1 // Copyright (C) 2007-2013 CEA/DEN, EDF R&D, OPEN CASCADE
3 // Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
4 // CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
6 // This library is free software; you can redistribute it and/or
7 // modify it under the terms of the GNU Lesser General Public
8 // License as published by the Free Software Foundation; either
9 // version 2.1 of the License.
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 // Lesser General Public License for more details.
16 // You should have received a copy of the GNU Lesser General Public
17 // License along with this library; if not, write to the Free Software
18 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
23 // SMESH SMESH : implementaion of SMESH idl descriptions
24 // File : SMESH_Gen.cxx
25 // Author : Paul RASCLE, EDF
31 #include "SMESH_Gen.hxx"
33 #include "SMDS_Mesh.hxx"
34 #include "SMDS_MeshElement.hxx"
35 #include "SMDS_MeshNode.hxx"
36 #include "SMESHDS_Document.hxx"
37 #include "SMESH_HypoFilter.hxx"
38 #include "SMESH_MesherHelper.hxx"
39 #include "SMESH_subMesh.hxx"
41 #include "utilities.h"
43 #include "Utils_ExceptHandlers.hxx"
45 #include <TopoDS_Iterator.hxx>
55 //#include <vtkDebugLeaks.h>
58 //=============================================================================
62 //=============================================================================
64 SMESH_Gen::SMESH_Gen()
66 MESSAGE("SMESH_Gen::SMESH_Gen");
69 _segmentation = _nbSegments = 10;
70 SMDS_Mesh::_meshList.clear();
71 MESSAGE(SMDS_Mesh::_meshList.size());
72 //_counters = new counters(100);
73 _compute_canceled = false;
75 //vtkDebugLeaks::SetExitError(0);
78 //=============================================================================
82 //=============================================================================
84 SMESH_Gen::~SMESH_Gen()
86 MESSAGE("SMESH_Gen::~SMESH_Gen");
87 std::map < int, StudyContextStruct * >::iterator i_sc = _mapStudyContext.begin();
88 for ( ; i_sc != _mapStudyContext.end(); ++i_sc )
90 delete i_sc->second->myDocument;
95 //=============================================================================
97 * Creates a mesh in a study.
98 * if (theIsEmbeddedMode) { mesh modification commands are not logged }
100 //=============================================================================
102 SMESH_Mesh* SMESH_Gen::CreateMesh(int theStudyId, bool theIsEmbeddedMode)
103 throw(SALOME_Exception)
105 Unexpect aCatch(SalomeException);
106 MESSAGE("SMESH_Gen::CreateMesh");
108 // Get studyContext, create it if it does'nt exist, with a SMESHDS_Document
109 StudyContextStruct *aStudyContext = GetStudyContext(theStudyId);
111 // create a new SMESH_mesh object
112 SMESH_Mesh *aMesh = new SMESH_Mesh(_localId++,
116 aStudyContext->myDocument);
117 aStudyContext->mapMesh[_localId-1] = aMesh;
122 //=============================================================================
126 //=============================================================================
128 bool SMESH_Gen::Compute(SMESH_Mesh & aMesh,
129 const TopoDS_Shape & aShape,
131 const ::MeshDimension aDim,
132 TSetOfInt* aShapesId)
134 MESSAGE("SMESH_Gen::Compute");
139 SMESH_subMesh *sm = aMesh.GetSubMesh(aShape);
141 const bool includeSelf = true;
142 const bool complexShapeFirst = true;
143 const int globalAlgoDim = 100;
145 SMESH_subMeshIteratorPtr smIt;
146 SMESH_subMesh::compute_event computeEvent;
147 if ( !anUpward && aShape.IsSame( aMesh.GetShapeToMesh() ))
148 computeEvent = SMESH_subMesh::COMPUTE;
150 computeEvent = SMESH_subMesh::COMPUTE_SUBMESH;
152 if ( anUpward ) // is called from the below code in this method
154 // ===============================================
155 // Mesh all the sub-shapes starting from vertices
156 // ===============================================
158 smIt = sm->getDependsOnIterator(includeSelf, !complexShapeFirst);
159 while ( smIt->more() )
161 SMESH_subMesh* smToCompute = smIt->next();
163 // do not mesh vertices of a pseudo shape
164 const TopAbs_ShapeEnum aShType = smToCompute->GetSubShape().ShapeType();
