1 // Copyright (C) 2007-2014 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()
67 MESSAGE("SMESH_Gen::SMESH_Gen");
70 _segmentation = _nbSegments = 10;
71 SMDS_Mesh::_meshList.clear();
72 MESSAGE(SMDS_Mesh::_meshList.size());
73 //_counters = new counters(100);
74 _compute_canceled = false;
76 //vtkDebugLeaks::SetExitError(0);
79 //=============================================================================
83 //=============================================================================
85 SMESH_Gen::~SMESH_Gen()
87 MESSAGE("SMESH_Gen::~SMESH_Gen");
88 std::map < int, StudyContextStruct * >::iterator i_sc = _mapStudyContext.begin();
89 for ( ; i_sc != _mapStudyContext.end(); ++i_sc )
91 delete i_sc->second->myDocument;
96 //=============================================================================
98 * Creates a mesh in a study.
99 * if (theIsEmbeddedMode) { mesh modification commands are not logged }
101 //=============================================================================
103 SMESH_Mesh* SMESH_Gen::CreateMesh(int theStudyId, bool theIsEmbeddedMode)
104 throw(SALOME_Exception)
106 Unexpect aCatch(SalomeException);
107 MESSAGE("SMESH_Gen::CreateMesh");
109 // Get studyContext, create it if it does'nt exist, with a SMESHDS_Document
110 StudyContextStruct *aStudyContext = GetStudyContext(theStudyId);
112 // create a new SMESH_mesh object
113 SMESH_Mesh *aMesh = new SMESH_Mesh(_localId++,
117 aStudyContext->myDocument);
118 aStudyContext->mapMesh[_localId-1] = aMesh;
123 //=============================================================================
127 //=============================================================================
129 bool SMESH_Gen::Compute(SMESH_Mesh & aMesh,
130 const TopoDS_Shape & aShape,
131 const bool aShapeOnly /*=false*/,
132 const bool anUpward /*=false*/,
133 const ::MeshDimension aDim /*=::MeshDim_3D*/,
134 TSetOfInt* aShapesId /*=0*/)
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 // Fix of Issue 22150. Due to !BLSURF->OnlyUnaryInput(), BLSURF computes edges
150 // that must be computed by Projection 1D-2D when Projection asks to compute
152 SMESH_subMesh::compute_event computeEvent =
153 aShapeOnly ? SMESH_subMesh::COMPUTE_SUBMESH : SMESH_subMesh::COMPUTE;
155 if ( anUpward ) // is called from the below code in this method
157 // ===============================================
158 // Mesh all the sub-shapes starting from vertices
159 // ===============================================
161 smIt = sm->getDependsOnIterator(includeSelf, !complexShapeFirst);
162 while ( smIt->more() )
164 SMESH_subMesh* smToCompute = smIt->next();
166 // do not mesh vertices of a pseudo shape
167 const TopoDS_Shape& shape = smToCompute->GetSubShape();
168 const TopAbs_ShapeEnum shapeType = shape.ShapeType();
169 if ( !aMesh.HasShapeToMesh() && shapeType == TopAbs_VERTEX )
172 // check for preview dimension limitations
173 if ( aShapesId && GetShapeDim( shapeType ) > (int)aDim )
175 // clear compute state not to show previous compute errors
176 // if preview invoked less dimension less than previous
177 smToCompute->ComputeStateEngine( SMESH_subMesh::CHECK_COMPUTE_STATE );
181 if (smToCompute->GetComputeState() == SMESH_subMesh::READY_TO_COMPUTE)
183 if (_compute_canceled)
185 _sm_current = smToCompute;
186 smToCompute->ComputeStateEngine( computeEvent );
190 // we check all the sub-meshes here and detect if any of them failed to compute
191 if (smToCompute->GetComputeState() == SMESH_subMesh::FAILED_TO_COMPUTE &&
192 ( shapeType != TopAbs_EDGE || !SMESH_Algo::isDegenerated( TopoDS::Edge( shape ))))
194 else if ( aShapesId )
195 aShapesId->insert( smToCompute->GetId() );
197 //aMesh.GetMeshDS()->Modified();
202 // ================================================================
203 // Apply algos that do NOT require discreteized boundaries
204 // ("all-dimensional") and do NOT support sub-meshes, starting from
205 // the most complex shapes and collect sub-meshes with algos that
206 // DO support sub-meshes
207 // ================================================================
209 list< SMESH_subMesh* > smWithAlgoSupportingSubmeshes[4]; // for each dim
211 // map to sort sm with same dim algos according to dim of
212 // the shape the algo assigned to (issue 0021217).
