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_MesherHelper.hxx"
39 #include "SMESH_subMesh.hxx"
41 #include "utilities.h"
43 #include "Utils_ExceptHandlers.hxx"
45 #include <TopoDS_Iterator.hxx>
56 //#include <vtkDebugLeaks.h>
59 //=============================================================================
63 //=============================================================================
65 SMESH_Gen::SMESH_Gen()
69 _segmentation = _nbSegments = 10;
70 SMDS_Mesh::_meshList.clear();
71 _compute_canceled = false;
72 //vtkDebugLeaks::SetExitError(0);
75 //=============================================================================
79 //=============================================================================
81 SMESH_Gen::~SMESH_Gen()
83 std::map < int, StudyContextStruct * >::iterator i_sc = _mapStudyContext.begin();
84 for ( ; i_sc != _mapStudyContext.end(); ++i_sc )
86 delete i_sc->second->myDocument;
91 //=============================================================================
93 * Creates a mesh in a study.
94 * if (theIsEmbeddedMode) { mesh modification commands are not logged }
96 //=============================================================================
98 SMESH_Mesh* SMESH_Gen::CreateMesh(int theStudyId, bool theIsEmbeddedMode)
99 throw(SALOME_Exception)
101 Unexpect aCatch(SalomeException);
103 // Get studyContext, create it if it does'nt exist, with a SMESHDS_Document
104 StudyContextStruct *aStudyContext = GetStudyContext(theStudyId);
106 // create a new SMESH_mesh object
107 SMESH_Mesh *aMesh = new SMESH_Mesh(_localId++,
111 aStudyContext->myDocument);
112 aStudyContext->mapMesh[_localId-1] = aMesh;
117 //=============================================================================
121 //=============================================================================
123 bool SMESH_Gen::Compute(SMESH_Mesh & aMesh,
124 const TopoDS_Shape & aShape,
125 const bool aShapeOnly /*=false*/,
126 const bool anUpward /*=false*/,
127 const ::MeshDimension aDim /*=::MeshDim_3D*/,
128 TSetOfInt* aShapesId /*=0*/)
134 SMESH_subMesh *sm = aMesh.GetSubMesh(aShape);
136 const bool includeSelf = true;
137 const bool complexShapeFirst = true;
138 const int globalAlgoDim = 100;
140 SMESH_subMeshIteratorPtr smIt;
142 // Fix of Issue 22150. Due to !BLSURF->OnlyUnaryInput(), BLSURF computes edges
143 // that must be computed by Projection 1D-2D when Projection asks to compute
145 SMESH_subMesh::compute_event computeEvent =
146 aShapeOnly ? SMESH_subMesh::COMPUTE_SUBMESH : SMESH_subMesh::COMPUTE;
148 if ( anUpward ) // is called from the below code in this method
150 // ===============================================
151 // Mesh all the sub-shapes starting from vertices
152 // ===============================================
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 TopoDS_Shape& shape = smToCompute->GetSubShape();
161 const TopAbs_ShapeEnum shapeType = shape.ShapeType();
162 if ( !aMesh.HasShapeToMesh() && shapeType == TopAbs_VERTEX )
165 // check for preview dimension limitations
166 if ( aShapesId && GetShapeDim( shapeType ) > (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 if (_compute_canceled)
178 setCurrentSubMesh( smToCompute );
179 smToCompute->ComputeStateEngine( computeEvent );
180 setCurrentSubMesh( NULL );
183 // we check all the sub-meshes here and detect if any of them failed to compute
184 if (smToCompute->GetComputeState() == SMESH_subMesh::FAILED_TO_COMPUTE &&
185 ( shapeType != TopAbs_EDGE || !SMESH_Algo::isDegenerated( TopoDS::Edge( shape ))))
187 else if ( aShapesId )
188 aShapesId->insert( smToCompute->GetId() );
190 //aMesh.GetMeshDS()->Modified();
195 // ================================================================
196 // Apply algos that do NOT require discreteized boundaries
197 // ("all-dimensional") and do NOT support sub-meshes, starting from
198 // the most complex shapes and collect sub-meshes with algos that
199 // DO support sub-meshes
200 // ================================================================
202 list< SMESH_subMesh* > smWithAlgoSupportingSubmeshes[4]; // for each dim
204 // map to sort sm with same dim algos according to dim of
205 // the shape the algo assigned to (issue 0021217).
