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>
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 for ( aShapeDim = 0; aShapeDim < 4; ++aShapeDim )
293 // ------------------------------------------------
294 // sort list of sub-meshes according to mesh order
295 // ------------------------------------------------
296 aMesh.SortByMeshOrder( smWithAlgoSupportingSubmeshes[ aShapeDim ] );
298 // ------------------------------------------------------------
299 // compute sub-meshes with local uni-dimensional algos under
300 // sub-meshes with all-dimensional algos
301 // ------------------------------------------------------------
302 list< SMESH_subMesh* >::iterator subIt, subEnd;
303 subIt = smWithAlgoSupportingSubmeshes[ aShapeDim ].begin();
304 subEnd = smWithAlgoSupportingSubmeshes[ aShapeDim ].end();
305 // start from lower shapes
306 for ( ; subIt != subEnd; ++subIt )
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 subIt = smWithAlgoSupportingSubmeshes[ aShapeDim ].begin();
347 for ( ; subIt != subEnd; ++subIt )
350 if ( sm->GetComputeState() == SMESH_subMesh::READY_TO_COMPUTE)
352 const TopAbs_ShapeEnum shapeType = sm->GetSubShape().ShapeType();
353 // check for preview dimension limitations
354 if ( aShapesId && GetShapeDim( shapeType ) > (int)aDim )
357 if (_compute_canceled)
360 sm->ComputeStateEngine( computeEvent );
363 aShapesId->insert( sm->GetId() );
366 } // loop on shape dimensions
368 // -----------------------------------------------
369 // mesh the rest sub-shapes starting from vertices
370 // -----------------------------------------------
371 ret = Compute( aMesh, aShape, aShapeOnly, /*anUpward=*/true, aDim, aShapesId );
374 MESSAGE( "VSR - SMESH_Gen::Compute() finished, OK = " << ret);
377 SMESHDS_Mesh *myMesh = aMesh.GetMeshDS();
378 MESSAGE("*** compactMesh after compute");
379 myMesh->compactMesh();
381 // fix quadratic mesh by bending iternal links near concave boundary
382 if ( aShape.IsSame( aMesh.GetShapeToMesh() ) &&
383 !aShapesId && // not preview
384 ret ) // everything is OK
386 SMESH_MesherHelper aHelper( aMesh );
387 if ( aHelper.IsQuadraticMesh() != SMESH_MesherHelper::LINEAR )
389 aHelper.FixQuadraticElements( sm->GetComputeError() );
396 #ifdef WITH_SMESH_CANCEL_COMPUTE
397 //=============================================================================
399 * Prepare Compute a mesh
401 //=============================================================================
402 void SMESH_Gen::PrepareCompute(SMESH_Mesh & aMesh,
403 const TopoDS_Shape & aShape)
405 _compute_canceled = false;
408 //=============================================================================
410 * Cancel Compute a mesh
412 //=============================================================================
413 void SMESH_Gen::CancelCompute(SMESH_Mesh & aMesh,
414 const TopoDS_Shape & aShape)
416 _compute_canceled = true;
419 _sm_current->ComputeStateEngine( SMESH_subMesh::COMPUTE_CANCELED );
424 //=============================================================================
428 //=============================================================================
430 bool SMESH_Gen::Evaluate(SMESH_Mesh & aMesh,
431 const TopoDS_Shape & aShape,
432 MapShapeNbElems& aResMap,
434 TSetOfInt* aShapesId)
436 MESSAGE("SMESH_Gen::Evaluate");
440 SMESH_subMesh *sm = aMesh.GetSubMesh(aShape);
442 const bool includeSelf = true;
443 const bool complexShapeFirst = true;
444 SMESH_subMeshIteratorPtr smIt;
446 if ( anUpward ) { // is called from below code here
447 // -----------------------------------------------
448 // mesh all the sub-shapes starting from vertices
449 // -----------------------------------------------
450 smIt = sm->getDependsOnIterator(includeSelf, !complexShapeFirst);
451 while ( smIt->more() ) {
452 SMESH_subMesh* smToCompute = smIt->next();
