1 // Copyright (C) 2007-2013 CEA/DEN, EDF R&D, OPEN CASCADE
3 // Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
4 // CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
6 // This library is free software; you can redistribute it and/or
7 // modify it under the terms of the GNU Lesser General Public
8 // License as published by the Free Software Foundation; either
9 // version 2.1 of the License.
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 // Lesser General Public License for more details.
16 // You should have received a copy of the GNU Lesser General Public
17 // License along with this library; if not, write to the Free Software
18 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
23 // SMESH SMESH : implementaion of SMESH idl descriptions
24 // File : SMESH_Gen.cxx
25 // Author : Paul RASCLE, EDF
31 #include "SMESH_Gen.hxx"
33 #include "SMDS_Mesh.hxx"
34 #include "SMDS_MeshElement.hxx"
35 #include "SMDS_MeshNode.hxx"
36 #include "SMESHDS_Document.hxx"
37 #include "SMESH_HypoFilter.hxx"
38 #include "SMESH_MesherHelper.hxx"
39 #include "SMESH_subMesh.hxx"
41 #include "utilities.h"
43 #include "Utils_ExceptHandlers.hxx"
45 #include <TopoDS_Iterator.hxx>
55 //#include <vtkDebugLeaks.h>
58 //=============================================================================
62 //=============================================================================
64 SMESH_Gen::SMESH_Gen()
66 MESSAGE("SMESH_Gen::SMESH_Gen");
69 _segmentation = _nbSegments = 10;
70 SMDS_Mesh::_meshList.clear();
71 MESSAGE(SMDS_Mesh::_meshList.size());
72 //_counters = new counters(100);
73 _compute_canceled = false;
75 //vtkDebugLeaks::SetExitError(0);
78 //=============================================================================
82 //=============================================================================
84 SMESH_Gen::~SMESH_Gen()
86 MESSAGE("SMESH_Gen::~SMESH_Gen");
87 std::map < int, StudyContextStruct * >::iterator i_sc = _mapStudyContext.begin();
88 for ( ; i_sc != _mapStudyContext.end(); ++i_sc )
90 delete i_sc->second->myDocument;
95 //=============================================================================
97 * Creates a mesh in a study.
98 * if (theIsEmbeddedMode) { mesh modification commands are not logged }
100 //=============================================================================
102 SMESH_Mesh* SMESH_Gen::CreateMesh(int theStudyId, bool theIsEmbeddedMode)
103 throw(SALOME_Exception)
105 Unexpect aCatch(SalomeException);
106 MESSAGE("SMESH_Gen::CreateMesh");
108 // Get studyContext, create it if it does'nt exist, with a SMESHDS_Document
109 StudyContextStruct *aStudyContext = GetStudyContext(theStudyId);
111 // create a new SMESH_mesh object
112 SMESH_Mesh *aMesh = new SMESH_Mesh(_localId++,
116 aStudyContext->myDocument);
117 aStudyContext->mapMesh[_localId-1] = aMesh;
122 //=============================================================================
126 //=============================================================================
128 bool SMESH_Gen::Compute(SMESH_Mesh & aMesh,
129 const TopoDS_Shape & aShape,
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 TopAbs_ShapeEnum aShType = smToCompute->GetSubShape().ShapeType();
167 if ( !aMesh.HasShapeToMesh() && aShType == TopAbs_VERTEX )
170 // check for preview dimension limitations
171 if ( aShapesId && GetShapeDim( aShType ) > (int)aDim )
173 // clear compute state not to show previous compute errors
174 // if preview invoked less dimension less than previous
175 smToCompute->ComputeStateEngine( SMESH_subMesh::CHECK_COMPUTE_STATE );
179 if (smToCompute->GetComputeState() == SMESH_subMesh::READY_TO_COMPUTE)
181 if (_compute_canceled)
183 _sm_current = smToCompute;
184 smToCompute->ComputeStateEngine( computeEvent );
188 // we check all the submeshes here and detect if any of them failed to compute
189 if (smToCompute->GetComputeState() == SMESH_subMesh::FAILED_TO_COMPUTE)
191 else if ( aShapesId )
192 aShapesId->insert( smToCompute->GetId() );
194 //aMesh.GetMeshDS()->Modified();
199 // ================================================================
200 // Apply algos that do NOT require discreteized boundaries
201 // ("all-dimensional") and do NOT support sub-meshes, starting from
202 // the most complex shapes and collect sub-meshes with algos that
203 // DO support sub-meshes
204 // ================================================================
206 list< SMESH_subMesh* > smWithAlgoSupportingSubmeshes[4]; // for each dim
208 // map to sort sm with same dim algos according to dim of
209 // the shape the algo assigned to (issue 0021217).