206 // Other issues influenced the algo applying order:
207 // 21406, 21556, 21893, 20206
208 multimap< int, SMESH_subMesh* > shDim2sm;
209 multimap< int, SMESH_subMesh* >::reverse_iterator shDim2smIt;
210 TopoDS_Shape algoShape;
211 int prevShapeDim = -1, aShapeDim;
213 smIt = sm->getDependsOnIterator(includeSelf, complexShapeFirst);
214 while ( smIt->more() )
216 SMESH_subMesh* smToCompute = smIt->next();
217 if ( smToCompute->GetComputeState() != SMESH_subMesh::READY_TO_COMPUTE )
220 const TopoDS_Shape& aSubShape = smToCompute->GetSubShape();
221 aShapeDim = GetShapeDim( aSubShape );
222 if ( aShapeDim < 1 ) break;
224 // check for preview dimension limitations
225 if ( aShapesId && aShapeDim > (int)aDim )
228 SMESH_Algo* algo = GetAlgo( smToCompute, &algoShape );
229 if ( algo && !algo->NeedDiscreteBoundary() )
231 if ( algo->SupportSubmeshes() )
233 // reload sub-meshes from shDim2sm into smWithAlgoSupportingSubmeshes
234 // so that more local algos to go first
235 if ( prevShapeDim != aShapeDim )
237 prevShapeDim = aShapeDim;
238 for ( shDim2smIt = shDim2sm.rbegin(); shDim2smIt != shDim2sm.rend(); ++shDim2smIt )
239 if ( shDim2smIt->first == globalAlgoDim )
240 smWithAlgoSupportingSubmeshes[ aShapeDim ].push_back( shDim2smIt->second );
242 smWithAlgoSupportingSubmeshes[ aShapeDim ].push_front( shDim2smIt->second );
245 // add smToCompute to shDim2sm map
246 if ( algoShape.IsSame( aMesh.GetShapeToMesh() ))
248 aShapeDim = globalAlgoDim; // to compute last
252 aShapeDim = GetShapeDim( algoShape );
253 if ( algoShape.ShapeType() == TopAbs_COMPOUND )
255 TopoDS_Iterator it( algoShape );
256 aShapeDim += GetShapeDim( it.Value() );
259 shDim2sm.insert( make_pair( aShapeDim, smToCompute ));
261 else // Compute w/o support of sub-meshes
263 if (_compute_canceled)
265 setCurrentSubMesh( smToCompute );
266 smToCompute->ComputeStateEngine( computeEvent );
267 setCurrentSubMesh( NULL );
269 aShapesId->insert( smToCompute->GetId() );
273 // reload sub-meshes from shDim2sm into smWithAlgoSupportingSubmeshes
274 for ( shDim2smIt = shDim2sm.rbegin(); shDim2smIt != shDim2sm.rend(); ++shDim2smIt )
275 if ( shDim2smIt->first == globalAlgoDim )
276 smWithAlgoSupportingSubmeshes[3].push_back( shDim2smIt->second );
278 smWithAlgoSupportingSubmeshes[0].push_front( shDim2smIt->second );
280 // ======================================================
281 // Apply all-dimensional algorithms supporing sub-meshes
282 // ======================================================
284 std::vector< SMESH_subMesh* > smVec;
285 for ( aShapeDim = 0; aShapeDim < 4; ++aShapeDim )
287 // ------------------------------------------------
288 // sort list of sub-meshes according to mesh order
289 // ------------------------------------------------
290 smVec.assign( smWithAlgoSupportingSubmeshes[ aShapeDim ].begin(),
291 smWithAlgoSupportingSubmeshes[ aShapeDim ].end() );
292 aMesh.SortByMeshOrder( smVec );
294 // ------------------------------------------------------------
295 // compute sub-meshes with local uni-dimensional algos under
296 // sub-meshes with all-dimensional algos
297 // ------------------------------------------------------------
298 // start from lower shapes
299 for ( size_t i = 0; i < smVec.size(); ++i )
303 // get a shape the algo is assigned to
304 if ( !GetAlgo( sm, & algoShape ))
305 continue; // strange...
307 // look for more local algos
308 smIt = sm->getDependsOnIterator(!includeSelf, !complexShapeFirst);
309 while ( smIt->more() )
311 SMESH_subMesh* smToCompute = smIt->next();
313 const TopoDS_Shape& aSubShape = smToCompute->GetSubShape();
314 const int aShapeDim = GetShapeDim( aSubShape );
315 //if ( aSubShape.ShapeType() == TopAbs_VERTEX ) continue;
316 if ( aShapeDim < 1 ) continue;
318 // check for preview dimension limitations
319 if ( aShapesId && GetShapeDim( aSubShape.ShapeType() ) > (int)aDim )
322 SMESH_HypoFilter filter( SMESH_HypoFilter::IsAlgo() );
324 .And( SMESH_HypoFilter::IsApplicableTo( aSubShape ))
325 .And( SMESH_HypoFilter::IsMoreLocalThan( algoShape, aMesh ));
327 if ( SMESH_Algo* subAlgo = (SMESH_Algo*) aMesh.GetHypothesis( smToCompute, filter, true))
329 if ( ! subAlgo->NeedDiscreteBoundary() ) continue;
330 SMESH_Hypothesis::Hypothesis_Status status;
331 if ( subAlgo->CheckHypothesis( aMesh, aSubShape, status ))
332 // mesh a lower smToCompute starting from vertices
333 Compute( aMesh, aSubShape, aShapeOnly, /*anUpward=*/true, aDim, aShapesId );
337 // --------------------------------
338 // apply the all-dimensional algos
339 // --------------------------------
340 for ( size_t i = 0; i < smVec.size(); ++i )
343 if ( sm->GetComputeState() == SMESH_subMesh::READY_TO_COMPUTE)
345 const TopAbs_ShapeEnum shapeType = sm->GetSubShape().ShapeType();
346 // check for preview dimension limitations
347 if ( aShapesId && GetShapeDim( shapeType ) > (int)aDim )
350 if (_compute_canceled)
352 setCurrentSubMesh( sm );
353 sm->ComputeStateEngine( computeEvent );
354 setCurrentSubMesh( NULL );
356 aShapesId->insert( sm->GetId() );
359 } // loop on shape dimensions
361 // -----------------------------------------------
362 // mesh the rest sub-shapes starting from vertices
363 // -----------------------------------------------
364 ret = Compute( aMesh, aShape, aShapeOnly, /*anUpward=*/true, aDim, aShapesId );