454 // do not mesh vertices of a pseudo shape
455 const TopAbs_ShapeEnum shapeType = smToCompute->GetSubShape().ShapeType();
456 //if ( !aMesh.HasShapeToMesh() && shapeType == TopAbs_VERTEX )
458 if ( !aMesh.HasShapeToMesh() ) {
459 if( shapeType == TopAbs_VERTEX || shapeType == TopAbs_WIRE ||
460 shapeType == TopAbs_SHELL )
464 smToCompute->Evaluate(aResMap);
466 aShapesId->insert( smToCompute->GetId() );
471 // -----------------------------------------------------------------
472 // apply algos that DO NOT require Discreteized boundaries and DO NOT
473 // support sub-meshes, starting from the most complex shapes
474 // and collect sub-meshes with algos that DO support sub-meshes
475 // -----------------------------------------------------------------
476 list< SMESH_subMesh* > smWithAlgoSupportingSubmeshes;
477 smIt = sm->getDependsOnIterator(includeSelf, complexShapeFirst);
478 while ( smIt->more() ) {
479 SMESH_subMesh* smToCompute = smIt->next();
480 const TopoDS_Shape& aSubShape = smToCompute->GetSubShape();
481 const int aShapeDim = GetShapeDim( aSubShape );
482 if ( aShapeDim < 1 ) break;
484 SMESH_Algo* algo = GetAlgo( aMesh, aSubShape );
485 if ( algo && !algo->NeedDiscreteBoundary() ) {
486 if ( algo->SupportSubmeshes() ) {
487 smWithAlgoSupportingSubmeshes.push_front( smToCompute );
490 smToCompute->Evaluate(aResMap);
492 aShapesId->insert( smToCompute->GetId() );
497 // ------------------------------------------------------------
498 // sort list of meshes according to mesh order
499 // ------------------------------------------------------------
500 aMesh.SortByMeshOrder( smWithAlgoSupportingSubmeshes );
502 // ------------------------------------------------------------
503 // compute sub-meshes under shapes with algos that DO NOT require
504 // Discreteized boundaries and DO support sub-meshes
505 // ------------------------------------------------------------
506 list< SMESH_subMesh* >::iterator subIt, subEnd;
507 subIt = smWithAlgoSupportingSubmeshes.begin();
508 subEnd = smWithAlgoSupportingSubmeshes.end();
509 // start from lower shapes
510 for ( ; subIt != subEnd; ++subIt ) {
513 // get a shape the algo is assigned to
514 TopoDS_Shape algoShape;
515 if ( !GetAlgo( aMesh, sm->GetSubShape(), & algoShape ))
516 continue; // strange...
518 // look for more local algos
519 smIt = sm->getDependsOnIterator(!includeSelf, !complexShapeFirst);
520 while ( smIt->more() ) {
521 SMESH_subMesh* smToCompute = smIt->next();
523 const TopoDS_Shape& aSubShape = smToCompute->GetSubShape();
524 const int aShapeDim = GetShapeDim( aSubShape );
525 if ( aShapeDim < 1 ) continue;
527 SMESH_HypoFilter filter( SMESH_HypoFilter::IsAlgo() );
529 .And( SMESH_HypoFilter::IsApplicableTo( aSubShape ))
530 .And( SMESH_HypoFilter::IsMoreLocalThan( algoShape, aMesh ));
532 if ( SMESH_Algo* subAlgo = (SMESH_Algo*) aMesh.GetHypothesis( aSubShape, filter, true )) {
533 if ( ! subAlgo->NeedDiscreteBoundary() ) continue;
534 SMESH_Hypothesis::Hypothesis_Status status;
535 if ( subAlgo->CheckHypothesis( aMesh, aSubShape, status ))
536 // mesh a lower smToCompute starting from vertices
537 Evaluate( aMesh, aSubShape, aResMap, /*anUpward=*/true, aShapesId );
541 // ----------------------------------------------------------
542 // apply the algos that do not require Discreteized boundaries
543 // ----------------------------------------------------------
544 for ( subIt = smWithAlgoSupportingSubmeshes.begin(); subIt != subEnd; ++subIt )
547 sm->Evaluate(aResMap);
549 aShapesId->insert( sm->GetId() );
552 // -----------------------------------------------
553 // mesh the rest sub-shapes starting from vertices
554 // -----------------------------------------------
555 ret = Evaluate( aMesh, aShape, aResMap, /*anUpward=*/true, aShapesId );