213 // Other issues influenced the algo applying order:
214 // 21406, 21556, 21893, 20206
215 multimap< int, SMESH_subMesh* > shDim2sm;
216 multimap< int, SMESH_subMesh* >::reverse_iterator shDim2smIt;
217 TopoDS_Shape algoShape;
218 int prevShapeDim = -1, aShapeDim;
220 smIt = sm->getDependsOnIterator(includeSelf, complexShapeFirst);
221 while ( smIt->more() )
223 SMESH_subMesh* smToCompute = smIt->next();
224 if ( smToCompute->GetComputeState() != SMESH_subMesh::READY_TO_COMPUTE )
227 const TopoDS_Shape& aSubShape = smToCompute->GetSubShape();
228 aShapeDim = GetShapeDim( aSubShape );
229 if ( aShapeDim < 1 ) break;
231 // check for preview dimension limitations
232 if ( aShapesId && aShapeDim > (int)aDim )
235 SMESH_Algo* algo = GetAlgo( aMesh, aSubShape, &algoShape );
236 if ( algo && !algo->NeedDiscreteBoundary() )
238 if ( algo->SupportSubmeshes() )
240 // reload sub-meshes from shDim2sm into smWithAlgoSupportingSubmeshes
241 // so that more local algos to go first
242 if ( prevShapeDim != aShapeDim )
244 prevShapeDim = aShapeDim;
245 for ( shDim2smIt = shDim2sm.rbegin(); shDim2smIt != shDim2sm.rend(); ++shDim2smIt )
246 if ( shDim2smIt->first == globalAlgoDim )
247 smWithAlgoSupportingSubmeshes[ aShapeDim ].push_back( shDim2smIt->second );
249 smWithAlgoSupportingSubmeshes[ aShapeDim ].push_front( shDim2smIt->second );
252 // add smToCompute to shDim2sm map
253 if ( algoShape.IsSame( aMesh.GetShapeToMesh() ))
255 aShapeDim = globalAlgoDim; // to compute last
259 aShapeDim = GetShapeDim( algoShape );
260 if ( algoShape.ShapeType() == TopAbs_COMPOUND )
262 TopoDS_Iterator it( algoShape );
263 aShapeDim += GetShapeDim( it.Value() );
266 shDim2sm.insert( make_pair( aShapeDim, smToCompute ));
268 else // Compute w/o support of sub-meshes
270 if (_compute_canceled)
272 _sm_current = smToCompute;
273 smToCompute->ComputeStateEngine( computeEvent );
276 aShapesId->insert( smToCompute->GetId() );
280 // reload sub-meshes from shDim2sm into smWithAlgoSupportingSubmeshes
281 for ( shDim2smIt = shDim2sm.rbegin(); shDim2smIt != shDim2sm.rend(); ++shDim2smIt )
282 if ( shDim2smIt->first == globalAlgoDim )
283 smWithAlgoSupportingSubmeshes[3].push_back( shDim2smIt->second );
285 smWithAlgoSupportingSubmeshes[0].push_front( shDim2smIt->second );
287 // ======================================================
288 // Apply all-dimensional algorithms supporing sub-meshes
289 // ======================================================
291 std::vector< SMESH_subMesh* > smVec;
292 for ( aShapeDim = 0; aShapeDim < 4; ++aShapeDim )
294 // ------------------------------------------------
295 // sort list of sub-meshes according to mesh order
296 // ------------------------------------------------
297 smVec.assign( smWithAlgoSupportingSubmeshes[ aShapeDim ].begin(),
298 smWithAlgoSupportingSubmeshes[ aShapeDim ].end() );
299 aMesh.SortByMeshOrder( smVec );
301 // ------------------------------------------------------------
302 // compute sub-meshes with local uni-dimensional algos under
303 // sub-meshes with all-dimensional algos
304 // ------------------------------------------------------------
305 // start from lower shapes
306 for ( size_t i = 0; i < smVec.size(); ++i )
310 // get a shape the algo is assigned to
311 if ( !GetAlgo( aMesh, sm->GetSubShape(), & algoShape ))
312 continue; // strange...
