1 // SMESH SMESH : implementaion of SMESH idl descriptions
3 // Copyright (C) 2003 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
24 // File : SMESH_Gen.cxx
25 // Author : Paul RASCLE, EDF
29 #include "SMESH_Gen.hxx"
30 #include "SMESH_subMesh.hxx"
31 #include "SMESH_HypoFilter.hxx"
32 #include "SMDS_MeshElement.hxx"
33 #include "SMDS_MeshNode.hxx"
35 #include "utilities.h"
37 #include "Utils_ExceptHandlers.hxx"
40 #include <BRep_Tool.hxx>
41 #include <TopTools_ListOfShape.hxx>
42 #include <TopTools_ListIteratorOfListOfShape.hxx>
46 //=============================================================================
48 * default constructor:
50 //=============================================================================
52 SMESH_Gen::SMESH_Gen()
54 MESSAGE("SMESH_Gen::SMESH_Gen");
59 //=============================================================================
63 //=============================================================================
65 SMESH_Gen::~SMESH_Gen()
67 MESSAGE("SMESH_Gen::~SMESH_Gen");
70 //=============================================================================
74 //=============================================================================
76 /*SMESH_Hypothesis *SMESH_Gen::CreateHypothesis(const char *anHyp, int studyId)
77 throw(SALOME_Exception)
80 MESSAGE("CreateHypothesis("<<anHyp<<","<<studyId<<")");
81 // Get studyContext, create it if it does'nt exist, with a SMESHDS_Document
83 StudyContextStruct *myStudyContext = GetStudyContext(studyId);
85 // create a new hypothesis object, store its ref. in studyContext
87 SMESH_Hypothesis *myHypothesis = _hypothesisFactory.Create(anHyp, studyId);
88 int hypId = myHypothesis->GetID();
89 myStudyContext->mapHypothesis[hypId] = myHypothesis;
93 // store hypothesis in SMESHDS document
95 myStudyContext->myDocument->AddHypothesis(myHypothesis);
99 //=============================================================================
103 //=============================================================================
105 SMESH_Mesh* SMESH_Gen::CreateMesh(int theStudyId, bool theIsEmbeddedMode)
106 throw(SALOME_Exception)
108 Unexpect aCatch(SalomeException);
109 MESSAGE("SMESH_Gen::CreateMesh");
111 // Get studyContext, create it if it does'nt exist, with a SMESHDS_Document
112 StudyContextStruct *aStudyContext = GetStudyContext(theStudyId);
114 // create a new SMESH_mesh object
115 SMESH_Mesh *aMesh = new SMESH_Mesh(_localId++,
119 aStudyContext->myDocument);
120 aStudyContext->mapMesh[_localId] = aMesh;
125 //================================================================================
127 * \brief Compute submesh
128 * \param sm - submesh
129 * \retval bool - is a success
131 //================================================================================
133 bool SMESH_Gen::Compute(::SMESH_subMesh& sm)
135 if ( sm.GetSubShape().ShapeType() == TopAbs_VERTEX )
137 SMESHDS_SubMesh* smDS = sm.GetSubMeshDS();
138 if ( !smDS || !smDS->NbNodes() ) {
139 TopoDS_Vertex V = TopoDS::Vertex(sm.GetSubShape());
140 gp_Pnt P = BRep_Tool::Pnt(V);
141 SMESHDS_Mesh * meshDS = sm.GetFather()->GetMeshDS();
142 if ( SMDS_MeshNode * node = meshDS->AddNode(P.X(), P.Y(), P.Z()) )
143 meshDS->SetNodeOnVertex(node, V);
146 return sm.ComputeStateEngine(SMESH_subMesh::COMPUTE);
149 //=============================================================================
153 //=============================================================================
155 bool SMESH_Gen::Compute(SMESH_Mesh & aMesh, const TopoDS_Shape & aShape)
157 MESSAGE("SMESH_Gen::Compute");
158 // bool isDone = false;
160 Algo : s'appuie ou non sur une geometrie
162 Vertex : rien à faire (range le point)
163 Edge, Wire, collection d'edge et wire : 1D
164 Face, Shell, collection de Face et Shells : 2D
165 Solid, Collection de Solid : 3D
167 // *** corriger commentaires
168 // check hypothesis associated to the mesh :
169 // - only one algo : type compatible with the type of the shape
170 // - hypothesis = compatible with algo
171 // - check if hypothesis are applicable to this algo
172 // - check contradictions within hypothesis
173 // (test if enough hypothesis is done further)
177 // if ( !CheckAlgoState( aMesh, aShape ))
179 // INFOS( "ABORT MESHING: some algos or hypothesis are missing");
183 SMESH_subMesh *sm = aMesh.GetSubMesh(aShape);
185 // if ( sm->GetComputeState() == SMESH_subMesh::COMPUTE_OK )
186 // return true; // already computed
188 // -----------------------------------------------------------------
189 // apply algos that do not require descretized boundaries, starting
190 // from the most complex shapes
191 // -----------------------------------------------------------------
193 // map containing all subshapes in the order: vertices, edges, faces...
