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 // Other issues influenced the algo applying order:
209 // 21406, 21556, 21893, 20206
210 multimap< int, SMESH_subMesh* > shDim2sm;
211 multimap< int, SMESH_subMesh* >::reverse_iterator shDim2smIt;
212 TopoDS_Shape algoShape;
213 int prevShapeDim = -1, aShapeDim;
215 smIt = sm->getDependsOnIterator(includeSelf, complexShapeFirst);
216 while ( smIt->more() )
218 SMESH_subMesh* smToCompute = smIt->next();
219 if ( smToCompute->GetComputeState() != SMESH_subMesh::READY_TO_COMPUTE )
222 const TopoDS_Shape& aSubShape = smToCompute->GetSubShape();
223 aShapeDim = GetShapeDim( aSubShape );
224 if ( aShapeDim < 1 ) break;
226 // check for preview dimension limitations
227 if ( aShapesId && aShapeDim > (int)aDim )
230 SMESH_Algo* algo = GetAlgo( aMesh, aSubShape, &algoShape );
231 if ( algo && !algo->NeedDiscreteBoundary() )
233 if ( algo->SupportSubmeshes() )
235 // reload sub-meshes from shDim2sm into smWithAlgoSupportingSubmeshes
236 // so that more local algos to go first
237 if ( prevShapeDim != aShapeDim )
239 prevShapeDim = aShapeDim;
240 for ( shDim2smIt = shDim2sm.rbegin(); shDim2smIt != shDim2sm.rend(); ++shDim2smIt )
241 if ( shDim2smIt->first == globalAlgoDim )
242 smWithAlgoSupportingSubmeshes[ aShapeDim ].push_back( shDim2smIt->second );
244 smWithAlgoSupportingSubmeshes[ aShapeDim ].push_front( shDim2smIt->second );
247 // add smToCompute to shDim2sm map
248 if ( algoShape.IsSame( aMesh.GetShapeToMesh() ))
250 aShapeDim = globalAlgoDim; // to compute last
254 aShapeDim = GetShapeDim( algoShape );
255 if ( algoShape.ShapeType() == TopAbs_COMPOUND )
257 TopoDS_Iterator it( algoShape );
258 aShapeDim += GetShapeDim( it.Value() );
261 shDim2sm.insert( make_pair( aShapeDim, smToCompute ));
263 else // Compute w/o support of sub-meshes
265 if (_compute_canceled)
267 _sm_current = smToCompute;
268 smToCompute->ComputeStateEngine( computeEvent );
271 aShapesId->insert( smToCompute->GetId() );
275 // reload sub-meshes from shDim2sm into smWithAlgoSupportingSubmeshes
276 for ( shDim2smIt = shDim2sm.rbegin(); shDim2smIt != shDim2sm.rend(); ++shDim2smIt )
277 if ( shDim2smIt->first == globalAlgoDim )
278 smWithAlgoSupportingSubmeshes[3].push_back( shDim2smIt->second );
280 smWithAlgoSupportingSubmeshes[0].push_front( shDim2smIt->second );
282 // ======================================================
283 // Apply all-dimensional algorithms supporing sub-meshes
284 // ======================================================
286 for ( aShapeDim = 0; aShapeDim < 4; ++aShapeDim )
288 // ------------------------------------------------
289 // sort list of sub-meshes according to mesh order
290 // ------------------------------------------------
291 aMesh.SortByMeshOrder( smWithAlgoSupportingSubmeshes[ aShapeDim ] );
293 // ------------------------------------------------------------
294 // compute sub-meshes with local uni-dimensional algos under
295 // sub-meshes with all-dimensional algos
296 // ------------------------------------------------------------
297 list< SMESH_subMesh* >::iterator subIt, subEnd;
298 subIt = smWithAlgoSupportingSubmeshes[ aShapeDim ].begin();
299 subEnd = smWithAlgoSupportingSubmeshes[ aShapeDim ].end();
300 // start from lower shapes
301 for ( ; subIt != subEnd; ++subIt )
305 // get a shape the algo is assigned to
306 if ( !GetAlgo( aMesh, sm->GetSubShape(), & algoShape ))
307 continue; // strange...