314 // look for more local algos
315 smIt = sm->getDependsOnIterator(!includeSelf, !complexShapeFirst);
316 while ( smIt->more() )
318 SMESH_subMesh* smToCompute = smIt->next();
320 const TopoDS_Shape& aSubShape = smToCompute->GetSubShape();
321 const int aShapeDim = GetShapeDim( aSubShape );
322 //if ( aSubShape.ShapeType() == TopAbs_VERTEX ) continue;
323 if ( aShapeDim < 1 ) continue;
325 // check for preview dimension limitations
326 if ( aShapesId && GetShapeDim( aSubShape.ShapeType() ) > (int)aDim )
329 SMESH_HypoFilter filter( SMESH_HypoFilter::IsAlgo() );
331 .And( SMESH_HypoFilter::IsApplicableTo( aSubShape ))
332 .And( SMESH_HypoFilter::IsMoreLocalThan( algoShape, aMesh ));
334 if ( SMESH_Algo* subAlgo = (SMESH_Algo*) aMesh.GetHypothesis( aSubShape, filter, true )) {
335 if ( ! subAlgo->NeedDiscreteBoundary() ) continue;
336 SMESH_Hypothesis::Hypothesis_Status status;
337 if ( subAlgo->CheckHypothesis( aMesh, aSubShape, status ))
338 // mesh a lower smToCompute starting from vertices
339 Compute( aMesh, aSubShape, aShapeOnly, /*anUpward=*/true, aDim, aShapesId );
343 // --------------------------------
344 // apply the all-dimensional algos
345 // --------------------------------
346 for ( size_t i = 0; i < smVec.size(); ++i )
349 if ( sm->GetComputeState() == SMESH_subMesh::READY_TO_COMPUTE)
351 const TopAbs_ShapeEnum shapeType = sm->GetSubShape().ShapeType();
352 // check for preview dimension limitations
353 if ( aShapesId && GetShapeDim( shapeType ) > (int)aDim )
356 if (_compute_canceled)
359 sm->ComputeStateEngine( computeEvent );
362 aShapesId->insert( sm->GetId() );
365 } // loop on shape dimensions
367 // -----------------------------------------------
368 // mesh the rest sub-shapes starting from vertices
369 // -----------------------------------------------
370 ret = Compute( aMesh, aShape, aShapeOnly, /*anUpward=*/true, aDim, aShapesId );
373 MESSAGE( "VSR - SMESH_Gen::Compute() finished, OK = " << ret);
376 SMESHDS_Mesh *myMesh = aMesh.GetMeshDS();
377 MESSAGE("*** compactMesh after compute");
378 myMesh->compactMesh();
380 // fix quadratic mesh by bending iternal links near concave boundary
381 if ( aShape.IsSame( aMesh.GetShapeToMesh() ) &&
382 !aShapesId && // not preview
383 ret ) // everything is OK
385 SMESH_MesherHelper aHelper( aMesh );
386 if ( aHelper.IsQuadraticMesh() != SMESH_MesherHelper::LINEAR )
388 aHelper.FixQuadraticElements( sm->GetComputeError() );
394 //=============================================================================
396 * Prepare Compute a mesh
398 //=============================================================================
399 void SMESH_Gen::PrepareCompute(SMESH_Mesh & aMesh,
400 const TopoDS_Shape & aShape)
402 _compute_canceled = false;
405 //=============================================================================
407 * Cancel Compute a mesh
409 //=============================================================================
410 void SMESH_Gen::CancelCompute(SMESH_Mesh & aMesh,
411 const TopoDS_Shape & aShape)
413 _compute_canceled = true;
416 _sm_current->ComputeStateEngine( SMESH_subMesh::COMPUTE_CANCELED );
420 //=============================================================================
424 //=============================================================================
426 bool SMESH_Gen::Evaluate(SMESH_Mesh & aMesh,
427 const TopoDS_Shape & aShape,
428 MapShapeNbElems& aResMap,
430 TSetOfInt* aShapesId)
432 MESSAGE("SMESH_Gen::Evaluate");
436 SMESH_subMesh *sm = aMesh.GetSubMesh(aShape);
438 const bool includeSelf = true;
439 const bool complexShapeFirst = true;
440 SMESH_subMeshIteratorPtr smIt;
442 if ( anUpward ) { // is called from below code here
443 // -----------------------------------------------
444 // mesh all the sub-shapes starting from vertices
445 // -----------------------------------------------
446 smIt = sm->getDependsOnIterator(includeSelf, !complexShapeFirst);
447 while ( smIt->more() ) {
448 SMESH_subMesh* smToCompute = smIt->next();
450 // do not mesh vertices of a pseudo shape
451 const TopAbs_ShapeEnum shapeType = smToCompute->GetSubShape().ShapeType();
452 //if ( !aMesh.HasShapeToMesh() && shapeType == TopAbs_VERTEX )
454 if ( !aMesh.HasShapeToMesh() ) {
455 if( shapeType == TopAbs_VERTEX || shapeType == TopAbs_WIRE ||
456 shapeType == TopAbs_SHELL )
460 smToCompute->Evaluate(aResMap);
462 aShapesId->insert( smToCompute->GetId() );
467 // -----------------------------------------------------------------
468 // apply algos that DO NOT require Discreteized boundaries and DO NOT
469 // support sub-meshes, starting from the most complex shapes
470 // and collect sub-meshes with algos that DO support sub-meshes
471 // -----------------------------------------------------------------
472 list< SMESH_subMesh* > smWithAlgoSupportingSubmeshes;
473 smIt = sm->getDependsOnIterator(includeSelf, complexShapeFirst);
474 while ( smIt->more() ) {
475 SMESH_subMesh* smToCompute = smIt->next();
476 const TopoDS_Shape& aSubShape = smToCompute->GetSubShape();
477 const int aShapeDim = GetShapeDim( aSubShape );
478 if ( aShapeDim < 1 ) break;
480 SMESH_Algo* algo = GetAlgo( aMesh, aSubShape );
481 if ( algo && !algo->NeedDiscreteBoundary() ) {
482 if ( algo->SupportSubmeshes() ) {
483 smWithAlgoSupportingSubmeshes.push_front( smToCompute );
486 smToCompute->Evaluate(aResMap);
488 aShapesId->insert( smToCompute->GetId() );
493 // ------------------------------------------------------------
494 // sort list of meshes according to mesh order
495 // ------------------------------------------------------------
496 std::vector< SMESH_subMesh* > smVec( smWithAlgoSupportingSubmeshes.begin(),
497 smWithAlgoSupportingSubmeshes.end() );
498 aMesh.SortByMeshOrder( smVec );
500 // ------------------------------------------------------------
501 // compute sub-meshes under shapes with algos that DO NOT require
502 // Discreteized boundaries and DO support sub-meshes
503 // ------------------------------------------------------------
504 // start from lower shapes
505 for ( size_t i = 0; i < smVec.size(); ++i )
509 // get a shape the algo is assigned to
510 TopoDS_Shape algoShape;
511 if ( !GetAlgo( aMesh, sm->GetSubShape(), & algoShape ))
512 continue; // strange...
