1 // Copyright (C) 2007-2016 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, or (at your option) any later version.
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_Mesh.hxx"
39 #include "SMESH_MesherHelper.hxx"
40 #include "SMESH_subMesh.hxx"
42 #include "utilities.h"
44 #include "Utils_ExceptHandlers.hxx"
46 #include <TopoDS_Iterator.hxx>
57 //#include <vtkDebugLeaks.h>
60 //=============================================================================
64 //=============================================================================
66 SMESH_Gen::SMESH_Gen()
70 _segmentation = _nbSegments = 10;
71 SMDS_Mesh::_meshList.clear();
72 _compute_canceled = false;
73 //vtkDebugLeaks::SetExitError(0);
76 //=============================================================================
80 //=============================================================================
82 SMESH_Gen::~SMESH_Gen()
84 std::map < int, StudyContextStruct * >::iterator i_sc = _mapStudyContext.begin();
85 for ( ; i_sc != _mapStudyContext.end(); ++i_sc )
87 delete i_sc->second->myDocument;
92 //=============================================================================
94 * Creates a mesh in a study.
95 * if (theIsEmbeddedMode) { mesh modification commands are not logged }
97 //=============================================================================
99 SMESH_Mesh* SMESH_Gen::CreateMesh(int theStudyId, bool theIsEmbeddedMode)
100 throw(SALOME_Exception)
102 Unexpect aCatch(SalomeException);
104 // Get studyContext, create it if it does'nt exist, with a SMESHDS_Document
105 StudyContextStruct *aStudyContext = GetStudyContext(theStudyId);
107 // create a new SMESH_mesh object
108 SMESH_Mesh *aMesh = new SMESH_Mesh(_localId++,
112 aStudyContext->myDocument);
113 aStudyContext->mapMesh[_localId-1] = aMesh;
118 //=============================================================================
122 //=============================================================================
124 bool SMESH_Gen::Compute(SMESH_Mesh & aMesh,
125 const TopoDS_Shape & aShape,
126 const bool aShapeOnly /*=false*/,
127 const bool anUpward /*=false*/,
128 const ::MeshDimension aDim /*=::MeshDim_3D*/,
129 TSetOfInt* aShapesId /*=0*/)
135 SMESH_subMesh *sm = aMesh.GetSubMesh(aShape);
137 const bool includeSelf = true;
138 const bool complexShapeFirst = true;
139 const int globalAlgoDim = 100;
141 SMESH_subMeshIteratorPtr smIt;
143 // Fix of Issue 22150. Due to !BLSURF->OnlyUnaryInput(), BLSURF computes edges
144 // that must be computed by Projection 1D-2D when Projection asks to compute
146 SMESH_subMesh::compute_event computeEvent =
147 aShapeOnly ? SMESH_subMesh::COMPUTE_SUBMESH : SMESH_subMesh::COMPUTE;
149 if ( anUpward ) // is called from the below code in this method
151 // ===============================================
152 // Mesh all the sub-shapes starting from vertices
153 // ===============================================
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 TopoDS_Shape& shape = smToCompute->GetSubShape();
162 const TopAbs_ShapeEnum shapeType = shape.ShapeType();
163 if ( !aMesh.HasShapeToMesh() && shapeType == TopAbs_VERTEX )
166 // check for preview dimension limitations
167 if ( aShapesId && GetShapeDim( shapeType ) > (int)aDim )
169 // clear compute state not to show previous compute errors
170 // if preview invoked less dimension less than previous
171 smToCompute->ComputeStateEngine( SMESH_subMesh::CHECK_COMPUTE_STATE );
175 if (smToCompute->GetComputeState() == SMESH_subMesh::READY_TO_COMPUTE)
177 if (_compute_canceled)
179 setCurrentSubMesh( smToCompute );
180 smToCompute->ComputeStateEngine( computeEvent );
181 setCurrentSubMesh( NULL );
184 // we check all the sub-meshes here and detect if any of them failed to compute
185 if (smToCompute->GetComputeState() == SMESH_subMesh::FAILED_TO_COMPUTE &&
186 ( shapeType != TopAbs_EDGE || !SMESH_Algo::isDegenerated( TopoDS::Edge( shape ))))
188 else if ( aShapesId )
189 aShapesId->insert( smToCompute->GetId() );
191 //aMesh.GetMeshDS()->Modified();
196 // ================================================================
197 // Apply algos that do NOT require discreteized boundaries
198 // ("all-dimensional") and do NOT support sub-meshes, starting from
199 // the most complex shapes and collect sub-meshes with algos that
200 // DO support sub-meshes
201 // ================================================================
203 list< SMESH_subMesh* > smWithAlgoSupportingSubmeshes[4]; // for each dim
205 // map to sort sm with same dim algos according to dim of
206 // the shape the algo assigned to (issue 0021217).
