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 //=============================================================================
129 //=============================================================================
131 bool SMESH_Gen::Compute(SMESH_Mesh & aMesh, const TopoDS_Shape & aShape)
133 MESSAGE("SMESH_Gen::Compute");
137 SMESH_subMesh *sm = aMesh.GetSubMesh(aShape);
139 // -----------------------------------------------------------------
140 // apply algos that do not require descretized boundaries, starting
141 // from the most complex shapes
142 // -----------------------------------------------------------------
144 const bool includeSelf = true;
145 const bool complexShapeFirst = true;
147 SMESH_subMeshIteratorPtr smIt = sm->getDependsOnIterator(includeSelf,
149 while ( smIt->more() )
151 SMESH_subMesh* smToCompute = smIt->next();
153 const TopoDS_Shape& aSubShape = smToCompute->GetSubShape();
154 if ( GetShapeDim( aSubShape ) < 1 ) break;
156 SMESH_Algo* algo = GetAlgo( aMesh, aSubShape );
157 if (algo && !algo->NeedDescretBoundary())
159 if (smToCompute->GetComputeState() == SMESH_subMesh::READY_TO_COMPUTE)
160 smToCompute->ComputeStateEngine( SMESH_subMesh::COMPUTE );
162 if (smToCompute->GetComputeState() == SMESH_subMesh::FAILED_TO_COMPUTE)
165 if ((algo && !aMesh.HasShapeToMesh()))
167 if (smToCompute->GetComputeState() == SMESH_subMesh::READY_TO_COMPUTE)
168 smToCompute->ComputeStateEngine( SMESH_subMesh::COMPUTE );
170 if (smToCompute->GetComputeState() == SMESH_subMesh::FAILED_TO_COMPUTE)
175 // -----------------------------------------------
176 // mesh the rest subshapes starting from vertices
177 // -----------------------------------------------
178 smIt = sm->getDependsOnIterator(includeSelf, !complexShapeFirst);
179 while ( smIt->more() )
181 SMESH_subMesh* smToCompute = smIt->next();
183 if (smToCompute->GetComputeState() == SMESH_subMesh::READY_TO_COMPUTE)
184 smToCompute->ComputeStateEngine( SMESH_subMesh::COMPUTE );
186 if (smToCompute->GetComputeState() == SMESH_subMesh::FAILED_TO_COMPUTE)
190 MESSAGE( "VSR - SMESH_Gen::Compute() finished, OK = " << ret);
194 //=======================================================================
195 //function : checkConformIgnoredAlgos
197 //=======================================================================
199 static bool checkConformIgnoredAlgos(SMESH_Mesh& aMesh,
200 SMESH_subMesh* aSubMesh,
201 const SMESH_Algo* aGlobIgnoAlgo,
202 const SMESH_Algo* aLocIgnoAlgo,
204 map<int, SMESH_subMesh*>& aCheckedMap,
205 list< SMESH_Gen::TAlgoStateError > & theErrors)
208 if ( aSubMesh->GetSubShape().ShapeType() == TopAbs_VERTEX)
214 const list<const SMESHDS_Hypothesis*>& listHyp =
215 aMesh.GetMeshDS()->GetHypothesis( aSubMesh->GetSubShape() );
216 list<const SMESHDS_Hypothesis*>::const_iterator it=listHyp.begin();
217 for ( ; it != listHyp.end(); it++)
219 const SMESHDS_Hypothesis * aHyp = *it;
220 if (aHyp->GetType() == SMESHDS_Hypothesis::PARAM_ALGO)
223 const SMESH_Algo* algo = dynamic_cast<const SMESH_Algo*> (aHyp);
226 if ( aLocIgnoAlgo ) // algo is hidden by a local algo of upper dim
228 INFOS( "Local <" << algo->GetName() << "> is hidden by local <"
229 << aLocIgnoAlgo->GetName() << ">");
233 bool isGlobal = (aMesh.IsMainShape( aSubMesh->GetSubShape() ));
234 int dim = algo->GetDim();
235 int aMaxGlobIgnoDim = ( aGlobIgnoAlgo ? aGlobIgnoAlgo->GetDim() : -1 );
237 if ( dim < aMaxGlobIgnoDim )
239 // algo is hidden by a global algo
240 INFOS( ( isGlobal ? "Global" : "Local" )
241 << " <" << algo->GetName() << "> is hidden by global <"
242 << aGlobIgnoAlgo->GetName() << ">");
244 else if ( !algo->NeedDescretBoundary() && !isGlobal)
246 // local algo is not hidden and hides algos on sub-shapes
247 if (checkConform && !aSubMesh->IsConform( algo ))
250 checkConform = false; // no more check conformity