194 const map<int, SMESH_subMesh*>& smMap = sm->DependsOn();
195 map<int, SMESH_subMesh*>::const_reverse_iterator revItSub = smMap.rbegin();
197 SMESH_subMesh* smToCompute = sm;
198 while ( smToCompute )
200 const TopoDS_Shape& aSubShape = smToCompute->GetSubShape();
201 if ( GetShapeDim( aSubShape ) < 1 ) break;
203 SMESH_Algo* algo = GetAlgo( aMesh, aSubShape );
204 if (algo && !algo->NeedDescretBoundary()) {
205 if (smToCompute->GetComputeState() == SMESH_subMesh::READY_TO_COMPUTE) {
206 ret = smToCompute->ComputeStateEngine( SMESH_subMesh::COMPUTE );
207 } else if (smToCompute->GetComputeState() == SMESH_subMesh::FAILED_TO_COMPUTE) {
217 if (revItSub != smMap.rend())
219 smToCompute = (*revItSub).second;
226 // -----------------------------------------------
227 // mesh the rest subshapes starting from vertices
228 // -----------------------------------------------
230 int i, nbSub = smMap.size();
231 map<int, SMESH_subMesh*>::const_iterator itSub = smMap.begin();
232 for ( i = 0; i <= nbSub; ++i ) // loop on the whole map plus <sm>
234 if ( itSub == smMap.end() )
237 smToCompute = (itSub++)->second;
239 if (smToCompute->GetComputeState() != SMESH_subMesh::READY_TO_COMPUTE) {
240 if (smToCompute->GetComputeState() == SMESH_subMesh::FAILED_TO_COMPUTE)
243 else if ( !Compute( *smToCompute )) {
248 MESSAGE( "VSR - SMESH_Gen::Compute() finished, OK = " << ret);
253 //=======================================================================
254 //function : checkConformIgnoredAlgos
256 //=======================================================================
258 static bool checkConformIgnoredAlgos(SMESH_Mesh& aMesh,
259 SMESH_subMesh* aSubMesh,
260 const SMESH_Algo* aGlobIgnoAlgo,
261 const SMESH_Algo* aLocIgnoAlgo,
263 map<int, SMESH_subMesh*>& aCheckedMap,
264 list< SMESH_Gen::TAlgoStateError > & theErrors)
267 if ( aSubMesh->GetSubShape().ShapeType() == TopAbs_VERTEX)
273 const list<const SMESHDS_Hypothesis*>& listHyp =
274 aMesh.GetMeshDS()->GetHypothesis( aSubMesh->GetSubShape() );
275 list<const SMESHDS_Hypothesis*>::const_iterator it=listHyp.begin();
276 for ( ; it != listHyp.end(); it++)
278 const SMESHDS_Hypothesis * aHyp = *it;
279 if (aHyp->GetType() == SMESHDS_Hypothesis::PARAM_ALGO)
282 const SMESH_Algo* algo = dynamic_cast<const SMESH_Algo*> (aHyp);
285 if ( aLocIgnoAlgo ) // algo is hidden by a local algo of upper dim
287 INFOS( "Local <" << algo->GetName() << "> is hidden by local <"
288 << aLocIgnoAlgo->GetName() << ">");
292 bool isGlobal = (aMesh.IsMainShape( aSubMesh->GetSubShape() ));
293 int dim = algo->GetDim();
294 int aMaxGlobIgnoDim = ( aGlobIgnoAlgo ? aGlobIgnoAlgo->GetDim() : -1 );
296 if ( dim < aMaxGlobIgnoDim )
298 // algo is hidden by a global algo
299 INFOS( ( isGlobal ? "Global" : "Local" )
300 << " <" << algo->GetName() << "> is hidden by global <"
301 << aGlobIgnoAlgo->GetName() << ">");
303 else if ( !algo->NeedDescretBoundary() && !isGlobal)
305 // local algo is not hidden and hides algos on sub-shapes
306 if (checkConform && !aSubMesh->IsConform( algo ))
309 checkConform = false; // no more check conformity
310 INFOS( "ERROR: Local <" << algo->GetName() <<
311 "> would produce not conform mesh: "
312 "<Not Conform Mesh Allowed> hypotesis is missing");
313 theErrors.push_back( SMESH_Gen::TAlgoStateError() );
314 theErrors.back().Set( SMESH_Gen::NOT_CONFORM_MESH, algo, false );
317 // sub-algos will be hidden by a local <algo>
318 const map<int, SMESH_subMesh*>& smMap = aSubMesh->DependsOn();
319 map<int, SMESH_subMesh*>::const_reverse_iterator revItSub;
320 bool checkConform2 = false;
