1 // Copyright (C) 2007-2023 CEA, EDF, OPEN CASCADE
3 // Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
4 // CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
6 // This library is free software; you can redistribute it and/or
7 // modify it under the terms of the GNU Lesser General Public
8 // License as published by the Free Software Foundation; either
9 // version 2.1 of the License, or (at your option) any later version.
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 // Lesser General Public License for more details.
16 // You should have received a copy of the GNU Lesser General Public
17 // License along with this library; if not, write to the Free Software
18 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
23 // SMESH SMESH : implementation of SMESH idl descriptions
24 // File : SMESH_Gen.cxx
25 // Author : Paul RASCLE, EDF
30 #include "SMESH_Gen.hxx"
32 #include "SMESH_DriverMesh.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_Mesh.hxx"
39 #include "SMESH_SequentialMesh.hxx"
40 #include "SMESH_ParallelMesh.hxx"
41 #include "SMESH_MesherHelper.hxx"
42 #include "SMESH_subMesh.hxx"
44 #include <utilities.h>
45 #include <Utils_ExceptHandlers.hxx>
47 #include <TopExp_Explorer.hxx>
49 #include <TopoDS_Iterator.hxx>
61 #include <Basics_Utils.hxx>
64 #include <boost/asio.hpp>
69 #include <boost/filesystem.hpp>
70 namespace fs = boost::filesystem;
73 // Environment variable separator
82 // a structure used to nullify SMESH_Gen field of SMESH_Hypothesis,
83 // which is needed for SMESH_Hypothesis not deleted before ~SMESH_Gen()
84 struct _Hyp : public SMESH_Hypothesis
92 //================================================================================
94 * \brief Fill a map of shapes with all sub-shape of a sub-mesh
96 //================================================================================
98 TopTools_IndexedMapOfShape * fillAllowed( SMESH_subMesh* sm,
100 TopTools_IndexedMapOfShape * allowedSub )
102 if ( !toFill || !allowedSub )
106 if ( allowedSub->IsEmpty() )
108 allowedSub->ReSize( sm->DependsOn().size() + 1 );
109 allowedSub->Add( sm->GetSubShape() );
110 for ( const auto & key_sm : sm->DependsOn() )
111 allowedSub->Add( key_sm.second->GetSubShape() );
117 //=============================================================================
121 //=============================================================================
123 SMESH_Gen::SMESH_Gen()
125 _studyContext = new StudyContextStruct;
126 _studyContext->myDocument = new SMESHDS_Document();
129 _segmentation = _nbSegments = 10;
130 _compute_canceled = false;
133 //=============================================================================
137 //=============================================================================
139 SMESH_Gen::~SMESH_Gen()
141 std::map < int, SMESH_Hypothesis * >::iterator i_hyp = _studyContext->mapHypothesis.begin();
142 for ( ; i_hyp != _studyContext->mapHypothesis.end(); ++i_hyp )
144 if ( _Hyp* h = static_cast< _Hyp*>( i_hyp->second ))
147 delete _studyContext->myDocument;
148 delete _studyContext;
151 //=============================================================================
153 * Creates a mesh in a study.
154 * if (theIsEmbeddedMode) { mesh modification commands are not logged }
156 //=============================================================================
158 SMESH_Mesh* SMESH_Gen::CreateMesh(bool theIsEmbeddedMode)
160 Unexpect aCatch(SalomeException);
162 // create a new SMESH_mesh object
163 SMESH_Mesh *aMesh = new SMESH_SequentialMesh(
167 _studyContext->myDocument);
168 _studyContext->mapMesh[_localId-1] = aMesh;
173 //=============================================================================
175 * Creates a parallel mesh in a study.
176 * if (theIsEmbeddedMode) { mesh modification commands are not logged }
178 //=============================================================================
180 SMESH_ParallelMesh* SMESH_Gen::CreateParallelMesh(bool theIsEmbeddedMode)
182 Unexpect aCatch(SalomeException);
184 // create a new SMESH_mesh object
185 SMESH_ParallelMesh *aMesh = new SMESH_ParallelMesh(
189 _studyContext->myDocument);
190 _studyContext->mapMesh[_localId-1] = aMesh;
195 //=============================================================================
197 * Algo to run the computation of all the submeshes of a mesh in sequentila
199 //=============================================================================
201 bool SMESH_Gen::sequentialComputeSubMeshes(
203 const TopoDS_Shape & aShape,
204 const ::MeshDimension aDim,
205 TSetOfInt* aShapesId /*=0*/,
206 TopTools_IndexedMapOfShape* allowedSubShapes,
207 SMESH_subMesh::compute_event &computeEvent,
208 const bool includeSelf,
209 const bool complexShapeFirst,
210 const bool aShapeOnly)
212 MESSAGE("Sequential Compute of submeshes");
216 SMESH_subMeshIteratorPtr smIt;
217 SMESH_subMesh *shapeSM = aMesh.GetSubMesh(aShape);
219 smIt = shapeSM->getDependsOnIterator(includeSelf, !complexShapeFirst);
220 while ( smIt->more() )
222 SMESH_subMesh* smToCompute = smIt->next();
224 // do not mesh vertices of a pseudo shape
225 const TopoDS_Shape& shape = smToCompute->GetSubShape();
226 const TopAbs_ShapeEnum shapeType = shape.ShapeType();
227 if ( !aMesh.HasShapeToMesh() && shapeType == TopAbs_VERTEX )
230 // check for preview dimension limitations
231 if ( aShapesId && SMESH_Gen::GetShapeDim( shapeType ) > (int)aDim )
233 // clear compute state not to show previous compute errors
234 // if preview invoked less dimension less than previous
235 smToCompute->ComputeStateEngine( SMESH_subMesh::CHECK_COMPUTE_STATE );
239 if (smToCompute->GetComputeState() == SMESH_subMesh::READY_TO_COMPUTE)
241 if (_compute_canceled)
243 smToCompute->SetAllowedSubShapes( fillAllowed( shapeSM, aShapeOnly, allowedSubShapes ));
244 setCurrentSubMesh( smToCompute );
245 smToCompute->ComputeStateEngine( computeEvent );
246 setCurrentSubMesh( nullptr );
247 smToCompute->SetAllowedSubShapes( nullptr );
250 // we check all the sub-meshes here and detect if any of them failed to compute
251 if (smToCompute->GetComputeState() == SMESH_subMesh::FAILED_TO_COMPUTE &&
252 ( shapeType != TopAbs_EDGE || !SMESH_Algo::isDegenerated( TopoDS::Edge( shape ))))
254 else if ( aShapesId )
255 aShapesId->insert( smToCompute->GetId() );
257 //aMesh.GetMeshDS()->Modified();
262 //=============================================================================
264 * compute of a submesh
265 * This function is passed to the thread pool
267 //=============================================================================
268 const std::function<void(SMESH_subMesh*,
269 SMESH_subMesh::compute_event,
272 TopTools_IndexedMapOfShape *,
274 compute_function([] (SMESH_subMesh* sm,
275 SMESH_subMesh::compute_event event,
276 SMESH_subMesh *shapeSM,
278 TopTools_IndexedMapOfShape *allowedSubShapes,
279 TSetOfInt* aShapesId) -> void