210 // Other issues influenced the algo applying order:
211 // 21406, 21556, 21893, 20206
212 multimap< int, SMESH_subMesh* > shDim2sm;
213 multimap< int, SMESH_subMesh* >::reverse_iterator shDim2smIt;
214 TopoDS_Shape algoShape;
215 int prevShapeDim = -1, aShapeDim;
217 smIt = sm->getDependsOnIterator(includeSelf, complexShapeFirst);
218 while ( smIt->more() )
220 SMESH_subMesh* smToCompute = smIt->next();
221 if ( smToCompute->GetComputeState() != SMESH_subMesh::READY_TO_COMPUTE )
224 const TopoDS_Shape& aSubShape = smToCompute->GetSubShape();
225 aShapeDim = GetShapeDim( aSubShape );
226 if ( aShapeDim < 1 ) break;
228 // check for preview dimension limitations
229 if ( aShapesId && aShapeDim > (int)aDim )
232 SMESH_Algo* algo = GetAlgo( aMesh, aSubShape, &algoShape );
233 if ( algo && !algo->NeedDiscreteBoundary() )
235 if ( algo->SupportSubmeshes() )
237 // reload sub-meshes from shDim2sm into smWithAlgoSupportingSubmeshes
238 // so that more local algos to go first
239 if ( prevShapeDim != aShapeDim )
241 prevShapeDim = aShapeDim;
242 for ( shDim2smIt = shDim2sm.rbegin(); shDim2smIt != shDim2sm.rend(); ++shDim2smIt )
243 if ( shDim2smIt->first == globalAlgoDim )
244 smWithAlgoSupportingSubmeshes[ aShapeDim ].push_back( shDim2smIt->second );
246 smWithAlgoSupportingSubmeshes[ aShapeDim ].push_front( shDim2smIt->second );
249 // add smToCompute to shDim2sm map
250 if ( algoShape.IsSame( aMesh.GetShapeToMesh() ))
252 aShapeDim = globalAlgoDim; // to compute last
256 aShapeDim = GetShapeDim( algoShape );
257 if ( algoShape.ShapeType() == TopAbs_COMPOUND )
259 TopoDS_Iterator it( algoShape );
260 aShapeDim += GetShapeDim( it.Value() );
263 shDim2sm.insert( make_pair( aShapeDim, smToCompute ));
265 else // Compute w/o support of sub-meshes
267 if (_compute_canceled)
269 _sm_current = smToCompute;
270 smToCompute->ComputeStateEngine( computeEvent );
273 aShapesId->insert( smToCompute->GetId() );
277 // reload sub-meshes from shDim2sm into smWithAlgoSupportingSubmeshes
278 for ( shDim2smIt = shDim2sm.rbegin(); shDim2smIt != shDim2sm.rend(); ++shDim2smIt )
279 if ( shDim2smIt->first == globalAlgoDim )
280 smWithAlgoSupportingSubmeshes[3].push_back( shDim2smIt->second );
282 smWithAlgoSupportingSubmeshes[0].push_front( shDim2smIt->second );
284 // ======================================================
285 // Apply all-dimensional algorithms supporing sub-meshes
286 // ======================================================
288 for ( aShapeDim = 0; aShapeDim < 4; ++aShapeDim )
290 // ------------------------------------------------
291 // sort list of sub-meshes according to mesh order
292 // ------------------------------------------------
293 aMesh.SortByMeshOrder( smWithAlgoSupportingSubmeshes[ aShapeDim ] );
295 // ------------------------------------------------------------
296 // compute sub-meshes with local uni-dimensional algos under
297 // sub-meshes with all-dimensional algos
298 // ------------------------------------------------------------
299 list< SMESH_subMesh* >::iterator subIt, subEnd;
300 subIt = smWithAlgoSupportingSubmeshes[ aShapeDim ].begin();
301 subEnd = smWithAlgoSupportingSubmeshes[ aShapeDim ].end();
302 // start from lower shapes
303 for ( ; subIt != subEnd; ++subIt )
307 // get a shape the algo is assigned to
308 if ( !GetAlgo( aMesh, sm->GetSubShape(), & algoShape ))
309 continue; // strange...