165 if ( !aMesh.HasShapeToMesh() && aShType == TopAbs_VERTEX )
168 // check for preview dimension limitations
169 if ( aShapesId && GetShapeDim( aShType ) > (int)aDim )
171 // clear compute state not to show previous compute errors
172 // if preview invoked less dimension less than previous
173 smToCompute->ComputeStateEngine( SMESH_subMesh::CHECK_COMPUTE_STATE );
177 if (smToCompute->GetComputeState() == SMESH_subMesh::READY_TO_COMPUTE)
179 if (_compute_canceled)
181 _sm_current = smToCompute;
182 smToCompute->ComputeStateEngine( computeEvent );
186 // we check all the submeshes here and detect if any of them failed to compute
187 if (smToCompute->GetComputeState() == SMESH_subMesh::FAILED_TO_COMPUTE)
189 else if ( aShapesId )
190 aShapesId->insert( smToCompute->GetId() );
192 //aMesh.GetMeshDS()->Modified();
197 // ================================================================
198 // Apply algos that do NOT require discreteized boundaries
199 // ("all-dimensional") and do NOT support sub-meshes, starting from
200 // the most complex shapes and collect sub-meshes with algos that
201 // DO support sub-meshes
202 // ================================================================
204 list< SMESH_subMesh* > smWithAlgoSupportingSubmeshes[4]; // for each dim
206 // map to sort sm with same dim algos according to dim of
207 // the shape the algo assigned to (issue 0021217)
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( aMesh, aSubShape, &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 _sm_current = smToCompute;
266 smToCompute->ComputeStateEngine( computeEvent );
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[0].push_back( shDim2smIt->second );
278 smWithAlgoSupportingSubmeshes[0].push_front( shDim2smIt->second );
280 // ======================================================
281 // Apply all-dimensional algorithms supporing sub-meshes
282 // ======================================================
284 for ( aShapeDim = 0; aShapeDim < 4; ++aShapeDim )
286 // ------------------------------------------------
287 // sort list of sub-meshes according to mesh order
288 // ------------------------------------------------
289 aMesh.SortByMeshOrder( smWithAlgoSupportingSubmeshes[ aShapeDim ] );
291 // ------------------------------------------------------------
292 // compute sub-meshes with local uni-dimensional algos under
293 // sub-meshes with all-dimensional algos
294 // ------------------------------------------------------------
295 list< SMESH_subMesh* >::iterator subIt, subEnd;
296 subIt = smWithAlgoSupportingSubmeshes[ aShapeDim ].begin();
297 subEnd = smWithAlgoSupportingSubmeshes[ aShapeDim ].end();
298 // start from lower shapes
299 for ( ; subIt != subEnd; ++subIt )
303 // get a shape the algo is assigned to
304 if ( !GetAlgo( aMesh, sm->GetSubShape(), & 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( aSubShape, filter, true )) {
328 if ( ! subAlgo->NeedDiscreteBoundary() ) continue;
329 SMESH_Hypothesis::Hypothesis_Status status;
330 if ( subAlgo->CheckHypothesis( aMesh, aSubShape, status ))
331 // mesh a lower smToCompute starting from vertices
332 Compute( aMesh, aSubShape, /*anUpward=*/true, aDim, aShapesId );
336 // --------------------------------
337 // apply the all-dimensional algos
338 // --------------------------------
339 subIt = smWithAlgoSupportingSubmeshes[ aShapeDim ].begin();
340 for ( ; subIt != subEnd; ++subIt )
343 if ( sm->GetComputeState() == SMESH_subMesh::READY_TO_COMPUTE)
345 const TopAbs_ShapeEnum aShType = sm->GetSubShape().ShapeType();
346 // check for preview dimension limitations
347 if ( aShapesId && GetShapeDim( aShType ) > (int)aDim )
350 if (_compute_canceled)
353 sm->ComputeStateEngine( computeEvent );
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, /*anUpward=*/true, aDim, aShapesId );
367 MESSAGE( "VSR - SMESH_Gen::Compute() finished, OK = " << ret);
370 SMESHDS_Mesh *myMesh = aMesh.GetMeshDS();
371 MESSAGE("*** compactMesh after compute");
372 myMesh->compactMesh();
374 // fix quadratic mesh by bending iternal links near concave boundary
375 if ( aShape.IsSame( aMesh.GetShapeToMesh() ) &&