281 if (sm->GetComputeState() == SMESH_subMesh::READY_TO_COMPUTE)
283 sm->SetAllowedSubShapes( fillAllowed( shapeSM, aShapeOnly, allowedSubShapes ));
284 //setCurrentSubMesh( sm );
285 sm->ComputeStateEngine(event);
286 //setCurrentSubMesh( nullptr );
287 sm->SetAllowedSubShapes( nullptr );
291 aShapesId->insert( sm->GetId() );
296 //=============================================================================
298 * Copy a file on remote resource
300 //=============================================================================
302 void SMESH_Gen::send_mesh(SMESH_Mesh& aMesh, std::string file_name)
304 SMESH_ParallelMesh& aParMesh = dynamic_cast<SMESH_ParallelMesh&>(aMesh);
305 // Calling run_mesher
306 // Path to mesher script
307 fs::path send_files = fs::path(std::getenv("SMESH_ROOT_DIR"))/
310 fs::path("send_files.py");
312 std::string s_program="python3";
313 std::list<std::string> params;
314 params.push_back(send_files.string());
315 params.push_back(file_name);
316 params.push_back("--resource="+aParMesh.GetResource());
319 fs::path log_file=aParMesh.GetTmpFolder() / fs::path("copy.log");
320 QString out_file = log_file.string().c_str();
322 // Building arguments for QProcess
323 QString program = QString::fromStdString(s_program);
324 QStringList arguments;
325 for(auto arg : params){
326 arguments << arg.c_str();
329 std::string cmd = "";
331 for(auto arg: params){
334 MESSAGE("Send files command: ");
338 myProcess.setProcessChannelMode(QProcess::MergedChannels);
339 myProcess.setStandardOutputFile(out_file);
341 myProcess.start(program, arguments);
342 // Waiting for process to finish (argument -1 make it wait until the end of
343 // the process otherwise it just waits 30 seconds)
344 bool finished = myProcess.waitForFinished(-1);
345 int ret = myProcess.exitCode();
347 if(ret != 0 || !finished){
349 std::string msg = "Issue with send_files: \n";
350 msg += "See log for more details: " + log_file.string() + "\n";
352 throw SALOME_Exception(msg);
356 //=============================================================================
358 * Algo to run the computation of all the submeshes of a mesh in parallel
360 //=============================================================================
362 bool SMESH_Gen::parallelComputeSubMeshes(
364 const TopoDS_Shape & aShape,
365 const ::MeshDimension aDim,
366 TSetOfInt* aShapesId /*=0*/,
367 TopTools_IndexedMapOfShape* allowedSubShapes,
368 SMESH_subMesh::compute_event &computeEvent,
369 const bool includeSelf,
370 const bool complexShapeFirst,
371 const bool aShapeOnly)
374 throw SALOME_Exception("ParallelMesh is not working on Windows");
379 SMESH_subMeshIteratorPtr smIt;
380 SMESH_subMesh *shapeSM = aMesh.GetSubMesh(aShape);
381 SMESH_ParallelMesh &aParMesh = dynamic_cast<SMESH_ParallelMesh&>(aMesh);
383 TopAbs_ShapeEnum previousShapeType = TopAbs_VERTEX;
384 MESSAGE("Parallel Compute of submeshes");
387 smIt = shapeSM->getDependsOnIterator(includeSelf, !complexShapeFirst);
388 while ( smIt->more() )
390 SMESH_subMesh* smToCompute = smIt->next();
392 // do not mesh vertices of a pseudo shape
393 const TopoDS_Shape& shape = smToCompute->GetSubShape();
394 const TopAbs_ShapeEnum shapeType = shape.ShapeType();
395 // Not doing in parallel 1D and 2D meshes
396 if ( !aMesh.HasShapeToMesh() && shapeType == TopAbs_VERTEX )
399 if (shapeType != previousShapeType) {
400 // Waiting for all threads for the previous type to end
403 std::string file_name;
404 switch(previousShapeType){
406 file_name = "Mesh2D.med";
409 // file_name = "Mesh1D.med";
411 //case TopAbs_VERTEX:
412 // file_name = "Mesh0D.med";
421 fs::path mesh_file = fs::path(aParMesh.GetTmpFolder()) / fs::path(file_name);
422 SMESH_DriverMesh::exportMesh(mesh_file.string(), aMesh, "MESH");
423 if (aParMesh.GetParallelismMethod() == ParallelismMethod::MultiNode) {
424 this->send_mesh(aMesh, mesh_file.string());
427 //Resetting threaded pool info
428 previousShapeType = shapeType;
431 // check for preview dimension limitations
432 if ( aShapesId && SMESH_Gen::GetShapeDim( shapeType ) > (int)aDim )
434 // clear compute state not to show previous compute errors
435 // if preview invoked less dimension less than previous
436 smToCompute->ComputeStateEngine( SMESH_subMesh::CHECK_COMPUTE_STATE );
439 // Parallelism is only for 3D parts
440 if(shapeType!=TopAbs_SOLID){
441 compute_function(smToCompute, computeEvent,
442 shapeSM, aShapeOnly, allowedSubShapes,
445 boost::asio::post(*(aParMesh.GetPool()), std::bind(compute_function, smToCompute, computeEvent,
446 shapeSM, aShapeOnly, allowedSubShapes,
451 // Waiting for the thread for Solids to finish
454 aMesh.GetMeshDS()->Modified();
460 //=============================================================================
464 //=============================================================================
466 bool SMESH_Gen::Compute(SMESH_Mesh & aMesh,
467 const TopoDS_Shape & aShape,
468 const int aFlags /*= COMPACT_MESH*/,
469 const ::MeshDimension aDim /*=::MeshDim_3D*/,
470 TSetOfInt* aShapesId /*=0*/,
471 TopTools_IndexedMapOfShape* anAllowedSubShapes/*=0*/)
475 const bool aShapeOnly = aFlags & SHAPE_ONLY;
476 const bool anUpward = aFlags & UPWARD;
477 const bool aCompactMesh = aFlags & COMPACT_MESH;
481 SMESH_subMesh *sm, *shapeSM = aMesh.GetSubMesh(aShape);
483 const bool includeSelf = true;
484 const bool complexShapeFirst = true;
485 const int globalAlgoDim = 100;
487 SMESH_subMeshIteratorPtr smIt;
489 // Fix of Issue 22150. Due to !BLSURF->OnlyUnaryInput(), BLSURF computes edges
490 // that must be computed by Projection 1D-2D while the Projection asks to compute
492 SMESH_subMesh::compute_event computeEvent =
493 aShapeOnly ? SMESH_subMesh::COMPUTE_SUBMESH : SMESH_subMesh::COMPUTE;
494 if ( !aMesh.HasShapeToMesh() )
495 computeEvent = SMESH_subMesh::COMPUTE_NOGEOM; // if several algos and no geometry
497 TopTools_IndexedMapOfShape *allowedSubShapes = anAllowedSubShapes, allowedSub;
498 if ( aShapeOnly && !allowedSubShapes )
499 allowedSubShapes = &allowedSub;
501 if ( anUpward ) // is called from the below code in this method
503 // ===============================================
504 // Mesh all the sub-shapes starting from vertices
505 // ===============================================
506 ret = aMesh.ComputeSubMeshes(
509 aShapesId, allowedSubShapes,
519 // ================================================================
520 // Apply algos that do NOT require discretized boundaries
521 // ("all-dimensional") and do NOT support sub-meshes, starting from
522 // the most complex shapes and collect sub-meshes with algos that
523 // DO support sub-meshes
524 // ================================================================
525 list< SMESH_subMesh* > smWithAlgoSupportingSubmeshes[4]; // for each dim
527 // map to sort sm with same dim algos according to dim of
528 // the shape the algo assigned to (issue 0021217).