514 // look for more local algos
515 smIt = sm->getDependsOnIterator(!includeSelf, !complexShapeFirst);
516 while ( smIt->more() ) {
517 SMESH_subMesh* smToCompute = smIt->next();
519 const TopoDS_Shape& aSubShape = smToCompute->GetSubShape();
520 const int aShapeDim = GetShapeDim( aSubShape );
521 if ( aShapeDim < 1 ) continue;
523 SMESH_HypoFilter filter( SMESH_HypoFilter::IsAlgo() );
525 .And( SMESH_HypoFilter::IsApplicableTo( aSubShape ))
526 .And( SMESH_HypoFilter::IsMoreLocalThan( algoShape, aMesh ));
528 if ( SMESH_Algo* subAlgo = (SMESH_Algo*) aMesh.GetHypothesis( aSubShape, filter, true )) {
529 if ( ! subAlgo->NeedDiscreteBoundary() ) continue;
530 SMESH_Hypothesis::Hypothesis_Status status;
531 if ( subAlgo->CheckHypothesis( aMesh, aSubShape, status ))
532 // mesh a lower smToCompute starting from vertices
533 Evaluate( aMesh, aSubShape, aResMap, /*anUpward=*/true, aShapesId );
537 // ----------------------------------------------------------
538 // apply the algos that do not require Discreteized boundaries
539 // ----------------------------------------------------------
540 for ( size_t i = 0; i < smVec.size(); ++i )
543 sm->Evaluate(aResMap);
545 aShapesId->insert( sm->GetId() );
548 // -----------------------------------------------
549 // mesh the rest sub-shapes starting from vertices
550 // -----------------------------------------------
551 ret = Evaluate( aMesh, aShape, aResMap, /*anUpward=*/true, aShapesId );
554 MESSAGE( "VSR - SMESH_Gen::Evaluate() finished, OK = " << ret);
559 //=======================================================================
560 //function : checkConformIgnoredAlgos
562 //=======================================================================
564 static bool checkConformIgnoredAlgos(SMESH_Mesh& aMesh,
565 SMESH_subMesh* aSubMesh,
566 const SMESH_Algo* aGlobIgnoAlgo,
567 const SMESH_Algo* aLocIgnoAlgo,
569 set<SMESH_subMesh*>& aCheckedMap,
570 list< SMESH_Gen::TAlgoStateError > & theErrors)
573 if ( aSubMesh->GetSubShape().ShapeType() == TopAbs_VERTEX)
579 const list<const SMESHDS_Hypothesis*>& listHyp =
580 aMesh.GetMeshDS()->GetHypothesis( aSubMesh->GetSubShape() );
581 list<const SMESHDS_Hypothesis*>::const_iterator it=listHyp.begin();
582 for ( ; it != listHyp.end(); it++)
584 const SMESHDS_Hypothesis * aHyp = *it;
585 if (aHyp->GetType() == SMESHDS_Hypothesis::PARAM_ALGO)
588 const SMESH_Algo* algo = dynamic_cast<const SMESH_Algo*> (aHyp);
591 if ( aLocIgnoAlgo ) // algo is hidden by a local algo of upper dim
593 theErrors.push_back( SMESH_Gen::TAlgoStateError() );
594 theErrors.back().Set( SMESH_Hypothesis::HYP_HIDDEN_ALGO, algo, false );
595 INFOS( "Local <" << algo->GetName() << "> is hidden by local <"
596 << aLocIgnoAlgo->GetName() << ">");
600 bool isGlobal = (aMesh.IsMainShape( aSubMesh->GetSubShape() ));
601 int dim = algo->GetDim();
602 int aMaxGlobIgnoDim = ( aGlobIgnoAlgo ? aGlobIgnoAlgo->GetDim() : -1 );
603 bool isNeededDim = ( aGlobIgnoAlgo ? aGlobIgnoAlgo->NeedLowerHyps( dim ) : false );
605 if (( dim < aMaxGlobIgnoDim && !isNeededDim ) &&
606 ( isGlobal || !aGlobIgnoAlgo->SupportSubmeshes() ))
608 // algo is hidden by a global algo
609 theErrors.push_back( SMESH_Gen::TAlgoStateError() );
610 theErrors.back().Set( SMESH_Hypothesis::HYP_HIDDEN_ALGO, algo, true );
611 INFOS( ( isGlobal ? "Global" : "Local" )
612 << " <" << algo->GetName() << "> is hidden by global <"
613 << aGlobIgnoAlgo->GetName() << ">");
615 else if ( !algo->NeedDiscreteBoundary() && !isGlobal)
617 // local algo is not hidden and hides algos on sub-shapes
618 if (checkConform && !aSubMesh->IsConform( algo ))
621 checkConform = false; // no more check conformity
622 INFOS( "ERROR: Local <" << algo->GetName() <<
623 "> would produce not conform mesh: "
624 "<Not Conform Mesh Allowed> hypotesis is missing");
625 theErrors.push_back( SMESH_Gen::TAlgoStateError() );