376 !aShapesId && // not preview
377 ret ) // everything is OK
379 SMESH_MesherHelper aHelper( aMesh );
380 if ( aHelper.IsQuadraticMesh() != SMESH_MesherHelper::LINEAR )
382 aHelper.FixQuadraticElements( sm->GetComputeError() );
389 #ifdef WITH_SMESH_CANCEL_COMPUTE
390 //=============================================================================
392 * Prepare Compute a mesh
394 //=============================================================================
395 void SMESH_Gen::PrepareCompute(SMESH_Mesh & aMesh,
396 const TopoDS_Shape & aShape)
398 _compute_canceled = false;
401 //=============================================================================
403 * Cancel Compute a mesh
405 //=============================================================================
406 void SMESH_Gen::CancelCompute(SMESH_Mesh & aMesh,
407 const TopoDS_Shape & aShape)
409 _compute_canceled = true;
412 _sm_current->ComputeStateEngine( SMESH_subMesh::COMPUTE_CANCELED );
417 //=============================================================================
421 //=============================================================================
423 bool SMESH_Gen::Evaluate(SMESH_Mesh & aMesh,
424 const TopoDS_Shape & aShape,
425 MapShapeNbElems& aResMap,
427 TSetOfInt* aShapesId)
429 MESSAGE("SMESH_Gen::Evaluate");
433 SMESH_subMesh *sm = aMesh.GetSubMesh(aShape);
435 const bool includeSelf = true;
436 const bool complexShapeFirst = true;
437 SMESH_subMeshIteratorPtr smIt;
439 if ( anUpward ) { // is called from below code here
440 // -----------------------------------------------
441 // mesh all the sub-shapes starting from vertices
442 // -----------------------------------------------
443 smIt = sm->getDependsOnIterator(includeSelf, !complexShapeFirst);
444 while ( smIt->more() ) {
445 SMESH_subMesh* smToCompute = smIt->next();
447 // do not mesh vertices of a pseudo shape
448 const TopAbs_ShapeEnum aShType = smToCompute->GetSubShape().ShapeType();
449 //if ( !aMesh.HasShapeToMesh() && aShType == TopAbs_VERTEX )
451 if ( !aMesh.HasShapeToMesh() ) {
452 if( aShType == TopAbs_VERTEX || aShType == TopAbs_WIRE ||
453 aShType == TopAbs_SHELL )
457 smToCompute->Evaluate(aResMap);
459 aShapesId->insert( smToCompute->GetId() );
464 // -----------------------------------------------------------------
465 // apply algos that DO NOT require Discreteized boundaries and DO NOT
466 // support sub-meshes, starting from the most complex shapes
467 // and collect sub-meshes with algos that DO support sub-meshes
468 // -----------------------------------------------------------------
469 list< SMESH_subMesh* > smWithAlgoSupportingSubmeshes;
470 smIt = sm->getDependsOnIterator(includeSelf, complexShapeFirst);
471 while ( smIt->more() ) {
472 SMESH_subMesh* smToCompute = smIt->next();
473 const TopoDS_Shape& aSubShape = smToCompute->GetSubShape();
474 const int aShapeDim = GetShapeDim( aSubShape );
475 if ( aShapeDim < 1 ) break;
477 SMESH_Algo* algo = GetAlgo( aMesh, aSubShape );
478 if ( algo && !algo->NeedDiscreteBoundary() ) {
479 if ( algo->SupportSubmeshes() ) {
480 smWithAlgoSupportingSubmeshes.push_front( smToCompute );
483 smToCompute->Evaluate(aResMap);
485 aShapesId->insert( smToCompute->GetId() );
490 // ------------------------------------------------------------
491 // sort list of meshes according to mesh order
492 // ------------------------------------------------------------
493 aMesh.SortByMeshOrder( smWithAlgoSupportingSubmeshes );
495 // ------------------------------------------------------------
496 // compute sub-meshes under shapes with algos that DO NOT require
497 // Discreteized boundaries and DO support sub-meshes
498 // ------------------------------------------------------------
499 list< SMESH_subMesh* >::iterator subIt, subEnd;
500 subIt = smWithAlgoSupportingSubmeshes.begin();
501 subEnd = smWithAlgoSupportingSubmeshes.end();
502 // start from lower shapes
503 for ( ; subIt != subEnd; ++subIt ) {
506 // get a shape the algo is assigned to
507 TopoDS_Shape algoShape;
508 if ( !GetAlgo( aMesh, sm->GetSubShape(), & algoShape ))
509 continue; // strange...