251 INFOS( "ERROR: Local <" << algo->GetName() <<
252 "> would produce not conform mesh: "
253 "<Not Conform Mesh Allowed> hypotesis is missing");
254 theErrors.push_back( SMESH_Gen::TAlgoStateError() );
255 theErrors.back().Set( SMESH_Hypothesis::HYP_NOTCONFORM, algo, false );
258 // sub-algos will be hidden by a local <algo>
259 const map<int, SMESH_subMesh*>& smMap = aSubMesh->DependsOn();
260 map<int, SMESH_subMesh*>::const_reverse_iterator revItSub;
261 bool checkConform2 = false;
262 for ( revItSub = smMap.rbegin(); revItSub != smMap.rend(); revItSub++)
264 checkConformIgnoredAlgos (aMesh, (*revItSub).second, aGlobIgnoAlgo,
265 algo, checkConform2, aCheckedMap, theErrors);
266 int key = (*revItSub).first;
267 SMESH_subMesh* sm = (*revItSub).second;
268 if ( aCheckedMap.find( key ) == aCheckedMap.end() )
270 aCheckedMap[ key ] = sm;
280 //=======================================================================
281 //function : checkMissing
282 //purpose : notify on missing hypothesis
283 // Return false if algo or hipothesis is missing
284 //=======================================================================
286 static bool checkMissing(SMESH_Gen* aGen,
288 SMESH_subMesh* aSubMesh,
289 const int aTopAlgoDim,
291 const bool checkNoAlgo,
292 map<int, SMESH_subMesh*>& aCheckedMap,
293 list< SMESH_Gen::TAlgoStateError > & theErrors)
295 if ( aSubMesh->GetSubShape().ShapeType() == TopAbs_VERTEX)
298 //MESSAGE("=====checkMissing");
301 SMESH_Algo* algo = 0;
303 switch (aSubMesh->GetAlgoState())
305 case SMESH_subMesh::NO_ALGO: {
308 // should there be any algo?
309 int shapeDim = SMESH_Gen::GetShapeDim( aSubMesh->GetSubShape() );
310 if (aTopAlgoDim > shapeDim)
312 INFOS( "ERROR: " << shapeDim << "D algorithm is missing" );
314 theErrors.push_back( SMESH_Gen::TAlgoStateError() );
315 theErrors.back().Set( SMESH_Hypothesis::HYP_MISSING, shapeDim, true );
320 case SMESH_subMesh::MISSING_HYP: {
321 // notify if an algo missing hyp is attached to aSubMesh
322 algo = aGen->GetAlgo( aMesh, aSubMesh->GetSubShape() );
324 bool IsGlobalHypothesis = aGen->IsGlobalHypothesis( algo, aMesh );
325 if (!IsGlobalHypothesis || !globalChecked[ algo->GetDim() ])
327 TAlgoStateErrorName errName = SMESH_Hypothesis::HYP_MISSING;
328 SMESH_Hypothesis::Hypothesis_Status status;
329 algo->CheckHypothesis( aMesh, aSubMesh->GetSubShape(), status );
330 if ( status == SMESH_Hypothesis::HYP_BAD_PARAMETER ) {
331 INFOS( "ERROR: hypothesis of " << (IsGlobalHypothesis ? "Global " : "Local ")
332 << "<" << algo->GetName() << "> has a bad parameter value");
334 } else if ( status == SMESH_Hypothesis::HYP_BAD_GEOMETRY ) {
335 INFOS( "ERROR: " << (IsGlobalHypothesis ? "Global " : "Local ")
336 << "<" << algo->GetName() << "> assigned to mismatching geometry");
339 INFOS( "ERROR: " << (IsGlobalHypothesis ? "Global " : "Local ")
340 << "<" << algo->GetName() << "> misses some hypothesis");
342 if (IsGlobalHypothesis)
343 globalChecked[ algo->GetDim() ] = true;
344 theErrors.push_back( SMESH_Gen::TAlgoStateError() );
345 theErrors.back().Set( errName, algo, IsGlobalHypothesis );
350 case SMESH_subMesh::HYP_OK:
351 algo = aGen->GetAlgo( aMesh, aSubMesh->GetSubShape() );
357 // do not check under algo that hides sub-algos or
358 // re-start checking NO_ALGO state
360 bool isTopLocalAlgo =
361 ( aTopAlgoDim <= algo->GetDim() && !aGen->IsGlobalHypothesis( algo, aMesh ));
362 if (!algo->NeedDescretBoundary() || isTopLocalAlgo)
364 bool checkNoAlgo2 = ( algo->NeedDescretBoundary() );
365 const map<int, SMESH_subMesh*>& subMeshes = aSubMesh->DependsOn();
366 map<int, SMESH_subMesh*>::const_iterator itsub;
367 for (itsub = subMeshes.begin(); itsub != subMeshes.end(); itsub++)
369 // sub-meshes should not be checked further more
370 int key = (*itsub).first;
371 SMESH_subMesh* sm = (*itsub).second;