321 for ( revItSub = smMap.rbegin(); revItSub != smMap.rend(); revItSub++)
323 checkConformIgnoredAlgos (aMesh, (*revItSub).second, aGlobIgnoAlgo,
324 algo, checkConform2, aCheckedMap, theErrors);
325 int key = (*revItSub).first;
326 SMESH_subMesh* sm = (*revItSub).second;
327 if ( aCheckedMap.find( key ) == aCheckedMap.end() )
329 aCheckedMap[ key ] = sm;
339 //=======================================================================
340 //function : checkMissing
341 //purpose : notify on missing hypothesis
342 // Return false if algo or hipothesis is missing
343 //=======================================================================
345 static bool checkMissing(SMESH_Gen* aGen,
347 SMESH_subMesh* aSubMesh,
348 const int aTopAlgoDim,
350 const bool checkNoAlgo,
351 map<int, SMESH_subMesh*>& aCheckedMap,
352 list< SMESH_Gen::TAlgoStateError > & theErrors)
354 if ( aSubMesh->GetSubShape().ShapeType() == TopAbs_VERTEX)
357 //MESSAGE("=====checkMissing");
360 SMESH_Algo* algo = 0;
362 switch (aSubMesh->GetAlgoState())
364 case SMESH_subMesh::NO_ALGO: {
367 // should there be any algo?
368 int shapeDim = SMESH_Gen::GetShapeDim( aSubMesh->GetSubShape() );
369 if (aTopAlgoDim > shapeDim)
371 INFOS( "ERROR: " << shapeDim << "D algorithm is missing" );
373 theErrors.push_back( SMESH_Gen::TAlgoStateError() );
374 theErrors.back().Set( SMESH_Gen::MISSING_ALGO, shapeDim, true );
379 case SMESH_subMesh::MISSING_HYP: {
380 // notify if an algo missing hyp is attached to aSubMesh
381 algo = aGen->GetAlgo( aMesh, aSubMesh->GetSubShape() );
383 bool IsGlobalHypothesis = aGen->IsGlobalHypothesis( algo, aMesh );
384 if (!IsGlobalHypothesis || !globalChecked[ algo->GetDim() ])
386 SMESH_Gen::TAlgoStateErrorName errName = SMESH_Gen::MISSING_HYPO;
387 SMESH_Hypothesis::Hypothesis_Status status;
388 algo->CheckHypothesis( aMesh, aSubMesh->GetSubShape(), status );
389 if ( status == SMESH_Hypothesis::HYP_BAD_PARAMETER ) {
390 INFOS( "ERROR: hypothesis of " << (IsGlobalHypothesis ? "Global " : "Local ")
391 << "<" << algo->GetName() << "> has a bad parameter value");
392 errName = SMESH_Gen::BAD_PARAM_VALUE;
394 INFOS( "ERROR: " << (IsGlobalHypothesis ? "Global " : "Local ")
395 << "<" << algo->GetName() << "> misses some hypothesis");
397 if (IsGlobalHypothesis)
398 globalChecked[ algo->GetDim() ] = true;
399 theErrors.push_back( SMESH_Gen::TAlgoStateError() );
400 theErrors.back().Set( errName, algo, IsGlobalHypothesis );
405 case SMESH_subMesh::HYP_OK:
406 algo = aGen->GetAlgo( aMesh, aSubMesh->GetSubShape() );
412 // do not check under algo that hides sub-algos or
413 // re-start checking NO_ALGO state
415 bool isTopLocalAlgo =
416 ( aTopAlgoDim <= algo->GetDim() && !aGen->IsGlobalHypothesis( algo, aMesh ));
417 if (!algo->NeedDescretBoundary() || isTopLocalAlgo)
419 bool checkNoAlgo2 = ( algo->NeedDescretBoundary() );
420 const map<int, SMESH_subMesh*>& subMeshes = aSubMesh->DependsOn();
421 map<int, SMESH_subMesh*>::const_iterator itsub;
422 for (itsub = subMeshes.begin(); itsub != subMeshes.end(); itsub++)
424 // sub-meshes should not be checked further more
425 int key = (*itsub).first;
426 SMESH_subMesh* sm = (*itsub).second;
427 if ( aCheckedMap.find( key ) == aCheckedMap.end() )
428 aCheckedMap[ key ] = sm;
432 //check algo on sub-meshes
433 int aTopAlgoDim2 = algo->GetDim();
434 if (!checkMissing (aGen, aMesh, sm, aTopAlgoDim2,
435 globalChecked, checkNoAlgo2, aCheckedMap, theErrors))
438 if (sm->GetAlgoState() == SMESH_subMesh::NO_ALGO )
439 checkNoAlgo2 = false;
447 //=======================================================================
448 //function : CheckAlgoState