558 MESSAGE( "VSR - SMESH_Gen::Evaluate() finished, OK = " << ret);
563 //=======================================================================
564 //function : checkConformIgnoredAlgos
566 //=======================================================================
568 static bool checkConformIgnoredAlgos(SMESH_Mesh& aMesh,
569 SMESH_subMesh* aSubMesh,
570 const SMESH_Algo* aGlobIgnoAlgo,
571 const SMESH_Algo* aLocIgnoAlgo,
573 set<SMESH_subMesh*>& aCheckedMap,
574 list< SMESH_Gen::TAlgoStateError > & theErrors)
577 if ( aSubMesh->GetSubShape().ShapeType() == TopAbs_VERTEX)
583 const list<const SMESHDS_Hypothesis*>& listHyp =
584 aMesh.GetMeshDS()->GetHypothesis( aSubMesh->GetSubShape() );
585 list<const SMESHDS_Hypothesis*>::const_iterator it=listHyp.begin();
586 for ( ; it != listHyp.end(); it++)
588 const SMESHDS_Hypothesis * aHyp = *it;
589 if (aHyp->GetType() == SMESHDS_Hypothesis::PARAM_ALGO)
592 const SMESH_Algo* algo = dynamic_cast<const SMESH_Algo*> (aHyp);
595 if ( aLocIgnoAlgo ) // algo is hidden by a local algo of upper dim
597 theErrors.push_back( SMESH_Gen::TAlgoStateError() );
598 theErrors.back().Set( SMESH_Hypothesis::HYP_HIDDEN_ALGO, algo, false );
599 INFOS( "Local <" << algo->GetName() << "> is hidden by local <"
600 << aLocIgnoAlgo->GetName() << ">");
604 bool isGlobal = (aMesh.IsMainShape( aSubMesh->GetSubShape() ));
605 int dim = algo->GetDim();
606 int aMaxGlobIgnoDim = ( aGlobIgnoAlgo ? aGlobIgnoAlgo->GetDim() : -1 );
607 bool isNeededDim = ( aGlobIgnoAlgo ? aGlobIgnoAlgo->NeedLowerHyps( dim ) : false );
609 if (( dim < aMaxGlobIgnoDim && !isNeededDim ) &&
610 ( isGlobal || !aGlobIgnoAlgo->SupportSubmeshes() ))
612 // algo is hidden by a global algo
613 theErrors.push_back( SMESH_Gen::TAlgoStateError() );
614 theErrors.back().Set( SMESH_Hypothesis::HYP_HIDDEN_ALGO, algo, true );
615 INFOS( ( isGlobal ? "Global" : "Local" )
616 << " <" << algo->GetName() << "> is hidden by global <"
617 << aGlobIgnoAlgo->GetName() << ">");
619 else if ( !algo->NeedDiscreteBoundary() && !isGlobal)
621 // local algo is not hidden and hides algos on sub-shapes
622 if (checkConform && !aSubMesh->IsConform( algo ))
625 checkConform = false; // no more check conformity
626 INFOS( "ERROR: Local <" << algo->GetName() <<
627 "> would produce not conform mesh: "
628 "<Not Conform Mesh Allowed> hypotesis is missing");
629 theErrors.push_back( SMESH_Gen::TAlgoStateError() );
630 theErrors.back().Set( SMESH_Hypothesis::HYP_NOTCONFORM, algo, false );
633 // sub-algos will be hidden by a local <algo> if <algo> does not support sub-meshes
634 if ( algo->SupportSubmeshes() )
636 SMESH_subMeshIteratorPtr revItSub =
637 aSubMesh->getDependsOnIterator( /*includeSelf=*/false, /*complexShapeFirst=*/true);
638 bool checkConform2 = false;
639 while ( revItSub->more() )
641 SMESH_subMesh* sm = revItSub->next();
642 checkConformIgnoredAlgos (aMesh, sm, aGlobIgnoAlgo,
643 algo, checkConform2, aCheckedMap, theErrors);
644 aCheckedMap.insert( sm );
653 //=======================================================================
654 //function : checkMissing
655 //purpose : notify on missing hypothesis
656 // Return false if algo or hipothesis is missing
657 //=======================================================================
659 static bool checkMissing(SMESH_Gen* aGen,
661 SMESH_subMesh* aSubMesh,
662 const int aTopAlgoDim,
664 const bool checkNoAlgo,
665 set<SMESH_subMesh*>& aCheckedMap,
666 list< SMESH_Gen::TAlgoStateError > & theErrors)
668 switch ( aSubMesh->GetSubShape().ShapeType() )
672 case TopAbs_SOLID: break; // check this sub-mesh, it can be meshed
674 return true; // not meshable sub-mesh
676 if ( aCheckedMap.count( aSubMesh ))
679 //MESSAGE("=====checkMissing");
682 SMESH_Algo* algo = 0;
684 switch (aSubMesh->GetAlgoState())
686 case SMESH_subMesh::NO_ALGO: {
689 // should there be any algo?