511 // look for more local algos
512 smIt = sm->getDependsOnIterator(!includeSelf, !complexShapeFirst);
513 while ( smIt->more() ) {
514 SMESH_subMesh* smToCompute = smIt->next();
516 const TopoDS_Shape& aSubShape = smToCompute->GetSubShape();
517 const int aShapeDim = GetShapeDim( aSubShape );
518 if ( aShapeDim < 1 ) continue;
520 //const TopAbs_ShapeEnum aShType = smToCompute->GetSubShape().ShapeType();
522 SMESH_HypoFilter filter( SMESH_HypoFilter::IsAlgo() );
524 .And( SMESH_HypoFilter::IsApplicableTo( aSubShape ))
525 .And( SMESH_HypoFilter::IsMoreLocalThan( algoShape, aMesh ));
527 if ( SMESH_Algo* subAlgo = (SMESH_Algo*) aMesh.GetHypothesis( aSubShape, filter, true )) {
528 if ( ! subAlgo->NeedDiscreteBoundary() ) continue;
529 SMESH_Hypothesis::Hypothesis_Status status;
530 if ( subAlgo->CheckHypothesis( aMesh, aSubShape, status ))
531 // mesh a lower smToCompute starting from vertices
532 Evaluate( aMesh, aSubShape, aResMap, /*anUpward=*/true, aShapesId );
536 // ----------------------------------------------------------
537 // apply the algos that do not require Discreteized boundaries
538 // ----------------------------------------------------------
539 for ( subIt = smWithAlgoSupportingSubmeshes.begin(); subIt != subEnd; ++subIt )
542 sm->Evaluate(aResMap);
544 aShapesId->insert( sm->GetId() );
547 // -----------------------------------------------
548 // mesh the rest sub-shapes starting from vertices
549 // -----------------------------------------------
550 ret = Evaluate( aMesh, aShape, aResMap, /*anUpward=*/true, aShapesId );
553 MESSAGE( "VSR - SMESH_Gen::Evaluate() finished, OK = " << ret);
558 //=======================================================================
559 //function : checkConformIgnoredAlgos
561 //=======================================================================
563 static bool checkConformIgnoredAlgos(SMESH_Mesh& aMesh,
564 SMESH_subMesh* aSubMesh,
565 const SMESH_Algo* aGlobIgnoAlgo,
566 const SMESH_Algo* aLocIgnoAlgo,
568 set<SMESH_subMesh*>& aCheckedMap,
569 list< SMESH_Gen::TAlgoStateError > & theErrors)
572 if ( aSubMesh->GetSubShape().ShapeType() == TopAbs_VERTEX)
578 const list<const SMESHDS_Hypothesis*>& listHyp =
579 aMesh.GetMeshDS()->GetHypothesis( aSubMesh->GetSubShape() );
580 list<const SMESHDS_Hypothesis*>::const_iterator it=listHyp.begin();
581 for ( ; it != listHyp.end(); it++)
583 const SMESHDS_Hypothesis * aHyp = *it;
584 if (aHyp->GetType() == SMESHDS_Hypothesis::PARAM_ALGO)
587 const SMESH_Algo* algo = dynamic_cast<const SMESH_Algo*> (aHyp);
590 if ( aLocIgnoAlgo ) // algo is hidden by a local algo of upper dim
592 theErrors.push_back( SMESH_Gen::TAlgoStateError() );
593 theErrors.back().Set( SMESH_Hypothesis::HYP_HIDDEN_ALGO, algo, false );
594 INFOS( "Local <" << algo->GetName() << "> is hidden by local <"
595 << aLocIgnoAlgo->GetName() << ">");
599 bool isGlobal = (aMesh.IsMainShape( aSubMesh->GetSubShape() ));
600 int dim = algo->GetDim();
601 int aMaxGlobIgnoDim = ( aGlobIgnoAlgo ? aGlobIgnoAlgo->GetDim() : -1 );
602 bool isNeededDim = ( aGlobIgnoAlgo ? aGlobIgnoAlgo->NeedLowerHyps( dim ) : false );
604 if (( dim < aMaxGlobIgnoDim && !isNeededDim ) &&
605 ( isGlobal || !aGlobIgnoAlgo->SupportSubmeshes() ))
607 // algo is hidden by a global algo
608 theErrors.push_back( SMESH_Gen::TAlgoStateError() );
609 theErrors.back().Set( SMESH_Hypothesis::HYP_HIDDEN_ALGO, algo, true );
610 INFOS( ( isGlobal ? "Global" : "Local" )
611 << " <" << algo->GetName() << "> is hidden by global <"
612 << aGlobIgnoAlgo->GetName() << ">");
614 else if ( !algo->NeedDiscreteBoundary() && !isGlobal)
616 // local algo is not hidden and hides algos on sub-shapes
617 if (checkConform && !aSubMesh->IsConform( algo ))
620 checkConform = false; // no more check conformity
621 INFOS( "ERROR: Local <" << algo->GetName() <<
622 "> would produce not conform mesh: "
623 "<Not Conform Mesh Allowed> hypotesis is missing");
