1 // Copyright (C) 2007-2015 CEA/DEN, EDF R&D, OPEN CASCADE
3 // Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
4 // CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
6 // This library is free software; you can redistribute it and/or
7 // modify it under the terms of the GNU Lesser General Public
8 // License as published by the Free Software Foundation; either
9 // version 2.1 of the License, or (at your option) any later version.
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 // Lesser General Public License for more details.
16 // You should have received a copy of the GNU Lesser General Public
17 // License along with this library; if not, write to the Free Software
18 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
23 // SMESH SMESH : implementaion of SMESH idl descriptions
24 // File : SMESH_Gen.cxx
25 // Author : Paul RASCLE, EDF
31 #include "SMESH_Gen.hxx"
33 #include "SMDS_Mesh.hxx"
34 #include "SMDS_MeshElement.hxx"
35 #include "SMDS_MeshNode.hxx"
36 #include "SMESHDS_Document.hxx"
37 #include "SMESH_HypoFilter.hxx"
38 #include "SMESH_MesherHelper.hxx"
39 #include "SMESH_subMesh.hxx"
41 #include "utilities.h"
43 #include "Utils_ExceptHandlers.hxx"
45 #include <TopoDS_Iterator.hxx>
56 //#include <vtkDebugLeaks.h>
59 //=============================================================================
63 //=============================================================================
65 SMESH_Gen::SMESH_Gen()
67 MESSAGE("SMESH_Gen::SMESH_Gen");
70 _segmentation = _nbSegments = 10;
71 SMDS_Mesh::_meshList.clear();
72 MESSAGE(SMDS_Mesh::_meshList.size());
73 _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,
130 const bool aShapeOnly /*=false*/,
131 const bool anUpward /*=false*/,
132 const ::MeshDimension aDim /*=::MeshDim_3D*/,
133 TSetOfInt* aShapesId /*=0*/)
135 MESSAGE("SMESH_Gen::Compute");
140 SMESH_subMesh *sm = aMesh.GetSubMesh(aShape);
142 const bool includeSelf = true;
143 const bool complexShapeFirst = true;
144 const int globalAlgoDim = 100;
146 SMESH_subMeshIteratorPtr smIt;
148 // Fix of Issue 22150. Due to !BLSURF->OnlyUnaryInput(), BLSURF computes edges
149 // that must be computed by Projection 1D-2D when Projection asks to compute
151 SMESH_subMesh::compute_event computeEvent =
152 aShapeOnly ? SMESH_subMesh::COMPUTE_SUBMESH : SMESH_subMesh::COMPUTE;
154 if ( anUpward ) // is called from the below code in this method
156 // ===============================================
157 // Mesh all the sub-shapes starting from vertices
158 // ===============================================
160 smIt = sm->getDependsOnIterator(includeSelf, !complexShapeFirst);
161 while ( smIt->more() )
163 SMESH_subMesh* smToCompute = smIt->next();
165 // do not mesh vertices of a pseudo shape
166 const TopoDS_Shape& shape = smToCompute->GetSubShape();
167 const TopAbs_ShapeEnum shapeType = shape.ShapeType();
168 if ( !aMesh.HasShapeToMesh() && shapeType == TopAbs_VERTEX )
171 // check for preview dimension limitations
172 if ( aShapesId && GetShapeDim( shapeType ) > (int)aDim )
174 // clear compute state not to show previous compute errors
175 // if preview invoked less dimension less than previous
176 smToCompute->ComputeStateEngine( SMESH_subMesh::CHECK_COMPUTE_STATE );
180 if (smToCompute->GetComputeState() == SMESH_subMesh::READY_TO_COMPUTE)
182 if (_compute_canceled)
184 _sm_current = smToCompute;
185 smToCompute->ComputeStateEngine( computeEvent );
189 // we check all the sub-meshes here and detect if any of them failed to compute
190 if (smToCompute->GetComputeState() == SMESH_subMesh::FAILED_TO_COMPUTE &&
191 ( shapeType != TopAbs_EDGE || !SMESH_Algo::isDegenerated( TopoDS::Edge( shape ))))
193 else if ( aShapesId )
194 aShapesId->insert( smToCompute->GetId() );
196 //aMesh.GetMeshDS()->Modified();
201 // ================================================================
202 // Apply algos that do NOT require discreteized boundaries
203 // ("all-dimensional") and do NOT support sub-meshes, starting from
204 // the most complex shapes and collect sub-meshes with algos that
205 // DO support sub-meshes
206 // ================================================================
208 list< SMESH_subMesh* > smWithAlgoSupportingSubmeshes[4]; // for each dim
210 // map to sort sm with same dim algos according to dim of
211 // the shape the algo assigned to (issue 0021217).