311 // look for more local algos
312 smIt = sm->getDependsOnIterator(!includeSelf, !complexShapeFirst);
313 while ( smIt->more() )
315 SMESH_subMesh* smToCompute = smIt->next();
317 const TopoDS_Shape& aSubShape = smToCompute->GetSubShape();
318 const int aShapeDim = GetShapeDim( aSubShape );
319 //if ( aSubShape.ShapeType() == TopAbs_VERTEX ) continue;
320 if ( aShapeDim < 1 ) continue;
322 // check for preview dimension limitations
323 if ( aShapesId && GetShapeDim( aSubShape.ShapeType() ) > (int)aDim )
326 SMESH_HypoFilter filter( SMESH_HypoFilter::IsAlgo() );
328 .And( SMESH_HypoFilter::IsApplicableTo( aSubShape ))
329 .And( SMESH_HypoFilter::IsMoreLocalThan( algoShape, aMesh ));
331 if ( SMESH_Algo* subAlgo = (SMESH_Algo*) aMesh.GetHypothesis( aSubShape, filter, true )) {
332 if ( ! subAlgo->NeedDiscreteBoundary() ) continue;
333 SMESH_Hypothesis::Hypothesis_Status status;
334 if ( subAlgo->CheckHypothesis( aMesh, aSubShape, status ))
335 // mesh a lower smToCompute starting from vertices
336 Compute( aMesh, aSubShape, aShapeOnly, /*anUpward=*/true, aDim, aShapesId );
340 // --------------------------------
341 // apply the all-dimensional algos
342 // --------------------------------
343 subIt = smWithAlgoSupportingSubmeshes[ aShapeDim ].begin();
344 for ( ; subIt != subEnd; ++subIt )
347 if ( sm->GetComputeState() == SMESH_subMesh::READY_TO_COMPUTE)
349 const TopAbs_ShapeEnum aShType = sm->GetSubShape().ShapeType();
350 // check for preview dimension limitations
351 if ( aShapesId && GetShapeDim( aShType ) > (int)aDim )
354 if (_compute_canceled)
357 sm->ComputeStateEngine( computeEvent );
360 aShapesId->insert( sm->GetId() );
363 } // loop on shape dimensions
365 // -----------------------------------------------
366 // mesh the rest sub-shapes starting from vertices
367 // -----------------------------------------------
368 ret = Compute( aMesh, aShape, aShapeOnly, /*anUpward=*/true, aDim, aShapesId );
371 MESSAGE( "VSR - SMESH_Gen::Compute() finished, OK = " << ret);
374 SMESHDS_Mesh *myMesh = aMesh.GetMeshDS();
375 MESSAGE("*** compactMesh after compute");
376 myMesh->compactMesh();
378 // fix quadratic mesh by bending iternal links near concave boundary
379 if ( aShape.IsSame( aMesh.GetShapeToMesh() ) &&
380 !aShapesId && // not preview
381 ret ) // everything is OK
383 SMESH_MesherHelper aHelper( aMesh );
384 if ( aHelper.IsQuadraticMesh() != SMESH_MesherHelper::LINEAR )
386 aHelper.FixQuadraticElements( sm->GetComputeError() );
393 #ifdef WITH_SMESH_CANCEL_COMPUTE
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 );
421 //=============================================================================
425 //=============================================================================
427 bool SMESH_Gen::Evaluate(SMESH_Mesh & aMesh,
428 const TopoDS_Shape & aShape,
429 MapShapeNbElems& aResMap,
431 TSetOfInt* aShapesId)
433 MESSAGE("SMESH_Gen::Evaluate");
437 SMESH_subMesh *sm = aMesh.GetSubMesh(aShape);
439 const bool includeSelf = true;
440 const bool complexShapeFirst = true;
441 SMESH_subMeshIteratorPtr smIt;
443 if ( anUpward ) { // is called from below code here
444 // -----------------------------------------------
445 // mesh all the sub-shapes starting from vertices
446 // -----------------------------------------------
447 smIt = sm->getDependsOnIterator(includeSelf, !complexShapeFirst);
448 while ( smIt->more() ) {
449 SMESH_subMesh* smToCompute = smIt->next();
451 // do not mesh vertices of a pseudo shape
452 const TopAbs_ShapeEnum aShType = smToCompute->GetSubShape().ShapeType();
453 //if ( !aMesh.HasShapeToMesh() && aShType == TopAbs_VERTEX )
455 if ( !aMesh.HasShapeToMesh() ) {
456 if( aShType == TopAbs_VERTEX || aShType == TopAbs_WIRE ||
457 aShType == TopAbs_SHELL )
461 smToCompute->Evaluate(aResMap);
463 aShapesId->insert( smToCompute->GetId() );
468 // -----------------------------------------------------------------
469 // apply algos that DO NOT require Discreteized boundaries and DO NOT
470 // support sub-meshes, starting from the most complex shapes
471 // and collect sub-meshes with algos that DO support sub-meshes
472 // -----------------------------------------------------------------
473 list< SMESH_subMesh* > smWithAlgoSupportingSubmeshes;
474 smIt = sm->getDependsOnIterator(includeSelf, complexShapeFirst);
475 while ( smIt->more() ) {
476 SMESH_subMesh* smToCompute = smIt->next();
477 const TopoDS_Shape& aSubShape = smToCompute->GetSubShape();
478 const int aShapeDim = GetShapeDim( aSubShape );
479 if ( aShapeDim < 1 ) break;
481 SMESH_Algo* algo = GetAlgo( aMesh, aSubShape );
482 if ( algo && !algo->NeedDiscreteBoundary() ) {
483 if ( algo->SupportSubmeshes() ) {
484 smWithAlgoSupportingSubmeshes.push_front( smToCompute );
487 smToCompute->Evaluate(aResMap);
489 aShapesId->insert( smToCompute->GetId() );
494 // ------------------------------------------------------------
495 // sort list of meshes according to mesh order
496 // ------------------------------------------------------------
497 aMesh.SortByMeshOrder( smWithAlgoSupportingSubmeshes );
499 // ------------------------------------------------------------
500 // compute sub-meshes under shapes with algos that DO NOT require
501 // Discreteized boundaries and DO support sub-meshes
502 // ------------------------------------------------------------
503 list< SMESH_subMesh* >::iterator subIt, subEnd;
504 subIt = smWithAlgoSupportingSubmeshes.begin();
505 subEnd = smWithAlgoSupportingSubmeshes.end();
506 // start from lower shapes
507 for ( ; subIt != subEnd; ++subIt ) {
510 // get a shape the algo is assigned to
511 TopoDS_Shape algoShape;
512 if ( !GetAlgo( aMesh, sm->GetSubShape(), & algoShape ))
513 continue; // strange...