690 int shapeDim = SMESH_Gen::GetShapeDim( aSubMesh->GetSubShape() );
691 if (aTopAlgoDim > shapeDim)
693 MESSAGE( "ERROR: " << shapeDim << "D algorithm is missing" );
695 theErrors.push_back( SMESH_Gen::TAlgoStateError() );
696 theErrors.back().Set( SMESH_Hypothesis::HYP_MISSING, shapeDim, true );
701 case SMESH_subMesh::MISSING_HYP: {
702 // notify if an algo missing hyp is attached to aSubMesh
703 algo = aSubMesh->GetAlgo();
705 bool IsGlobalHypothesis = aGen->IsGlobalHypothesis( algo, aMesh );
706 if (!IsGlobalHypothesis || !globalChecked[ algo->GetDim() ])
708 TAlgoStateErrorName errName = SMESH_Hypothesis::HYP_MISSING;
709 SMESH_Hypothesis::Hypothesis_Status status;
710 algo->CheckHypothesis( aMesh, aSubMesh->GetSubShape(), status );
711 if ( status == SMESH_Hypothesis::HYP_BAD_PARAMETER ) {
712 MESSAGE( "ERROR: hypothesis of " << (IsGlobalHypothesis ? "Global " : "Local ")
713 << "<" << algo->GetName() << "> has a bad parameter value");
715 } else if ( status == SMESH_Hypothesis::HYP_BAD_GEOMETRY ) {
716 MESSAGE( "ERROR: " << (IsGlobalHypothesis ? "Global " : "Local ")
717 << "<" << algo->GetName() << "> assigned to mismatching geometry");
720 MESSAGE( "ERROR: " << (IsGlobalHypothesis ? "Global " : "Local ")
721 << "<" << algo->GetName() << "> misses some hypothesis");
723 if (IsGlobalHypothesis)
724 globalChecked[ algo->GetDim() ] = true;
725 theErrors.push_back( SMESH_Gen::TAlgoStateError() );
726 theErrors.back().Set( errName, algo, IsGlobalHypothesis );
731 case SMESH_subMesh::HYP_OK:
732 algo = aSubMesh->GetAlgo();
734 if (!algo->NeedDiscreteBoundary())
736 SMESH_subMeshIteratorPtr itsub = aSubMesh->getDependsOnIterator( /*includeSelf=*/false,
737 /*complexShapeFirst=*/false);
738 while ( itsub->more() )
739 aCheckedMap.insert( itsub->next() );
745 // do not check under algo that hides sub-algos or
746 // re-start checking NO_ALGO state
748 bool isTopLocalAlgo =
749 ( aTopAlgoDim <= algo->GetDim() && !aGen->IsGlobalHypothesis( algo, aMesh ));
750 if (!algo->NeedDiscreteBoundary() || isTopLocalAlgo)
752 bool checkNoAlgo2 = ( algo->NeedDiscreteBoundary() );
753 SMESH_subMeshIteratorPtr itsub = aSubMesh->getDependsOnIterator( /*includeSelf=*/false,
754 /*complexShapeFirst=*/true);
755 while ( itsub->more() )
757 // sub-meshes should not be checked further more
758 SMESH_subMesh* sm = itsub->next();
762 //check algo on sub-meshes
763 int aTopAlgoDim2 = algo->GetDim();
764 if (!checkMissing (aGen, aMesh, sm, aTopAlgoDim2,
765 globalChecked, checkNoAlgo2, aCheckedMap, theErrors))
768 if (sm->GetAlgoState() == SMESH_subMesh::NO_ALGO )
769 checkNoAlgo2 = false;
772 aCheckedMap.insert( sm );
778 //=======================================================================
779 //function : CheckAlgoState
780 //purpose : notify on bad state of attached algos, return false
781 // if Compute() would fail because of some algo bad state
782 //=======================================================================
784 bool SMESH_Gen::CheckAlgoState(SMESH_Mesh& aMesh, const TopoDS_Shape& aShape)
786 list< TAlgoStateError > errors;
787 return GetAlgoState( aMesh, aShape, errors );
790 //=======================================================================
791 //function : GetAlgoState
792 //purpose : notify on bad state of attached algos, return false
793 // if Compute() would fail because of some algo bad state
794 // theErrors list contains problems description