624 theErrors.push_back( SMESH_Gen::TAlgoStateError() );
625 theErrors.back().Set( SMESH_Hypothesis::HYP_NOTCONFORM, algo, false );
628 // sub-algos will be hidden by a local <algo>
629 SMESH_subMeshIteratorPtr revItSub =
630 aSubMesh->getDependsOnIterator( /*includeSelf=*/false, /*complexShapeFirst=*/true);
631 bool checkConform2 = false;
632 while ( revItSub->more() )
634 SMESH_subMesh* sm = revItSub->next();
635 checkConformIgnoredAlgos (aMesh, sm, aGlobIgnoAlgo,
636 algo, checkConform2, aCheckedMap, theErrors);
637 aCheckedMap.insert( sm );
646 //=======================================================================
647 //function : checkMissing
648 //purpose : notify on missing hypothesis
649 // Return false if algo or hipothesis is missing
650 //=======================================================================
652 static bool checkMissing(SMESH_Gen* aGen,
654 SMESH_subMesh* aSubMesh,
655 const int aTopAlgoDim,
657 const bool checkNoAlgo,
658 set<SMESH_subMesh*>& aCheckedMap,
659 list< SMESH_Gen::TAlgoStateError > & theErrors)
661 switch ( aSubMesh->GetSubShape().ShapeType() )
665 case TopAbs_SOLID: break; // check this sub-mesh, it can be meshed
667 return true; // not meshable sub-mesh
669 if ( aCheckedMap.count( aSubMesh ))
672 //MESSAGE("=====checkMissing");
675 SMESH_Algo* algo = 0;
677 switch (aSubMesh->GetAlgoState())
679 case SMESH_subMesh::NO_ALGO: {
682 // should there be any algo?
683 int shapeDim = SMESH_Gen::GetShapeDim( aSubMesh->GetSubShape() );
684 if (aTopAlgoDim > shapeDim)
686 MESSAGE( "ERROR: " << shapeDim << "D algorithm is missing" );
688 theErrors.push_back( SMESH_Gen::TAlgoStateError() );
689 theErrors.back().Set( SMESH_Hypothesis::HYP_MISSING, shapeDim, true );
694 case SMESH_subMesh::MISSING_HYP: {
695 // notify if an algo missing hyp is attached to aSubMesh
696 algo = aSubMesh->GetAlgo();
698 bool IsGlobalHypothesis = aGen->IsGlobalHypothesis( algo, aMesh );
699 if (!IsGlobalHypothesis || !globalChecked[ algo->GetDim() ])
701 TAlgoStateErrorName errName = SMESH_Hypothesis::HYP_MISSING;
702 SMESH_Hypothesis::Hypothesis_Status status;
703 algo->CheckHypothesis( aMesh, aSubMesh->GetSubShape(), status );
704 if ( status == SMESH_Hypothesis::HYP_BAD_PARAMETER ) {
705 MESSAGE( "ERROR: hypothesis of " << (IsGlobalHypothesis ? "Global " : "Local ")
706 << "<" << algo->GetName() << "> has a bad parameter value");
708 } else if ( status == SMESH_Hypothesis::HYP_BAD_GEOMETRY ) {
709 MESSAGE( "ERROR: " << (IsGlobalHypothesis ? "Global " : "Local ")
710 << "<" << algo->GetName() << "> assigned to mismatching geometry");
713 MESSAGE( "ERROR: " << (IsGlobalHypothesis ? "Global " : "Local ")
714 << "<" << algo->GetName() << "> misses some hypothesis");
716 if (IsGlobalHypothesis)
717 globalChecked[ algo->GetDim() ] = true;
718 theErrors.push_back( SMESH_Gen::TAlgoStateError() );
719 theErrors.back().Set( errName, algo, IsGlobalHypothesis );
724 case SMESH_subMesh::HYP_OK:
725 algo = aSubMesh->GetAlgo();
727 if (!algo->NeedDiscreteBoundary())
729 SMESH_subMeshIteratorPtr itsub = aSubMesh->getDependsOnIterator( /*includeSelf=*/false,
730 /*complexShapeFirst=*/false);
731 while ( itsub->more() )
732 aCheckedMap.insert( itsub->next() );
738 // do not check under algo that hides sub-algos or
739 // re-start checking NO_ALGO state
741 bool isTopLocalAlgo =
742 ( aTopAlgoDim <= algo->GetDim() && !aGen->IsGlobalHypothesis( algo, aMesh ));
743 if (!algo->NeedDiscreteBoundary() || isTopLocalAlgo)
745 bool checkNoAlgo2 = ( algo->NeedDiscreteBoundary() );
746 SMESH_subMeshIteratorPtr itsub = aSubMesh->getDependsOnIterator( /*includeSelf=*/false,
747 /*complexShapeFirst=*/true);
748 while ( itsub->more() )
750 // sub-meshes should not be checked further more
751 SMESH_subMesh* sm = itsub->next();
755 //check algo on sub-meshes
756 int aTopAlgoDim2 = algo->GetDim();
757 if (!checkMissing (aGen, aMesh, sm, aTopAlgoDim2,