515 // look for more local algos
516 smIt = sm->getDependsOnIterator(!includeSelf, !complexShapeFirst);
517 while ( smIt->more() ) {
518 SMESH_subMesh* smToCompute = smIt->next();
520 const TopoDS_Shape& aSubShape = smToCompute->GetSubShape();
521 const int aShapeDim = GetShapeDim( aSubShape );
522 if ( aShapeDim < 1 ) continue;
524 //const TopAbs_ShapeEnum aShType = smToCompute->GetSubShape().ShapeType();
526 SMESH_HypoFilter filter( SMESH_HypoFilter::IsAlgo() );
528 .And( SMESH_HypoFilter::IsApplicableTo( aSubShape ))
529 .And( SMESH_HypoFilter::IsMoreLocalThan( algoShape, aMesh ));
531 if ( SMESH_Algo* subAlgo = (SMESH_Algo*) aMesh.GetHypothesis( aSubShape, filter, true )) {
532 if ( ! subAlgo->NeedDiscreteBoundary() ) continue;
533 SMESH_Hypothesis::Hypothesis_Status status;
534 if ( subAlgo->CheckHypothesis( aMesh, aSubShape, status ))
535 // mesh a lower smToCompute starting from vertices
536 Evaluate( aMesh, aSubShape, aResMap, /*anUpward=*/true, aShapesId );
540 // ----------------------------------------------------------
541 // apply the algos that do not require Discreteized boundaries
542 // ----------------------------------------------------------
543 for ( subIt = smWithAlgoSupportingSubmeshes.begin(); subIt != subEnd; ++subIt )
546 sm->Evaluate(aResMap);
548 aShapesId->insert( sm->GetId() );
551 // -----------------------------------------------
552 // mesh the rest sub-shapes starting from vertices
553 // -----------------------------------------------
554 ret = Evaluate( aMesh, aShape, aResMap, /*anUpward=*/true, aShapesId );
557 MESSAGE( "VSR - SMESH_Gen::Evaluate() finished, OK = " << ret);
562 //=======================================================================
563 //function : checkConformIgnoredAlgos
565 //=======================================================================
567 static bool checkConformIgnoredAlgos(SMESH_Mesh& aMesh,
568 SMESH_subMesh* aSubMesh,
569 const SMESH_Algo* aGlobIgnoAlgo,
570 const SMESH_Algo* aLocIgnoAlgo,
572 set<SMESH_subMesh*>& aCheckedMap,
573 list< SMESH_Gen::TAlgoStateError > & theErrors)
576 if ( aSubMesh->GetSubShape().ShapeType() == TopAbs_VERTEX)
582 const list<const SMESHDS_Hypothesis*>& listHyp =
583 aMesh.GetMeshDS()->GetHypothesis( aSubMesh->GetSubShape() );
584 list<const SMESHDS_Hypothesis*>::const_iterator it=listHyp.begin();
585 for ( ; it != listHyp.end(); it++)
587 const SMESHDS_Hypothesis * aHyp = *it;
588 if (aHyp->GetType() == SMESHDS_Hypothesis::PARAM_ALGO)
591 const SMESH_Algo* algo = dynamic_cast<const SMESH_Algo*> (aHyp);
594 if ( aLocIgnoAlgo ) // algo is hidden by a local algo of upper dim
596 theErrors.push_back( SMESH_Gen::TAlgoStateError() );
597 theErrors.back().Set( SMESH_Hypothesis::HYP_HIDDEN_ALGO, algo, false );
598 INFOS( "Local <" << algo->GetName() << "> is hidden by local <"
599 << aLocIgnoAlgo->GetName() << ">");
603 bool isGlobal = (aMesh.IsMainShape( aSubMesh->GetSubShape() ));
604 int dim = algo->GetDim();
605 int aMaxGlobIgnoDim = ( aGlobIgnoAlgo ? aGlobIgnoAlgo->GetDim() : -1 );
606 bool isNeededDim = ( aGlobIgnoAlgo ? aGlobIgnoAlgo->NeedLowerHyps( dim ) : false );
608 if (( dim < aMaxGlobIgnoDim && !isNeededDim ) &&
609 ( isGlobal || !aGlobIgnoAlgo->SupportSubmeshes() ))
611 // algo is hidden by a global algo
612 theErrors.push_back( SMESH_Gen::TAlgoStateError() );
613 theErrors.back().Set( SMESH_Hypothesis::HYP_HIDDEN_ALGO, algo, true );
614 INFOS( ( isGlobal ? "Global" : "Local" )
615 << " <" << algo->GetName() << "> is hidden by global <"
616 << aGlobIgnoAlgo->GetName() << ">");
618 else if ( !algo->NeedDiscreteBoundary() && !isGlobal)
620 // local algo is not hidden and hides algos on sub-shapes
621 if (checkConform && !aSubMesh->IsConform( algo ))
624 checkConform = false; // no more check conformity
625 INFOS( "ERROR: Local <" << algo->GetName() <<
626 "> would produce not conform mesh: "
627 "<Not Conform Mesh Allowed> hypotesis is missing");