795 //=======================================================================
797 bool SMESH_Gen::GetAlgoState(SMESH_Mesh& theMesh,
798 const TopoDS_Shape& theShape,
799 list< TAlgoStateError > & theErrors)
801 //MESSAGE("SMESH_Gen::CheckAlgoState");
804 bool hasAlgo = false;
806 SMESH_subMesh* sm = theMesh.GetSubMesh(theShape);
807 const SMESHDS_Mesh* meshDS = theMesh.GetMeshDS();
808 TopoDS_Shape mainShape = meshDS->ShapeToMesh();
814 const SMESH_Algo* aGlobAlgoArr[] = {0,0,0,0};
816 const list<const SMESHDS_Hypothesis*>& listHyp = meshDS->GetHypothesis( mainShape );
817 list<const SMESHDS_Hypothesis*>::const_iterator it=listHyp.begin();
818 for ( ; it != listHyp.end(); it++)
820 const SMESHDS_Hypothesis * aHyp = *it;
821 if (aHyp->GetType() == SMESHDS_Hypothesis::PARAM_ALGO)
824 const SMESH_Algo* algo = dynamic_cast<const SMESH_Algo*> (aHyp);
827 int dim = algo->GetDim();
828 aGlobAlgoArr[ dim ] = algo;
833 // --------------------------------------------------------
834 // info on algos that will be ignored because of ones that
835 // don't NeedDiscreteBoundary() attached to super-shapes,
836 // check that a conform mesh will be produced
837 // --------------------------------------------------------
840 // find a global algo possibly hiding sub-algos
842 const SMESH_Algo* aGlobIgnoAlgo = 0;
843 for (dim = 3; dim > 0; dim--)
845 if (aGlobAlgoArr[ dim ] &&
846 !aGlobAlgoArr[ dim ]->NeedDiscreteBoundary() /*&&
847 !aGlobAlgoArr[ dim ]->SupportSubmeshes()*/ )
849 aGlobIgnoAlgo = aGlobAlgoArr[ dim ];
854 set<SMESH_subMesh*> aCheckedSubs;
855 bool checkConform = ( !theMesh.IsNotConformAllowed() );
857 // loop on theShape and its sub-shapes
858 SMESH_subMeshIteratorPtr revItSub = sm->getDependsOnIterator( /*includeSelf=*/true,
859 /*complexShapeFirst=*/true);
860 while ( revItSub->more() )
862 SMESH_subMesh* smToCheck = revItSub->next();
863 if ( smToCheck->GetSubShape().ShapeType() == TopAbs_VERTEX)
866 if ( aCheckedSubs.insert( smToCheck ).second ) // not yet checked
867 if (!checkConformIgnoredAlgos (theMesh, smToCheck, aGlobIgnoAlgo,
868 0, checkConform, aCheckedSubs, theErrors))
871 if ( smToCheck->GetAlgoState() != SMESH_subMesh::NO_ALGO )
875 // ----------------------------------------------------------------
876 // info on missing hypothesis and find out if all needed algos are
878 // ----------------------------------------------------------------
880 //MESSAGE( "---info on missing hypothesis and find out if all needed algos are");
882 // find max dim of global algo
884 for (dim = 3; dim > 0; dim--)
886 if (aGlobAlgoArr[ dim ])
892 bool checkNoAlgo = theMesh.HasShapeToMesh() ? bool( aTopAlgoDim ) : false;
893 bool globalChecked[] = { false, false, false, false };
895 // loop on theShape and its sub-shapes
896 aCheckedSubs.clear();
897 revItSub = sm->getDependsOnIterator( /*includeSelf=*/true, /*complexShapeFirst=*/true);
898 while ( revItSub->more() )
900 SMESH_subMesh* smToCheck = revItSub->next();
901 if ( smToCheck->GetSubShape().ShapeType() == TopAbs_VERTEX)
904 if (!checkMissing (this, theMesh, smToCheck, aTopAlgoDim,
905 globalChecked, checkNoAlgo, aCheckedSubs, theErrors))
908 if (smToCheck->GetAlgoState() == SMESH_subMesh::NO_ALGO )
915 INFOS( "None algorithm attached" );
916 theErrors.push_back( TAlgoStateError() );
917 theErrors.back().Set( SMESH_Hypothesis::HYP_MISSING, 1, true );
923 //=======================================================================
924 //function : IsGlobalHypothesis