626 theErrors.back().Set( SMESH_Hypothesis::HYP_NOTCONFORM, algo, false );
629 // sub-algos will be hidden by a local <algo> if <algo> does not support sub-meshes
630 if ( algo->SupportSubmeshes() )
632 SMESH_subMeshIteratorPtr revItSub =
633 aSubMesh->getDependsOnIterator( /*includeSelf=*/false, /*complexShapeFirst=*/true);
634 bool checkConform2 = false;
635 while ( revItSub->more() )
637 SMESH_subMesh* sm = revItSub->next();
638 checkConformIgnoredAlgos (aMesh, sm, aGlobIgnoAlgo,
639 algo, checkConform2, aCheckedMap, theErrors);
640 aCheckedMap.insert( sm );
649 //=======================================================================
650 //function : checkMissing
651 //purpose : notify on missing hypothesis
652 // Return false if algo or hipothesis is missing
653 //=======================================================================
655 static bool checkMissing(SMESH_Gen* aGen,
657 SMESH_subMesh* aSubMesh,
658 const int aTopAlgoDim,
660 const bool checkNoAlgo,
661 set<SMESH_subMesh*>& aCheckedMap,
662 list< SMESH_Gen::TAlgoStateError > & theErrors)
664 switch ( aSubMesh->GetSubShape().ShapeType() )
668 case TopAbs_SOLID: break; // check this sub-mesh, it can be meshed
670 return true; // not meshable sub-mesh
672 if ( aCheckedMap.count( aSubMesh ))
675 //MESSAGE("=====checkMissing");
678 SMESH_Algo* algo = 0;
680 switch (aSubMesh->GetAlgoState())
682 case SMESH_subMesh::NO_ALGO: {
685 // should there be any algo?
686 int shapeDim = SMESH_Gen::GetShapeDim( aSubMesh->GetSubShape() );
687 if (aTopAlgoDim > shapeDim)
689 MESSAGE( "ERROR: " << shapeDim << "D algorithm is missing" );
691 theErrors.push_back( SMESH_Gen::TAlgoStateError() );
692 theErrors.back().Set( SMESH_Hypothesis::HYP_MISSING, shapeDim, true );
697 case SMESH_subMesh::MISSING_HYP: {
698 // notify if an algo missing hyp is attached to aSubMesh
699 algo = aSubMesh->GetAlgo();
701 bool IsGlobalHypothesis = aGen->IsGlobalHypothesis( algo, aMesh );
702 if (!IsGlobalHypothesis || !globalChecked[ algo->GetDim() ])
704 TAlgoStateErrorName errName = SMESH_Hypothesis::HYP_MISSING;
705 SMESH_Hypothesis::Hypothesis_Status status;
706 algo->CheckHypothesis( aMesh, aSubMesh->GetSubShape(), status );
707 if ( status == SMESH_Hypothesis::HYP_BAD_PARAMETER ) {
708 MESSAGE( "ERROR: hypothesis of " << (IsGlobalHypothesis ? "Global " : "Local ")
709 << "<" << algo->GetName() << "> has a bad parameter value");
711 } else if ( status == SMESH_Hypothesis::HYP_BAD_GEOMETRY ) {
712 MESSAGE( "ERROR: " << (IsGlobalHypothesis ? "Global " : "Local ")
713 << "<" << algo->GetName() << "> assigned to mismatching geometry");
716 MESSAGE( "ERROR: " << (IsGlobalHypothesis ? "Global " : "Local ")
717 << "<" << algo->GetName() << "> misses some hypothesis");
719 if (IsGlobalHypothesis)
720 globalChecked[ algo->GetDim() ] = true;
721 theErrors.push_back( SMESH_Gen::TAlgoStateError() );
722 theErrors.back().Set( errName, algo, IsGlobalHypothesis );
727 case SMESH_subMesh::HYP_OK:
728 algo = aSubMesh->GetAlgo();
730 if (!algo->NeedDiscreteBoundary())
732 SMESH_subMeshIteratorPtr itsub = aSubMesh->getDependsOnIterator( /*includeSelf=*/false,
733 /*complexShapeFirst=*/false);
734 while ( itsub->more() )
735 aCheckedMap.insert( itsub->next() );
741 // do not check under algo that hides sub-algos or
742 // re-start checking NO_ALGO state
744 bool isTopLocalAlgo =
745 ( aTopAlgoDim <= algo->GetDim() && !aGen->IsGlobalHypothesis( algo, aMesh ));
746 if (!algo->NeedDiscreteBoundary() || isTopLocalAlgo)
748 bool checkNoAlgo2 = ( algo->NeedDiscreteBoundary() );
749 SMESH_subMeshIteratorPtr itsub = aSubMesh->getDependsOnIterator( /*includeSelf=*/false,
750 /*complexShapeFirst=*/true);
751 while ( itsub->more() )
753 // sub-meshes should not be checked further more
754 SMESH_subMesh* sm = itsub->next();
758 //check algo on sub-meshes
759 int aTopAlgoDim2 = algo->GetDim();
760 if (!checkMissing (aGen, aMesh, sm, aTopAlgoDim2,