309 // look for more local algos
310 smIt = sm->getDependsOnIterator(!includeSelf, !complexShapeFirst);
311 while ( smIt->more() )
313 SMESH_subMesh* smToCompute = smIt->next();
315 const TopoDS_Shape& aSubShape = smToCompute->GetSubShape();
316 const int aShapeDim = GetShapeDim( aSubShape );
317 //if ( aSubShape.ShapeType() == TopAbs_VERTEX ) continue;
318 if ( aShapeDim < 1 ) continue;
320 // check for preview dimension limitations
321 if ( aShapesId && GetShapeDim( aSubShape.ShapeType() ) > (int)aDim )
324 SMESH_HypoFilter filter( SMESH_HypoFilter::IsAlgo() );
326 .And( SMESH_HypoFilter::IsApplicableTo( aSubShape ))
327 .And( SMESH_HypoFilter::IsMoreLocalThan( algoShape, aMesh ));
329 if ( SMESH_Algo* subAlgo = (SMESH_Algo*) aMesh.GetHypothesis( aSubShape, filter, true )) {
330 if ( ! subAlgo->NeedDiscreteBoundary() ) continue;
331 SMESH_Hypothesis::Hypothesis_Status status;
332 if ( subAlgo->CheckHypothesis( aMesh, aSubShape, status ))
333 // mesh a lower smToCompute starting from vertices
334 Compute( aMesh, aSubShape, /*anUpward=*/true, aDim, aShapesId );
338 // --------------------------------
339 // apply the all-dimensional algos
340 // --------------------------------
341 subIt = smWithAlgoSupportingSubmeshes[ aShapeDim ].begin();
342 for ( ; subIt != subEnd; ++subIt )
345 if ( sm->GetComputeState() == SMESH_subMesh::READY_TO_COMPUTE)
347 const TopAbs_ShapeEnum aShType = sm->GetSubShape().ShapeType();
348 // check for preview dimension limitations
349 if ( aShapesId && GetShapeDim( aShType ) > (int)aDim )
352 if (_compute_canceled)
355 sm->ComputeStateEngine( computeEvent );
358 aShapesId->insert( sm->GetId() );
361 } // loop on shape dimensions
363 // -----------------------------------------------
364 // mesh the rest sub-shapes starting from vertices
365 // -----------------------------------------------
366 ret = Compute( aMesh, aShape, /*anUpward=*/true, aDim, aShapesId );
369 MESSAGE( "VSR - SMESH_Gen::Compute() finished, OK = " << ret);
372 SMESHDS_Mesh *myMesh = aMesh.GetMeshDS();
373 MESSAGE("*** compactMesh after compute");
374 myMesh->compactMesh();
376 // fix quadratic mesh by bending iternal links near concave boundary
377 if ( aShape.IsSame( aMesh.GetShapeToMesh() ) &&
378 !aShapesId && // not preview
379 ret ) // everything is OK
381 SMESH_MesherHelper aHelper( aMesh );
382 if ( aHelper.IsQuadraticMesh() != SMESH_MesherHelper::LINEAR )
384 aHelper.FixQuadraticElements( sm->GetComputeError() );
391 #ifdef WITH_SMESH_CANCEL_COMPUTE
392 //=============================================================================
394 * Prepare Compute a mesh
396 //=============================================================================
397 void SMESH_Gen::PrepareCompute(SMESH_Mesh & aMesh,
398 const TopoDS_Shape & aShape)
400 _compute_canceled = false;
403 //=============================================================================
405 * Cancel Compute a mesh
407 //=============================================================================
408 void SMESH_Gen::CancelCompute(SMESH_Mesh & aMesh,
409 const TopoDS_Shape & aShape)
411 _compute_canceled = true;
414 _sm_current->ComputeStateEngine( SMESH_subMesh::COMPUTE_CANCELED );
419 //=============================================================================
423 //=============================================================================
425 bool SMESH_Gen::Evaluate(SMESH_Mesh & aMesh,
426 const TopoDS_Shape & aShape,
427 MapShapeNbElems& aResMap,
429 TSetOfInt* aShapesId)
431 MESSAGE("SMESH_Gen::Evaluate");
435 SMESH_subMesh *sm = aMesh.GetSubMesh(aShape);
437 const bool includeSelf = true;
438 const bool complexShapeFirst = true;
439 SMESH_subMeshIteratorPtr smIt;
441 if ( anUpward ) { // is called from below code here
442 // -----------------------------------------------
443 // mesh all the sub-shapes starting from vertices
444 // -----------------------------------------------