369 SMESHDS_Mesh *myMesh = aMesh.GetMeshDS();
370 //MESSAGE("*** compactMesh after compute");
371 myMesh->compactMesh();
373 // fix quadratic mesh by bending iternal links near concave boundary
374 if ( aShape.IsSame( aMesh.GetShapeToMesh() ) &&
375 !aShapesId && // not preview
376 ret ) // everything is OK
378 SMESH_MesherHelper aHelper( aMesh );
379 if ( aHelper.IsQuadraticMesh() != SMESH_MesherHelper::LINEAR )
381 aHelper.FixQuadraticElements( sm->GetComputeError() );
387 //=============================================================================
389 * Prepare Compute a mesh
391 //=============================================================================
392 void SMESH_Gen::PrepareCompute(SMESH_Mesh & aMesh,
393 const TopoDS_Shape & aShape)
395 _compute_canceled = false;
396 resetCurrentSubMesh();
399 //=============================================================================
401 * Cancel Compute a mesh
403 //=============================================================================
404 void SMESH_Gen::CancelCompute(SMESH_Mesh & aMesh,
405 const TopoDS_Shape & aShape)
407 _compute_canceled = true;
408 if ( const SMESH_subMesh* sm = GetCurrentSubMesh() )
410 const_cast< SMESH_subMesh* >( sm )->ComputeStateEngine( SMESH_subMesh::COMPUTE_CANCELED );
412 resetCurrentSubMesh();
415 //================================================================================
417 * \brief Returns a sub-mesh being currently computed
419 //================================================================================
421 const SMESH_subMesh* SMESH_Gen::GetCurrentSubMesh() const
423 return _sm_current.empty() ? 0 : _sm_current.back();
426 //================================================================================
428 * \brief Sets a sub-mesh being currently computed.
430 * An algorithm can call Compute() for a sub-shape, hence we keep a stack of sub-meshes
432 //================================================================================
434 void SMESH_Gen::setCurrentSubMesh(SMESH_subMesh* sm)
437 _sm_current.push_back( sm );
439 else if ( !_sm_current.empty() )
440 _sm_current.pop_back();
443 void SMESH_Gen::resetCurrentSubMesh()
448 //=============================================================================
452 //=============================================================================
454 bool SMESH_Gen::Evaluate(SMESH_Mesh & aMesh,
455 const TopoDS_Shape & aShape,
456 MapShapeNbElems& aResMap,
458 TSetOfInt* aShapesId)
462 SMESH_subMesh *sm = aMesh.GetSubMesh(aShape);
464 const bool includeSelf = true;
465 const bool complexShapeFirst = true;
466 SMESH_subMeshIteratorPtr smIt;
468 if ( anUpward ) { // is called from below code here
469 // -----------------------------------------------
470 // mesh all the sub-shapes starting from vertices
471 // -----------------------------------------------
472 smIt = sm->getDependsOnIterator(includeSelf, !complexShapeFirst);
473 while ( smIt->more() ) {
474 SMESH_subMesh* smToCompute = smIt->next();
476 // do not mesh vertices of a pseudo shape
477 const TopAbs_ShapeEnum shapeType = smToCompute->GetSubShape().ShapeType();
478 //if ( !aMesh.HasShapeToMesh() && shapeType == TopAbs_VERTEX )
480 if ( !aMesh.HasShapeToMesh() ) {
481 if( shapeType == TopAbs_VERTEX || shapeType == TopAbs_WIRE ||
482 shapeType == TopAbs_SHELL )
486 smToCompute->Evaluate(aResMap);
488 aShapesId->insert( smToCompute->GetId() );
493 // -----------------------------------------------------------------
494 // apply algos that DO NOT require Discreteized boundaries and DO NOT
495 // support sub-meshes, starting from the most complex shapes
496 // and collect sub-meshes with algos that DO support sub-meshes
497 // -----------------------------------------------------------------
498 list< SMESH_subMesh* > smWithAlgoSupportingSubmeshes;
499 smIt = sm->getDependsOnIterator(includeSelf, complexShapeFirst);
500 while ( smIt->more() ) {
501 SMESH_subMesh* smToCompute = smIt->next();
502 const TopoDS_Shape& aSubShape = smToCompute->GetSubShape();
503 const int aShapeDim = GetShapeDim( aSubShape );
504 if ( aShapeDim < 1 ) break;
506 SMESH_Algo* algo = GetAlgo( smToCompute );
507 if ( algo && !algo->NeedDiscreteBoundary() ) {
508 if ( algo->SupportSubmeshes() ) {
509 smWithAlgoSupportingSubmeshes.push_front( smToCompute );
512 smToCompute->Evaluate(aResMap);
514 aShapesId->insert( smToCompute->GetId() );
519 // ------------------------------------------------------------
520 // sort list of meshes according to mesh order
521 // ------------------------------------------------------------
522 std::vector< SMESH_subMesh* > smVec( smWithAlgoSupportingSubmeshes.begin(),
523 smWithAlgoSupportingSubmeshes.end() );
524 aMesh.SortByMeshOrder( smVec );
526 // ------------------------------------------------------------
527 // compute sub-meshes under shapes with algos that DO NOT require
528 // Discreteized boundaries and DO support sub-meshes
529 // ------------------------------------------------------------
530 // start from lower shapes
531 for ( size_t i = 0; i < smVec.size(); ++i )
535 // get a shape the algo is assigned to
536 TopoDS_Shape algoShape;
537 if ( !GetAlgo( sm, & algoShape ))
538 continue; // strange...