449 //purpose : notify on bad state of attached algos, return false
450 // if Compute() would fail because of some algo bad state
451 //=======================================================================
453 bool SMESH_Gen::CheckAlgoState(SMESH_Mesh& aMesh, const TopoDS_Shape& aShape)
455 list< TAlgoStateError > errors;
456 return GetAlgoState( aMesh, aShape, errors );
459 //=======================================================================
460 //function : GetAlgoState
461 //purpose : notify on bad state of attached algos, return false
462 // if Compute() would fail because of some algo bad state
463 // theErrors list contains problems description
464 //=======================================================================
466 bool SMESH_Gen::GetAlgoState(SMESH_Mesh& theMesh,
467 const TopoDS_Shape& theShape,
468 list< TAlgoStateError > & theErrors)
470 //MESSAGE("SMESH_Gen::CheckAlgoState");
473 bool hasAlgo = false;
475 SMESH_subMesh* sm = theMesh.GetSubMesh(theShape);
476 const SMESHDS_Mesh* meshDS = theMesh.GetMeshDS();
477 TopoDS_Shape mainShape = meshDS->ShapeToMesh();
483 const SMESH_Algo* aGlobAlgoArr[] = {0,0,0,0};
485 const list<const SMESHDS_Hypothesis*>& listHyp = meshDS->GetHypothesis( mainShape );
486 list<const SMESHDS_Hypothesis*>::const_iterator it=listHyp.begin();
487 for ( ; it != listHyp.end(); it++)
489 const SMESHDS_Hypothesis * aHyp = *it;
490 if (aHyp->GetType() == SMESHDS_Hypothesis::PARAM_ALGO)
493 const SMESH_Algo* algo = dynamic_cast<const SMESH_Algo*> (aHyp);
496 int dim = algo->GetDim();
497 aGlobAlgoArr[ dim ] = algo;
502 // --------------------------------------------------------
503 // info on algos that will be ignored because of ones that
504 // don't NeedDescretBoundary() attached to super-shapes,
505 // check that a conform mesh will be produced
506 // --------------------------------------------------------
509 // find a global algo possibly hiding sub-algos
511 const SMESH_Algo* aGlobIgnoAlgo = 0;
512 for (dim = 3; dim > 0; dim--)
514 if (aGlobAlgoArr[ dim ] &&
515 !aGlobAlgoArr[ dim ]->NeedDescretBoundary())
517 aGlobIgnoAlgo = aGlobAlgoArr[ dim ];
522 const map<int, SMESH_subMesh*>& smMap = sm->DependsOn();
523 map<int, SMESH_subMesh*>::const_reverse_iterator revItSub = smMap.rbegin();
524 map<int, SMESH_subMesh*> aCheckedMap;
525 bool checkConform = ( !theMesh.IsNotConformAllowed() );
527 SMESH_subMesh* smToCheck = sm;
529 // loop on theShape and its sub-shapes
532 if ( smToCheck->GetSubShape().ShapeType() == TopAbs_VERTEX)
535 if ( aCheckedMap.find( aKey ) == aCheckedMap.end() )
536 if (!checkConformIgnoredAlgos (theMesh, smToCheck, aGlobIgnoAlgo,
537 0, checkConform, aCheckedMap, theErrors))
540 if ( smToCheck->GetAlgoState() != SMESH_subMesh::NO_ALGO )
544 if (revItSub != smMap.rend())
546 aKey = (*revItSub).first;
547 smToCheck = (*revItSub).second;
557 // ----------------------------------------------------------------
558 // info on missing hypothesis and find out if all needed algos are
560 // ----------------------------------------------------------------
562 //MESSAGE( "---info on missing hypothesis and find out if all needed algos are");
564 // find max dim of global algo
566 for (dim = 3; dim > 0; dim--)
568 if (aGlobAlgoArr[ dim ])
576 revItSub = smMap.rbegin();
577 bool checkNoAlgo = theMesh.HasShapeToMesh() ? bool( aTopAlgoDim ) : false;
578 bool globalChecked[] = { false, false, false, false };
580 // loop on theShape and its sub-shapes
583 if ( smToCheck->GetSubShape().ShapeType() == TopAbs_VERTEX)
586 if ( aCheckedMap.find( aKey ) == aCheckedMap.end() )
587 if (!checkMissing (this, theMesh, smToCheck, aTopAlgoDim,