207 // Other issues influenced the algo applying order:
208 // 21406, 21556, 21893, 20206
209 multimap< int, SMESH_subMesh* > shDim2sm;
210 multimap< int, SMESH_subMesh* >::reverse_iterator shDim2smIt;
211 TopoDS_Shape algoShape;
212 int prevShapeDim = -1, aShapeDim;
214 smIt = sm->getDependsOnIterator(includeSelf, complexShapeFirst);
215 while ( smIt->more() )
217 SMESH_subMesh* smToCompute = smIt->next();
218 if ( smToCompute->GetComputeState() != SMESH_subMesh::READY_TO_COMPUTE )
221 const TopoDS_Shape& aSubShape = smToCompute->GetSubShape();
222 aShapeDim = GetShapeDim( aSubShape );
223 if ( aShapeDim < 1 ) break;
225 // check for preview dimension limitations
226 if ( aShapesId && aShapeDim > (int)aDim )
229 SMESH_Algo* algo = GetAlgo( smToCompute, &algoShape );
230 if ( algo && !algo->NeedDiscreteBoundary() )
232 if ( algo->SupportSubmeshes() )
234 // reload sub-meshes from shDim2sm into smWithAlgoSupportingSubmeshes
235 // so that more local algos to go first
236 if ( prevShapeDim != aShapeDim )
238 prevShapeDim = aShapeDim;
239 for ( shDim2smIt = shDim2sm.rbegin(); shDim2smIt != shDim2sm.rend(); ++shDim2smIt )
240 if ( shDim2smIt->first == globalAlgoDim )
241 smWithAlgoSupportingSubmeshes[ aShapeDim ].push_back( shDim2smIt->second );
243 smWithAlgoSupportingSubmeshes[ aShapeDim ].push_front( shDim2smIt->second );
246 // add smToCompute to shDim2sm map
247 if ( algoShape.IsSame( aMesh.GetShapeToMesh() ))
249 aShapeDim = globalAlgoDim; // to compute last
253 aShapeDim = GetShapeDim( algoShape );
254 if ( algoShape.ShapeType() == TopAbs_COMPOUND )
256 TopoDS_Iterator it( algoShape );
257 aShapeDim += GetShapeDim( it.Value() );
260 shDim2sm.insert( make_pair( aShapeDim, smToCompute ));
262 else // Compute w/o support of sub-meshes
264 if (_compute_canceled)
266 setCurrentSubMesh( smToCompute );
267 smToCompute->ComputeStateEngine( computeEvent );
268 setCurrentSubMesh( NULL );
270 aShapesId->insert( smToCompute->GetId() );
274 // reload sub-meshes from shDim2sm into smWithAlgoSupportingSubmeshes
275 for ( shDim2smIt = shDim2sm.rbegin(); shDim2smIt != shDim2sm.rend(); ++shDim2smIt )
276 if ( shDim2smIt->first == globalAlgoDim )
277 smWithAlgoSupportingSubmeshes[3].push_back( shDim2smIt->second );
279 smWithAlgoSupportingSubmeshes[0].push_front( shDim2smIt->second );
281 // ======================================================
282 // Apply all-dimensional algorithms supporing sub-meshes
283 // ======================================================
285 std::vector< SMESH_subMesh* > smVec;
286 for ( aShapeDim = 0; aShapeDim < 4; ++aShapeDim )
288 // ------------------------------------------------
289 // sort list of sub-meshes according to mesh order
290 // ------------------------------------------------
291 smVec.assign( smWithAlgoSupportingSubmeshes[ aShapeDim ].begin(),
292 smWithAlgoSupportingSubmeshes[ aShapeDim ].end() );
293 aMesh.SortByMeshOrder( smVec );
295 // ------------------------------------------------------------
296 // compute sub-meshes with local uni-dimensional algos under
297 // sub-meshes with all-dimensional algos
298 // ------------------------------------------------------------
299 // start from lower shapes
300 for ( size_t i = 0; i < smVec.size(); ++i )
304 // get a shape the algo is assigned to
305 if ( !GetAlgo( sm, & algoShape ))
306 continue; // strange...