445 smIt = sm->getDependsOnIterator(includeSelf, !complexShapeFirst);
446 while ( smIt->more() ) {
447 SMESH_subMesh* smToCompute = smIt->next();
449 // do not mesh vertices of a pseudo shape
450 const TopAbs_ShapeEnum aShType = smToCompute->GetSubShape().ShapeType();
451 //if ( !aMesh.HasShapeToMesh() && aShType == TopAbs_VERTEX )
453 if ( !aMesh.HasShapeToMesh() ) {
454 if( aShType == TopAbs_VERTEX || aShType == TopAbs_WIRE ||
455 aShType == TopAbs_SHELL )
459 smToCompute->Evaluate(aResMap);
461 aShapesId->insert( smToCompute->GetId() );
466 // -----------------------------------------------------------------
467 // apply algos that DO NOT require Discreteized boundaries and DO NOT
468 // support sub-meshes, starting from the most complex shapes
469 // and collect sub-meshes with algos that DO support sub-meshes
470 // -----------------------------------------------------------------
471 list< SMESH_subMesh* > smWithAlgoSupportingSubmeshes;
472 smIt = sm->getDependsOnIterator(includeSelf, complexShapeFirst);
473 while ( smIt->more() ) {
474 SMESH_subMesh* smToCompute = smIt->next();
475 const TopoDS_Shape& aSubShape = smToCompute->GetSubShape();
476 const int aShapeDim = GetShapeDim( aSubShape );
477 if ( aShapeDim < 1 ) break;
479 SMESH_Algo* algo = GetAlgo( aMesh, aSubShape );
480 if ( algo && !algo->NeedDiscreteBoundary() ) {
481 if ( algo->SupportSubmeshes() ) {
482 smWithAlgoSupportingSubmeshes.push_front( smToCompute );
485 smToCompute->Evaluate(aResMap);
487 aShapesId->insert( smToCompute->GetId() );
492 // ------------------------------------------------------------
493 // sort list of meshes according to mesh order
494 // ------------------------------------------------------------
495 aMesh.SortByMeshOrder( smWithAlgoSupportingSubmeshes );
497 // ------------------------------------------------------------
498 // compute sub-meshes under shapes with algos that DO NOT require
499 // Discreteized boundaries and DO support sub-meshes
500 // ------------------------------------------------------------
501 list< SMESH_subMesh* >::iterator subIt, subEnd;
502 subIt = smWithAlgoSupportingSubmeshes.begin();
503 subEnd = smWithAlgoSupportingSubmeshes.end();
504 // start from lower shapes
505 for ( ; subIt != subEnd; ++subIt ) {
508 // get a shape the algo is assigned to
509 TopoDS_Shape algoShape;
510 if ( !GetAlgo( aMesh, sm->GetSubShape(), & algoShape ))
511 continue; // strange...
513 // look for more local algos
514 smIt = sm->getDependsOnIterator(!includeSelf, !complexShapeFirst);
515 while ( smIt->more() ) {
516 SMESH_subMesh* smToCompute = smIt->next();
518 const TopoDS_Shape& aSubShape = smToCompute->GetSubShape();
519 const int aShapeDim = GetShapeDim( aSubShape );
520 if ( aShapeDim < 1 ) continue;
522 //const TopAbs_ShapeEnum aShType = smToCompute->GetSubShape().ShapeType();
524 SMESH_HypoFilter filter( SMESH_HypoFilter::IsAlgo() );
526 .And( SMESH_HypoFilter::IsApplicableTo( aSubShape ))
527 .And( SMESH_HypoFilter::IsMoreLocalThan( algoShape, aMesh ));
529 if ( SMESH_Algo* subAlgo = (SMESH_Algo*) aMesh.GetHypothesis( aSubShape, filter, true )) {
530 if ( ! subAlgo->NeedDiscreteBoundary() ) continue;
531 SMESH_Hypothesis::Hypothesis_Status status;
532 if ( subAlgo->CheckHypothesis( aMesh, aSubShape, status ))
533 // mesh a lower smToCompute starting from vertices
534 Evaluate( aMesh, aSubShape, aResMap, /*anUpward=*/true, aShapesId );
538 // ----------------------------------------------------------
539 // apply the algos that do not require Discreteized boundaries
540 // ----------------------------------------------------------
541 for ( subIt = smWithAlgoSupportingSubmeshes.begin(); subIt != subEnd; ++subIt )
544 sm->Evaluate(aResMap);
546 aShapesId->insert( sm->GetId() );
549 // -----------------------------------------------
550 // mesh the rest sub-shapes starting from vertices
