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.opencascade.org/SALOME/ or email : webmaster.salome@opencascade.org
24 // File : SMESH_Gen.cxx
25 // Author : Paul RASCLE, EDF
29 #include "SMESH_Gen.hxx"
30 #include "SMESH_subMesh.hxx"
31 #include "SMDS_MeshElement.hxx"
32 #include "SMDS_MeshNode.hxx"
33 #include "SMESHDriver.h"
36 #include <BRep_Tool.hxx>
38 #include "utilities.h"
41 //=============================================================================
43 * default constructor:
45 //=============================================================================
47 SMESH_Gen::SMESH_Gen()
49 MESSAGE("SMESH_Gen::SMESH_Gen");
51 _hypothesisFactory.SetGen(this);
54 //=============================================================================
58 //=============================================================================
60 SMESH_Gen::~SMESH_Gen()
62 MESSAGE("SMESH_Gen::~SMESH_Gen");
65 //=============================================================================
69 //=============================================================================
71 SMESH_Hypothesis *SMESH_Gen::CreateHypothesis(const char *anHyp, int studyId)
72 throw(SALOME_Exception)
75 MESSAGE("CreateHypothesis("<<anHyp<<","<<studyId<<")");
76 // Get studyContext, create it if it does'nt exist, with a SMESHDS_Document
78 StudyContextStruct *myStudyContext = GetStudyContext(studyId);
80 // create a new hypothesis object, store its ref. in studyContext
82 SMESH_Hypothesis *myHypothesis = _hypothesisFactory.Create(anHyp, studyId);
83 int hypId = myHypothesis->GetID();
84 myStudyContext->mapHypothesis[hypId] = myHypothesis;
88 // store hypothesis in SMESHDS document
90 myStudyContext->myDocument->AddHypothesis(myHypothesis);
94 //=============================================================================
98 //=============================================================================
100 SMESH_Mesh *SMESH_Gen::Init(int studyId, const TopoDS_Shape & aShape)
101 throw(SALOME_Exception)
103 MESSAGE("SMESH_Gen::Init");
104 // if (aShape.ShapeType() == TopAbs_COMPOUND)
106 // INFOS("Mesh Compound not yet implemented!");
107 // throw(SALOME_Exception(LOCALIZED("Mesh Compound not yet implemented!")));
110 // Get studyContext, create it if it does'nt exist, with a SMESHDS_Document
112 StudyContextStruct *myStudyContext = GetStudyContext(studyId);
114 // create a new SMESH_mesh object
116 SMESH_Mesh *mesh = new SMESH_Mesh(_localId++,
119 myStudyContext->myDocument);
120 myStudyContext->mapMesh[_localId] = mesh;
122 // associate a TopoDS_Shape to the mesh
124 mesh->ShapeToMesh(aShape);
128 //=============================================================================
130 * @TODO Doing a full update after computation is not optimal when doing a local
133 //=============================================================================
135 bool SMESH_Gen::Compute(SMESH_Mesh & aMesh, const TopoDS_Shape & aShape)
136 throw(SALOME_Exception)
138 MESSAGE("SMESH_Gen::Compute");
139 // bool isDone = false;
141 Algo : s'appuie ou non sur une geometrie
143 Vertex : rien �faire (range le point)
144 Edge, Wire, collection d'edge et wire : 1D
145 Face, Shell, collection de Face et Shells : 2D
146 Solid, Collection de Solid : 3D
148 // *** corriger commentaires
149 // check hypothesis associated to the mesh :
150 // - only one algo : type compatible with the type of the shape
151 // - hypothesis = compatible with algo
152 // - check if hypothesis are applicable to this algo
153 // - check contradictions within hypothesis
154 // (test if enough hypothesis is done further)
158 SMESH_subMesh *sm = aMesh.GetSubMesh(aShape);
160 SMESH_subMesh *smToCompute = sm->GetFirstToCompute();
163 TopoDS_Shape subShape = smToCompute->GetSubShape();
164 int dim = GetShapeDim(subShape);