308 // look for more local algos
309 smIt = sm->getDependsOnIterator(!includeSelf, !complexShapeFirst);
310 while ( smIt->more() )
312 SMESH_subMesh* smToCompute = smIt->next();
314 const TopoDS_Shape& aSubShape = smToCompute->GetSubShape();
315 const int aShapeDim = GetShapeDim( aSubShape );
316 //if ( aSubShape.ShapeType() == TopAbs_VERTEX ) continue;
317 if ( aShapeDim < 1 ) continue;
319 // check for preview dimension limitations
320 if ( aShapesId && GetShapeDim( aSubShape.ShapeType() ) > (int)aDim )
323 SMESH_HypoFilter filter( SMESH_HypoFilter::IsAlgo() );
325 .And( SMESH_HypoFilter::IsApplicableTo( aSubShape ))
326 .And( SMESH_HypoFilter::IsMoreLocalThan( algoShape, aMesh ));
328 if ( SMESH_Algo* subAlgo = (SMESH_Algo*) aMesh.GetHypothesis( smToCompute, filter, true))
330 if ( ! subAlgo->NeedDiscreteBoundary() ) continue;
331 SMESH_Hypothesis::Hypothesis_Status status;
332 if ( subAlgo->CheckHypothesis( aMesh, aSubShape, status ))
333 // mesh a lower smToCompute starting from vertices
334 Compute( aMesh, aSubShape, true, /*anUpward=*/true, aDim, aShapesId );
335 // Compute( aMesh, aSubShape, aShapeOnly, /*anUpward=*/true, aDim, aShapesId );
339 // --------------------------------
340 // apply the all-dimensional algos
341 // --------------------------------
342 for ( size_t i = 0; i < smVec.size(); ++i )
345 if ( sm->GetComputeState() == SMESH_subMesh::READY_TO_COMPUTE)
347 const TopAbs_ShapeEnum shapeType = sm->GetSubShape().ShapeType();
348 // check for preview dimension limitations
349 if ( aShapesId && GetShapeDim( shapeType ) > (int)aDim )
352 if (_compute_canceled)
354 setCurrentSubMesh( sm );
355 sm->ComputeStateEngine( computeEvent );
356 setCurrentSubMesh( NULL );
358 aShapesId->insert( sm->GetId() );
361 } // loop on shape dimensions
363 // -----------------------------------------------
364 // mesh the rest sub-shapes starting from vertices
365 // -----------------------------------------------
366 ret = Compute( aMesh, aShape, aShapeOnly, /*anUpward=*/true, aDim, aShapesId );
371 SMESHDS_Mesh *myMesh = aMesh.GetMeshDS();
372 //MESSAGE("*** compactMesh after compute");
373 myMesh->compactMesh();
375 // fix quadratic mesh by bending iternal links near concave boundary
376 if ( aShape.IsSame( aMesh.GetShapeToMesh() ) &&
377 !aShapesId && // not preview
378 ret ) // everything is OK
380 SMESH_MesherHelper aHelper( aMesh );
381 if ( aHelper.IsQuadraticMesh() != SMESH_MesherHelper::LINEAR )
383 aHelper.FixQuadraticElements( sm->GetComputeError() );
389 //=============================================================================
391 * Prepare Compute a mesh
393 //=============================================================================
394 void SMESH_Gen::PrepareCompute(SMESH_Mesh & aMesh,
395 const TopoDS_Shape & aShape)
397 _compute_canceled = false;
398 resetCurrentSubMesh();
401 //=============================================================================
403 * Cancel Compute a mesh
405 //=============================================================================
406 void SMESH_Gen::CancelCompute(SMESH_Mesh & aMesh,
407 const TopoDS_Shape & aShape)
409 _compute_canceled = true;
410 if ( const SMESH_subMesh* sm = GetCurrentSubMesh() )
412 const_cast< SMESH_subMesh* >( sm )->ComputeStateEngine( SMESH_subMesh::COMPUTE_CANCELED );
414 resetCurrentSubMesh();
417 //================================================================================
419 * \brief Returns a sub-mesh being currently computed
421 //================================================================================
423 const SMESH_subMesh* SMESH_Gen::GetCurrentSubMesh() const
425 return _sm_current.empty() ? 0 : _sm_current.back();
428 //================================================================================
430 * \brief Sets a sub-mesh being currently computed.
432 * An algorithm can call Compute() for a sub-shape, hence we keep a stack of sub-meshes
434 //================================================================================
436 void SMESH_Gen::setCurrentSubMesh(SMESH_subMesh* sm)
439 _sm_current.push_back( sm );
441 else if ( !_sm_current.empty() )
442 _sm_current.pop_back();
445 void SMESH_Gen::resetCurrentSubMesh()
450 //=============================================================================
454 //=============================================================================
456 bool SMESH_Gen::Evaluate(SMESH_Mesh & aMesh,
457 const TopoDS_Shape & aShape,
458 MapShapeNbElems& aResMap,
460 TSetOfInt* aShapesId)
464 SMESH_subMesh *sm = aMesh.GetSubMesh(aShape);
466 const bool includeSelf = true;
467 const bool complexShapeFirst = true;
468 SMESH_subMeshIteratorPtr smIt;