628 theErrors.push_back( SMESH_Gen::TAlgoStateError() );
629 theErrors.back().Set( SMESH_Hypothesis::HYP_NOTCONFORM, algo, false );
632 // sub-algos will be hidden by a local <algo> if <algo> does not support sub-meshes
633 if ( algo->SupportSubmeshes() )
635 SMESH_subMeshIteratorPtr revItSub =
636 aSubMesh->getDependsOnIterator( /*includeSelf=*/false, /*complexShapeFirst=*/true);
637 bool checkConform2 = false;
638 while ( revItSub->more() )
640 SMESH_subMesh* sm = revItSub->next();
641 checkConformIgnoredAlgos (aMesh, sm, aGlobIgnoAlgo,
642 algo, checkConform2, aCheckedMap, theErrors);
643 aCheckedMap.insert( sm );
652 //=======================================================================
653 //function : checkMissing
654 //purpose : notify on missing hypothesis
655 // Return false if algo or hipothesis is missing
656 //=======================================================================
658 static bool checkMissing(SMESH_Gen* aGen,
660 SMESH_subMesh* aSubMesh,
661 const int aTopAlgoDim,
663 const bool checkNoAlgo,
664 set<SMESH_subMesh*>& aCheckedMap,
665 list< SMESH_Gen::TAlgoStateError > & theErrors)
667 switch ( aSubMesh->GetSubShape().ShapeType() )
671 case TopAbs_SOLID: break; // check this sub-mesh, it can be meshed
673 return true; // not meshable sub-mesh
675 if ( aCheckedMap.count( aSubMesh ))
678 //MESSAGE("=====checkMissing");
681 SMESH_Algo* algo = 0;
683 switch (aSubMesh->GetAlgoState())
685 case SMESH_subMesh::NO_ALGO: {
688 // should there be any algo?
689 int shapeDim = SMESH_Gen::GetShapeDim( aSubMesh->GetSubShape() );
690 if (aTopAlgoDim > shapeDim)
692 MESSAGE( "ERROR: " << shapeDim << "D algorithm is missing" );
694 theErrors.push_back( SMESH_Gen::TAlgoStateError() );
695 theErrors.back().Set( SMESH_Hypothesis::HYP_MISSING, shapeDim, true );
700 case SMESH_subMesh::MISSING_HYP: {
701 // notify if an algo missing hyp is attached to aSubMesh
702 algo = aSubMesh->GetAlgo();
704 bool IsGlobalHypothesis = aGen->IsGlobalHypothesis( algo, aMesh );
705 if (!IsGlobalHypothesis || !globalChecked[ algo->GetDim() ])
707 TAlgoStateErrorName errName = SMESH_Hypothesis::HYP_MISSING;
708 SMESH_Hypothesis::Hypothesis_Status status;
709 algo->CheckHypothesis( aMesh, aSubMesh->GetSubShape(), status );
710 if ( status == SMESH_Hypothesis::HYP_BAD_PARAMETER ) {
711 MESSAGE( "ERROR: hypothesis of " << (IsGlobalHypothesis ? "Global " : "Local ")
712 << "<" << algo->GetName() << "> has a bad parameter value");
714 } else if ( status == SMESH_Hypothesis::HYP_BAD_GEOMETRY ) {
715 MESSAGE( "ERROR: " << (IsGlobalHypothesis ? "Global " : "Local ")
716 << "<" << algo->GetName() << "> assigned to mismatching geometry");
719 MESSAGE( "ERROR: " << (IsGlobalHypothesis ? "Global " : "Local ")
720 << "<" << algo->GetName() << "> misses some hypothesis");
722 if (IsGlobalHypothesis)
723 globalChecked[ algo->GetDim() ] = true;
724 theErrors.push_back( SMESH_Gen::TAlgoStateError() );
725 theErrors.back().Set( errName, algo, IsGlobalHypothesis );
730 case SMESH_subMesh::HYP_OK:
731 algo = aSubMesh->GetAlgo();
733 if (!algo->NeedDiscreteBoundary())
735 SMESH_subMeshIteratorPtr itsub = aSubMesh->getDependsOnIterator( /*includeSelf=*/false,
736 /*complexShapeFirst=*/false);
737 while ( itsub->more() )
738 aCheckedMap.insert( itsub->next() );
744 // do not check under algo that hides sub-algos or
745 // re-start checking NO_ALGO state
747 bool isTopLocalAlgo =
748 ( aTopAlgoDim <= algo->GetDim() && !aGen->IsGlobalHypothesis( algo, aMesh ));
749 if (!algo->NeedDiscreteBoundary() || isTopLocalAlgo)
751 bool checkNoAlgo2 = ( algo->NeedDiscreteBoundary() );
752 SMESH_subMeshIteratorPtr itsub = aSubMesh->getDependsOnIterator( /*includeSelf=*/false,
753 /*complexShapeFirst=*/true);
754 while ( itsub->more() )
756 // sub-meshes should not be checked further more
757 SMESH_subMesh* sm = itsub->next();
761 //check algo on sub-meshes
762 int aTopAlgoDim2 = algo->GetDim();
763 if (!checkMissing (aGen, aMesh, sm, aTopAlgoDim2,