212 // Other issues influenced the algo applying order:
213 // 21406, 21556, 21893, 20206
214 multimap< int, SMESH_subMesh* > shDim2sm;
215 multimap< int, SMESH_subMesh* >::reverse_iterator shDim2smIt;
216 TopoDS_Shape algoShape;
217 int prevShapeDim = -1, aShapeDim;
219 smIt = sm->getDependsOnIterator(includeSelf, complexShapeFirst);
220 while ( smIt->more() )
222 SMESH_subMesh* smToCompute = smIt->next();
223 if ( smToCompute->GetComputeState() != SMESH_subMesh::READY_TO_COMPUTE )
226 const TopoDS_Shape& aSubShape = smToCompute->GetSubShape();
227 aShapeDim = GetShapeDim( aSubShape );
228 if ( aShapeDim < 1 ) break;
230 // check for preview dimension limitations
231 if ( aShapesId && aShapeDim > (int)aDim )
234 SMESH_Algo* algo = GetAlgo( smToCompute, &algoShape );
235 if ( algo && !algo->NeedDiscreteBoundary() )
237 if ( algo->SupportSubmeshes() )
239 // reload sub-meshes from shDim2sm into smWithAlgoSupportingSubmeshes
240 // so that more local algos to go first
241 if ( prevShapeDim != aShapeDim )
243 prevShapeDim = aShapeDim;
244 for ( shDim2smIt = shDim2sm.rbegin(); shDim2smIt != shDim2sm.rend(); ++shDim2smIt )
245 if ( shDim2smIt->first == globalAlgoDim )
246 smWithAlgoSupportingSubmeshes[ aShapeDim ].push_back( shDim2smIt->second );
248 smWithAlgoSupportingSubmeshes[ aShapeDim ].push_front( shDim2smIt->second );
251 // add smToCompute to shDim2sm map
252 if ( algoShape.IsSame( aMesh.GetShapeToMesh() ))
254 aShapeDim = globalAlgoDim; // to compute last
258 aShapeDim = GetShapeDim( algoShape );
259 if ( algoShape.ShapeType() == TopAbs_COMPOUND )
261 TopoDS_Iterator it( algoShape );
262 aShapeDim += GetShapeDim( it.Value() );
265 shDim2sm.insert( make_pair( aShapeDim, smToCompute ));
267 else // Compute w/o support of sub-meshes
269 if (_compute_canceled)
271 _sm_current = smToCompute;
272 smToCompute->ComputeStateEngine( computeEvent );
275 aShapesId->insert( smToCompute->GetId() );
279 // reload sub-meshes from shDim2sm into smWithAlgoSupportingSubmeshes
280 for ( shDim2smIt = shDim2sm.rbegin(); shDim2smIt != shDim2sm.rend(); ++shDim2smIt )
281 if ( shDim2smIt->first == globalAlgoDim )
282 smWithAlgoSupportingSubmeshes[3].push_back( shDim2smIt->second );
284 smWithAlgoSupportingSubmeshes[0].push_front( shDim2smIt->second );
286 // ======================================================
287 // Apply all-dimensional algorithms supporing sub-meshes
288 // ======================================================
290 std::vector< SMESH_subMesh* > smVec;
291 for ( aShapeDim = 0; aShapeDim < 4; ++aShapeDim )
293 // ------------------------------------------------
294 // sort list of sub-meshes according to mesh order
295 // ------------------------------------------------
296 smVec.assign( smWithAlgoSupportingSubmeshes[ aShapeDim ].begin(),
297 smWithAlgoSupportingSubmeshes[ aShapeDim ].end() );
298 aMesh.SortByMeshOrder( smVec );
300 // ------------------------------------------------------------
301 // compute sub-meshes with local uni-dimensional algos under
302 // sub-meshes with all-dimensional algos
303 // ------------------------------------------------------------
304 // start from lower shapes
305 for ( size_t i = 0; i < smVec.size(); ++i )
309 // get a shape the algo is assigned to
310 if ( !GetAlgo( sm, & algoShape ))
311 continue; // strange...