551 // -----------------------------------------------
552 ret = Evaluate( aMesh, aShape, aResMap, /*anUpward=*/true, aShapesId );
555 MESSAGE( "VSR - SMESH_Gen::Evaluate() finished, OK = " << ret);
560 //=======================================================================
561 //function : checkConformIgnoredAlgos
563 //=======================================================================
565 static bool checkConformIgnoredAlgos(SMESH_Mesh& aMesh,
566 SMESH_subMesh* aSubMesh,
567 const SMESH_Algo* aGlobIgnoAlgo,
568 const SMESH_Algo* aLocIgnoAlgo,
570 set<SMESH_subMesh*>& aCheckedMap,
571 list< SMESH_Gen::TAlgoStateError > & theErrors)
574 if ( aSubMesh->GetSubShape().ShapeType() == TopAbs_VERTEX)
580 const list<const SMESHDS_Hypothesis*>& listHyp =
581 aMesh.GetMeshDS()->GetHypothesis( aSubMesh->GetSubShape() );
582 list<const SMESHDS_Hypothesis*>::const_iterator it=listHyp.begin();
583 for ( ; it != listHyp.end(); it++)
585 const SMESHDS_Hypothesis * aHyp = *it;
586 if (aHyp->GetType() == SMESHDS_Hypothesis::PARAM_ALGO)
589 const SMESH_Algo* algo = dynamic_cast<const SMESH_Algo*> (aHyp);
592 if ( aLocIgnoAlgo ) // algo is hidden by a local algo of upper dim
594 theErrors.push_back( SMESH_Gen::TAlgoStateError() );
595 theErrors.back().Set( SMESH_Hypothesis::HYP_HIDDEN_ALGO, algo, false );
596 INFOS( "Local <" << algo->GetName() << "> is hidden by local <"
597 << aLocIgnoAlgo->GetName() << ">");
601 bool isGlobal = (aMesh.IsMainShape( aSubMesh->GetSubShape() ));
602 int dim = algo->GetDim();
603 int aMaxGlobIgnoDim = ( aGlobIgnoAlgo ? aGlobIgnoAlgo->GetDim() : -1 );
604 bool isNeededDim = ( aGlobIgnoAlgo ? aGlobIgnoAlgo->NeedLowerHyps( dim ) : false );
606 if (( dim < aMaxGlobIgnoDim && !isNeededDim ) &&
607 ( isGlobal || !aGlobIgnoAlgo->SupportSubmeshes() ))
609 // algo is hidden by a global algo
610 theErrors.push_back( SMESH_Gen::TAlgoStateError() );
611 theErrors.back().Set( SMESH_Hypothesis::HYP_HIDDEN_ALGO, algo, true );
612 INFOS( ( isGlobal ? "Global" : "Local" )
613 << " <" << algo->GetName() << "> is hidden by global <"
614 << aGlobIgnoAlgo->GetName() << ">");
616 else if ( !algo->NeedDiscreteBoundary() && !isGlobal)
618 // local algo is not hidden and hides algos on sub-shapes
619 if (checkConform && !aSubMesh->IsConform( algo ))
622 checkConform = false; // no more check conformity
623 INFOS( "ERROR: Local <" << algo->GetName() <<
624 "> would produce not conform mesh: "
625 "<Not Conform Mesh Allowed> hypotesis is missing");
626 theErrors.push_back( SMESH_Gen::TAlgoStateError() );
627 theErrors.back().Set( SMESH_Hypothesis::HYP_NOTCONFORM, algo, false );
630 // sub-algos will be hidden by a local <algo>
631 SMESH_subMeshIteratorPtr revItSub =
632 aSubMesh->getDependsOnIterator( /*includeSelf=*/false, /*complexShapeFirst=*/true);
633 bool checkConform2 = false;
634 while ( revItSub->more() )
636 SMESH_subMesh* sm = revItSub->next();
637 checkConformIgnoredAlgos (aMesh, sm, aGlobIgnoAlgo,
638 algo, checkConform2, aCheckedMap, theErrors);
639 aCheckedMap.insert( sm );
648 //=======================================================================
649 //function : checkMissing
650 //purpose : notify on missing hypothesis
651 // Return false if algo or hipothesis is missing
652 //=======================================================================
654 static bool checkMissing(SMESH_Gen* aGen,
656 SMESH_subMesh* aSubMesh,
657 const int aTopAlgoDim,
659 const bool checkNoAlgo,
660 set<SMESH_subMesh*>& aCheckedMap,
661 list< SMESH_Gen::TAlgoStateError > & theErrors)
663 switch ( aSubMesh->GetSubShape().ShapeType() )
667 case TopAbs_SOLID: break; // check this sub-mesh, it can be meshed
669 return true; // not meshable sub-mesh
671 if ( aCheckedMap.count( aSubMesh ))
674 //MESSAGE("=====checkMissing");
677 SMESH_Algo* algo = 0;
679 switch (aSubMesh->GetAlgoState())
681 case SMESH_subMesh::NO_ALGO: {
684 // should there be any algo?