758 globalChecked, checkNoAlgo2, aCheckedMap, theErrors))
761 if (sm->GetAlgoState() == SMESH_subMesh::NO_ALGO )
762 checkNoAlgo2 = false;
765 aCheckedMap.insert( sm );
771 //=======================================================================
772 //function : CheckAlgoState
773 //purpose : notify on bad state of attached algos, return false
774 // if Compute() would fail because of some algo bad state
775 //=======================================================================
777 bool SMESH_Gen::CheckAlgoState(SMESH_Mesh& aMesh, const TopoDS_Shape& aShape)
779 list< TAlgoStateError > errors;
780 return GetAlgoState( aMesh, aShape, errors );
783 //=======================================================================
784 //function : GetAlgoState
785 //purpose : notify on bad state of attached algos, return false
786 // if Compute() would fail because of some algo bad state
787 // theErrors list contains problems description
788 //=======================================================================
790 bool SMESH_Gen::GetAlgoState(SMESH_Mesh& theMesh,
791 const TopoDS_Shape& theShape,
792 list< TAlgoStateError > & theErrors)
794 //MESSAGE("SMESH_Gen::CheckAlgoState");
797 bool hasAlgo = false;
799 SMESH_subMesh* sm = theMesh.GetSubMesh(theShape);
800 const SMESHDS_Mesh* meshDS = theMesh.GetMeshDS();
801 TopoDS_Shape mainShape = meshDS->ShapeToMesh();
807 const SMESH_Algo* aGlobAlgoArr[] = {0,0,0,0};
809 const list<const SMESHDS_Hypothesis*>& listHyp = meshDS->GetHypothesis( mainShape );
810 list<const SMESHDS_Hypothesis*>::const_iterator it=listHyp.begin();
811 for ( ; it != listHyp.end(); it++)
813 const SMESHDS_Hypothesis * aHyp = *it;
814 if (aHyp->GetType() == SMESHDS_Hypothesis::PARAM_ALGO)
817 const SMESH_Algo* algo = dynamic_cast<const SMESH_Algo*> (aHyp);
820 int dim = algo->GetDim();
821 aGlobAlgoArr[ dim ] = algo;
826 // --------------------------------------------------------
827 // info on algos that will be ignored because of ones that
828 // don't NeedDiscreteBoundary() attached to super-shapes,
829 // check that a conform mesh will be produced
830 // --------------------------------------------------------
833 // find a global algo possibly hiding sub-algos
835 const SMESH_Algo* aGlobIgnoAlgo = 0;
836 for (dim = 3; dim > 0; dim--)
838 if (aGlobAlgoArr[ dim ] &&
839 !aGlobAlgoArr[ dim ]->NeedDiscreteBoundary() /*&&
840 !aGlobAlgoArr[ dim ]->SupportSubmeshes()*/ )
842 aGlobIgnoAlgo = aGlobAlgoArr[ dim ];
847 set<SMESH_subMesh*> aCheckedSubs;
848 bool checkConform = ( !theMesh.IsNotConformAllowed() );
850 // loop on theShape and its sub-shapes
851 SMESH_subMeshIteratorPtr revItSub = sm->getDependsOnIterator( /*includeSelf=*/true,
852 /*complexShapeFirst=*/true);
853 while ( revItSub->more() )
855 SMESH_subMesh* smToCheck = revItSub->next();
856 if ( smToCheck->GetSubShape().ShapeType() == TopAbs_VERTEX)
859 if ( aCheckedSubs.insert( smToCheck ).second ) // not yet checked
860 if (!checkConformIgnoredAlgos (theMesh, smToCheck, aGlobIgnoAlgo,
861 0, checkConform, aCheckedSubs, theErrors))
864 if ( smToCheck->GetAlgoState() != SMESH_subMesh::NO_ALGO )
868 // ----------------------------------------------------------------
869 // info on missing hypothesis and find out if all needed algos are
871 // ----------------------------------------------------------------
873 //MESSAGE( "---info on missing hypothesis and find out if all needed algos are");
875 // find max dim of global algo
877 for (dim = 3; dim > 0; dim--)
879 if (aGlobAlgoArr[ dim ])
885 bool checkNoAlgo = theMesh.HasShapeToMesh() ? bool( aTopAlgoDim ) : false;
886 bool globalChecked[] = { false, false, false, false };
888 // loop on theShape and its sub-shapes
889 aCheckedSubs.clear();
890 revItSub = sm->getDependsOnIterator( /*includeSelf=*/true, /*complexShapeFirst=*/true);
891 while ( revItSub->more() )
893 SMESH_subMesh* smToCheck = revItSub->next();