313 // look for more local algos
314 smIt = sm->getDependsOnIterator(!includeSelf, !complexShapeFirst);
315 while ( smIt->more() )
317 SMESH_subMesh* smToCompute = smIt->next();
319 const TopoDS_Shape& aSubShape = smToCompute->GetSubShape();
320 const int aShapeDim = GetShapeDim( aSubShape );
321 //if ( aSubShape.ShapeType() == TopAbs_VERTEX ) continue;
322 if ( aShapeDim < 1 ) continue;
324 // check for preview dimension limitations
325 if ( aShapesId && GetShapeDim( aSubShape.ShapeType() ) > (int)aDim )
328 SMESH_HypoFilter filter( SMESH_HypoFilter::IsAlgo() );
330 .And( SMESH_HypoFilter::IsApplicableTo( aSubShape ))
331 .And( SMESH_HypoFilter::IsMoreLocalThan( algoShape, aMesh ));
333 if ( SMESH_Algo* subAlgo = (SMESH_Algo*) aMesh.GetHypothesis( smToCompute, filter, true))
335 if ( ! subAlgo->NeedDiscreteBoundary() ) continue;
336 SMESH_Hypothesis::Hypothesis_Status status;
337 if ( subAlgo->CheckHypothesis( aMesh, aSubShape, status ))
338 // mesh a lower smToCompute starting from vertices
339 Compute( aMesh, aSubShape, aShapeOnly, /*anUpward=*/true, aDim, aShapesId );
343 // --------------------------------
344 // apply the all-dimensional algos
345 // --------------------------------
346 for ( size_t i = 0; i < smVec.size(); ++i )
349 if ( sm->GetComputeState() == SMESH_subMesh::READY_TO_COMPUTE)
351 const TopAbs_ShapeEnum shapeType = sm->GetSubShape().ShapeType();
352 // check for preview dimension limitations
353 if ( aShapesId && GetShapeDim( shapeType ) > (int)aDim )
356 if (_compute_canceled)
359 sm->ComputeStateEngine( computeEvent );
362 aShapesId->insert( sm->GetId() );
365 } // loop on shape dimensions
367 // -----------------------------------------------
368 // mesh the rest sub-shapes starting from vertices
369 // -----------------------------------------------
370 ret = Compute( aMesh, aShape, aShapeOnly, /*anUpward=*/true, aDim, aShapesId );
373 MESSAGE( "VSR - SMESH_Gen::Compute() finished, OK = " << ret);
376 SMESHDS_Mesh *myMesh = aMesh.GetMeshDS();
377 MESSAGE("*** compactMesh after compute");
378 myMesh->compactMesh();
380 // fix quadratic mesh by bending iternal links near concave boundary
381 if ( aShape.IsSame( aMesh.GetShapeToMesh() ) &&
382 !aShapesId && // not preview
383 ret ) // everything is OK
385 SMESH_MesherHelper aHelper( aMesh );
386 if ( aHelper.IsQuadraticMesh() != SMESH_MesherHelper::LINEAR )
388 aHelper.FixQuadraticElements( sm->GetComputeError() );
394 //=============================================================================
396 * Prepare Compute a mesh
398 //=============================================================================
399 void SMESH_Gen::PrepareCompute(SMESH_Mesh & aMesh,
400 const TopoDS_Shape & aShape)
402 _compute_canceled = false;
405 //=============================================================================
407 * Cancel Compute a mesh
409 //=============================================================================
410 void SMESH_Gen::CancelCompute(SMESH_Mesh & aMesh,
411 const TopoDS_Shape & aShape)
413 _compute_canceled = true;
416 _sm_current->ComputeStateEngine( SMESH_subMesh::COMPUTE_CANCELED );
420 //=============================================================================
424 //=============================================================================
426 bool SMESH_Gen::Evaluate(SMESH_Mesh & aMesh,
427 const TopoDS_Shape & aShape,
428 MapShapeNbElems& aResMap,
430 TSetOfInt* aShapesId)
432 MESSAGE("SMESH_Gen::Evaluate");
436 SMESH_subMesh *sm = aMesh.GetSubMesh(aShape);
438 const bool includeSelf = true;
439 const bool complexShapeFirst = true;
440 SMESH_subMeshIteratorPtr smIt;
442 if ( anUpward ) { // is called from below code here
443 // -----------------------------------------------
444 // mesh all the sub-shapes starting from vertices
445 // -----------------------------------------------
446 smIt = sm->getDependsOnIterator(includeSelf, !complexShapeFirst);
447 while ( smIt->more() ) {
448 SMESH_subMesh* smToCompute = smIt->next();
450 // do not mesh vertices of a pseudo shape
451 const TopAbs_ShapeEnum shapeType = smToCompute->GetSubShape().ShapeType();