529 // Other issues influenced the algo applying order:
530 // 21406, 21556, 21893, 20206
531 multimap< int, SMESH_subMesh* > shDim2sm;
532 multimap< int, SMESH_subMesh* >::reverse_iterator shDim2smIt;
533 TopoDS_Shape algoShape;
534 int prevShapeDim = -1, aShapeDim;
536 smIt = shapeSM->getDependsOnIterator(includeSelf, complexShapeFirst);
537 while ( smIt->more() )
539 SMESH_subMesh* smToCompute = smIt->next();
540 if ( smToCompute->GetComputeState() != SMESH_subMesh::READY_TO_COMPUTE )
543 const TopoDS_Shape& aSubShape = smToCompute->GetSubShape();
544 aShapeDim = GetShapeDim( aSubShape );
545 if ( aShapeDim < 1 ) break;
547 // check for preview dimension limitations
548 if ( aShapesId && aShapeDim > (int)aDim )
551 SMESH_Algo* algo = GetAlgo( smToCompute, &algoShape );
552 if ( algo && !algo->NeedDiscreteBoundary() )
554 if ( algo->SupportSubmeshes() )
556 // reload sub-meshes from shDim2sm into smWithAlgoSupportingSubmeshes
557 // so that more local algos to go first
558 if ( prevShapeDim != aShapeDim )
560 prevShapeDim = aShapeDim;
561 for ( shDim2smIt = shDim2sm.rbegin(); shDim2smIt != shDim2sm.rend(); ++shDim2smIt )
562 if ( shDim2smIt->first == globalAlgoDim )
563 smWithAlgoSupportingSubmeshes[ aShapeDim ].push_back( shDim2smIt->second );
565 smWithAlgoSupportingSubmeshes[ aShapeDim ].push_front( shDim2smIt->second );
568 // add smToCompute to shDim2sm map
569 if ( algoShape.IsSame( aMesh.GetShapeToMesh() ))
571 aShapeDim = globalAlgoDim; // to compute last
575 aShapeDim = GetShapeDim( algoShape );
576 if ( algoShape.ShapeType() == TopAbs_COMPOUND )
578 TopoDS_Iterator it( algoShape );
579 aShapeDim += GetShapeDim( it.Value() );
582 shDim2sm.insert( make_pair( aShapeDim, smToCompute ));
584 else // Compute w/o support of sub-meshes
586 if (_compute_canceled)
588 smToCompute->SetAllowedSubShapes( fillAllowed( shapeSM, aShapeOnly, allowedSubShapes ));
589 setCurrentSubMesh( smToCompute );
590 smToCompute->ComputeStateEngine( computeEvent );
591 setCurrentSubMesh( nullptr );
592 smToCompute->SetAllowedSubShapes( nullptr );
594 aShapesId->insert( smToCompute->GetId() );
598 // reload sub-meshes from shDim2sm into smWithAlgoSupportingSubmeshes
599 for ( shDim2smIt = shDim2sm.rbegin(); shDim2smIt != shDim2sm.rend(); ++shDim2smIt )
600 if ( shDim2smIt->first == globalAlgoDim )
601 smWithAlgoSupportingSubmeshes[3].push_back( shDim2smIt->second );
603 smWithAlgoSupportingSubmeshes[0].push_front( shDim2smIt->second );
605 // ======================================================
606 // Apply all-dimensional algorithms supporing sub-meshes
607 // ======================================================
609 std::vector< SMESH_subMesh* > smVec;
610 for ( aShapeDim = 0; aShapeDim < 4; ++aShapeDim )
611 smVec.insert( smVec.end(),
612 smWithAlgoSupportingSubmeshes[aShapeDim].begin(),
613 smWithAlgoSupportingSubmeshes[aShapeDim].end() );
615 // gather sub-shapes with local uni-dimensional algos (bos #29143)
616 // ----------------------------------------------------------------
617 TopTools_MapOfShape uniDimAlgoShapes;
618 if ( !smVec.empty() )
620 ShapeToHypothesis::Iterator s2hyps( aMesh.GetMeshDS()->GetHypotheses() );
621 for ( ; s2hyps.More(); s2hyps.Next() )
623 const TopoDS_Shape& s = s2hyps.Key();
624 if ( s.IsSame( aMesh.GetShapeToMesh() ))
626 for ( auto & hyp : s2hyps.Value() )
628 if ( const SMESH_Algo* algo = dynamic_cast< const SMESH_Algo*>( hyp ))
629 if ( algo->NeedDiscreteBoundary() )
631 TopAbs_ShapeEnum sType;
632 switch ( algo->GetDim() ) {
633 case 3: sType = TopAbs_SOLID; break;
634 case 2: sType = TopAbs_FACE; break;
635 default: sType = TopAbs_EDGE; break;
637 for ( TopExp_Explorer ex( s2hyps.Key(), sType ); ex.More(); ex.Next() )
638 uniDimAlgoShapes.Add( ex.Current() );
645 // ------------------------------------------------
646 // sort list of sub-meshes according to mesh order
647 // ------------------------------------------------
648 aMesh.SortByMeshOrder( smVec );
650 // ------------------------------------------------------------
651 // compute sub-meshes with local uni-dimensional algos under
652 // sub-meshes with all-dimensional algos
653 // ------------------------------------------------------------
654 // start from lower shapes
655 for ( size_t i = 0; i < smVec.size(); ++i )
658 if ( sm->GetComputeState() != SMESH_subMesh::READY_TO_COMPUTE)
661 const TopAbs_ShapeEnum shapeType = sm->GetSubShape().ShapeType();
663 if ( !uniDimAlgoShapes.IsEmpty() )
665 // get a shape the algo is assigned to
666 if ( !GetAlgo( sm, & algoShape ))
667 continue; // strange...