372 if ( aCheckedMap.find( key ) == aCheckedMap.end() )
373 aCheckedMap[ key ] = sm;
377 //check algo on sub-meshes
378 int aTopAlgoDim2 = algo->GetDim();
379 if (!checkMissing (aGen, aMesh, sm, aTopAlgoDim2,
380 globalChecked, checkNoAlgo2, aCheckedMap, theErrors))
383 if (sm->GetAlgoState() == SMESH_subMesh::NO_ALGO )
384 checkNoAlgo2 = false;
392 //=======================================================================
393 //function : CheckAlgoState
394 //purpose : notify on bad state of attached algos, return false
395 // if Compute() would fail because of some algo bad state
396 //=======================================================================
398 bool SMESH_Gen::CheckAlgoState(SMESH_Mesh& aMesh, const TopoDS_Shape& aShape)
400 list< TAlgoStateError > errors;
401 return GetAlgoState( aMesh, aShape, errors );
404 //=======================================================================
405 //function : GetAlgoState
406 //purpose : notify on bad state of attached algos, return false
407 // if Compute() would fail because of some algo bad state
408 // theErrors list contains problems description
409 //=======================================================================
411 bool SMESH_Gen::GetAlgoState(SMESH_Mesh& theMesh,
412 const TopoDS_Shape& theShape,
413 list< TAlgoStateError > & theErrors)
415 //MESSAGE("SMESH_Gen::CheckAlgoState");
418 bool hasAlgo = false;
420 SMESH_subMesh* sm = theMesh.GetSubMesh(theShape);
421 const SMESHDS_Mesh* meshDS = theMesh.GetMeshDS();
422 TopoDS_Shape mainShape = meshDS->ShapeToMesh();
428 const SMESH_Algo* aGlobAlgoArr[] = {0,0,0,0};
430 const list<const SMESHDS_Hypothesis*>& listHyp = meshDS->GetHypothesis( mainShape );
431 list<const SMESHDS_Hypothesis*>::const_iterator it=listHyp.begin();
432 for ( ; it != listHyp.end(); it++)
434 const SMESHDS_Hypothesis * aHyp = *it;
435 if (aHyp->GetType() == SMESHDS_Hypothesis::PARAM_ALGO)
438 const SMESH_Algo* algo = dynamic_cast<const SMESH_Algo*> (aHyp);
441 int dim = algo->GetDim();
442 aGlobAlgoArr[ dim ] = algo;
447 // --------------------------------------------------------
448 // info on algos that will be ignored because of ones that
449 // don't NeedDescretBoundary() attached to super-shapes,
450 // check that a conform mesh will be produced
451 // --------------------------------------------------------
454 // find a global algo possibly hiding sub-algos
456 const SMESH_Algo* aGlobIgnoAlgo = 0;
457 for (dim = 3; dim > 0; dim--)
459 if (aGlobAlgoArr[ dim ] &&
460 !aGlobAlgoArr[ dim ]->NeedDescretBoundary())
462 aGlobIgnoAlgo = aGlobAlgoArr[ dim ];
467 const map<int, SMESH_subMesh*>& smMap = sm->DependsOn();
468 map<int, SMESH_subMesh*>::const_reverse_iterator revItSub = smMap.rbegin();
469 map<int, SMESH_subMesh*> aCheckedMap;
470 bool checkConform = ( !theMesh.IsNotConformAllowed() );
472 SMESH_subMesh* smToCheck = sm;
474 // loop on theShape and its sub-shapes
477 if ( smToCheck->GetSubShape().ShapeType() == TopAbs_VERTEX)
480 if ( aCheckedMap.find( aKey ) == aCheckedMap.end() )
481 if (!checkConformIgnoredAlgos (theMesh, smToCheck, aGlobIgnoAlgo,
482 0, checkConform, aCheckedMap, theErrors))
485 if ( smToCheck->GetAlgoState() != SMESH_subMesh::NO_ALGO )
489 if (revItSub != smMap.rend())
491 aKey = (*revItSub).first;
492 smToCheck = (*revItSub).second;
502 // ----------------------------------------------------------------
503 // info on missing hypothesis and find out if all needed algos are
505 // ----------------------------------------------------------------
507 //MESSAGE( "---info on missing hypothesis and find out if all needed algos are");
509 // find max dim of global algo
511 for (dim = 3; dim > 0; dim--)
513 if (aGlobAlgoArr[ dim ])
521 revItSub = smMap.rbegin();
522 bool checkNoAlgo = theMesh.HasShapeToMesh() ? bool( aTopAlgoDim ) : false;
523 bool globalChecked[] = { false, false, false, false };