452 //if ( !aMesh.HasShapeToMesh() && shapeType == TopAbs_VERTEX )
454 if ( !aMesh.HasShapeToMesh() ) {
455 if( shapeType == TopAbs_VERTEX || shapeType == TopAbs_WIRE ||
456 shapeType == TopAbs_SHELL )
460 smToCompute->Evaluate(aResMap);
462 aShapesId->insert( smToCompute->GetId() );
467 // -----------------------------------------------------------------
468 // apply algos that DO NOT require Discreteized boundaries and DO NOT
469 // support sub-meshes, starting from the most complex shapes
470 // and collect sub-meshes with algos that DO support sub-meshes
471 // -----------------------------------------------------------------
472 list< SMESH_subMesh* > smWithAlgoSupportingSubmeshes;
473 smIt = sm->getDependsOnIterator(includeSelf, complexShapeFirst);
474 while ( smIt->more() ) {
475 SMESH_subMesh* smToCompute = smIt->next();
476 const TopoDS_Shape& aSubShape = smToCompute->GetSubShape();
477 const int aShapeDim = GetShapeDim( aSubShape );
478 if ( aShapeDim < 1 ) break;
480 SMESH_Algo* algo = GetAlgo( smToCompute );
481 if ( algo && !algo->NeedDiscreteBoundary() ) {
482 if ( algo->SupportSubmeshes() ) {
483 smWithAlgoSupportingSubmeshes.push_front( smToCompute );
486 smToCompute->Evaluate(aResMap);
488 aShapesId->insert( smToCompute->GetId() );
493 // ------------------------------------------------------------
494 // sort list of meshes according to mesh order
495 // ------------------------------------------------------------
496 std::vector< SMESH_subMesh* > smVec( smWithAlgoSupportingSubmeshes.begin(),
497 smWithAlgoSupportingSubmeshes.end() );
498 aMesh.SortByMeshOrder( smVec );
500 // ------------------------------------------------------------
501 // compute sub-meshes under shapes with algos that DO NOT require
502 // Discreteized boundaries and DO support sub-meshes
503 // ------------------------------------------------------------
504 // start from lower shapes
505 for ( size_t i = 0; i < smVec.size(); ++i )
509 // get a shape the algo is assigned to
510 TopoDS_Shape algoShape;
511 if ( !GetAlgo( sm, & algoShape ))
512 continue; // strange...
514 // look for more local algos
515 smIt = sm->getDependsOnIterator(!includeSelf, !complexShapeFirst);
516 while ( smIt->more() ) {
517 SMESH_subMesh* smToCompute = smIt->next();
519 const TopoDS_Shape& aSubShape = smToCompute->GetSubShape();
520 const int aShapeDim = GetShapeDim( aSubShape );
521 if ( aShapeDim < 1 ) continue;
523 SMESH_HypoFilter filter( SMESH_HypoFilter::IsAlgo() );
525 .And( SMESH_HypoFilter::IsApplicableTo( aSubShape ))
526 .And( SMESH_HypoFilter::IsMoreLocalThan( algoShape, aMesh ));
528 if ( SMESH_Algo* subAlgo = (SMESH_Algo*) aMesh.GetHypothesis( smToCompute, 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 ( size_t i = 0; i < smVec.size(); ++i )
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> if <algo> does not support sub-meshes
631 if ( algo->SupportSubmeshes() )
633 SMESH_subMeshIteratorPtr revItSub =
634 aSubMesh->getDependsOnIterator( /*includeSelf=*/false, /*complexShapeFirst=*/true);
635 bool checkConform2 = false;
636 while ( revItSub->more() )
638 SMESH_subMesh* sm = revItSub->next();
639 checkConformIgnoredAlgos (aMesh, sm, aGlobIgnoAlgo,
640 algo, checkConform2, aCheckedMap, theErrors);
641 aCheckedMap.insert( sm );
650 //=======================================================================
651 //function : checkMissing
652 //purpose : notify on missing hypothesis
653 // Return false if algo or hipothesis is missing
654 //=======================================================================
656 static bool checkMissing(SMESH_Gen* aGen,
658 SMESH_subMesh* aSubMesh,
659 const int aTopAlgoDim,
661 const bool checkNoAlgo,
662 set<SMESH_subMesh*>& aCheckedMap,
663 list< SMESH_Gen::TAlgoStateError > & theErrors)
665 switch ( aSubMesh->GetSubShape().ShapeType() )
669 case TopAbs_SOLID: break; // check this sub-mesh, it can be meshed
671 return true; // not meshable sub-mesh
673 if ( aCheckedMap.count( aSubMesh ))
676 //MESSAGE("=====checkMissing");
679 SMESH_Algo* algo = 0;
681 switch (aSubMesh->GetAlgoState())
683 case SMESH_subMesh::NO_ALGO: {
686 // should there be any algo?