669 // look for more local algos
670 if ( SMESH_subMesh* algoSM = aMesh.GetSubMesh( algoShape ))
671 smIt = algoSM->getDependsOnIterator(!includeSelf, !complexShapeFirst);
673 smIt = sm->getDependsOnIterator(!includeSelf, !complexShapeFirst);
675 while ( smIt->more() )
677 SMESH_subMesh* smToCompute = smIt->next();
679 const TopoDS_Shape& aSubShape = smToCompute->GetSubShape();
680 const int aShapeDim = GetShapeDim( aSubShape );
681 if ( aShapeDim < 1 || aSubShape.ShapeType() <= shapeType )
683 if ( !uniDimAlgoShapes.Contains( aSubShape ))
684 continue; // [bos #29143] aMesh.GetHypothesis() is too long
686 // check for preview dimension limitations
687 if ( aShapesId && GetShapeDim( aSubShape.ShapeType() ) > (int)aDim )
690 SMESH_HypoFilter filter( SMESH_HypoFilter::IsAlgo() );
692 .And( SMESH_HypoFilter::IsApplicableTo( aSubShape ))
693 .And( SMESH_HypoFilter::IsMoreLocalThan( algoShape, aMesh ));
695 if ( SMESH_Algo* subAlgo = (SMESH_Algo*) aMesh.GetHypothesis( smToCompute, filter, true))
697 if ( ! subAlgo->NeedDiscreteBoundary() ) continue;
698 TopTools_IndexedMapOfShape* localAllowed = allowedSubShapes;
699 if ( localAllowed && localAllowed->IsEmpty() )
700 localAllowed = 0; // prevent fillAllowed() with aSubShape
702 SMESH_Hypothesis::Hypothesis_Status status;
703 if ( subAlgo->CheckHypothesis( aMesh, aSubShape, status ))
704 // mesh a lower smToCompute starting from vertices
705 Compute( aMesh, aSubShape, aFlags | SHAPE_ONLY_UPWARD, aDim, aShapesId, localAllowed );
709 // --------------------------------
710 // apply the all-dimensional algo
711 // --------------------------------
713 if (_compute_canceled)
715 // check for preview dimension limitations
716 if ( aShapesId && GetShapeDim( shapeType ) > (int)aDim )
718 sm->SetAllowedSubShapes( fillAllowed( shapeSM, aShapeOnly, allowedSubShapes ));
720 setCurrentSubMesh( sm );
721 sm->ComputeStateEngine( computeEvent );
723 setCurrentSubMesh( NULL );
724 sm->SetAllowedSubShapes( nullptr );
726 aShapesId->insert( sm->GetId() );
731 // -----------------------------------------------
732 // mesh the rest sub-shapes starting from vertices
733 // -----------------------------------------------
734 ret = Compute( aMesh, aShape, aFlags | UPWARD, aDim, aShapesId, allowedSubShapes );
740 // fix quadratic mesh by bending iternal links near concave boundary
741 if ( aCompactMesh && // a final compute
742 aShape.IsSame( aMesh.GetShapeToMesh() ) &&
743 !aShapesId && // not preview
744 ret ) // everything is OK
746 SMESH_MesherHelper aHelper( aMesh );
747 if ( aHelper.IsQuadraticMesh() != SMESH_MesherHelper::LINEAR )
749 aHelper.FixQuadraticElements( shapeSM->GetComputeError() );
755 aMesh.GetMeshDS()->Modified();
756 aMesh.GetMeshDS()->CompactMesh();
761 //=============================================================================
763 * Prepare Compute a mesh
765 //=============================================================================
766 void SMESH_Gen::PrepareCompute(SMESH_Mesh & /*aMesh*/,
767 const TopoDS_Shape & /*aShape*/)
769 _compute_canceled = false;
770 resetCurrentSubMesh();
773 //=============================================================================
775 * Cancel Compute a mesh
777 //=============================================================================
778 void SMESH_Gen::CancelCompute(SMESH_Mesh & /*aMesh*/,
779 const TopoDS_Shape & /*aShape*/)
781 _compute_canceled = true;
782 if ( const SMESH_subMesh* sm = GetCurrentSubMesh() )
784 const_cast< SMESH_subMesh* >( sm )->ComputeStateEngine( SMESH_subMesh::COMPUTE_CANCELED );
786 resetCurrentSubMesh();
789 //================================================================================
791 * \brief Returns a sub-mesh being currently computed
793 //================================================================================
795 const SMESH_subMesh* SMESH_Gen::GetCurrentSubMesh() const
797 return _sm_current.empty() ? 0 : _sm_current.back();
800 //================================================================================
802 * \brief Sets a sub-mesh being currently computed.