540 // look for more local algos
541 smIt = sm->getDependsOnIterator(!includeSelf, !complexShapeFirst);
542 while ( smIt->more() ) {
543 SMESH_subMesh* smToCompute = smIt->next();
545 const TopoDS_Shape& aSubShape = smToCompute->GetSubShape();
546 const int aShapeDim = GetShapeDim( aSubShape );
547 if ( aShapeDim < 1 ) continue;
549 SMESH_HypoFilter filter( SMESH_HypoFilter::IsAlgo() );
551 .And( SMESH_HypoFilter::IsApplicableTo( aSubShape ))
552 .And( SMESH_HypoFilter::IsMoreLocalThan( algoShape, aMesh ));
554 if ( SMESH_Algo* subAlgo = (SMESH_Algo*) aMesh.GetHypothesis( smToCompute, filter, true ))
556 if ( ! subAlgo->NeedDiscreteBoundary() ) continue;
557 SMESH_Hypothesis::Hypothesis_Status status;
558 if ( subAlgo->CheckHypothesis( aMesh, aSubShape, status ))
559 // mesh a lower smToCompute starting from vertices
560 Evaluate( aMesh, aSubShape, aResMap, /*anUpward=*/true, aShapesId );
564 // ----------------------------------------------------------
565 // apply the algos that do not require Discreteized boundaries
566 // ----------------------------------------------------------
567 for ( size_t i = 0; i < smVec.size(); ++i )
570 sm->Evaluate(aResMap);
572 aShapesId->insert( sm->GetId() );
575 // -----------------------------------------------
576 // mesh the rest sub-shapes starting from vertices
577 // -----------------------------------------------
578 ret = Evaluate( aMesh, aShape, aResMap, /*anUpward=*/true, aShapesId );
581 MESSAGE( "VSR - SMESH_Gen::Evaluate() finished, OK = " << ret);
586 //=======================================================================
587 //function : checkConformIgnoredAlgos
589 //=======================================================================
591 static bool checkConformIgnoredAlgos(SMESH_Mesh& aMesh,
592 SMESH_subMesh* aSubMesh,
593 const SMESH_Algo* aGlobIgnoAlgo,
594 const SMESH_Algo* aLocIgnoAlgo,
596 set<SMESH_subMesh*>& aCheckedMap,
597 list< SMESH_Gen::TAlgoStateError > & theErrors)
600 if ( aSubMesh->GetSubShape().ShapeType() == TopAbs_VERTEX)
606 const list<const SMESHDS_Hypothesis*>& listHyp =
607 aMesh.GetMeshDS()->GetHypothesis( aSubMesh->GetSubShape() );
608 list<const SMESHDS_Hypothesis*>::const_iterator it=listHyp.begin();
609 for ( ; it != listHyp.end(); it++)
611 const SMESHDS_Hypothesis * aHyp = *it;
612 if (aHyp->GetType() == SMESHDS_Hypothesis::PARAM_ALGO)
615 const SMESH_Algo* algo = dynamic_cast<const SMESH_Algo*> (aHyp);
618 if ( aLocIgnoAlgo ) // algo is hidden by a local algo of upper dim
620 theErrors.push_back( SMESH_Gen::TAlgoStateError() );
621 theErrors.back().Set( SMESH_Hypothesis::HYP_HIDDEN_ALGO, algo, false );
622 INFOS( "Local <" << algo->GetName() << "> is hidden by local <"
623 << aLocIgnoAlgo->GetName() << ">");
627 bool isGlobal = (aMesh.IsMainShape( aSubMesh->GetSubShape() ));
628 int dim = algo->GetDim();
629 int aMaxGlobIgnoDim = ( aGlobIgnoAlgo ? aGlobIgnoAlgo->GetDim() : -1 );
630 bool isNeededDim = ( aGlobIgnoAlgo ? aGlobIgnoAlgo->NeedLowerHyps( dim ) : false );
632 if (( dim < aMaxGlobIgnoDim && !isNeededDim ) &&
633 ( isGlobal || !aGlobIgnoAlgo->SupportSubmeshes() ))
635 // algo is hidden by a global algo
636 theErrors.push_back( SMESH_Gen::TAlgoStateError() );
637 theErrors.back().Set( SMESH_Hypothesis::HYP_HIDDEN_ALGO, algo, true );
638 INFOS( ( isGlobal ? "Global" : "Local" )
639 << " <" << algo->GetName() << "> is hidden by global <"
640 << aGlobIgnoAlgo->GetName() << ">");
642 else if ( !algo->NeedDiscreteBoundary() && !isGlobal)
644 // local algo is not hidden and hides algos on sub-shapes
645 if (checkConform && !aSubMesh->IsConform( algo ))
648 checkConform = false; // no more check conformity
649 INFOS( "ERROR: Local <" << algo->GetName() <<
650 "> would produce not conform mesh: "
651 "<Not Conform Mesh Allowed> hypotesis is missing");
652 theErrors.push_back( SMESH_Gen::TAlgoStateError() );
653 theErrors.back().Set( SMESH_Hypothesis::HYP_NOTCONFORM, algo, false );
656 // sub-algos will be hidden by a local <algo> if <algo> does not support sub-meshes
