter.HasName( algo3D->GetName() ));
1052 // check compatibility of algos
1053 if ( algos3D.size() > 1 )
1055 const AlgoData& algoData = algo->SMESH_Algo::GetFeatures();
1056 const AlgoData& algoData2 = algo2->SMESH_Algo::GetFeatures();
1057 const AlgoData& algoData3d0 = algos3D[0]->SMESH_Algo::GetFeatures();
1058 const AlgoData& algoData3d1 = algos3D[1]->SMESH_Algo::GetFeatures();
1059 if (( algoData2.IsCompatible( algoData3d0 ) &&
1060 algoData2.IsCompatible( algoData3d1 ))
1062 !(algoData.IsCompatible( algoData3d0 ) &&
1063 algoData.IsCompatible( algoData3d1 )))
1069 if ( assignedTo && algo )
1070 * assignedTo = assignedToShape;
1075 //=============================================================================
1077 * Returns StudyContextStruct for a study
1079 //=============================================================================
1081 StudyContextStruct *SMESH_Gen::GetStudyContext(int studyId)
1083 // Get studyContext, create it if it does'nt exist, with a SMESHDS_Document
1085 if (_mapStudyContext.find(studyId) == _mapStudyContext.end())
1087 _mapStudyContext[studyId] = new StudyContextStruct;
1088 _mapStudyContext[studyId]->myDocument = new SMESHDS_Document(studyId);
1090 StudyContextStruct *myStudyContext = _mapStudyContext[studyId];
1091 return myStudyContext;
1094 //================================================================================
1096 * \brief Return shape dimension by TopAbs_ShapeEnum
1098 //================================================================================
1100 int SMESH_Gen::GetShapeDim(const TopAbs_ShapeEnum & aShapeType)
1102 static vector<int> dim;
1105 dim.resize( TopAbs_SHAPE, -1 );
1106 dim[ TopAbs_COMPOUND ] = MeshDim_3D;
1107 dim[ TopAbs_COMPSOLID ] = MeshDim_3D;
1108 dim[ TopAbs_SOLID ] = MeshDim_3D;
1109 dim[ TopAbs_SHELL ] = MeshDim_2D;
1110 dim[ TopAbs_FACE ] = MeshDim_2D;
1111 dim[ TopAbs_WIRE ] = MeshDim_1D;
1112 dim[ TopAbs_EDGE ] = MeshDim_1D;
1113 dim[ TopAbs_VERTEX ] = MeshDim_0D;
1115 return dim[ aShapeType ];
1118 //=============================================================================
1120 * Genarate a new id unique withing this Gen
1122 //=============================================================================
1124 int SMESH_Gen::GetANewId()