761 globalChecked, checkNoAlgo2, aCheckedMap, theErrors))
764 if (sm->GetAlgoState() == SMESH_subMesh::NO_ALGO )
765 checkNoAlgo2 = false;
768 aCheckedMap.insert( sm );
774 //=======================================================================
775 //function : CheckAlgoState
776 //purpose : notify on bad state of attached algos, return false
777 // if Compute() would fail because of some algo bad state
778 //=======================================================================
780 bool SMESH_Gen::CheckAlgoState(SMESH_Mesh& aMesh, const TopoDS_Shape& aShape)
782 list< TAlgoStateError > errors;
783 return GetAlgoState( aMesh, aShape, errors );
786 //=======================================================================
787 //function : GetAlgoState
788 //purpose : notify on bad state of attached algos, return false
789 // if Compute() would fail because of some algo bad state
790 // theErrors list contains problems description
791 //=======================================================================
793 bool SMESH_Gen::GetAlgoState(SMESH_Mesh& theMesh,
794 const TopoDS_Shape& theShape,
795 list< TAlgoStateError > & theErrors)
797 //MESSAGE("SMESH_Gen::CheckAlgoState");
800 bool hasAlgo = false;
802 SMESH_subMesh* sm = theMesh.GetSubMesh(theShape);
803 const SMESHDS_Mesh* meshDS = theMesh.GetMeshDS();
804 TopoDS_Shape mainShape = meshDS->ShapeToMesh();
810 const SMESH_Algo* aGlobAlgoArr[] = {0,0,0,0};
812 const list<const SMESHDS_Hypothesis*>& listHyp = meshDS->GetHypothesis( mainShape );
813 list<const SMESHDS_Hypothesis*>::const_iterator it=listHyp.begin();
814 for ( ; it != listHyp.end(); it++)
816 const SMESHDS_Hypothesis * aHyp = *it;
817 if (aHyp->GetType() == SMESHDS_Hypothesis::PARAM_ALGO)
820 const SMESH_Algo* algo = dynamic_cast<const SMESH_Algo*> (aHyp);
823 int dim = algo->GetDim();
824 aGlobAlgoArr[ dim ] = algo;
829 // --------------------------------------------------------
830 // info on algos that will be ignored because of ones that
831 // don't NeedDiscreteBoundary() attached to super-shapes,
832 // check that a conform mesh will be produced
833 // --------------------------------------------------------
836 // find a global algo possibly hiding sub-algos
838 const SMESH_Algo* aGlobIgnoAlgo = 0;
839 for (dim = 3; dim > 0; dim--)
841 if (aGlobAlgoArr[ dim ] &&
842 !aGlobAlgoArr[ dim ]->NeedDiscreteBoundary() /*&&
843 !aGlobAlgoArr[ dim ]->SupportSubmeshes()*/ )
845 aGlobIgnoAlgo = aGlobAlgoArr[ dim ];
850 set<SMESH_subMesh*> aCheckedSubs;
851 bool checkConform = ( !theMesh.IsNotConformAllowed() );
853 // loop on theShape and its sub-shapes
854 SMESH_subMeshIteratorPtr revItSub = sm->getDependsOnIterator( /*includeSelf=*/true,
855 /*complexShapeFirst=*/true);
856 while ( revItSub->more() )
858 SMESH_subMesh* smToCheck = revItSub->next();
859 if ( smToCheck->GetSubShape().ShapeType() == TopAbs_VERTEX)
862 if ( aCheckedSubs.insert( smToCheck ).second ) // not yet checked
863 if (!checkConformIgnoredAlgos (theMesh, smToCheck, aGlobIgnoAlgo,
864 0, checkConform, aCheckedSubs, theErrors))
867 if ( smToCheck->GetAlgoState() != SMESH_subMesh::NO_ALGO )
871 // ----------------------------------------------------------------
872 // info on missing hypothesis and find out if all needed algos are
874 // ----------------------------------------------------------------
876 //MESSAGE( "---info on missing hypothesis and find out if all needed algos are");
878 // find max dim of global algo
880 for (dim = 3; dim > 0; dim--)
882 if (aGlobAlgoArr[ dim ])
888 bool checkNoAlgo = theMesh.HasShapeToMesh() ? bool( aTopAlgoDim ) : false;
889 bool globalChecked[] = { false, false, false, false };
891 // loop on theShape and its sub-shapes
892 aCheckedSubs.clear();
893 revItSub = sm->getDependsOnIterator( /*includeSelf=*/true, /*complexShapeFirst=*/true);
894 while ( revItSub->more() )
896 SMESH_subMesh* smToCheck = revItSub->next();