470 if ( anUpward ) { // is called from below code here
471 // -----------------------------------------------
472 // mesh all the sub-shapes starting from vertices
473 // -----------------------------------------------
474 smIt = sm->getDependsOnIterator(includeSelf, !complexShapeFirst);
475 while ( smIt->more() ) {
476 SMESH_subMesh* smToCompute = smIt->next();
478 // do not mesh vertices of a pseudo shape
479 const TopAbs_ShapeEnum shapeType = smToCompute->GetSubShape().ShapeType();
480 //if ( !aMesh.HasShapeToMesh() && shapeType == TopAbs_VERTEX )
482 if ( !aMesh.HasShapeToMesh() ) {
483 if( shapeType == TopAbs_VERTEX || shapeType == TopAbs_WIRE ||
484 shapeType == TopAbs_SHELL )
488 smToCompute->Evaluate(aResMap);
490 aShapesId->insert( smToCompute->GetId() );
495 // -----------------------------------------------------------------
496 // apply algos that DO NOT require Discreteized boundaries and DO NOT
497 // support sub-meshes, starting from the most complex shapes
498 // and collect sub-meshes with algos that DO support sub-meshes
499 // -----------------------------------------------------------------
500 list< SMESH_subMesh* > smWithAlgoSupportingSubmeshes;
501 smIt = sm->getDependsOnIterator(includeSelf, complexShapeFirst);
502 while ( smIt->more() ) {
503 SMESH_subMesh* smToCompute = smIt->next();
504 const TopoDS_Shape& aSubShape = smToCompute->GetSubShape();
505 const int aShapeDim = GetShapeDim( aSubShape );
506 if ( aShapeDim < 1 ) break;
508 SMESH_Algo* algo = GetAlgo( smToCompute );
509 if ( algo && !algo->NeedDiscreteBoundary() ) {
510 if ( algo->SupportSubmeshes() ) {
511 smWithAlgoSupportingSubmeshes.push_front( smToCompute );
514 smToCompute->Evaluate(aResMap);
516 aShapesId->insert( smToCompute->GetId() );
521 // ------------------------------------------------------------
522 // sort list of meshes according to mesh order
523 // ------------------------------------------------------------
524 std::vector< SMESH_subMesh* > smVec( smWithAlgoSupportingSubmeshes.begin(),
525 smWithAlgoSupportingSubmeshes.end() );
526 aMesh.SortByMeshOrder( smVec );
528 // ------------------------------------------------------------
529 // compute sub-meshes under shapes with algos that DO NOT require
530 // Discreteized boundaries and DO support sub-meshes
531 // ------------------------------------------------------------
532 // start from lower shapes
533 for ( size_t i = 0; i < smVec.size(); ++i )
537 // get a shape the algo is assigned to
538 TopoDS_Shape algoShape;
539 if ( !GetAlgo( sm, & algoShape ))
540 continue; // strange...
542 // look for more local algos
543 smIt = sm->getDependsOnIterator(!includeSelf, !complexShapeFirst);
544 while ( smIt->more() ) {
545 SMESH_subMesh* smToCompute = smIt->next();
547 const TopoDS_Shape& aSubShape = smToCompute->GetSubShape();
548 const int aShapeDim = GetShapeDim( aSubShape );
549 if ( aShapeDim < 1 ) continue;
551 SMESH_HypoFilter filter( SMESH_HypoFilter::IsAlgo() );
553 .And( SMESH_HypoFilter::IsApplicableTo( aSubShape ))
554 .And( SMESH_HypoFilter::IsMoreLocalThan( algoShape, aMesh ));
556 if ( SMESH_Algo* subAlgo = (SMESH_Algo*) aMesh.GetHypothesis( smToCompute, filter, true ))
558 if ( ! subAlgo->NeedDiscreteBoundary() ) continue;
559 SMESH_Hypothesis::Hypothesis_Status status;
560 if ( subAlgo->CheckHypothesis( aMesh, aSubShape, status ))
561 // mesh a lower smToCompute starting from vertices
562 Evaluate( aMesh, aSubShape, aResMap, /*anUpward=*/true, aShapesId );
566 // ----------------------------------------------------------
567 // apply the algos that do not require Discreteized boundaries
568 // ----------------------------------------------------------
569 for ( size_t i = 0; i < smVec.size(); ++i )
572 sm->Evaluate(aResMap);
574 aShapesId->insert( sm->GetId() );
577 // -----------------------------------------------
578 // mesh the rest sub-shapes starting from vertices
579 // -----------------------------------------------
580 ret = Evaluate( aMesh, aShape, aResMap, /*anUpward=*/true, aShapesId );
583 MESSAGE( "VSR - SMESH_Gen::Evaluate() finished, OK = " << ret);
588 //=======================================================================
589 //function : checkConformIgnoredAlgos
591 //=======================================================================
593 static bool checkConformIgnoredAlgos(SMESH_Mesh& aMesh,
594 SMESH_subMesh* aSubMesh,
595 const SMESH_Algo* aGlobIgnoAlgo,
596 const SMESH_Algo* aLocIgnoAlgo,
598 set<SMESH_subMesh*>& aCheckedMap,
599 list< SMESH_Gen::TAlgoStateError > & theErrors)
602 if ( aSubMesh->GetSubShape().ShapeType() == TopAbs_VERTEX)