687 int shapeDim = SMESH_Gen::GetShapeDim( aSubMesh->GetSubShape() );
688 if (aTopAlgoDim > shapeDim)
690 MESSAGE( "ERROR: " << shapeDim << "D algorithm is missing" );
692 theErrors.push_back( SMESH_Gen::TAlgoStateError() );
693 theErrors.back().Set( SMESH_Hypothesis::HYP_MISSING, shapeDim, true );
698 case SMESH_subMesh::MISSING_HYP: {
699 // notify if an algo missing hyp is attached to aSubMesh
700 algo = aSubMesh->GetAlgo();
702 bool IsGlobalHypothesis = aGen->IsGlobalHypothesis( algo, aMesh );
703 if (!IsGlobalHypothesis || !globalChecked[ algo->GetDim() ])
705 TAlgoStateErrorName errName = SMESH_Hypothesis::HYP_MISSING;
706 SMESH_Hypothesis::Hypothesis_Status status;
707 algo->CheckHypothesis( aMesh, aSubMesh->GetSubShape(), status );
708 if ( status == SMESH_Hypothesis::HYP_BAD_PARAMETER ) {
709 MESSAGE( "ERROR: hypothesis of " << (IsGlobalHypothesis ? "Global " : "Local ")
710 << "<" << algo->GetName() << "> has a bad parameter value");
712 } else if ( status == SMESH_Hypothesis::HYP_BAD_GEOMETRY ) {
713 MESSAGE( "ERROR: " << (IsGlobalHypothesis ? "Global " : "Local ")
714 << "<" << algo->GetName() << "> assigned to mismatching geometry");
717 MESSAGE( "ERROR: " << (IsGlobalHypothesis ? "Global " : "Local ")
718 << "<" << algo->GetName() << "> misses some hypothesis");
720 if (IsGlobalHypothesis)
721 globalChecked[ algo->GetDim() ] = true;
722 theErrors.push_back( SMESH_Gen::TAlgoStateError() );
723 theErrors.back().Set( errName, algo, IsGlobalHypothesis );
728 case SMESH_subMesh::HYP_OK:
729 algo = aSubMesh->GetAlgo();
731 if (!algo->NeedDiscreteBoundary())
733 SMESH_subMeshIteratorPtr itsub = aSubMesh->getDependsOnIterator( /*includeSelf=*/false,
734 /*complexShapeFirst=*/false);
735 while ( itsub->more() )
736 aCheckedMap.insert( itsub->next() );
742 // do not check under algo that hides sub-algos or
743 // re-start checking NO_ALGO state
745 bool isTopLocalAlgo =
746 ( aTopAlgoDim <= algo->GetDim() && !aGen->IsGlobalHypothesis( algo, aMesh ));
747 if (!algo->NeedDiscreteBoundary() || isTopLocalAlgo)
749 bool checkNoAlgo2 = ( algo->NeedDiscreteBoundary() );
750 SMESH_subMeshIteratorPtr itsub = aSubMesh->getDependsOnIterator( /*includeSelf=*/false,
751 /*complexShapeFirst=*/true);
752 while ( itsub->more() )
754 // sub-meshes should not be checked further more
755 SMESH_subMesh* sm = itsub->next();
759 //check algo on sub-meshes
760 int aTopAlgoDim2 = algo->GetDim();
761 if (!checkMissing (aGen, aMesh, sm, aTopAlgoDim2,
762 globalChecked, checkNoAlgo2, aCheckedMap, theErrors))
765 if (sm->GetAlgoState() == SMESH_subMesh::NO_ALGO )
766 checkNoAlgo2 = false;
769 aCheckedMap.insert( sm );
775 //=======================================================================
776 //function : CheckAlgoState
777 //purpose : notify on bad state of attached algos, return false
778 // if Compute() would fail because of some algo bad state
779 //=======================================================================
781 bool SMESH_Gen::CheckAlgoState(SMESH_Mesh& aMesh, const TopoDS_Shape& aShape)
783 list< TAlgoStateError > errors;
784 return GetAlgoState( aMesh, aShape, errors );
787 //=======================================================================
788 //function : GetAlgoState
789 //purpose : notify on bad state of attached algos, return false
790 // if Compute() would fail because of some algo bad state
791 // theErrors list contains problems description
792 //=======================================================================
794 bool SMESH_Gen::GetAlgoState(SMESH_Mesh& theMesh,
795 const TopoDS_Shape& theShape,
796 list< TAlgoStateError > & theErrors)