894 if ( smToCheck->GetSubShape().ShapeType() == TopAbs_VERTEX)
897 if (!checkMissing (this, theMesh, smToCheck, aTopAlgoDim,
898 globalChecked, checkNoAlgo, aCheckedSubs, theErrors))
901 if (smToCheck->GetAlgoState() == SMESH_subMesh::NO_ALGO )
908 INFOS( "None algorithm attached" );
909 theErrors.push_back( TAlgoStateError() );
910 theErrors.back().Set( SMESH_Hypothesis::HYP_MISSING, 1, true );
916 //=======================================================================
917 //function : IsGlobalHypothesis
918 //purpose : check if theAlgo is attached to the main shape
919 //=======================================================================
921 bool SMESH_Gen::IsGlobalHypothesis(const SMESH_Hypothesis* theHyp, SMESH_Mesh& aMesh)
923 SMESH_HypoFilter filter( SMESH_HypoFilter::Is( theHyp ));
924 return aMesh.GetHypothesis( aMesh.GetMeshDS()->ShapeToMesh(), filter, false );
927 //================================================================================
929 * \brief Return paths to xml files of plugins
931 //================================================================================
933 std::vector< std::string > SMESH_Gen::GetPluginXMLPaths()
935 // Get paths to xml files of plugins
936 vector< string > xmlPaths;
938 if ( const char* meshersList = getenv("SMESH_MeshersList") )
940 string meshers = meshersList, plugin;
941 string::size_type from = 0, pos;
942 while ( from < meshers.size() )
944 // cut off plugin name
945 pos = meshers.find( ':', from );
946 if ( pos != string::npos )
947 plugin = meshers.substr( from, pos-from );
949 plugin = meshers.substr( from ), pos = meshers.size();
952 // get PLUGIN_ROOT_DIR path
953 string rootDirVar, pluginSubDir = plugin;
954 if ( plugin == "StdMeshers" )
955 rootDirVar = "SMESH", pluginSubDir = "smesh";
957 for ( pos = 0; pos < plugin.size(); ++pos )
958 rootDirVar += toupper( plugin[pos] );
959 rootDirVar += "_ROOT_DIR";
961 const char* rootDir = getenv( rootDirVar.c_str() );
962 if ( !rootDir || strlen(rootDir) == 0 )
964 rootDirVar = plugin + "_ROOT_DIR"; // HexoticPLUGIN_ROOT_DIR
965 rootDir = getenv( rootDirVar.c_str() );
966 if ( !rootDir || strlen(rootDir) == 0 ) continue;
969 // get a separator from rootDir
970 for ( pos = strlen( rootDir )-1; pos >= 0 && sep.empty(); --pos )
971 if ( rootDir[pos] == '/' || rootDir[pos] == '\\' )
977 if (sep.empty() ) sep = "\\";
979 if (sep.empty() ) sep = "/";
982 // get a path to resource file
983 string xmlPath = rootDir;
984 if ( xmlPath[ xmlPath.size()-1 ] != sep[0] )
986 xmlPath += "share" + sep + "salome" + sep + "resources" + sep;
987 for ( pos = 0; pos < pluginSubDir.size(); ++pos )
988 xmlPath += tolower( pluginSubDir[pos] );
989 xmlPath += sep + plugin + ".xml";
992 fileOK = (GetFileAttributes(xmlPath.c_str()) != INVALID_FILE_ATTRIBUTES);
994 fileOK = (access(xmlPath.c_str(), F_OK) == 0);
997 xmlPaths.push_back( xmlPath );
1004 //=============================================================================
1006 * Finds algo to mesh a shape. Optionally returns a shape the found algo is bound to
1008 //=============================================================================
1010 SMESH_Algo *SMESH_Gen::GetAlgo(SMESH_Mesh & aMesh,
1011 const TopoDS_Shape & aShape,
1012 TopoDS_Shape* assignedTo)
1014 SMESH_HypoFilter filter( SMESH_HypoFilter::IsAlgo() );
1015 filter.And( filter.IsApplicableTo( aShape ));
1017 typedef SMESH_Algo::Features AlgoData;
1019 TopoDS_Shape assignedToShape;
1021 (SMESH_Algo*) aMesh.GetHypothesis( aShape, filter, true, &assignedToShape );
1024 aShape.ShapeType() == TopAbs_FACE &&
1025 !aShape.IsSame( assignedToShape ) &&
1026 SMESH_MesherHelper::NbAncestors( aShape, aMesh, TopAbs_SOLID ) > 1 )
1028 // Issue 0021559. If there is another 2D algo with different types of output
1029 // elements that can be used to mesh aShape, and 3D algos on adjacent SOLIDs
1030 // have different types of input elements, we choose a most appropriate 2D algo.