608 const list<const SMESHDS_Hypothesis*>& listHyp =
609 aMesh.GetMeshDS()->GetHypothesis( aSubMesh->GetSubShape() );
610 list<const SMESHDS_Hypothesis*>::const_iterator it=listHyp.begin();
611 for ( ; it != listHyp.end(); it++)
613 const SMESHDS_Hypothesis * aHyp = *it;
614 if (aHyp->GetType() == SMESHDS_Hypothesis::PARAM_ALGO)
617 const SMESH_Algo* algo = dynamic_cast<const SMESH_Algo*> (aHyp);
620 if ( aLocIgnoAlgo ) // algo is hidden by a local algo of upper dim
622 theErrors.push_back( SMESH_Gen::TAlgoStateError() );
623 theErrors.back().Set( SMESH_Hypothesis::HYP_HIDDEN_ALGO, algo, false );
624 INFOS( "Local <" << algo->GetName() << "> is hidden by local <"
625 << aLocIgnoAlgo->GetName() << ">");
629 bool isGlobal = (aMesh.IsMainShape( aSubMesh->GetSubShape() ));
630 int dim = algo->GetDim();
631 int aMaxGlobIgnoDim = ( aGlobIgnoAlgo ? aGlobIgnoAlgo->GetDim() : -1 );
632 bool isNeededDim = ( aGlobIgnoAlgo ? aGlobIgnoAlgo->NeedLowerHyps( dim ) : false );
634 if (( dim < aMaxGlobIgnoDim && !isNeededDim ) &&
635 ( isGlobal || !aGlobIgnoAlgo->SupportSubmeshes() ))
637 // algo is hidden by a global algo
638 theErrors.push_back( SMESH_Gen::TAlgoStateError() );
639 theErrors.back().Set( SMESH_Hypothesis::HYP_HIDDEN_ALGO, algo, true );
640 INFOS( ( isGlobal ? "Global" : "Local" )
641 << " <" << algo->GetName() << "> is hidden by global <"
642 << aGlobIgnoAlgo->GetName() << ">");
644 else if ( !algo->NeedDiscreteBoundary() && !isGlobal)
646 // local algo is not hidden and hides algos on sub-shapes
647 if (checkConform && !aSubMesh->IsConform( algo ))
650 checkConform = false; // no more check conformity
651 INFOS( "ERROR: Local <" << algo->GetName() <<
652 "> would produce not conform mesh: "
653 "<Not Conform Mesh Allowed> hypotesis is missing");
654 theErrors.push_back( SMESH_Gen::TAlgoStateError() );
655 theErrors.back().Set( SMESH_Hypothesis::HYP_NOTCONFORM, algo, false );
658 // sub-algos will be hidden by a local <algo> if <algo> does not support sub-meshes
659 if ( algo->SupportSubmeshes() )
661 SMESH_subMeshIteratorPtr revItSub =
662 aSubMesh->getDependsOnIterator( /*includeSelf=*/false, /*complexShapeFirst=*/true);
663 bool checkConform2 = false;
664 while ( revItSub->more() )
666 SMESH_subMesh* sm = revItSub->next();
667 checkConformIgnoredAlgos (aMesh, sm, aGlobIgnoAlgo,
668 algo, checkConform2, aCheckedMap, theErrors);
669 aCheckedMap.insert( sm );
678 //=======================================================================
679 //function : checkMissing
680 //purpose : notify on missing hypothesis
681 // Return false if algo or hipothesis is missing
682 //=======================================================================
684 static bool checkMissing(SMESH_Gen* aGen,
686 SMESH_subMesh* aSubMesh,
687 const int aTopAlgoDim,
689 const bool checkNoAlgo,
690 set<SMESH_subMesh*>& aCheckedMap,
691 list< SMESH_Gen::TAlgoStateError > & theErrors)
693 switch ( aSubMesh->GetSubShape().ShapeType() )
697 case TopAbs_SOLID: break; // check this sub-mesh, it can be meshed
699 return true; // not meshable sub-mesh
701 if ( aCheckedMap.count( aSubMesh ))
705 SMESH_Algo* algo = 0;
707 switch (aSubMesh->GetAlgoState())
709 case SMESH_subMesh::NO_ALGO: {
712 // should there be any algo?
713 int shapeDim = SMESH_Gen::GetShapeDim( aSubMesh->GetSubShape() );
714 if (aTopAlgoDim > shapeDim)
716 MESSAGE( "ERROR: " << shapeDim << "D algorithm is missing" );
718 theErrors.push_back( SMESH_Gen::TAlgoStateError() );
719 theErrors.back().Set( SMESH_Hypothesis::HYP_MISSING, shapeDim, true );
724 case SMESH_subMesh::MISSING_HYP: {
725 // notify if an algo missing hyp is attached to aSubMesh
726 algo = aSubMesh->GetAlgo();
728 bool IsGlobalHypothesis = aGen->IsGlobalHypothesis( algo, aMesh );
729 if (!IsGlobalHypothesis || !globalChecked[ algo->GetDim() ])
731 TAlgoStateErrorName errName = SMESH_Hypothesis::HYP_MISSING;
732 SMESH_Hypothesis::Hypothesis_Status status;
733 algo->CheckHypothesis( aMesh, aSubMesh->GetSubShape(), status );
734 if ( status == SMESH_Hypothesis::HYP_BAD_PARAMETER ) {
735 MESSAGE( "ERROR: hypothesis of " << (IsGlobalHypothesis ? "Global " : "Local ")
736 << "<" << algo->GetName() << "> has a bad parameter value");
738 } else if ( status == SMESH_Hypothesis::HYP_BAD_GEOMETRY ) {
739 MESSAGE( "ERROR: " << (IsGlobalHypothesis ? "Global " : "Local ")
740 << "<" << algo->GetName() << "> assigned to mismatching geometry");
743 MESSAGE( "ERROR: " << (IsGlobalHypothesis ? "Global " : "Local ")
744 << "<" << algo->GetName() << "> misses some hypothesis");
746 if (IsGlobalHypothesis)
747 globalChecked[ algo->GetDim() ] = true;
748 theErrors.push_back( SMESH_Gen::TAlgoStateError() );