897 if ( smToCheck->GetSubShape().ShapeType() == TopAbs_VERTEX)
900 if (!checkMissing (this, theMesh, smToCheck, aTopAlgoDim,
901 globalChecked, checkNoAlgo, aCheckedSubs, theErrors))
904 if (smToCheck->GetAlgoState() == SMESH_subMesh::NO_ALGO )
911 theErrors.push_back( TAlgoStateError() );
912 theErrors.back().Set( SMESH_Hypothesis::HYP_MISSING, 1, true );
918 //=======================================================================
919 //function : IsGlobalHypothesis
920 //purpose : check if theAlgo is attached to the main shape
921 //=======================================================================
923 bool SMESH_Gen::IsGlobalHypothesis(const SMESH_Hypothesis* theHyp, SMESH_Mesh& aMesh)
925 SMESH_HypoFilter filter( SMESH_HypoFilter::Is( theHyp ));
926 return aMesh.GetHypothesis( aMesh.GetMeshDS()->ShapeToMesh(), filter, false );
929 //================================================================================
931 * \brief Return paths to xml files of plugins
933 //================================================================================
935 std::vector< std::string > SMESH_Gen::GetPluginXMLPaths()
937 // Get paths to xml files of plugins
938 vector< string > xmlPaths;
940 if ( const char* meshersList = getenv("SMESH_MeshersList") )
942 string meshers = meshersList, plugin;
943 string::size_type from = 0, pos;
944 while ( from < meshers.size() )
946 // cut off plugin name
947 pos = meshers.find( ':', from );
948 if ( pos != string::npos )
949 plugin = meshers.substr( from, pos-from );
951 plugin = meshers.substr( from ), pos = meshers.size();
954 // get PLUGIN_ROOT_DIR path
955 string rootDirVar, pluginSubDir = plugin;
956 if ( plugin == "StdMeshers" )
957 rootDirVar = "SMESH", pluginSubDir = "smesh";
959 for ( pos = 0; pos < plugin.size(); ++pos )
960 rootDirVar += toupper( plugin[pos] );
961 rootDirVar += "_ROOT_DIR";
963 const char* rootDir = getenv( rootDirVar.c_str() );
964 if ( !rootDir || strlen(rootDir) == 0 )
966 rootDirVar = plugin + "_ROOT_DIR"; // HexoticPLUGIN_ROOT_DIR
967 rootDir = getenv( rootDirVar.c_str() );
968 if ( !rootDir || strlen(rootDir) == 0 ) continue;
971 // get a separator from rootDir
972 for ( pos = strlen( rootDir )-1; pos >= 0 && sep.empty(); --pos )
973 if ( rootDir[pos] == '/' || rootDir[pos] == '\\' )
979 if (sep.empty() ) sep = "\\";
981 if (sep.empty() ) sep = "/";
984 // get a path to resource file
985 string xmlPath = rootDir;
986 if ( xmlPath[ xmlPath.size()-1 ] != sep[0] )
988 xmlPath += "share" + sep + "salome" + sep + "resources" + sep;
989 for ( pos = 0; pos < pluginSubDir.size(); ++pos )
990 xmlPath += tolower( pluginSubDir[pos] );
991 xmlPath += sep + plugin + ".xml";
994 fileOK = (GetFileAttributes(xmlPath.c_str()) != INVALID_FILE_ATTRIBUTES);
996 fileOK = (access(xmlPath.c_str(), F_OK) == 0);
999 xmlPaths.push_back( xmlPath );
1006 //=============================================================================
1008 * Finds algo to mesh a shape. Optionally returns a shape the found algo is bound to
1010 //=============================================================================
1012 SMESH_Algo *SMESH_Gen::GetAlgo(SMESH_Mesh & aMesh,
1013 const TopoDS_Shape & aShape,
1014 TopoDS_Shape* assignedTo)
1016 SMESH_HypoFilter filter( SMESH_HypoFilter::IsAlgo() );
1017 filter.And( filter.IsApplicableTo( aShape ));
1019 typedef SMESH_Algo::Features AlgoData;
1021 TopoDS_Shape assignedToShape;
1023 (SMESH_Algo*) aMesh.GetHypothesis( aShape, filter, true, &assignedToShape );
1026 aShape.ShapeType() == TopAbs_FACE &&
1027 !aShape.IsSame( assignedToShape ) &&
1028 SMESH_MesherHelper::NbAncestors( aShape, aMesh, TopAbs_SOLID ) > 1 )
1030 // Issue 0021559. If there is another 2D algo with different types of output
1031 // elements that can be used to mesh aShape, and 3D algos on adjacent SOLIDs
1032 // have different types of input elements, we choose a most appropriate 2D algo.