798 //MESSAGE("SMESH_Gen::CheckAlgoState");
801 bool hasAlgo = false;
803 SMESH_subMesh* sm = theMesh.GetSubMesh(theShape);
804 const SMESHDS_Mesh* meshDS = theMesh.GetMeshDS();
805 TopoDS_Shape mainShape = meshDS->ShapeToMesh();
811 const SMESH_Algo* aGlobAlgoArr[] = {0,0,0,0};
813 const list<const SMESHDS_Hypothesis*>& listHyp = meshDS->GetHypothesis( mainShape );
814 list<const SMESHDS_Hypothesis*>::const_iterator it=listHyp.begin();
815 for ( ; it != listHyp.end(); it++)
817 const SMESHDS_Hypothesis * aHyp = *it;
818 if (aHyp->GetType() == SMESHDS_Hypothesis::PARAM_ALGO)
821 const SMESH_Algo* algo = dynamic_cast<const SMESH_Algo*> (aHyp);
824 int dim = algo->GetDim();
825 aGlobAlgoArr[ dim ] = algo;
830 // --------------------------------------------------------
831 // info on algos that will be ignored because of ones that
832 // don't NeedDiscreteBoundary() attached to super-shapes,
833 // check that a conform mesh will be produced
834 // --------------------------------------------------------
837 // find a global algo possibly hiding sub-algos
839 const SMESH_Algo* aGlobIgnoAlgo = 0;
840 for (dim = 3; dim > 0; dim--)
842 if (aGlobAlgoArr[ dim ] &&
843 !aGlobAlgoArr[ dim ]->NeedDiscreteBoundary() /*&&
844 !aGlobAlgoArr[ dim ]->SupportSubmeshes()*/ )
846 aGlobIgnoAlgo = aGlobAlgoArr[ dim ];
851 set<SMESH_subMesh*> aCheckedSubs;
852 bool checkConform = ( !theMesh.IsNotConformAllowed() );
854 // loop on theShape and its sub-shapes
855 SMESH_subMeshIteratorPtr revItSub = sm->getDependsOnIterator( /*includeSelf=*/true,
856 /*complexShapeFirst=*/true);
857 while ( revItSub->more() )
859 SMESH_subMesh* smToCheck = revItSub->next();
860 if ( smToCheck->GetSubShape().ShapeType() == TopAbs_VERTEX)
863 if ( aCheckedSubs.insert( smToCheck ).second ) // not yet checked
864 if (!checkConformIgnoredAlgos (theMesh, smToCheck, aGlobIgnoAlgo,
865 0, checkConform, aCheckedSubs, theErrors))
868 if ( smToCheck->GetAlgoState() != SMESH_subMesh::NO_ALGO )
872 // ----------------------------------------------------------------
873 // info on missing hypothesis and find out if all needed algos are
875 // ----------------------------------------------------------------
877 //MESSAGE( "---info on missing hypothesis and find out if all needed algos are");
879 // find max dim of global algo
881 for (dim = 3; dim > 0; dim--)
883 if (aGlobAlgoArr[ dim ])
889 bool checkNoAlgo = theMesh.HasShapeToMesh() ? bool( aTopAlgoDim ) : false;
890 bool globalChecked[] = { false, false, false, false };
892 // loop on theShape and its sub-shapes
893 aCheckedSubs.clear();
894 revItSub = sm->getDependsOnIterator( /*includeSelf=*/true, /*complexShapeFirst=*/true);
895 while ( revItSub->more() )
897 SMESH_subMesh* smToCheck = revItSub->next();
898 if ( smToCheck->GetSubShape().ShapeType() == TopAbs_VERTEX)
901 if (!checkMissing (this, theMesh, smToCheck, aTopAlgoDim,
902 globalChecked, checkNoAlgo, aCheckedSubs, theErrors))
905 if (smToCheck->GetAlgoState() == SMESH_subMesh::NO_ALGO )
912 theErrors.push_back( TAlgoStateError() );
913 theErrors.back().Set( SMESH_Hypothesis::HYP_MISSING, 1, true );
919 //=======================================================================
920 //function : IsGlobalHypothesis
921 //purpose : check if theAlgo is attached to the main shape
922 //=======================================================================
924 bool SMESH_Gen::IsGlobalHypothesis(const SMESH_Hypothesis* theHyp, SMESH_Mesh& aMesh)
926 SMESH_HypoFilter filter( SMESH_HypoFilter::Is( theHyp ));
927 return aMesh.GetHypothesis( aMesh.GetMeshDS()->ShapeToMesh(), filter, false );