749 theErrors.back().Set( errName, algo, IsGlobalHypothesis );
754 case SMESH_subMesh::HYP_OK:
755 algo = aSubMesh->GetAlgo();
757 if (!algo->NeedDiscreteBoundary())
759 SMESH_subMeshIteratorPtr itsub = aSubMesh->getDependsOnIterator( /*includeSelf=*/false,
760 /*complexShapeFirst=*/false);
761 while ( itsub->more() )
762 aCheckedMap.insert( itsub->next() );
768 // do not check under algo that hides sub-algos or
769 // re-start checking NO_ALGO state
771 bool isTopLocalAlgo =
772 ( aTopAlgoDim <= algo->GetDim() && !aGen->IsGlobalHypothesis( algo, aMesh ));
773 if (!algo->NeedDiscreteBoundary() || isTopLocalAlgo)
775 bool checkNoAlgo2 = ( algo->NeedDiscreteBoundary() );
776 SMESH_subMeshIteratorPtr itsub = aSubMesh->getDependsOnIterator( /*includeSelf=*/false,
777 /*complexShapeFirst=*/true);
778 while ( itsub->more() )
780 // sub-meshes should not be checked further more
781 SMESH_subMesh* sm = itsub->next();
785 //check algo on sub-meshes
786 int aTopAlgoDim2 = algo->GetDim();
787 if (!checkMissing (aGen, aMesh, sm, aTopAlgoDim2,
788 globalChecked, checkNoAlgo2, aCheckedMap, theErrors))
791 if (sm->GetAlgoState() == SMESH_subMesh::NO_ALGO )
792 checkNoAlgo2 = false;
795 aCheckedMap.insert( sm );
801 //=======================================================================
802 //function : CheckAlgoState
803 //purpose : notify on bad state of attached algos, return false
804 // if Compute() would fail because of some algo bad state
805 //=======================================================================
807 bool SMESH_Gen::CheckAlgoState(SMESH_Mesh& aMesh, const TopoDS_Shape& aShape)
809 list< TAlgoStateError > errors;
810 return GetAlgoState( aMesh, aShape, errors );
813 //=======================================================================
814 //function : GetAlgoState
815 //purpose : notify on bad state of attached algos, return false
816 // if Compute() would fail because of some algo bad state
817 // theErrors list contains problems description
818 //=======================================================================
820 bool SMESH_Gen::GetAlgoState(SMESH_Mesh& theMesh,
821 const TopoDS_Shape& theShape,
822 list< TAlgoStateError > & theErrors)
825 bool hasAlgo = false;
827 SMESH_subMesh* sm = theMesh.GetSubMesh(theShape);
828 const SMESHDS_Mesh* meshDS = theMesh.GetMeshDS();
829 TopoDS_Shape mainShape = meshDS->ShapeToMesh();
835 const SMESH_Algo* aGlobAlgoArr[] = {0,0,0,0};
837 const list<const SMESHDS_Hypothesis*>& listHyp = meshDS->GetHypothesis( mainShape );
838 list<const SMESHDS_Hypothesis*>::const_iterator it=listHyp.begin();
839 for ( ; it != listHyp.end(); it++)
841 const SMESHDS_Hypothesis * aHyp = *it;
842 if (aHyp->GetType() == SMESHDS_Hypothesis::PARAM_ALGO)
845 const SMESH_Algo* algo = dynamic_cast<const SMESH_Algo*> (aHyp);
848 int dim = algo->GetDim();
849 aGlobAlgoArr[ dim ] = algo;
854 // --------------------------------------------------------
855 // info on algos that will be ignored because of ones that
856 // don't NeedDiscreteBoundary() attached to super-shapes,
857 // check that a conform mesh will be produced
858 // --------------------------------------------------------
861 // find a global algo possibly hiding sub-algos
863 const SMESH_Algo* aGlobIgnoAlgo = 0;
864 for (dim = 3; dim > 0; dim--)
866 if (aGlobAlgoArr[ dim ] &&
867 !aGlobAlgoArr[ dim ]->NeedDiscreteBoundary() /*&&
868 !aGlobAlgoArr[ dim ]->SupportSubmeshes()*/ )
870 aGlobIgnoAlgo = aGlobAlgoArr[ dim ];
875 set<SMESH_subMesh*> aCheckedSubs;
876 bool checkConform = ( !theMesh.IsNotConformAllowed() );
878 // loop on theShape and its sub-shapes
879 SMESH_subMeshIteratorPtr revItSub = sm->getDependsOnIterator( /*includeSelf=*/true,
880 /*complexShapeFirst=*/true);
881 while ( revItSub->more() )
883 SMESH_subMesh* smToCheck = revItSub->next();
884 if ( smToCheck->GetSubShape().ShapeType() == TopAbs_VERTEX)
887 if ( aCheckedSubs.insert( smToCheck ).second ) // not yet checked
888 if (!checkConformIgnoredAlgos (theMesh, smToCheck, aGlobIgnoAlgo,
889 0, checkConform, aCheckedSubs, theErrors))
892 if ( smToCheck->GetAlgoState() != SMESH_subMesh::NO_ALGO )
896 // ----------------------------------------------------------------
897 // info on missing hypothesis and find out if all needed algos are
899 // ----------------------------------------------------------------
901 // find max dim of global algo
903 for (dim = 3; dim > 0; dim--)
905 if (aGlobAlgoArr[ dim ])
911 bool checkNoAlgo = theMesh.HasShapeToMesh() ? bool( aTopAlgoDim ) : false;
912 bool globalChecked[] = { false, false, false, false };
914 // loop on theShape and its sub-shapes
915 aCheckedSubs.clear();