764 globalChecked, checkNoAlgo2, aCheckedMap, theErrors))
767 if (sm->GetAlgoState() == SMESH_subMesh::NO_ALGO )
768 checkNoAlgo2 = false;
771 aCheckedMap.insert( sm );
777 //=======================================================================
778 //function : CheckAlgoState
779 //purpose : notify on bad state of attached algos, return false
780 // if Compute() would fail because of some algo bad state
781 //=======================================================================
783 bool SMESH_Gen::CheckAlgoState(SMESH_Mesh& aMesh, const TopoDS_Shape& aShape)
785 list< TAlgoStateError > errors;
786 return GetAlgoState( aMesh, aShape, errors );
789 //=======================================================================
790 //function : GetAlgoState
791 //purpose : notify on bad state of attached algos, return false
792 // if Compute() would fail because of some algo bad state
793 // theErrors list contains problems description
794 //=======================================================================
796 bool SMESH_Gen::GetAlgoState(SMESH_Mesh& theMesh,
797 const TopoDS_Shape& theShape,
798 list< TAlgoStateError > & theErrors)
800 //MESSAGE("SMESH_Gen::CheckAlgoState");
803 bool hasAlgo = false;
805 SMESH_subMesh* sm = theMesh.GetSubMesh(theShape);
806 const SMESHDS_Mesh* meshDS = theMesh.GetMeshDS();
807 TopoDS_Shape mainShape = meshDS->ShapeToMesh();
813 const SMESH_Algo* aGlobAlgoArr[] = {0,0,0,0};
815 const list<const SMESHDS_Hypothesis*>& listHyp = meshDS->GetHypothesis( mainShape );
816 list<const SMESHDS_Hypothesis*>::const_iterator it=listHyp.begin();
817 for ( ; it != listHyp.end(); it++)
819 const SMESHDS_Hypothesis * aHyp = *it;
820 if (aHyp->GetType() == SMESHDS_Hypothesis::PARAM_ALGO)
823 const SMESH_Algo* algo = dynamic_cast<const SMESH_Algo*> (aHyp);
826 int dim = algo->GetDim();
827 aGlobAlgoArr[ dim ] = algo;
832 // --------------------------------------------------------
833 // info on algos that will be ignored because of ones that
834 // don't NeedDiscreteBoundary() attached to super-shapes,
835 // check that a conform mesh will be produced
836 // --------------------------------------------------------
839 // find a global algo possibly hiding sub-algos
841 const SMESH_Algo* aGlobIgnoAlgo = 0;
842 for (dim = 3; dim > 0; dim--)
844 if (aGlobAlgoArr[ dim ] &&
845 !aGlobAlgoArr[ dim ]->NeedDiscreteBoundary() /*&&
846 !aGlobAlgoArr[ dim ]->SupportSubmeshes()*/ )
848 aGlobIgnoAlgo = aGlobAlgoArr[ dim ];
853 set<SMESH_subMesh*> aCheckedSubs;
854 bool checkConform = ( !theMesh.IsNotConformAllowed() );
856 // loop on theShape and its sub-shapes
857 SMESH_subMeshIteratorPtr revItSub = sm->getDependsOnIterator( /*includeSelf=*/true,
858 /*complexShapeFirst=*/true);
859 while ( revItSub->more() )
861 SMESH_subMesh* smToCheck = revItSub->next();
862 if ( smToCheck->GetSubShape().ShapeType() == TopAbs_VERTEX)
865 if ( aCheckedSubs.insert( smToCheck ).second ) // not yet checked
866 if (!checkConformIgnoredAlgos (theMesh, smToCheck, aGlobIgnoAlgo,
867 0, checkConform, aCheckedSubs, theErrors))
870 if ( smToCheck->GetAlgoState() != SMESH_subMesh::NO_ALGO )
874 // ----------------------------------------------------------------
875 // info on missing hypothesis and find out if all needed algos are
877 // ----------------------------------------------------------------
879 //MESSAGE( "---info on missing hypothesis and find out if all needed algos are");
881 // find max dim of global algo
883 for (dim = 3; dim > 0; dim--)
885 if (aGlobAlgoArr[ dim ])
891 bool checkNoAlgo = theMesh.HasShapeToMesh() ? bool( aTopAlgoDim ) : false;
892 bool globalChecked[] = { false, false, false, false };
894 // loop on theShape and its sub-shapes
895 aCheckedSubs.clear();
896 revItSub = sm->getDependsOnIterator( /*includeSelf=*/true, /*complexShapeFirst=*/true);
897 while ( revItSub->more() )
899 SMESH_subMesh* smToCheck = revItSub->next();