657 if ( algo->SupportSubmeshes() )
659 SMESH_subMeshIteratorPtr revItSub =
660 aSubMesh->getDependsOnIterator( /*includeSelf=*/false, /*complexShapeFirst=*/true);
661 bool checkConform2 = false;
662 while ( revItSub->more() )
664 SMESH_subMesh* sm = revItSub->next();
665 checkConformIgnoredAlgos (aMesh, sm, aGlobIgnoAlgo,
666 algo, checkConform2, aCheckedMap, theErrors);
667 aCheckedMap.insert( sm );
676 //=======================================================================
677 //function : checkMissing
678 //purpose : notify on missing hypothesis
679 // Return false if algo or hipothesis is missing
680 //=======================================================================
682 static bool checkMissing(SMESH_Gen* aGen,
684 SMESH_subMesh* aSubMesh,
685 const int aTopAlgoDim,
687 const bool checkNoAlgo,
688 set<SMESH_subMesh*>& aCheckedMap,
689 list< SMESH_Gen::TAlgoStateError > & theErrors)
691 switch ( aSubMesh->GetSubShape().ShapeType() )
695 case TopAbs_SOLID: break; // check this sub-mesh, it can be meshed
697 return true; // not meshable sub-mesh
699 if ( aCheckedMap.count( aSubMesh ))
703 SMESH_Algo* algo = 0;
705 switch (aSubMesh->GetAlgoState())
707 case SMESH_subMesh::NO_ALGO: {
710 // should there be any algo?
711 int shapeDim = SMESH_Gen::GetShapeDim( aSubMesh->GetSubShape() );
712 if (aTopAlgoDim > shapeDim)
714 MESSAGE( "ERROR: " << shapeDim << "D algorithm is missing" );
716 theErrors.push_back( SMESH_Gen::TAlgoStateError() );
717 theErrors.back().Set( SMESH_Hypothesis::HYP_MISSING, shapeDim, true );
722 case SMESH_subMesh::MISSING_HYP: {
723 // notify if an algo missing hyp is attached to aSubMesh
724 algo = aSubMesh->GetAlgo();
726 bool IsGlobalHypothesis = aGen->IsGlobalHypothesis( algo, aMesh );
727 if (!IsGlobalHypothesis || !globalChecked[ algo->GetDim() ])
729 TAlgoStateErrorName errName = SMESH_Hypothesis::HYP_MISSING;
730 SMESH_Hypothesis::Hypothesis_Status status;
731 algo->CheckHypothesis( aMesh, aSubMesh->GetSubShape(), status );
732 if ( status == SMESH_Hypothesis::HYP_BAD_PARAMETER ) {
733 MESSAGE( "ERROR: hypothesis of " << (IsGlobalHypothesis ? "Global " : "Local ")
734 << "<" << algo->GetName() << "> has a bad parameter value");
736 } else if ( status == SMESH_Hypothesis::HYP_BAD_GEOMETRY ) {
737 MESSAGE( "ERROR: " << (IsGlobalHypothesis ? "Global " : "Local ")
738 << "<" << algo->GetName() << "> assigned to mismatching geometry");
741 MESSAGE( "ERROR: " << (IsGlobalHypothesis ? "Global " : "Local ")
742 << "<" << algo->GetName() << "> misses some hypothesis");
744 if (IsGlobalHypothesis)
745 globalChecked[ algo->GetDim() ] = true;
746 theErrors.push_back( SMESH_Gen::TAlgoStateError() );
747 theErrors.back().Set( errName, algo, IsGlobalHypothesis );
752 case SMESH_subMesh::HYP_OK:
753 algo = aSubMesh->GetAlgo();
755 if (!algo->NeedDiscreteBoundary())
757 SMESH_subMeshIteratorPtr itsub = aSubMesh->getDependsOnIterator( /*includeSelf=*/false,
758 /*complexShapeFirst=*/false);
759 while ( itsub->more() )
760 aCheckedMap.insert( itsub->next() );
766 // do not check under algo that hides sub-algos or
767 // re-start checking NO_ALGO state
769 bool isTopLocalAlgo =
770 ( aTopAlgoDim <= algo->GetDim() && !aGen->IsGlobalHypothesis( algo, aMesh ));
771 if (!algo->NeedDiscreteBoundary() || isTopLocalAlgo)
773 bool checkNoAlgo2 = ( algo->NeedDiscreteBoundary() );
774 SMESH_subMeshIteratorPtr itsub = aSubMesh->getDependsOnIterator( /*includeSelf=*/false,
775 /*complexShapeFirst=*/true);
776 while ( itsub->more() )
778 // sub-meshes should not be checked further more
779 SMESH_subMesh* sm = itsub->next();
783 //check algo on sub-meshes
784 int aTopAlgoDim2 = algo->GetDim();
785 if (!checkMissing (aGen, aMesh, sm, aTopAlgoDim2,
786 globalChecked, checkNoAlgo2, aCheckedMap, theErrors))
789 if (sm->GetAlgoState() == SMESH_subMesh::NO_ALGO )
790 checkNoAlgo2 = false;
793 aCheckedMap.insert( sm );
799 //=======================================================================
800 //function : CheckAlgoState