525 // loop on theShape and its sub-shapes
528 if ( smToCheck->GetSubShape().ShapeType() == TopAbs_VERTEX)
531 if ( aCheckedMap.find( aKey ) == aCheckedMap.end() )
532 if (!checkMissing (this, theMesh, smToCheck, aTopAlgoDim,
533 globalChecked, checkNoAlgo, aCheckedMap, theErrors))
536 if (smToCheck->GetAlgoState() == SMESH_subMesh::NO_ALGO )
541 if (revItSub != smMap.rend())
543 aKey = (*revItSub).first;
544 smToCheck = (*revItSub).second;
553 INFOS( "None algorithm attached" );
554 theErrors.push_back( TAlgoStateError() );
555 theErrors.back().Set( SMESH_Hypothesis::HYP_MISSING, 1, true );
561 //=======================================================================
562 //function : IsGlobalHypothesis
563 //purpose : check if theAlgo is attached to the main shape
564 //=======================================================================
566 bool SMESH_Gen::IsGlobalHypothesis(const SMESH_Hypothesis* theHyp, SMESH_Mesh& aMesh)
568 SMESH_HypoFilter filter( SMESH_HypoFilter::Is( theHyp ));
569 return aMesh.GetHypothesis( aMesh.GetMeshDS()->ShapeToMesh(), filter, false );
572 //=============================================================================
576 //=============================================================================
578 SMESH_Algo *SMESH_Gen::GetAlgo(SMESH_Mesh & aMesh, const TopoDS_Shape & aShape)
581 SMESH_HypoFilter filter( SMESH_HypoFilter::IsAlgo() );
582 filter.And( filter.IsApplicableTo( aShape ));
584 list <const SMESHDS_Hypothesis * > algoList;
585 aMesh.GetHypotheses( aShape, filter, algoList, true );
587 if ( algoList.empty() )
590 return const_cast<SMESH_Algo*> ( static_cast<const SMESH_Algo* >( algoList.front() ));
593 //=============================================================================
597 //=============================================================================
599 StudyContextStruct *SMESH_Gen::GetStudyContext(int studyId)
601 // Get studyContext, create it if it does'nt exist, with a SMESHDS_Document
603 if (_mapStudyContext.find(studyId) == _mapStudyContext.end())
605 _mapStudyContext[studyId] = new StudyContextStruct;
606 _mapStudyContext[studyId]->myDocument = new SMESHDS_Document(studyId);
608 StudyContextStruct *myStudyContext = _mapStudyContext[studyId];
609 // ASSERT(_mapStudyContext.find(studyId) != _mapStudyContext.end());
610 return myStudyContext;
613 //=============================================================================
617 //=============================================================================
619 void SMESH_Gen::Save(int studyId, const char *aUrlOfFile)
623 //=============================================================================
627 //=============================================================================
629 void SMESH_Gen::Load(int studyId, const char *aUrlOfFile)
633 //=============================================================================
637 //=============================================================================
639 void SMESH_Gen::Close(int studyId)
643 //=============================================================================
647 //=============================================================================
649 int SMESH_Gen::GetShapeDim(const TopAbs_ShapeEnum & aShapeType)
651 static vector<int> dim;
654 dim.resize( TopAbs_SHAPE, -1 );
655 dim[ TopAbs_COMPOUND ] = 3;
656 dim[ TopAbs_COMPSOLID ] = 3;
657 dim[ TopAbs_SOLID ] = 3;
658 dim[ TopAbs_SHELL ] = 3;
659 dim[ TopAbs_FACE ] = 2;
660 dim[ TopAbs_WIRE ] = 1;
661 dim[ TopAbs_EDGE ] = 1;
662 dim[ TopAbs_VERTEX ] = 0;
664 return dim[ aShapeType ];
667 //=============================================================================
671 //=============================================================================
673 int SMESH_Gen::GetANewId()
675 //MESSAGE("SMESH_Gen::GetANewId");