900 if ( smToCheck->GetSubShape().ShapeType() == TopAbs_VERTEX)
903 if (!checkMissing (this, theMesh, smToCheck, aTopAlgoDim,
904 globalChecked, checkNoAlgo, aCheckedSubs, theErrors))
907 if (smToCheck->GetAlgoState() == SMESH_subMesh::NO_ALGO )
914 INFOS( "None algorithm attached" );
915 theErrors.push_back( TAlgoStateError() );
916 theErrors.back().Set( SMESH_Hypothesis::HYP_MISSING, 1, true );
922 //=======================================================================
923 //function : IsGlobalHypothesis
924 //purpose : check if theAlgo is attached to the main shape
925 //=======================================================================
927 bool SMESH_Gen::IsGlobalHypothesis(const SMESH_Hypothesis* theHyp, SMESH_Mesh& aMesh)
929 SMESH_HypoFilter filter( SMESH_HypoFilter::Is( theHyp ));
930 return aMesh.GetHypothesis( aMesh.GetMeshDS()->ShapeToMesh(), filter, false );
933 //================================================================================
935 * \brief Return paths to xml files of plugins
937 //================================================================================
939 std::vector< std::string > SMESH_Gen::GetPluginXMLPaths()
941 // Get paths to xml files of plugins
942 vector< string > xmlPaths;
944 if ( const char* meshersList = getenv("SMESH_MeshersList") )
946 string meshers = meshersList, plugin;
947 string::size_type from = 0, pos;
948 while ( from < meshers.size() )
950 // cut off plugin name
951 pos = meshers.find( ':', from );
952 if ( pos != string::npos )
953 plugin = meshers.substr( from, pos-from );
955 plugin = meshers.substr( from ), pos = meshers.size();
958 // get PLUGIN_ROOT_DIR path
959 string rootDirVar, pluginSubDir = plugin;
960 if ( plugin == "StdMeshers" )
961 rootDirVar = "SMESH", pluginSubDir = "smesh";
963 for ( pos = 0; pos < plugin.size(); ++pos )
964 rootDirVar += toupper( plugin[pos] );
965 rootDirVar += "_ROOT_DIR";
967 const char* rootDir = getenv( rootDirVar.c_str() );
968 if ( !rootDir || strlen(rootDir) == 0 )
970 rootDirVar = plugin + "_ROOT_DIR"; // HexoticPLUGIN_ROOT_DIR
971 rootDir = getenv( rootDirVar.c_str() );
972 if ( !rootDir || strlen(rootDir) == 0 ) continue;
975 // get a separator from rootDir
976 for ( pos = strlen( rootDir )-1; pos >= 0 && sep.empty(); --pos )
977 if ( rootDir[pos] == '/' || rootDir[pos] == '\\' )
983 if (sep.empty() ) sep = "\\";
985 if (sep.empty() ) sep = "/";
988 // get a path to resource file
989 string xmlPath = rootDir;
990 if ( xmlPath[ xmlPath.size()-1 ] != sep[0] )
992 xmlPath += "share" + sep + "salome" + sep + "resources" + sep;
993 for ( pos = 0; pos < pluginSubDir.size(); ++pos )
994 xmlPath += tolower( pluginSubDir[pos] );
995 xmlPath += sep + plugin + ".xml";
998 fileOK = (GetFileAttributes(xmlPath.c_str()) != INVALID_FILE_ATTRIBUTES);
1000 fileOK = (access(xmlPath.c_str(), F_OK) == 0);
1003 xmlPaths.push_back( xmlPath );
1010 //=============================================================================
1012 * Finds algo to mesh a shape. Optionally returns a shape the found algo is bound to
1014 //=============================================================================
1016 SMESH_Algo *SMESH_Gen::GetAlgo(SMESH_Mesh & aMesh,
1017 const TopoDS_Shape & aShape,
1018 TopoDS_Shape* assignedTo)
1020 SMESH_HypoFilter filter( SMESH_HypoFilter::IsAlgo() );
1021 filter.And( filter.IsApplicableTo( aShape ));
1023 typedef SMESH_Algo::Features AlgoData;
1025 TopoDS_Shape assignedToShape;
1027 (SMESH_Algo*) aMesh.GetHypothesis( aShape, filter, true, &assignedToShape );
1030 aShape.ShapeType() == TopAbs_FACE &&
1031 !aShape.IsSame( assignedToShape ) &&
1032 SMESH_MesherHelper::NbAncestors( aShape, aMesh, TopAbs_SOLID ) > 1 )
1034 // Issue 0021559. If there is another 2D algo with different types of output
1035 // elements that can be used to mesh aShape, and 3D algos on adjacent SOLIDs
1036 // have different types of input elements, we choose a most appropriate 2D algo.