916 revItSub = sm->getDependsOnIterator( /*includeSelf=*/true, /*complexShapeFirst=*/true);
917 while ( revItSub->more() )
919 SMESH_subMesh* smToCheck = revItSub->next();
920 if ( smToCheck->GetSubShape().ShapeType() == TopAbs_VERTEX)
923 if (!checkMissing (this, theMesh, smToCheck, aTopAlgoDim,
924 globalChecked, checkNoAlgo, aCheckedSubs, theErrors))
927 if (smToCheck->GetAlgoState() == SMESH_subMesh::NO_ALGO )
934 theErrors.push_back( TAlgoStateError() );
935 theErrors.back().Set( SMESH_Hypothesis::HYP_MISSING, theMesh.HasShapeToMesh() ? 1 : 3, true );
941 //=======================================================================
942 //function : IsGlobalHypothesis
943 //purpose : check if theAlgo is attached to the main shape
944 //=======================================================================
946 bool SMESH_Gen::IsGlobalHypothesis(const SMESH_Hypothesis* theHyp, SMESH_Mesh& aMesh)
948 SMESH_HypoFilter filter( SMESH_HypoFilter::Is( theHyp ));
949 return aMesh.GetHypothesis( aMesh.GetMeshDS()->ShapeToMesh(), filter, false );
952 //================================================================================
954 * \brief Return paths to xml files of plugins
956 //================================================================================
958 std::vector< std::string > SMESH_Gen::GetPluginXMLPaths()
960 // Get paths to xml files of plugins
961 vector< string > xmlPaths;
963 if ( const char* meshersList = getenv("SMESH_MeshersList") )
965 string meshers = meshersList, plugin;
966 string::size_type from = 0, pos;
967 while ( from < meshers.size() )
969 // cut off plugin name
970 pos = meshers.find( ':', from );
971 if ( pos != string::npos )
972 plugin = meshers.substr( from, pos-from );
974 plugin = meshers.substr( from ), pos = meshers.size();
977 // get PLUGIN_ROOT_DIR path
978 string rootDirVar, pluginSubDir = plugin;
979 if ( plugin == "StdMeshers" )
980 rootDirVar = "SMESH", pluginSubDir = "smesh";
982 for ( pos = 0; pos < plugin.size(); ++pos )
983 rootDirVar += toupper( plugin[pos] );
984 rootDirVar += "_ROOT_DIR";
986 const char* rootDir = getenv( rootDirVar.c_str() );
987 if ( !rootDir || strlen(rootDir) == 0 )
989 rootDirVar = plugin + "_ROOT_DIR"; // HexoticPLUGIN_ROOT_DIR
990 rootDir = getenv( rootDirVar.c_str() );
991 if ( !rootDir || strlen(rootDir) == 0 ) continue;
994 // get a separator from rootDir
995 for ( pos = strlen( rootDir )-1; pos >= 0 && sep.empty(); --pos )
996 if ( rootDir[pos] == '/' || rootDir[pos] == '\\' )
1002 if (sep.empty() ) sep = "\\";
1004 if (sep.empty() ) sep = "/";
1007 // get a path to resource file
1008 string xmlPath = rootDir;
1009 if ( xmlPath[ xmlPath.size()-1 ] != sep[0] )
1011 xmlPath += "share" + sep + "salome" + sep + "resources" + sep;
1012 for ( pos = 0; pos < pluginSubDir.size(); ++pos )
1013 xmlPath += tolower( pluginSubDir[pos] );
1014 xmlPath += sep + plugin + ".xml";
1017 fileOK = (GetFileAttributes(xmlPath.c_str()) != INVALID_FILE_ATTRIBUTES);
1019 fileOK = (access(xmlPath.c_str(), F_OK) == 0);
1022 xmlPaths.push_back( xmlPath );
1029 //=============================================================================
1031 * Finds algo to mesh a shape. Optionally returns a shape the found algo is bound to
1033 //=============================================================================
1035 SMESH_Algo *SMESH_Gen::GetAlgo(SMESH_Mesh & aMesh,
1036 const TopoDS_Shape & aShape,
1037 TopoDS_Shape* assignedTo)
1039 return GetAlgo( aMesh.GetSubMesh( aShape ), assignedTo );
1042 //=============================================================================
1044 * Finds algo to mesh a sub-mesh. Optionally returns a shape the found algo is bound to
1046 //=============================================================================
1048 SMESH_Algo *SMESH_Gen::GetAlgo(SMESH_subMesh * aSubMesh,
1049 TopoDS_Shape* assignedTo)
1051 if ( !aSubMesh ) return 0;
1053 const TopoDS_Shape & aShape = aSubMesh->GetSubShape();
1054 SMESH_Mesh& aMesh = *aSubMesh->GetFather();
1056 SMESH_HypoFilter filter( SMESH_HypoFilter::IsAlgo() );
1057 filter.And( filter.IsApplicableTo( aShape ));
1059 typedef SMESH_Algo::Features AlgoData;
1061 TopoDS_Shape assignedToShape;
1063 (SMESH_Algo*) aMesh.GetHypothesis( aSubMesh, filter, true, &assignedToShape );
1066 aShape.ShapeType() == TopAbs_FACE &&
1067 !aShape.IsSame( assignedToShape ) &&
1068 SMESH_MesherHelper::NbAncestors( aShape, aMesh, TopAbs_SOLID ) > 1 )
1070 // Issue 0021559. If there is another 2D algo with different types of output
1071 // elements that can be used to mesh aShape, and 3D algos on adjacent SOLIDs
1072 // have different types of input elements, we choose a most appropriate 2D algo.