804 * An algorithm can call Compute() for a sub-shape, hence we keep a stack of sub-meshes
806 //================================================================================
808 void SMESH_Gen::setCurrentSubMesh(SMESH_subMesh* sm)
811 _sm_current.push_back( sm );
813 else if ( !_sm_current.empty() )
814 _sm_current.pop_back();
817 void SMESH_Gen::resetCurrentSubMesh()
822 //=============================================================================
826 //=============================================================================
828 bool SMESH_Gen::Evaluate(SMESH_Mesh & aMesh,
829 const TopoDS_Shape & aShape,
830 MapShapeNbElems& aResMap,
832 TSetOfInt* aShapesId)
836 SMESH_subMesh *sm = aMesh.GetSubMesh(aShape);
838 const bool includeSelf = true;
839 const bool complexShapeFirst = true;
840 SMESH_subMeshIteratorPtr smIt;
842 if ( anUpward ) { // is called from below code here
843 // -----------------------------------------------
844 // mesh all the sub-shapes starting from vertices
845 // -----------------------------------------------
846 smIt = sm->getDependsOnIterator(includeSelf, !complexShapeFirst);
847 while ( smIt->more() ) {
848 SMESH_subMesh* smToCompute = smIt->next();
850 // do not mesh vertices of a pseudo shape
851 const TopAbs_ShapeEnum shapeType = smToCompute->GetSubShape().ShapeType();
852 //if ( !aMesh.HasShapeToMesh() && shapeType == TopAbs_VERTEX )
854 if ( !aMesh.HasShapeToMesh() ) {
855 if( shapeType == TopAbs_VERTEX || shapeType == TopAbs_WIRE ||
856 shapeType == TopAbs_SHELL )
860 smToCompute->Evaluate(aResMap);
862 aShapesId->insert( smToCompute->GetId() );
867 // -----------------------------------------------------------------
868 // apply algos that DO NOT require Discreteized boundaries and DO NOT
869 // support sub-meshes, starting from the most complex shapes
870 // and collect sub-meshes with algos that DO support sub-meshes
871 // -----------------------------------------------------------------
872 list< SMESH_subMesh* > smWithAlgoSupportingSubmeshes;
873 smIt = sm->getDependsOnIterator(includeSelf, complexShapeFirst);
874 while ( smIt->more() ) {
875 SMESH_subMesh* smToCompute = smIt->next();
876 const TopoDS_Shape& aSubShape = smToCompute->GetSubShape();
877 const int aShapeDim = GetShapeDim( aSubShape );
878 if ( aShapeDim < 1 ) break;
880 SMESH_Algo* algo = GetAlgo( smToCompute );
881 if ( algo && !algo->NeedDiscreteBoundary() ) {
882 if ( algo->SupportSubmeshes() ) {
883 smWithAlgoSupportingSubmeshes.push_front( smToCompute );
886 smToCompute->Evaluate(aResMap);
888 aShapesId->insert( smToCompute->GetId() );
893 // ------------------------------------------------------------
894 // sort list of meshes according to mesh order
895 // ------------------------------------------------------------
896 std::vector< SMESH_subMesh* > smVec( smWithAlgoSupportingSubmeshes.begin(),
897 smWithAlgoSupportingSubmeshes.end() );
898 aMesh.SortByMeshOrder( smVec );
900 // ------------------------------------------------------------
901 // compute sub-meshes under shapes with algos that DO NOT require
902 // Discreteized boundaries and DO support sub-meshes
903 // ------------------------------------------------------------
904 // start from lower shapes
905 for ( size_t i = 0; i < smVec.size(); ++i )
909 // get a shape the algo is assigned to
910 TopoDS_Shape algoShape;
911 if ( !GetAlgo( sm, & algoShape ))
912 continue; // strange...
914 // look for more local algos
915 smIt = sm->getDependsOnIterator(!includeSelf, !complexShapeFirst);
916 while ( smIt->more() ) {
917 SMESH_subMesh* smToCompute = smIt->next();
919 const TopoDS_Shape& aSubShape = smToCompute->GetSubShape();
920 const int aShapeDim = GetShapeDim( aSubShape );
921 if ( aShapeDim < 1 ) continue;
923 SMESH_HypoFilter filter( SMESH_HypoFilter::IsAlgo() );
925 .And( SMESH_HypoFilter::IsApplicableTo( aSubShape ))
926 .And( SMESH_HypoFilter::IsMoreLocalThan( algoShape, aMesh ));
928 if ( SMESH_Algo* subAlgo = (SMESH_Algo*) aMesh.GetHypothesis( smToCompute, filter, true ))
930 if ( ! subAlgo->NeedDiscreteBoundary() ) continue;
931 SMESH_Hypothesis::Hypothesis_Status status;
932 if ( subAlgo->CheckHypothesis( aMesh, aSubShape, status ))
933 // mesh a lower smToCompute starting from vertices
934 Evaluate( aMesh, aSubShape, aResMap, /*anUpward=*/true, aShapesId );
938 // ----------------------------------------------------------
939 // apply the algos that do not require Discreteized boundaries
940 // ----------------------------------------------------------
941 for ( size_t i = 0; i < smVec.size(); ++i )
944 sm->Evaluate(aResMap);
946 aShapesId->insert( sm->GetId() );
949 // -----------------------------------------------
950 // mesh the rest sub-shapes starting from vertices
951 // -----------------------------------------------
952 ret = Evaluate( aMesh, aShape, aResMap, /*anUpward=*/true, aShapesId );
959 //=======================================================================
960 //function : checkConformIgnoredAlgos
962 //=======================================================================
964 static bool checkConformIgnoredAlgos(SMESH_Mesh& aMesh,
965 SMESH_subMesh* aSubMesh,
966 const SMESH_Algo* aGlobIgnoAlgo,
967 const SMESH_Algo* aLocIgnoAlgo,
969 set<SMESH_subMesh*>& aCheckedMap,
970 list< SMESH_Gen::TAlgoStateError > & theErrors)
973 if ( aSubMesh->GetSubShape().ShapeType() == TopAbs_VERTEX)
979 const list<const SMESHDS_Hypothesis*>& listHyp =
980 aMesh.GetMeshDS()->GetHypothesis( aSubMesh->GetSubShape() );
981 list<const SMESHDS_Hypothesis*>::const_iterator it=listHyp.begin();
982 for ( ; it != listHyp.end(); it++)
984 const SMESHDS_Hypothesis * aHyp = *it;
985 if (aHyp->GetType() == SMESHDS_Hypothesis::PARAM_ALGO)
988 const SMESH_Algo* algo = dynamic_cast<const SMESH_Algo*> (aHyp);
991 if ( aLocIgnoAlgo ) // algo is hidden by a local algo of upper dim