925 //purpose : check if theAlgo is attached to the main shape
926 //=======================================================================
928 bool SMESH_Gen::IsGlobalHypothesis(const SMESH_Hypothesis* theHyp, SMESH_Mesh& aMesh)
930 SMESH_HypoFilter filter( SMESH_HypoFilter::Is( theHyp ));
931 return aMesh.GetHypothesis( aMesh.GetMeshDS()->ShapeToMesh(), filter, false );
934 //================================================================================
936 * \brief Return paths to xml files of plugins
938 //================================================================================
940 std::vector< std::string > SMESH_Gen::GetPluginXMLPaths()
942 // Get paths to xml files of plugins
943 vector< string > xmlPaths;
945 if ( const char* meshersList = getenv("SMESH_MeshersList") )
947 string meshers = meshersList, plugin;
948 string::size_type from = 0, pos;
949 while ( from < meshers.size() )
951 // cut off plugin name
952 pos = meshers.find( ':', from );
953 if ( pos != string::npos )
954 plugin = meshers.substr( from, pos-from );
956 plugin = meshers.substr( from ), pos = meshers.size();
959 // get PLUGIN_ROOT_DIR path
960 string rootDirVar, pluginSubDir = plugin;
961 if ( plugin == "StdMeshers" )
962 rootDirVar = "SMESH", pluginSubDir = "smesh";
964 for ( pos = 0; pos < plugin.size(); ++pos )
965 rootDirVar += toupper( plugin[pos] );
966 rootDirVar += "_ROOT_DIR";
968 const char* rootDir = getenv( rootDirVar.c_str() );
969 if ( !rootDir || strlen(rootDir) == 0 )
971 rootDirVar = plugin + "_ROOT_DIR"; // HexoticPLUGIN_ROOT_DIR
972 rootDir = getenv( rootDirVar.c_str() );
973 if ( !rootDir || strlen(rootDir) == 0 ) continue;
976 // get a separator from rootDir
977 for ( pos = strlen( rootDir )-1; pos >= 0 && sep.empty(); --pos )
978 if ( rootDir[pos] == '/' || rootDir[pos] == '\\' )
984 if (sep.empty() ) sep = "\\";
986 if (sep.empty() ) sep = "/";
989 // get a path to resource file
990 string xmlPath = rootDir;
991 if ( xmlPath[ xmlPath.size()-1 ] != sep[0] )
993 xmlPath += "share" + sep + "salome" + sep + "resources" + sep;
994 for ( pos = 0; pos < pluginSubDir.size(); ++pos )
995 xmlPath += tolower( pluginSubDir[pos] );
996 xmlPath += sep + plugin + ".xml";
999 fileOK = (GetFileAttributes(xmlPath.c_str()) != INVALID_FILE_ATTRIBUTES);
1001 fileOK = (access(xmlPath.c_str(), F_OK) == 0);
1004 xmlPaths.push_back( xmlPath );
1011 //=============================================================================
1013 * Finds algo to mesh a shape. Optionally returns a shape the found algo is bound to
1015 //=============================================================================
1017 SMESH_Algo *SMESH_Gen::GetAlgo(SMESH_Mesh & aMesh,
1018 const TopoDS_Shape & aShape,
1019 TopoDS_Shape* assignedTo)
1021 SMESH_HypoFilter filter( SMESH_HypoFilter::IsAlgo() );
1022 filter.And( filter.IsApplicableTo( aShape ));
1024 typedef SMESH_Algo::Features AlgoData;
1026 TopoDS_Shape assignedToShape;
1028 (SMESH_Algo*) aMesh.GetHypothesis( aShape, filter, true, &assignedToShape );
1031 aShape.ShapeType() == TopAbs_FACE &&
1032 !aShape.IsSame( assignedToShape ) &&
1033 SMESH_MesherHelper::NbAncestors( aShape, aMesh, TopAbs_SOLID ) > 1 )
1035 // Issue 0021559. If there is another 2D algo with different types of output
1036 // elements that can be used to mesh aShape, and 3D algos on adjacent SOLIDs
1037 // have different types of input elements, we choose a most appropriate 2D algo.