1074 // try to find a concurrent 2D algo
1075 filter.AndNot( filter.Is( algo ));
1076 TopoDS_Shape assignedToShape2;
1078 (SMESH_Algo*) aMesh.GetHypothesis( aSubMesh, filter, true, &assignedToShape2 );
1079 if ( algo2 && // algo found
1080 !assignedToShape2.IsSame( aMesh.GetShapeToMesh() ) && // algo is local
1081 ( SMESH_MesherHelper::GetGroupType( assignedToShape2 ) == // algo of the same level
1082 SMESH_MesherHelper::GetGroupType( assignedToShape )) &&
1083 aMesh.IsOrderOK( aMesh.GetSubMesh( assignedToShape2 ), // no forced order
1084 aMesh.GetSubMesh( assignedToShape )))
1086 // get algos on the adjacent SOLIDs
1087 filter.Init( filter.IsAlgo() ).And( filter.HasDim( 3 ));
1088 vector< SMESH_Algo* > algos3D;
1089 PShapeIteratorPtr solidIt = SMESH_MesherHelper::GetAncestors( aShape, aMesh,
1091 while ( const TopoDS_Shape* solid = solidIt->next() )
1092 if ( SMESH_Algo* algo3D = (SMESH_Algo*) aMesh.GetHypothesis( *solid, filter, true ))
1094 algos3D.push_back( algo3D );
1095 filter.AndNot( filter.HasName( algo3D->GetName() ));
1097 // check compatibility of algos
1098 if ( algos3D.size() > 1 )
1100 const AlgoData& algoData = algo->SMESH_Algo::GetFeatures();
1101 const AlgoData& algoData2 = algo2->SMESH_Algo::GetFeatures();
1102 const AlgoData& algoData3d0 = algos3D[0]->SMESH_Algo::GetFeatures();
1103 const AlgoData& algoData3d1 = algos3D[1]->SMESH_Algo::GetFeatures();
1104 if (( algoData2.IsCompatible( algoData3d0 ) &&
1105 algoData2.IsCompatible( algoData3d1 ))
1107 !(algoData.IsCompatible( algoData3d0 ) &&
1108 algoData.IsCompatible( algoData3d1 )))
1114 if ( assignedTo && algo )
1115 * assignedTo = assignedToShape;
1120 //=============================================================================
1122 * Returns StudyContextStruct for a study
1124 //=============================================================================
1126 StudyContextStruct *SMESH_Gen::GetStudyContext(int studyId)
1128 // Get studyContext, create it if it does'nt exist, with a SMESHDS_Document
1130 if (_mapStudyContext.find(studyId) == _mapStudyContext.end())
1132 _mapStudyContext[studyId] = new StudyContextStruct;
1133 _mapStudyContext[studyId]->myDocument = new SMESHDS_Document(studyId);
1135 StudyContextStruct *myStudyContext = _mapStudyContext[studyId];
1136 return myStudyContext;
1139 //================================================================================
1141 * \brief Return shape dimension by TopAbs_ShapeEnum
1143 //================================================================================
1145 int SMESH_Gen::GetShapeDim(const TopAbs_ShapeEnum & aShapeType)
1147 static vector<int> dim;
1150 dim.resize( TopAbs_SHAPE, -1 );
1151 dim[ TopAbs_COMPOUND ] = MeshDim_3D;
1152 dim[ TopAbs_COMPSOLID ] = MeshDim_3D;
1153 dim[ TopAbs_SOLID ] = MeshDim_3D;
1154 dim[ TopAbs_SHELL ] = MeshDim_2D;
1155 dim[ TopAbs_FACE ] = MeshDim_2D;
1156 dim[ TopAbs_WIRE ] = MeshDim_1D;
1157 dim[ TopAbs_EDGE ] = MeshDim_1D;
1158 dim[ TopAbs_VERTEX ] = MeshDim_0D;
1160 return dim[ aShapeType ];
1163 //=============================================================================
1165 * Genarate a new id unique withing this Gen
1167 //=============================================================================
1169 int SMESH_Gen::GetANewId()