930 //================================================================================
932 * \brief Return paths to xml files of plugins
934 //================================================================================
936 std::vector< std::string > SMESH_Gen::GetPluginXMLPaths()
938 // Get paths to xml files of plugins
939 vector< string > xmlPaths;
941 if ( const char* meshersList = getenv("SMESH_MeshersList") )
943 string meshers = meshersList, plugin;
944 string::size_type from = 0, pos;
945 while ( from < meshers.size() )
947 // cut off plugin name
948 pos = meshers.find( ':', from );
949 if ( pos != string::npos )
950 plugin = meshers.substr( from, pos-from );
952 plugin = meshers.substr( from ), pos = meshers.size();
955 // get PLUGIN_ROOT_DIR path
956 string rootDirVar, pluginSubDir = plugin;
957 if ( plugin == "StdMeshers" )
958 rootDirVar = "SMESH", pluginSubDir = "smesh";
960 for ( pos = 0; pos < plugin.size(); ++pos )
961 rootDirVar += toupper( plugin[pos] );
962 rootDirVar += "_ROOT_DIR";
964 const char* rootDir = getenv( rootDirVar.c_str() );
965 if ( !rootDir || strlen(rootDir) == 0 )
967 rootDirVar = plugin + "_ROOT_DIR"; // HexoticPLUGIN_ROOT_DIR
968 rootDir = getenv( rootDirVar.c_str() );
969 if ( !rootDir || strlen(rootDir) == 0 ) continue;
972 // get a separator from rootDir
973 for ( pos = strlen( rootDir )-1; pos >= 0 && sep.empty(); --pos )
974 if ( rootDir[pos] == '/' || rootDir[pos] == '\\' )
980 if (sep.empty() ) sep = "\\";
982 if (sep.empty() ) sep = "/";
985 // get a path to resource file
986 string xmlPath = rootDir;
987 if ( xmlPath[ xmlPath.size()-1 ] != sep[0] )
989 xmlPath += "share" + sep + "salome" + sep + "resources" + sep;
990 for ( pos = 0; pos < pluginSubDir.size(); ++pos )
991 xmlPath += tolower( pluginSubDir[pos] );
992 xmlPath += sep + plugin + ".xml";
995 fileOK = (GetFileAttributes(xmlPath.c_str()) != INVALID_FILE_ATTRIBUTES);
997 fileOK = (access(xmlPath.c_str(), F_OK) == 0);
1000 xmlPaths.push_back( xmlPath );
1007 //=============================================================================
1009 * Finds algo to mesh a shape. Optionally returns a shape the found algo is bound to
1011 //=============================================================================
1013 SMESH_Algo *SMESH_Gen::GetAlgo(SMESH_Mesh & aMesh,
1014 const TopoDS_Shape & aShape,
1015 TopoDS_Shape* assignedTo)
1017 return GetAlgo( aMesh.GetSubMesh( aShape ), assignedTo );
1020 //=============================================================================
1022 * Finds algo to mesh a sub-mesh. Optionally returns a shape the found algo is bound to
1024 //=============================================================================
1026 SMESH_Algo *SMESH_Gen::GetAlgo(SMESH_subMesh * aSubMesh,
1027 TopoDS_Shape* assignedTo)
1029 if ( !aSubMesh ) return 0;
1031 const TopoDS_Shape & aShape = aSubMesh->GetSubShape();
1032 SMESH_Mesh& aMesh = *aSubMesh->GetFather();
1034 SMESH_HypoFilter filter( SMESH_HypoFilter::IsAlgo() );
1035 filter.And( filter.IsApplicableTo( aShape ));
1037 typedef SMESH_Algo::Features AlgoData;
1039 TopoDS_Shape assignedToShape;
1041 (SMESH_Algo*) aMesh.GetHypothesis( aSubMesh, filter, true, &assignedToShape );
1044 aShape.ShapeType() == TopAbs_FACE &&
1045 !aShape.IsSame( assignedToShape ) &&
1046 SMESH_MesherHelper::NbAncestors( aShape, aMesh, TopAbs_SOLID ) > 1 )
1048 // Issue 0021559. If there is another 2D algo with different types of output
1049 // elements that can be used to mesh aShape, and 3D algos on adjacent SOLIDs
1050 // have different types of input elements, we choose a most appropriate 2D algo.