993 theErrors.push_back( SMESH_Gen::TAlgoStateError() );
994 theErrors.back().Set( SMESH_Hypothesis::HYP_HIDDEN_ALGO, algo, false );
995 INFOS( "Local <" << algo->GetName() << "> is hidden by local <"
996 << aLocIgnoAlgo->GetName() << ">");
1000 bool isGlobal = (aMesh.IsMainShape( aSubMesh->GetSubShape() ));
1001 int dim = algo->GetDim();
1002 int aMaxGlobIgnoDim = ( aGlobIgnoAlgo ? aGlobIgnoAlgo->GetDim() : -1 );
1003 bool isNeededDim = ( aGlobIgnoAlgo ? aGlobIgnoAlgo->NeedLowerHyps( dim ) : false );
1005 if (( dim < aMaxGlobIgnoDim && !isNeededDim ) &&
1006 ( isGlobal || !aGlobIgnoAlgo->SupportSubmeshes() ))
1008 // algo is hidden by a global algo
1009 theErrors.push_back( SMESH_Gen::TAlgoStateError() );
1010 theErrors.back().Set( SMESH_Hypothesis::HYP_HIDDEN_ALGO, algo, true );
1011 INFOS( ( isGlobal ? "Global" : "Local" )
1012 << " <" << algo->GetName() << "> is hidden by global <"
1013 << aGlobIgnoAlgo->GetName() << ">");
1015 else if ( !algo->NeedDiscreteBoundary() && !isGlobal)
1017 // local algo is not hidden and hides algos on sub-shapes
1018 if (checkConform && !aSubMesh->IsConform( algo ))
1021 checkConform = false; // no more check conformity
1022 INFOS( "ERROR: Local <" << algo->GetName() <<
1023 "> would produce not conform mesh: "
1024 "<Not Conform Mesh Allowed> hypothesis is missing");
1025 theErrors.push_back( SMESH_Gen::TAlgoStateError() );
1026 theErrors.back().Set( SMESH_Hypothesis::HYP_NOTCONFORM, algo, false );
1029 // sub-algos will be hidden by a local <algo> if <algo> does not support sub-meshes
1030 if ( algo->SupportSubmeshes() )
1032 SMESH_subMeshIteratorPtr revItSub =
1033 aSubMesh->getDependsOnIterator( /*includeSelf=*/false, /*complexShapeFirst=*/true);
1034 bool checkConform2 = false;
1035 while ( revItSub->more() )
1037 SMESH_subMesh* sm = revItSub->next();
1038 checkConformIgnoredAlgos (aMesh, sm, aGlobIgnoAlgo,
1039 algo, checkConform2, aCheckedMap, theErrors);
1040 aCheckedMap.insert( sm );
1049 //=======================================================================
1050 //function : checkMissing
1051 //purpose : notify on missing hypothesis
1052 // Return false if algo or hipothesis is missing
1053 //=======================================================================
1055 static bool checkMissing(SMESH_Gen* aGen,
1057 SMESH_subMesh* aSubMesh,
1058 const int aTopAlgoDim,
1059 bool* globalChecked,
1060 const bool checkNoAlgo,
1061 set<SMESH_subMesh*>& aCheckedMap,
1062 list< SMESH_Gen::TAlgoStateError > & theErrors)
1064 switch ( aSubMesh->GetSubShape().ShapeType() )
1068 case TopAbs_SOLID: break; // check this sub-mesh, it can be meshed
1070 return true; // not meshable sub-mesh
1072 if ( aCheckedMap.count( aSubMesh ))
1076 SMESH_Algo* algo = 0;
1078 switch (aSubMesh->GetAlgoState())
1080 case SMESH_subMesh::NO_ALGO: {
1083 // should there be any algo?
1084 int shapeDim = SMESH_Gen::GetShapeDim( aSubMesh->GetSubShape() );
1085 if (aTopAlgoDim > shapeDim)
1087 MESSAGE( "ERROR: " << shapeDim << "D algorithm is missing" );
1089 theErrors.push_back( SMESH_Gen::TAlgoStateError() );
1090 theErrors.back().Set( SMESH_Hypothesis::HYP_MISSING, shapeDim, true );
1095 case SMESH_subMesh::MISSING_HYP: {
1096 // notify if an algo missing hyp is attached to aSubMesh
1097 algo = aSubMesh->GetAlgo();
1099 bool IsGlobalHypothesis = aGen->IsGlobalHypothesis( algo, aMesh );
1100 if (!IsGlobalHypothesis || !globalChecked[ algo->GetDim() ])
1102 TAlgoStateErrorName errName = SMESH_Hypothesis::HYP_MISSING;
1103 SMESH_Hypothesis::Hypothesis_Status status;
1104 algo->CheckHypothesis( aMesh, aSubMesh->GetSubShape(), status );
1105 if ( status == SMESH_Hypothesis::HYP_BAD_PARAMETER ) {
1106 MESSAGE( "ERROR: hypothesis of " << (IsGlobalHypothesis ? "Global " : "Local ")
1107 << "<" << algo->GetName() << "> has a bad parameter value");
1109 } else if ( status == SMESH_Hypothesis::HYP_BAD_GEOMETRY ) {
1110 MESSAGE( "ERROR: " << (IsGlobalHypothesis ? "Global " : "Local ")
1111 << "<" << algo->GetName() << "> assigned to mismatching geometry");
1114 MESSAGE( "ERROR: " << (IsGlobalHypothesis ? "Global " : "Local ")
1115 << "<" << algo->GetName() << "> misses some hypothesis");
1117 if (IsGlobalHypothesis)
1118 globalChecked[ algo->GetDim() ] = true;
1119 theErrors.push_back( SMESH_Gen::TAlgoStateError() );
1120 theErrors.back().Set( errName, algo, IsGlobalHypothesis );
1125 case SMESH_subMesh::HYP_OK:
1126 algo = aSubMesh->GetAlgo();
1128 if (!algo->NeedDiscreteBoundary())
1130 SMESH_subMeshIteratorPtr itsub = aSubMesh->getDependsOnIterator( /*includeSelf=*/false,
1131 /*complexShapeFirst=*/false);
1132 while ( itsub->more() )
1133 aCheckedMap.insert( itsub->next() );
1139 // do not check under algo that hides sub-algos or
1140 // re-start checking NO_ALGO state
1142 bool isTopLocalAlgo =
1143 ( aTopAlgoDim <= algo->GetDim() && !aGen->IsGlobalHypothesis( algo, aMesh ));
1144 if (!algo->NeedDiscreteBoundary() || isTopLocalAlgo)
1146 bool checkNoAlgo2 = ( algo->NeedDiscreteBoundary() );
1147 SMESH_subMeshIteratorPtr itsub = aSubMesh->getDependsOnIterator( /*includeSelf=*/false,
1148 /*complexShapeFirst=*/true);
1149 while ( itsub->more() )
1151 // sub-meshes should not be checked further more
1152 SMESH_subMesh* sm = itsub->next();
1156 //check algo on sub-meshes
1157 int aTopAlgoDim2 = algo->GetDim();
1158 if (!checkMissing (aGen, aMesh, sm, aTopAlgoDim2,
1159 globalChecked, checkNoAlgo2, aCheckedMap, theErrors))
1162 if (sm->GetAlgoState() == SMESH_subMesh::NO_ALGO )
1163 checkNoAlgo2 = false;
1166 aCheckedMap.insert( sm );
1172 //=======================================================================
1173 //function : CheckAlgoState
1174 //purpose : notify on bad state of attached algos, return false
1175 // if Compute() would fail because of some algo bad state