801 //purpose : notify on bad state of attached algos, return false
802 // if Compute() would fail because of some algo bad state
803 //=======================================================================
805 bool SMESH_Gen::CheckAlgoState(SMESH_Mesh& aMesh, const TopoDS_Shape& aShape)
807 list< TAlgoStateError > errors;
808 return GetAlgoState( aMesh, aShape, errors );
811 //=======================================================================
812 //function : GetAlgoState
813 //purpose : notify on bad state of attached algos, return false
814 // if Compute() would fail because of some algo bad state
815 // theErrors list contains problems description
816 //=======================================================================
818 bool SMESH_Gen::GetAlgoState(SMESH_Mesh& theMesh,
819 const TopoDS_Shape& theShape,
820 list< TAlgoStateError > & theErrors)
823 bool hasAlgo = false;
825 SMESH_subMesh* sm = theMesh.GetSubMesh(theShape);
826 const SMESHDS_Mesh* meshDS = theMesh.GetMeshDS();
827 TopoDS_Shape mainShape = meshDS->ShapeToMesh();
833 const SMESH_Algo* aGlobAlgoArr[] = {0,0,0,0};
835 const list<const SMESHDS_Hypothesis*>& listHyp = meshDS->GetHypothesis( mainShape );
836 list<const SMESHDS_Hypothesis*>::const_iterator it=listHyp.begin();
837 for ( ; it != listHyp.end(); it++)
839 const SMESHDS_Hypothesis * aHyp = *it;
840 if (aHyp->GetType() == SMESHDS_Hypothesis::PARAM_ALGO)
843 const SMESH_Algo* algo = dynamic_cast<const SMESH_Algo*> (aHyp);
846 int dim = algo->GetDim();
847 aGlobAlgoArr[ dim ] = algo;
852 // --------------------------------------------------------
853 // info on algos that will be ignored because of ones that
854 // don't NeedDiscreteBoundary() attached to super-shapes,
855 // check that a conform mesh will be produced
856 // --------------------------------------------------------
859 // find a global algo possibly hiding sub-algos
861 const SMESH_Algo* aGlobIgnoAlgo = 0;
862 for (dim = 3; dim > 0; dim--)
864 if (aGlobAlgoArr[ dim ] &&
865 !aGlobAlgoArr[ dim ]->NeedDiscreteBoundary() /*&&
866 !aGlobAlgoArr[ dim ]->SupportSubmeshes()*/ )
868 aGlobIgnoAlgo = aGlobAlgoArr[ dim ];
873 set<SMESH_subMesh*> aCheckedSubs;
874 bool checkConform = ( !theMesh.IsNotConformAllowed() );
876 // loop on theShape and its sub-shapes
877 SMESH_subMeshIteratorPtr revItSub = sm->getDependsOnIterator( /*includeSelf=*/true,
878 /*complexShapeFirst=*/true);
879 while ( revItSub->more() )
881 SMESH_subMesh* smToCheck = revItSub->next();
882 if ( smToCheck->GetSubShape().ShapeType() == TopAbs_VERTEX)
885 if ( aCheckedSubs.insert( smToCheck ).second ) // not yet checked
886 if (!checkConformIgnoredAlgos (theMesh, smToCheck, aGlobIgnoAlgo,
887 0, checkConform, aCheckedSubs, theErrors))
890 if ( smToCheck->GetAlgoState() != SMESH_subMesh::NO_ALGO )
894 // ----------------------------------------------------------------
895 // info on missing hypothesis and find out if all needed algos are
897 // ----------------------------------------------------------------
899 // find max dim of global algo
901 for (dim = 3; dim > 0; dim--)
903 if (aGlobAlgoArr[ dim ])
909 bool checkNoAlgo = theMesh.HasShapeToMesh() ? bool( aTopAlgoDim ) : false;
910 bool globalChecked[] = { false, false, false, false };
912 // loop on theShape and its sub-shapes
913 aCheckedSubs.clear();
914 revItSub = sm->getDependsOnIterator( /*includeSelf=*/true, /*complexShapeFirst=*/true);
915 while ( revItSub->more() )
917 SMESH_subMesh* smToCheck = revItSub->next();
918 if ( smToCheck->GetSubShape().ShapeType() == TopAbs_VERTEX)
921 if (!checkMissing (this, theMesh, smToCheck, aTopAlgoDim,
922 globalChecked, checkNoAlgo, aCheckedSubs, theErrors))
925 if (smToCheck->GetAlgoState() == SMESH_subMesh::NO_ALGO )
932 theErrors.push_back( TAlgoStateError() );
933 theErrors.back().Set( SMESH_Hypothesis::HYP_MISSING, theMesh.HasShapeToMesh() ? 1 : 3, true );
939 //=======================================================================
940 //function : IsGlobalHypothesis