1038 // try to find a concurrent 2D algo
1039 filter.AndNot( filter.Is( algo ));
1040 TopoDS_Shape assignedToShape2;
1042 (SMESH_Algo*) aMesh.GetHypothesis( aShape, filter, true, &assignedToShape2 );
1043 if ( algo2 && // algo found
1044 !assignedToShape2.IsSame( aMesh.GetShapeToMesh() ) && // algo is local
1045 ( SMESH_MesherHelper::GetGroupType( assignedToShape2 ) == // algo of the same level
1046 SMESH_MesherHelper::GetGroupType( assignedToShape )) &&
1047 aMesh.IsOrderOK( aMesh.GetSubMesh( assignedToShape2 ), // no forced order
1048 aMesh.GetSubMesh( assignedToShape )))
1050 // get algos on the adjacent SOLIDs
1051 filter.Init( filter.IsAlgo() ).And( filter.HasDim( 3 ));
1052 vector< SMESH_Algo* > algos3D;
1053 PShapeIteratorPtr solidIt = SMESH_MesherHelper::GetAncestors( aShape, aMesh,
1055 while ( const TopoDS_Shape* solid = solidIt->next() )
1056 if ( SMESH_Algo* algo3D = (SMESH_Algo*) aMesh.GetHypothesis( *solid, filter, true ))
1058 algos3D.push_back( algo3D );
1059 filter.AndNot( filter.HasName( algo3D->GetName() ));
1061 // check compatibility of algos
1062 if ( algos3D.size() > 1 )
1064 const AlgoData& algoData = algo->SMESH_Algo::GetFeatures();
1065 const AlgoData& algoData2 = algo2->SMESH_Algo::GetFeatures();
1066 const AlgoData& algoData3d0 = algos3D[0]->SMESH_Algo::GetFeatures();
1067 const AlgoData& algoData3d1 = algos3D[1]->SMESH_Algo::GetFeatures();
1068 if (( algoData2.IsCompatible( algoData3d0 ) &&
1069 algoData2.IsCompatible( algoData3d1 ))
1071 !(algoData.IsCompatible( algoData3d0 ) &&
1072 algoData.IsCompatible( algoData3d1 )))
1078 if ( assignedTo && algo )
1079 * assignedTo = assignedToShape;
1084 //=============================================================================
1086 * Returns StudyContextStruct for a study
1088 //=============================================================================
1090 StudyContextStruct *SMESH_Gen::GetStudyContext(int studyId)
1092 // Get studyContext, create it if it does'nt exist, with a SMESHDS_Document
1094 if (_mapStudyContext.find(studyId) == _mapStudyContext.end())
1096 _mapStudyContext[studyId] = new StudyContextStruct;
1097 _mapStudyContext[studyId]->myDocument = new SMESHDS_Document(studyId);
1099 StudyContextStruct *myStudyContext = _mapStudyContext[studyId];
1100 return myStudyContext;
1103 //================================================================================
1105 * \brief Return shape dimension by TopAbs_ShapeEnum
1107 //================================================================================
1109 int SMESH_Gen::GetShapeDim(const TopAbs_ShapeEnum & aShapeType)
1111 static vector<int> dim;
1114 dim.resize( TopAbs_SHAPE, -1 );
1115 dim[ TopAbs_COMPOUND ] = MeshDim_3D;
1116 dim[ TopAbs_COMPSOLID ] = MeshDim_3D;
1117 dim[ TopAbs_SOLID ] = MeshDim_3D;
1118 dim[ TopAbs_SHELL ] = MeshDim_2D;
1119 dim[ TopAbs_FACE ] = MeshDim_2D;
1120 dim[ TopAbs_WIRE ] = MeshDim_1D;
1121 dim[ TopAbs_EDGE ] = MeshDim_1D;
1122 dim[ TopAbs_VERTEX ] = MeshDim_0D;
1124 return dim[ aShapeType ];
1127 //=============================================================================
1129 * Genarate a new id unique withing this Gen
1131 //=============================================================================
1133 int SMESH_Gen::GetANewId()