588 globalChecked, checkNoAlgo, aCheckedMap, theErrors))
591 if (smToCheck->GetAlgoState() == SMESH_subMesh::NO_ALGO )
596 if (revItSub != smMap.rend())
598 aKey = (*revItSub).first;
599 smToCheck = (*revItSub).second;
608 INFOS( "None algorithm attached" );
609 theErrors.push_back( TAlgoStateError() );
610 theErrors.back().Set( MISSING_ALGO, 1, true );
616 //=======================================================================
617 //function : IsGlobalHypothesis
618 //purpose : check if theAlgo is attached to the main shape
619 //=======================================================================
621 bool SMESH_Gen::IsGlobalHypothesis(const SMESH_Hypothesis* theHyp, SMESH_Mesh& aMesh)
623 SMESH_HypoFilter filter( SMESH_HypoFilter::Is( theHyp ));
624 return aMesh.GetHypothesis( aMesh.GetMeshDS()->ShapeToMesh(), filter, false );
627 //=============================================================================
631 //=============================================================================
633 SMESH_Algo *SMESH_Gen::GetAlgo(SMESH_Mesh & aMesh, const TopoDS_Shape & aShape)
636 SMESH_HypoFilter filter( SMESH_HypoFilter::IsAlgo() );
637 filter.And( filter.IsApplicableTo( aShape ));
639 list <const SMESHDS_Hypothesis * > algoList;
640 aMesh.GetHypotheses( aShape, filter, algoList, true );
642 if ( algoList.empty() )
645 return const_cast<SMESH_Algo*> ( static_cast<const SMESH_Algo* >( algoList.front() ));
648 //=============================================================================
652 //=============================================================================
654 StudyContextStruct *SMESH_Gen::GetStudyContext(int studyId)
656 // Get studyContext, create it if it does'nt exist, with a SMESHDS_Document
658 if (_mapStudyContext.find(studyId) == _mapStudyContext.end())
660 _mapStudyContext[studyId] = new StudyContextStruct;
661 _mapStudyContext[studyId]->myDocument = new SMESHDS_Document(studyId);
663 StudyContextStruct *myStudyContext = _mapStudyContext[studyId];
664 // ASSERT(_mapStudyContext.find(studyId) != _mapStudyContext.end());
665 return myStudyContext;
668 //=============================================================================
672 //=============================================================================
674 void SMESH_Gen::Save(int studyId, const char *aUrlOfFile)
678 //=============================================================================
682 //=============================================================================
684 void SMESH_Gen::Load(int studyId, const char *aUrlOfFile)
688 //=============================================================================
692 //=============================================================================
694 void SMESH_Gen::Close(int studyId)
698 //=============================================================================
702 //=============================================================================
704 int SMESH_Gen::GetShapeDim(const TopAbs_ShapeEnum & aShapeType)
706 static vector<int> dim;
709 dim.resize( TopAbs_SHAPE, -1 );
710 dim[ TopAbs_COMPOUND ] = 3;
711 dim[ TopAbs_COMPSOLID ] = 3;
712 dim[ TopAbs_SOLID ] = 3;
713 dim[ TopAbs_SHELL ] = 3;
714 dim[ TopAbs_FACE ] = 2;
715 dim[ TopAbs_WIRE ] = 1;
716 dim[ TopAbs_EDGE ] = 1;
717 dim[ TopAbs_VERTEX ] = 0;
719 return dim[ aShapeType ];
722 //=============================================================================
726 //=============================================================================
728 int SMESH_Gen::GetANewId()
730 //MESSAGE("SMESH_Gen::GetANewId");