941 //purpose : check if theAlgo is attached to the main shape
942 //=======================================================================
944 bool SMESH_Gen::IsGlobalHypothesis(const SMESH_Hypothesis* theHyp, SMESH_Mesh& aMesh)
946 SMESH_HypoFilter filter( SMESH_HypoFilter::Is( theHyp ));
947 return aMesh.GetHypothesis( aMesh.GetMeshDS()->ShapeToMesh(), filter, false );
950 //================================================================================
952 * \brief Return paths to xml files of plugins
954 //================================================================================
956 std::vector< std::string > SMESH_Gen::GetPluginXMLPaths()
958 // Get paths to xml files of plugins
959 vector< string > xmlPaths;
961 if ( const char* meshersList = getenv("SMESH_MeshersList") )
963 string meshers = meshersList, plugin;
964 string::size_type from = 0, pos;
965 while ( from < meshers.size() )
967 // cut off plugin name
968 pos = meshers.find( ':', from );
969 if ( pos != string::npos )
970 plugin = meshers.substr( from, pos-from );
972 plugin = meshers.substr( from ), pos = meshers.size();
975 // get PLUGIN_ROOT_DIR path
976 string rootDirVar, pluginSubDir = plugin;
977 if ( plugin == "StdMeshers" )
978 rootDirVar = "SMESH", pluginSubDir = "smesh";
980 for ( pos = 0; pos < plugin.size(); ++pos )
981 rootDirVar += toupper( plugin[pos] );
982 rootDirVar += "_ROOT_DIR";
984 const char* rootDir = getenv( rootDirVar.c_str() );
985 if ( !rootDir || strlen(rootDir) == 0 )
987 rootDirVar = plugin + "_ROOT_DIR"; // HexoticPLUGIN_ROOT_DIR
988 rootDir = getenv( rootDirVar.c_str() );
989 if ( !rootDir || strlen(rootDir) == 0 ) continue;
992 // get a separator from rootDir
993 for ( pos = strlen( rootDir )-1; pos >= 0 && sep.empty(); --pos )
994 if ( rootDir[pos] == '/' || rootDir[pos] == '\\' )
1000 if (sep.empty() ) sep = "\\";
1002 if (sep.empty() ) sep = "/";
1005 // get a path to resource file
1006 string xmlPath = rootDir;
1007 if ( xmlPath[ xmlPath.size()-1 ] != sep[0] )
1009 xmlPath += "share" + sep + "salome" + sep + "resources" + sep;
1010 for ( pos = 0; pos < pluginSubDir.size(); ++pos )
1011 xmlPath += tolower( pluginSubDir[pos] );
1012 xmlPath += sep + plugin + ".xml";
1015 fileOK = (GetFileAttributes(xmlPath.c_str()) != INVALID_FILE_ATTRIBUTES);
1017 fileOK = (access(xmlPath.c_str(), F_OK) == 0);
1020 xmlPaths.push_back( xmlPath );
1027 //=============================================================================
1029 * Finds algo to mesh a shape. Optionally returns a shape the found algo is bound to
1031 //=============================================================================
1033 SMESH_Algo *SMESH_Gen::GetAlgo(SMESH_Mesh & aMesh,
1034 const TopoDS_Shape & aShape,
1035 TopoDS_Shape* assignedTo)
1037 return GetAlgo( aMesh.GetSubMesh( aShape ), assignedTo );
1040 //=============================================================================
1042 * Finds algo to mesh a sub-mesh. Optionally returns a shape the found algo is bound to
1044 //=============================================================================
1046 SMESH_Algo *SMESH_Gen::GetAlgo(SMESH_subMesh * aSubMesh,
1047 TopoDS_Shape* assignedTo)
1049 if ( !aSubMesh ) return 0;
1051 const TopoDS_Shape & aShape = aSubMesh->GetSubShape();
1052 SMESH_Mesh& aMesh = *aSubMesh->GetFather();
1054 SMESH_HypoFilter filter( SMESH_HypoFilter::IsAlgo() );
1055 filter.And( filter.IsApplicableTo( aShape ));
1057 typedef SMESH_Algo::Features AlgoData;
1059 TopoDS_Shape assignedToShape;
1061 (SMESH_Algo*) aMesh.GetHypothesis( aSubMesh, filter, true, &assignedToShape );
1064 aShape.ShapeType() == TopAbs_FACE &&
1065 !aShape.IsSame( assignedToShape ) &&
1066 SMESH_MesherHelper::NbAncestors( aShape, aMesh, TopAbs_SOLID ) > 1 )
1068 // Issue 0021559. If there is another 2D algo with different types of output
1069 // elements that can be used to mesh aShape, and 3D algos on adjacent SOLIDs
1070 // have different types of input elements, we choose a most appropriate 2D algo.