1052 // try to find a concurrent 2D algo
1053 filter.AndNot( filter.Is( algo ));
1054 TopoDS_Shape assignedToShape2;
1056 (SMESH_Algo*) aMesh.GetHypothesis( aSubMesh, filter, true, &assignedToShape2 );
1057 if ( algo2 && // algo found
1058 !assignedToShape2.IsSame( aMesh.GetShapeToMesh() ) && // algo is local
1059 ( SMESH_MesherHelper::GetGroupType( assignedToShape2 ) == // algo of the same level
1060 SMESH_MesherHelper::GetGroupType( assignedToShape )) &&
1061 aMesh.IsOrderOK( aMesh.GetSubMesh( assignedToShape2 ), // no forced order
1062 aMesh.GetSubMesh( assignedToShape )))
1064 // get algos on the adjacent SOLIDs
1065 filter.Init( filter.IsAlgo() ).And( filter.HasDim( 3 ));
1066 vector< SMESH_Algo* > algos3D;
1067 PShapeIteratorPtr solidIt = SMESH_MesherHelper::GetAncestors( aShape, aMesh,
1069 while ( const TopoDS_Shape* solid = solidIt->next() )
1070 if ( SMESH_Algo* algo3D = (SMESH_Algo*) aMesh.GetHypothesis( *solid, filter, true ))
1072 algos3D.push_back( algo3D );
1073 filter.AndNot( filter.HasName( algo3D->GetName() ));
1075 // check compatibility of algos
1076 if ( algos3D.size() > 1 )
1078 const AlgoData& algoData = algo->SMESH_Algo::GetFeatures();
1079 const AlgoData& algoData2 = algo2->SMESH_Algo::GetFeatures();
1080 const AlgoData& algoData3d0 = algos3D[0]->SMESH_Algo::GetFeatures();
1081 const AlgoData& algoData3d1 = algos3D[1]->SMESH_Algo::GetFeatures();
1082 if (( algoData2.IsCompatible( algoData3d0 ) &&
1083 algoData2.IsCompatible( algoData3d1 ))
1085 !(algoData.IsCompatible( algoData3d0 ) &&
1086 algoData.IsCompatible( algoData3d1 )))
1092 if ( assignedTo && algo )
1093 * assignedTo = assignedToShape;
1098 //=============================================================================
1100 * Returns StudyContextStruct for a study
1102 //=============================================================================
1104 StudyContextStruct *SMESH_Gen::GetStudyContext(int studyId)
1106 // Get studyContext, create it if it does'nt exist, with a SMESHDS_Document
1108 if (_mapStudyContext.find(studyId) == _mapStudyContext.end())
1110 _mapStudyContext[studyId] = new StudyContextStruct;
1111 _mapStudyContext[studyId]->myDocument = new SMESHDS_Document(studyId);
1113 StudyContextStruct *myStudyContext = _mapStudyContext[studyId];
1114 return myStudyContext;
1117 //================================================================================
1119 * \brief Return shape dimension by TopAbs_ShapeEnum
1121 //================================================================================
1123 int SMESH_Gen::GetShapeDim(const TopAbs_ShapeEnum & aShapeType)
1125 static vector<int> dim;
1128 dim.resize( TopAbs_SHAPE, -1 );
1129 dim[ TopAbs_COMPOUND ] = MeshDim_3D;
1130 dim[ TopAbs_COMPSOLID ] = MeshDim_3D;
1131 dim[ TopAbs_SOLID ] = MeshDim_3D;
1132 dim[ TopAbs_SHELL ] = MeshDim_2D;
1133 dim[ TopAbs_FACE ] = MeshDim_2D;
1134 dim[ TopAbs_WIRE ] = MeshDim_1D;
1135 dim[ TopAbs_EDGE ] = MeshDim_1D;
1136 dim[ TopAbs_VERTEX ] = MeshDim_0D;
1138 return dim[ aShapeType ];
1141 //=============================================================================
1143 * Genarate a new id unique withing this Gen
1145 //=============================================================================
1147 int SMESH_Gen::GetANewId()