685 int shapeDim = SMESH_Gen::GetShapeDim( aSubMesh->GetSubShape() );
686 if (aTopAlgoDim > shapeDim)
688 MESSAGE( "ERROR: " << shapeDim << "D algorithm is missing" );
690 theErrors.push_back( SMESH_Gen::TAlgoStateError() );
691 theErrors.back().Set( SMESH_Hypothesis::HYP_MISSING, shapeDim, true );
696 case SMESH_subMesh::MISSING_HYP: {
697 // notify if an algo missing hyp is attached to aSubMesh
698 algo = aSubMesh->GetAlgo();
700 bool IsGlobalHypothesis = aGen->IsGlobalHypothesis( algo, aMesh );
701 if (!IsGlobalHypothesis || !globalChecked[ algo->GetDim() ])
703 TAlgoStateErrorName errName = SMESH_Hypothesis::HYP_MISSING;
704 SMESH_Hypothesis::Hypothesis_Status status;
705 algo->CheckHypothesis( aMesh, aSubMesh->GetSubShape(), status );
706 if ( status == SMESH_Hypothesis::HYP_BAD_PARAMETER ) {
707 MESSAGE( "ERROR: hypothesis of " << (IsGlobalHypothesis ? "Global " : "Local ")
708 << "<" << algo->GetName() << "> has a bad parameter value");
710 } else if ( status == SMESH_Hypothesis::HYP_BAD_GEOMETRY ) {
711 MESSAGE( "ERROR: " << (IsGlobalHypothesis ? "Global " : "Local ")
712 << "<" << algo->GetName() << "> assigned to mismatching geometry");
715 MESSAGE( "ERROR: " << (IsGlobalHypothesis ? "Global " : "Local ")
716 << "<" << algo->GetName() << "> misses some hypothesis");
718 if (IsGlobalHypothesis)
719 globalChecked[ algo->GetDim() ] = true;
720 theErrors.push_back( SMESH_Gen::TAlgoStateError() );
721 theErrors.back().Set( errName, algo, IsGlobalHypothesis );
726 case SMESH_subMesh::HYP_OK:
727 algo = aSubMesh->GetAlgo();
729 if (!algo->NeedDiscreteBoundary())
731 SMESH_subMeshIteratorPtr itsub = aSubMesh->getDependsOnIterator( /*includeSelf=*/false,
732 /*complexShapeFirst=*/false);
733 while ( itsub->more() )
734 aCheckedMap.insert( itsub->next() );
740 // do not check under algo that hides sub-algos or
741 // re-start checking NO_ALGO state
743 bool isTopLocalAlgo =
744 ( aTopAlgoDim <= algo->GetDim() && !aGen->IsGlobalHypothesis( algo, aMesh ));
745 if (!algo->NeedDiscreteBoundary() || isTopLocalAlgo)
747 bool checkNoAlgo2 = ( algo->NeedDiscreteBoundary() );
748 SMESH_subMeshIteratorPtr itsub = aSubMesh->getDependsOnIterator( /*includeSelf=*/false,
749 /*complexShapeFirst=*/true);
750 while ( itsub->more() )
752 // sub-meshes should not be checked further more
753 SMESH_subMesh* sm = itsub->next();
757 //check algo on sub-meshes
758 int aTopAlgoDim2 = algo->GetDim();
759 if (!checkMissing (aGen, aMesh, sm, aTopAlgoDim2,
760 globalChecked, checkNoAlgo2, aCheckedMap, theErrors))
763 if (sm->GetAlgoState() == SMESH_subMesh::NO_ALGO )
764 checkNoAlgo2 = false;
767 aCheckedMap.insert( sm );
773 //=======================================================================
774 //function : CheckAlgoState
775 //purpose : notify on bad state of attached algos, return false
776 // if Compute() would fail because of some algo bad state
777 //=======================================================================
779 bool SMESH_Gen::CheckAlgoState(SMESH_Mesh& aMesh, const TopoDS_Shape& aShape)
781 list< TAlgoStateError > errors;
782 return GetAlgoState( aMesh, aShape, errors );
785 //=======================================================================
786 //function : GetAlgoState
787 //purpose : notify on bad state of attached algos, return false
788 // if Compute() would fail because of some algo bad state