1176 //=======================================================================
1178 bool SMESH_Gen::CheckAlgoState(SMESH_Mesh& aMesh, const TopoDS_Shape& aShape)
1180 list< TAlgoStateError > errors;
1181 return GetAlgoState( aMesh, aShape, errors );
1184 //=======================================================================
1185 //function : GetAlgoState
1186 //purpose : notify on bad state of attached algos, return false
1187 // if Compute() would fail because of some algo bad state
1188 // theErrors list contains problems description
1189 //=======================================================================
1191 bool SMESH_Gen::GetAlgoState(SMESH_Mesh& theMesh,
1192 const TopoDS_Shape& theShape,
1193 list< TAlgoStateError > & theErrors)
1196 bool hasAlgo = false;
1198 SMESH_subMesh* sm = theMesh.GetSubMesh(theShape);
1199 const SMESHDS_Mesh* meshDS = theMesh.GetMeshDS();
1200 TopoDS_Shape mainShape = meshDS->ShapeToMesh();
1202 // -----------------
1204 // -----------------
1206 const SMESH_Algo* aGlobAlgoArr[] = {0,0,0,0};
1208 const list<const SMESHDS_Hypothesis*>& listHyp = meshDS->GetHypothesis( mainShape );
1209 list<const SMESHDS_Hypothesis*>::const_iterator it=listHyp.begin();
1210 for ( ; it != listHyp.end(); it++)
1212 const SMESHDS_Hypothesis * aHyp = *it;
1213 if (aHyp->GetType() == SMESHDS_Hypothesis::PARAM_ALGO)
1216 const SMESH_Algo* algo = dynamic_cast<const SMESH_Algo*> (aHyp);
1219 int dim = algo->GetDim();
1220 aGlobAlgoArr[ dim ] = algo;
1225 // --------------------------------------------------------
1226 // info on algos that will be ignored because of ones that
1227 // don't NeedDiscreteBoundary() attached to super-shapes,
1228 // check that a conform mesh will be produced
1229 // --------------------------------------------------------
1232 // find a global algo possibly hiding sub-algos
1234 const SMESH_Algo* aGlobIgnoAlgo = 0;
1235 for (dim = 3; dim > 0; dim--)
1237 if (aGlobAlgoArr[ dim ] &&
1238 !aGlobAlgoArr[ dim ]->NeedDiscreteBoundary() /*&&
1239 !aGlobAlgoArr[ dim ]->SupportSubmeshes()*/ )
1241 aGlobIgnoAlgo = aGlobAlgoArr[ dim ];
1246 set<SMESH_subMesh*> aCheckedSubs;
1247 bool checkConform = ( !theMesh.IsNotConformAllowed() );
1249 // loop on theShape and its sub-shapes
1250 SMESH_subMeshIteratorPtr revItSub = sm->getDependsOnIterator( /*includeSelf=*/true,
1251 /*complexShapeFirst=*/true);
1252 while ( revItSub->more() )
1254 SMESH_subMesh* smToCheck = revItSub->next();
1255 if ( smToCheck->GetSubShape().ShapeType() == TopAbs_VERTEX)
1258 if ( aCheckedSubs.insert( smToCheck ).second ) // not yet checked
1259 if (!checkConformIgnoredAlgos (theMesh, smToCheck, aGlobIgnoAlgo,
1260 0, checkConform, aCheckedSubs, theErrors))
1263 if ( smToCheck->GetAlgoState() != SMESH_subMesh::NO_ALGO )
1267 // ----------------------------------------------------------------
1268 // info on missing hypothesis and find out if all needed algos are
1270 // ----------------------------------------------------------------
1272 // find max dim of global algo
1273 int aTopAlgoDim = 0;
1274 for (dim = 3; dim > 0; dim--)
1276 if (aGlobAlgoArr[ dim ])
1282 bool checkNoAlgo = theMesh.HasShapeToMesh() ? bool( aTopAlgoDim ) : false;
1283 bool globalChecked[] = { false, false, false, false };
1285 // loop on theShape and its sub-shapes
1286 aCheckedSubs.clear();
1287 revItSub = sm->getDependsOnIterator( /*includeSelf=*/true, /*complexShapeFirst=*/true);
1288 while ( revItSub->more() )
1290 SMESH_subMesh* smToCheck = revItSub->next();
1291 if ( smToCheck->GetSubShape().ShapeType() == TopAbs_VERTEX)
1294 if (!checkMissing (this, theMesh, smToCheck, aTopAlgoDim,
1295 globalChecked, checkNoAlgo, aCheckedSubs, theErrors))
1298 if (smToCheck->GetAlgoState() == SMESH_subMesh::NO_ALGO )
1299 checkNoAlgo = false;
1305 theErrors.push_back( TAlgoStateError() );
1306 theErrors.back().Set( SMESH_Hypothesis::HYP_MISSING, theMesh.HasShapeToMesh() ? 1 : 3, true );
1312 //=======================================================================
1313 //function : IsGlobalHypothesis
1314 //purpose : check if theAlgo is attached to the main shape
1315 //=======================================================================
1317 bool SMESH_Gen::IsGlobalHypothesis(const SMESH_Hypothesis* theHyp, SMESH_Mesh& aMesh)
1319 SMESH_HypoFilter filter( SMESH_HypoFilter::Is( theHyp ));
1320 return aMesh.GetHypothesis( aMesh.GetMeshDS()->ShapeToMesh(), filter, false );
1323 //================================================================================
1325 * \brief Return paths to xml files of plugins
1327 //================================================================================
1329 std::vector< std::string > SMESH_Gen::GetPluginXMLPaths()
1331 // Get paths to xml files of plugins
1332 vector< string > xmlPaths;
1334 if ( const char* meshersList = getenv("SMESH_MeshersList") )
1336 string meshers = meshersList, plugin;
1337 string::size_type from = 0, pos;
1338 while ( from < meshers.size() )
1340 // cut off plugin name
1341 pos = meshers.find( env_sep, from );
1342 if ( pos != string::npos )
1343 plugin = meshers.substr( from, pos-from );
1345 plugin = meshers.substr( from ), pos = meshers.size();
1348 // get PLUGIN_ROOT_DIR path
1349 string rootDirVar, pluginSubDir = plugin;
1350 if ( plugin == "StdMeshers" )
1351 rootDirVar = "SMESH", pluginSubDir = "smesh";
1353 for ( pos = 0; pos < plugin.size(); ++pos )
1354 rootDirVar += toupper( plugin[pos] );
1355 rootDirVar += "_ROOT_DIR";
1357 const char* rootDir = getenv( rootDirVar.c_str() );
1358 if ( !rootDir || strlen(rootDir) == 0 )
1360 rootDirVar = plugin + "_ROOT_DIR"; // HexoticPLUGIN_ROOT_DIR
1361 rootDir = getenv( rootDirVar.c_str() );
1362 if ( !rootDir || strlen(rootDir) == 0 ) continue;
1365 // get a separator from rootDir
1366 for ( int i = strlen( rootDir )-1; i >= 0 && sep.empty(); --i )