1039 // try to find a concurrent 2D algo
1040 filter.AndNot( filter.Is( algo ));
1041 TopoDS_Shape assignedToShape2;
1043 (SMESH_Algo*) aMesh.GetHypothesis( aShape, filter, true, &assignedToShape2 );
1044 if ( algo2 && // algo found
1045 !assignedToShape2.IsSame( aMesh.GetShapeToMesh() ) && // algo is local
1046 ( SMESH_MesherHelper::GetGroupType( assignedToShape2 ) == // algo of the same level
1047 SMESH_MesherHelper::GetGroupType( assignedToShape )) &&
1048 aMesh.IsOrderOK( aMesh.GetSubMesh( assignedToShape2 ), // no forced order
1049 aMesh.GetSubMesh( assignedToShape )))
1051 // get algos on the adjacent SOLIDs
1052 filter.Init( filter.IsAlgo() ).And( filter.HasDim( 3 ));
1053 vector< SMESH_Algo* > algos3D;
1054 PShapeIteratorPtr solidIt = SMESH_MesherHelper::GetAncestors( aShape, aMesh,
1056 while ( const TopoDS_Shape* solid = solidIt->next() )
1057 if ( SMESH_Algo* algo3D = (SMESH_Algo*) aMesh.GetHypothesis( *solid, filter, true ))
1059 algos3D.push_back( algo3D );
1060 filter.AndNot( filter.HasName( algo3D->GetName() ));
1062 // check compatibility of algos
1063 if ( algos3D.size() > 1 )
1065 const AlgoData& algoData = algo->SMESH_Algo::GetFeatures();
1066 const AlgoData& algoData2 = algo2->SMESH_Algo::GetFeatures();
1067 const AlgoData& algoData3d0 = algos3D[0]->SMESH_Algo::GetFeatures();
1068 const AlgoData& algoData3d1 = algos3D[1]->SMESH_Algo::GetFeatures();
1069 if (( algoData2.IsCompatible( algoData3d0 ) &&
1070 algoData2.IsCompatible( algoData3d1 ))
1072 !(algoData.IsCompatible( algoData3d0 ) &&
1073 algoData.IsCompatible( algoData3d1 )))
1079 if ( assignedTo && algo )
1080 * assignedTo = assignedToShape;
1085 //=============================================================================
1087 * Returns StudyContextStruct for a study
1089 //=============================================================================
1091 StudyContextStruct *SMESH_Gen::GetStudyContext(int studyId)
1093 // Get studyContext, create it if it does'nt exist, with a SMESHDS_Document
1095 if (_mapStudyContext.find(studyId) == _mapStudyContext.end())
1097 _mapStudyContext[studyId] = new StudyContextStruct;
1098 _mapStudyContext[studyId]->myDocument = new SMESHDS_Document(studyId);
1100 StudyContextStruct *myStudyContext = _mapStudyContext[studyId];
1101 return myStudyContext;
1104 //================================================================================
1106 * \brief Return shape dimension by TopAbs_ShapeEnum
1108 //================================================================================
1110 int SMESH_Gen::GetShapeDim(const TopAbs_ShapeEnum & aShapeType)
1112 static vector<int> dim;
1115 dim.resize( TopAbs_SHAPE, -1 );
1116 dim[ TopAbs_COMPOUND ] = MeshDim_3D;
1117 dim[ TopAbs_COMPSOLID ] = MeshDim_3D;
1118 dim[ TopAbs_SOLID ] = MeshDim_3D;
1119 dim[ TopAbs_SHELL ] = MeshDim_2D;
1120 dim[ TopAbs_FACE ] = MeshDim_2D;
1121 dim[ TopAbs_WIRE ] = MeshDim_1D;
1122 dim[ TopAbs_EDGE ] = MeshDim_1D;
1123 dim[ TopAbs_VERTEX ] = MeshDim_0D;
1125 return dim[ aShapeType ];
1128 //=============================================================================
1130 * Genarate a new id unique withing this Gen
1132 //=============================================================================
1134 int SMESH_Gen::GetANewId()