1072 // try to find a concurrent 2D algo
1073 filter.AndNot( filter.Is( algo ));
1074 TopoDS_Shape assignedToShape2;
1076 (SMESH_Algo*) aMesh.GetHypothesis( aSubMesh, filter, true, &assignedToShape2 );
1077 if ( algo2 && // algo found
1078 !assignedToShape2.IsSame( aMesh.GetShapeToMesh() ) && // algo is local
1079 ( SMESH_MesherHelper::GetGroupType( assignedToShape2 ) == // algo of the same level
1080 SMESH_MesherHelper::GetGroupType( assignedToShape )) &&
1081 aMesh.IsOrderOK( aMesh.GetSubMesh( assignedToShape2 ), // no forced order
1082 aMesh.GetSubMesh( assignedToShape )))
1084 // get algos on the adjacent SOLIDs
1085 filter.Init( filter.IsAlgo() ).And( filter.HasDim( 3 ));
1086 vector< SMESH_Algo* > algos3D;
1087 PShapeIteratorPtr solidIt = SMESH_MesherHelper::GetAncestors( aShape, aMesh,
1089 while ( const TopoDS_Shape* solid = solidIt->next() )
1090 if ( SMESH_Algo* algo3D = (SMESH_Algo*) aMesh.GetHypothesis( *solid, filter, true ))
1092 algos3D.push_back( algo3D );
1093 filter.AndNot( filter.HasName( algo3D->GetName() ));
1095 // check compatibility of algos
1096 if ( algos3D.size() > 1 )
1098 const AlgoData& algoData = algo->SMESH_Algo::GetFeatures();
1099 const AlgoData& algoData2 = algo2->SMESH_Algo::GetFeatures();
1100 const AlgoData& algoData3d0 = algos3D[0]->SMESH_Algo::GetFeatures();
1101 const AlgoData& algoData3d1 = algos3D[1]->SMESH_Algo::GetFeatures();
1102 if (( algoData2.IsCompatible( algoData3d0 ) &&
1103 algoData2.IsCompatible( algoData3d1 ))
1105 !(algoData.IsCompatible( algoData3d0 ) &&
1106 algoData.IsCompatible( algoData3d1 )))
1112 if ( assignedTo && algo )
1113 * assignedTo = assignedToShape;
1118 //=============================================================================
1120 * Returns StudyContextStruct for a study
1122 //=============================================================================
1124 StudyContextStruct *SMESH_Gen::GetStudyContext(int studyId)
1126 // Get studyContext, create it if it does'nt exist, with a SMESHDS_Document
1128 if (_mapStudyContext.find(studyId) == _mapStudyContext.end())
1130 _mapStudyContext[studyId] = new StudyContextStruct;
1131 _mapStudyContext[studyId]->myDocument = new SMESHDS_Document(studyId);
1133 StudyContextStruct *myStudyContext = _mapStudyContext[studyId];
1134 return myStudyContext;
1137 //================================================================================
1139 * \brief Return shape dimension by TopAbs_ShapeEnum
1141 //================================================================================
1143 int SMESH_Gen::GetShapeDim(const TopAbs_ShapeEnum & aShapeType)
1145 static vector<int> dim;
1148 dim.resize( TopAbs_SHAPE, -1 );
1149 dim[ TopAbs_COMPOUND ] = MeshDim_3D;
1150 dim[ TopAbs_COMPSOLID ] = MeshDim_3D;
1151 dim[ TopAbs_SOLID ] = MeshDim_3D;
1152 dim[ TopAbs_SHELL ] = MeshDim_2D;
1153 dim[ TopAbs_FACE ] = MeshDim_2D;
1154 dim[ TopAbs_WIRE ] = MeshDim_1D;
1155 dim[ TopAbs_EDGE ] = MeshDim_1D;
1156 dim[ TopAbs_VERTEX ] = MeshDim_0D;
1158 return dim[ aShapeType ];
1161 //=============================================================================
1163 * Genarate a new id unique withing this Gen
1165 //=============================================================================
1167 int SMESH_Gen::GetANewId()