1032 // try to find a concurrent 2D algo
1033 filter.AndNot( filter.Is( algo ));
1034 TopoDS_Shape assignedToShape2;
1036 (SMESH_Algo*) aMesh.GetHypothesis( aShape, filter, true, &assignedToShape2 );
1037 if ( algo2 && // algo found
1038 !assignedToShape2.IsSame( aMesh.GetShapeToMesh() ) && // algo is local
1039 ( SMESH_MesherHelper::GetGroupType( assignedToShape2 ) == // algo of the same level
1040 SMESH_MesherHelper::GetGroupType( assignedToShape )) &&
1041 aMesh.IsOrderOK( aMesh.GetSubMesh( assignedToShape2 ), // no forced order
1042 aMesh.GetSubMesh( assignedToShape )))
1044 // get algos on the adjacent SOLIDs
1045 filter.Init( filter.IsAlgo() ).And( filter.HasDim( 3 ));
1046 vector< SMESH_Algo* > algos3D;
1047 PShapeIteratorPtr solidIt = SMESH_MesherHelper::GetAncestors( aShape, aMesh,
1049 while ( const TopoDS_Shape* solid = solidIt->next() )
1050 if ( SMESH_Algo* algo3D = (SMESH_Algo*) aMesh.GetHypothesis( *solid, filter, true ))
1052 algos3D.push_back( algo3D );
1053 filter.AndNot( filter.HasName( algo3D->GetName() ));
1055 // check compatibility of algos
1056 if ( algos3D.size() > 1 )
1058 const AlgoData& algoData = algo->SMESH_Algo::GetFeatures();
1059 const AlgoData& algoData2 = algo2->SMESH_Algo::GetFeatures();
1060 const AlgoData& algoData3d0 = algos3D[0]->SMESH_Algo::GetFeatures();
1061 const AlgoData& algoData3d1 = algos3D[1]->SMESH_Algo::GetFeatures();
1062 if (( algoData2.IsCompatible( algoData3d0 ) &&
1063 algoData2.IsCompatible( algoData3d1 ))
1065 !(algoData.IsCompatible( algoData3d0 ) &&
1066 algoData.IsCompatible( algoData3d1 )))
1072 if ( assignedTo && algo )
1073 * assignedTo = assignedToShape;
1078 //=============================================================================
1080 * Returns StudyContextStruct for a study
1082 //=============================================================================
1084 StudyContextStruct *SMESH_Gen::GetStudyContext(int studyId)
1086 // Get studyContext, create it if it does'nt exist, with a SMESHDS_Document
1088 if (_mapStudyContext.find(studyId) == _mapStudyContext.end())
1090 _mapStudyContext[studyId] = new StudyContextStruct;
1091 _mapStudyContext[studyId]->myDocument = new SMESHDS_Document(studyId);
1093 StudyContextStruct *myStudyContext = _mapStudyContext[studyId];
1094 return myStudyContext;
1097 //================================================================================
1099 * \brief Return shape dimension by TopAbs_ShapeEnum
1101 //================================================================================
1103 int SMESH_Gen::GetShapeDim(const TopAbs_ShapeEnum & aShapeType)
1105 static vector<int> dim;
1108 dim.resize( TopAbs_SHAPE, -1 );
1109 dim[ TopAbs_COMPOUND ] = MeshDim_3D;
1110 dim[ TopAbs_COMPSOLID ] = MeshDim_3D;
1111 dim[ TopAbs_SOLID ] = MeshDim_3D;
1112 dim[ TopAbs_SHELL ] = MeshDim_2D;
1113 dim[ TopAbs_FACE ] = MeshDim_2D;
1114 dim[ TopAbs_WIRE ] = MeshDim_1D;
1115 dim[ TopAbs_EDGE ] = MeshDim_1D;
1116 dim[ TopAbs_VERTEX ] = MeshDim_0D;
1118 return dim[ aShapeType ];
1121 //=============================================================================
1123 * Genarate a new id unique withing this Gen
1125 //=============================================================================
1127 int SMESH_Gen::GetANewId()