1367 if ( rootDir[i] == '/' || rootDir[i] == '\\' )
1373 if (sep.empty() ) sep = "\\";
1375 if (sep.empty() ) sep = "/";
1378 // get a path to resource file
1379 string xmlPath = rootDir;
1380 if ( xmlPath[ xmlPath.size()-1 ] != sep[0] )
1382 xmlPath += "share" + sep + "salome" + sep + "resources" + sep;
1383 for ( pos = 0; pos < pluginSubDir.size(); ++pos )
1384 xmlPath += tolower( pluginSubDir[pos] );
1385 xmlPath += sep + plugin + ".xml";
1389 const wchar_t* path = Kernel_Utils::decode_s(xmlPath);
1390 SMESHUtils::ArrayDeleter<const wchar_t> deleter( path );
1392 const char* path = xmlPath.c_str();
1394 fileOK = (GetFileAttributes(path) != INVALID_FILE_ATTRIBUTES);
1397 fileOK = (access(xmlPath.c_str(), F_OK) == 0);
1400 xmlPaths.push_back( xmlPath );
1407 //=============================================================================
1409 * Finds algo to mesh a shape. Optionally returns a shape the found algo is bound to
1411 //=============================================================================
1413 SMESH_Algo *SMESH_Gen::GetAlgo(SMESH_Mesh & aMesh,
1414 const TopoDS_Shape & aShape,
1415 TopoDS_Shape* assignedTo)
1417 return GetAlgo( aMesh.GetSubMesh( aShape ), assignedTo );
1420 //=============================================================================
1422 * Finds algo to mesh a sub-mesh. Optionally returns a shape the found algo is bound to
1424 //=============================================================================
1426 SMESH_Algo *SMESH_Gen::GetAlgo(SMESH_subMesh * aSubMesh,
1427 TopoDS_Shape* assignedTo)
1429 if ( !aSubMesh ) return 0;
1431 const TopoDS_Shape & aShape = aSubMesh->GetSubShape();
1432 SMESH_Mesh& aMesh = *aSubMesh->GetFather();
1434 SMESH_HypoFilter filter( SMESH_HypoFilter::IsAlgo() );
1435 if ( aMesh.HasShapeToMesh() )
1436 filter.And( filter.IsApplicableTo( aShape ));
1438 typedef SMESH_Algo::Features AlgoData;
1440 TopoDS_Shape assignedToShape;
1442 (SMESH_Algo*) aMesh.GetHypothesis( aSubMesh, filter, true, &assignedToShape );
1445 aShape.ShapeType() == TopAbs_FACE &&
1446 !aShape.IsSame( assignedToShape ) &&
1447 SMESH_MesherHelper::NbAncestors( aShape, aMesh, TopAbs_SOLID ) > 1 )
1449 // Issue 0021559. If there is another 2D algo with different types of output
1450 // elements that can be used to mesh aShape, and 3D algos on adjacent SOLIDs
1451 // have different types of input elements, we choose a most appropriate 2D algo.
1453 // try to find a concurrent 2D algo
1454 filter.AndNot( filter.Is( algo ));
1455 TopoDS_Shape assignedToShape2;
1457 (SMESH_Algo*) aMesh.GetHypothesis( aSubMesh, filter, true, &assignedToShape2 );
1458 if ( algo2 && // algo found
1459 !assignedToShape2.IsSame( aMesh.GetShapeToMesh() ) && // algo is local
1460 ( SMESH_MesherHelper::GetGroupType( assignedToShape2 ) == // algo of the same level
1461 SMESH_MesherHelper::GetGroupType( assignedToShape )) &&
1462 aMesh.IsOrderOK( aMesh.GetSubMesh( assignedToShape2 ), // no forced order
1463 aMesh.GetSubMesh( assignedToShape )))
1465 // get algos on the adjacent SOLIDs
1466 filter.Init( filter.IsAlgo() ).And( filter.HasDim( 3 ));
1467 vector< SMESH_Algo* > algos3D;
1468 PShapeIteratorPtr solidIt = SMESH_MesherHelper::GetAncestors( aShape, aMesh,
1470 while ( const TopoDS_Shape* solid = solidIt->next() )
1471 if ( SMESH_Algo* algo3D = (SMESH_Algo*) aMesh.GetHypothesis( *solid, filter, true ))
1473 algos3D.push_back( algo3D );
1474 filter.AndNot( filter.HasName( algo3D->GetName() ));
1476 // check compatibility of algos
1477 if ( algos3D.size() > 1 )
1479 const AlgoData& algoData = algo->SMESH_Algo::GetFeatures();
1480 const AlgoData& algoData2 = algo2->SMESH_Algo::GetFeatures();
1481 const AlgoData& algoData3d0 = algos3D[0]->SMESH_Algo::GetFeatures();
1482 const AlgoData& algoData3d1 = algos3D[1]->SMESH_Algo::GetFeatures();
1483 if (( algoData2.IsCompatible( algoData3d0 ) &&
1484 algoData2.IsCompatible( algoData3d1 ))
1486 !(algoData.IsCompatible( algoData3d0 ) &&
1487 algoData.IsCompatible( algoData3d1 )))
1493 if ( assignedTo && algo )
1494 * assignedTo = assignedToShape;
1499 //=============================================================================
1501 * Returns StudyContextStruct for a study
1503 //=============================================================================
1505 StudyContextStruct *SMESH_Gen::GetStudyContext()
1507 return _studyContext;
1510 //================================================================================
1512 * \brief Return shape dimension by TopAbs_ShapeEnum
1514 //================================================================================
1516 int SMESH_Gen::GetShapeDim(const TopAbs_ShapeEnum & aShapeType)
1518 static vector<int> dim;
1521 dim.resize( TopAbs_SHAPE, -1 );
1522 dim[ TopAbs_COMPOUND ] = MeshDim_3D;
1523 dim[ TopAbs_COMPSOLID ] = MeshDim_3D;
1524 dim[ TopAbs_SOLID ] = MeshDim_3D;
1525 dim[ TopAbs_SHELL ] = MeshDim_2D;
1526 dim[ TopAbs_FACE ] = MeshDim_2D;
1527 dim[ TopAbs_WIRE ] = MeshDim_1D;
1528 dim[ TopAbs_EDGE ] = MeshDim_1D;
1529 dim[ TopAbs_VERTEX ] = MeshDim_0D;
1531 return dim[ aShapeType ];
1534 //================================================================================
1536 * \brief Return shape dimension by exploding compounds
1538 //================================================================================
1540 int SMESH_Gen::GetFlatShapeDim(const TopoDS_Shape &aShape)
1543 if ( aShape.ShapeType() == TopAbs_COMPOUND ||
1544 aShape.ShapeType() == TopAbs_COMPSOLID )
1546 TopoDS_Iterator it( aShape );
1547 aShapeDim = GetFlatShapeDim( it.Value() );
1550 aShapeDim = GetShapeDim( aShape );
1554 //=============================================================================
1556 * Generate a new id unique within this Gen
1558 //=============================================================================
1560 int SMESH_Gen::GetANewId()