789 // theErrors list contains problems description
790 //=======================================================================
792 bool SMESH_Gen::GetAlgoState(SMESH_Mesh& theMesh,
793 const TopoDS_Shape& theShape,
794 list< TAlgoStateError > & theErrors)
796 //MESSAGE("SMESH_Gen::CheckAlgoState");
799 bool hasAlgo = false;
801 SMESH_subMesh* sm = theMesh.GetSubMesh(theShape);
802 const SMESHDS_Mesh* meshDS = theMesh.GetMeshDS();
803 TopoDS_Shape mainShape = meshDS->ShapeToMesh();
809 const SMESH_Algo* aGlobAlgoArr[] = {0,0,0,0};
811 const list<const SMESHDS_Hypothesis*>& listHyp = meshDS->GetHypothesis( mainShape );
812 list<const SMESHDS_Hypothesis*>::const_iterator it=listHyp.begin();
813 for ( ; it != listHyp.end(); it++)
815 const SMESHDS_Hypothesis * aHyp = *it;
816 if (aHyp->GetType() == SMESHDS_Hypothesis::PARAM_ALGO)
819 const SMESH_Algo* algo = dynamic_cast<const SMESH_Algo*> (aHyp);
822 int dim = algo->GetDim();
823 aGlobAlgoArr[ dim ] = algo;
828 // --------------------------------------------------------
829 // info on algos that will be ignored because of ones that
830 // don't NeedDiscreteBoundary() attached to super-shapes,
831 // check that a conform mesh will be produced
832 // --------------------------------------------------------
835 // find a global algo possibly hiding sub-algos
837 const SMESH_Algo* aGlobIgnoAlgo = 0;
838 for (dim = 3; dim > 0; dim--)
840 if (aGlobAlgoArr[ dim ] &&
841 !aGlobAlgoArr[ dim ]->NeedDiscreteBoundary() /*&&
842 !aGlobAlgoArr[ dim ]->SupportSubmeshes()*/ )
844 aGlobIgnoAlgo = aGlobAlgoArr[ dim ];
849 set<SMESH_subMesh*> aCheckedSubs;
850 bool checkConform = ( !theMesh.IsNotConformAllowed() );
852 // loop on theShape and its sub-shapes
853 SMESH_subMeshIteratorPtr revItSub = sm->getDependsOnIterator( /*includeSelf=*/true,
854 /*complexShapeFirst=*/true);
855 while ( revItSub->more() )
857 SMESH_subMesh* smToCheck = revItSub->next();
858 if ( smToCheck->GetSubShape().ShapeType() == TopAbs_VERTEX)
861 if ( aCheckedSubs.insert( smToCheck ).second ) // not yet checked
862 if (!checkConformIgnoredAlgos (theMesh, smToCheck, aGlobIgnoAlgo,
863 0, checkConform, aCheckedSubs, theErrors))
866 if ( smToCheck->GetAlgoState() != SMESH_subMesh::NO_ALGO )
870 // ----------------------------------------------------------------
871 // info on missing hypothesis and find out if all needed algos are
873 // ----------------------------------------------------------------
875 //MESSAGE( "---info on missing hypothesis and find out if all needed algos are");
877 // find max dim of global algo
879 for (dim = 3; dim > 0; dim--)
881 if (aGlobAlgoArr[ dim ])
887 bool checkNoAlgo = theMesh.HasShapeToMesh() ? bool( aTopAlgoDim ) : false;
888 bool globalChecked[] = { false, false, false, false };
890 // loop on theShape and its sub-shapes
891 aCheckedSubs.clear();
892 revItSub = sm->getDependsOnIterator( /*includeSelf=*/true, /*complexShapeFirst=*/true);
893 while ( revItSub->more() )
895 SMESH_subMesh* smToCheck = revItSub->next();
896 if ( smToCheck->GetSubShape().ShapeType() == TopAbs_VERTEX)
899 if (!checkMissing (this, theMesh, smToCheck, aTopAlgoDim,
900 globalChecked, checkNoAlgo, aCheckedSubs, theErrors))
903 if (smToCheck->GetAlgoState() == SMESH_subMesh::NO_ALGO )
910 INFOS( "None algorithm attached" );
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()