1034 // try to find a concurrent 2D algo
1035 filter.AndNot( filter.Is( algo ));
1036 TopoDS_Shape assignedToShape2;
1038 (SMESH_Algo*) aMesh.GetHypothesis( aShape, filter, true, &assignedToShape2 );
1039 if ( algo2 && // algo found
1040 !assignedToShape2.IsSame( aMesh.GetShapeToMesh() ) && // algo is local
1041 ( SMESH_MesherHelper::GetGroupType( assignedToShape2 ) == // algo of the same level
1042 SMESH_MesherHelper::GetGroupType( assignedToShape )) &&
1043 aMesh.IsOrderOK( aMesh.GetSubMesh( assignedToShape2 ), // no forced order
1044 aMesh.GetSubMesh( assignedToShape )))
1046 // get algos on the adjacent SOLIDs
1047 filter.Init( filter.IsAlgo() ).And( filter.HasDim( 3 ));
1048 vector< SMESH_Algo* > algos3D;
1049 PShapeIteratorPtr solidIt = SMESH_MesherHelper::GetAncestors( aShape, aMesh,
1051 while ( const TopoDS_Shape* solid = solidIt->next() )
1052 if ( SMESH_Algo* algo3D = (SMESH_Algo*) aMesh.GetHypothesis( *solid, filter, true ))
1054 algos3D.push_back( algo3D );
1055 filter.AndNot( filter.HasName( algo3D->GetName() ));
1057 // check compatibility of algos
1058 if ( algos3D.size() > 1 )
1060 const AlgoData& algoData = algo->SMESH_Algo::GetFeatures();
1061 const AlgoData& algoData2 = algo2->SMESH_Algo::GetFeatures();
1062 const AlgoData& algoData3d0 = algos3D[0]->SMESH_Algo::GetFeatures();
1063 const AlgoData& algoData3d1 = algos3D[1]->SMESH_Algo::GetFeatures();
1064 if (( algoData2.IsCompatible( algoData3d0 ) &&
1065 algoData2.IsCompatible( algoData3d1 ))
1067 !(algoData.IsCompatible( algoData3d0 ) &&
1068 algoData.IsCompatible( algoData3d1 )))
1074 if ( assignedTo && algo )
1075 * assignedTo = assignedToShape;
1080 //=============================================================================
1082 * Returns StudyContextStruct for a study
1084 //=============================================================================
1086 StudyContextStruct *SMESH_Gen::GetStudyContext(int studyId)
1088 // Get studyContext, create it if it does'nt exist, with a SMESHDS_Document
1090 if (_mapStudyContext.find(studyId) == _mapStudyContext.end())
1092 _mapStudyContext[studyId] = new StudyContextStruct;
1093 _mapStudyContext[studyId]->myDocument = new SMESHDS_Document(studyId);
1095 StudyContextStruct *myStudyContext = _mapStudyContext[studyId];
1096 return myStudyContext;
1099 //================================================================================
1101 * \brief Return shape dimension by TopAbs_ShapeEnum
1103 //================================================================================
1105 int SMESH_Gen::GetShapeDim(const TopAbs_ShapeEnum & aShapeType)
1107 static vector<int> dim;
1110 dim.resize( TopAbs_SHAPE, -1 );
1111 dim[ TopAbs_COMPOUND ] = MeshDim_3D;
1112 dim[ TopAbs_COMPSOLID ] = MeshDim_3D;
1113 dim[ TopAbs_SOLID ] = MeshDim_3D;
1114 dim[ TopAbs_SHELL ] = MeshDim_2D;
1115 dim[ TopAbs_FACE ] = MeshDim_2D;
1116 dim[ TopAbs_WIRE ] = MeshDim_1D;
1117 dim[ TopAbs_EDGE ] = MeshDim_1D;
1118 dim[ TopAbs_VERTEX ] = MeshDim_0D;
1120 return dim[ aShapeType ];
1123 //=============================================================================
1125 * Genarate a new id unique withing this Gen
1127 //=============================================================================
1129 int SMESH_Gen::GetANewId()