168 bool ret1 = smToCompute->ComputeStateEngine(SMESH_subMesh::COMPUTE);
174 ASSERT(smToCompute->_vertexSet == false);
175 TopoDS_Vertex V1 = TopoDS::Vertex(subShape);
176 gp_Pnt P1 = BRep_Tool::Pnt(V1);
177 SMESHDS_Mesh * meshDS = aMesh.GetMeshDS();
178 //MESSAGE("point "<<nodeId<<" "<<P1.X()<<" "<<P1.Y()<<" "<<P1.Z());
179 SMDS_MeshNode * node = meshDS->AddNode(P1.X(), P1.Y(), P1.Z());
180 meshDS->SetNodeOnVertex(node, V1);
181 smToCompute->GetSubMeshDS();
182 smToCompute->_vertexSet = true;
183 smToCompute->ComputeStateEngine(SMESH_subMesh::COMPUTE);
185 smToCompute = sm->GetFirstToCompute();
188 aMesh.GetMeshDS()->logFullUpdate();
193 //=============================================================================
197 //=============================================================================
199 SMESH_Algo *SMESH_Gen::GetAlgo(SMESH_Mesh & aMesh, const TopoDS_Shape & aShape)
201 //MESSAGE("SMESH_Gen::GetAlgo");
203 const SMESHDS_Hypothesis *theHyp = NULL;
204 SMESH_Algo *algo = NULL;
205 const SMESHDS_Mesh * meshDS = aMesh.GetMeshDS();
210 // try shape first, then main shape
212 TopoDS_Shape mainShape = meshDS->ShapeToMesh();
213 const TopoDS_Shape *shapeToTry[2] = { &aShape, &mainShape };
215 for (int iShape = 0; iShape < 2; iShape++)
217 TopoDS_Shape tryShape = (*shapeToTry[iShape]);
219 const list<const SMESHDS_Hypothesis*>& listHyp =
220 meshDS->GetHypothesis(tryShape);
221 list<const SMESHDS_Hypothesis*>::const_iterator it=listHyp.begin();
224 int shapeDim = GetShapeDim(aShape);
225 int typeOfShape = aShape.ShapeType();
227 while (it!=listHyp.end())
229 const SMESHDS_Hypothesis *anHyp = *it;
230 hypType = anHyp->GetType();
232 if (hypType > SMESHDS_Hypothesis::PARAM_ALGO)
236 case SMESHDS_Hypothesis::ALGO_1D:
239 case SMESHDS_Hypothesis::ALGO_2D:
242 case SMESHDS_Hypothesis::ALGO_3D:
251 //SCRUTE(typeOfShape);
252 if (shapeDim == algoDim) // count only algos of shape dim.
253 { // discard algos for subshapes
254 hypId = anHyp->GetID(); // (of lower dim.)
255 ASSERT(_mapAlgo.find(hypId) != _mapAlgo.end());
256 SMESH_Algo *anAlgo = _mapAlgo[hypId];
257 //SCRUTE(anAlgo->GetShapeType());
258 //if (anAlgo->GetShapeType() == typeOfShape)
259 if ((anAlgo->GetShapeType()) & (1 << typeOfShape))
260 { // only specific TopoDS_Shape
266 if (nb_algo > 1) return NULL; // more than one algo
269 if (nb_algo == 1) // one algo found : OK
270 break; // do not try a parent shape
274 return NULL; // no algo found
276 hypType = theHyp->GetType();
277 hypId = theHyp->GetID();
279 ASSERT(_mapAlgo.find(hypId) != _mapAlgo.end());
280 algo = _mapAlgo[hypId];
281 //MESSAGE("Algo found " << algo->GetName() << " Id " << hypId);
285 //=============================================================================
289 //=============================================================================
291 StudyContextStruct *SMESH_Gen::GetStudyContext(int studyId)
293 // Get studyContext, create it if it does'nt exist, with a SMESHDS_Document
295 if (_mapStudyContext.find(studyId) == _mapStudyContext.end())
297 _mapStudyContext[studyId] = new StudyContextStruct;
298 _mapStudyContext[studyId]->myDocument = new SMESHDS_Document(studyId);
300 StudyContextStruct *myStudyContext = _mapStudyContext[studyId];
301 // ASSERT(_mapStudyContext.find(studyId) != _mapStudyContext.end());
302 return myStudyContext;
305 //=============================================================================
309 //=============================================================================
311 void SMESH_Gen::Save(int studyId, const char *aUrlOfFile)
315 //=============================================================================
319 //=============================================================================
321 void SMESH_Gen::Load(int studyId, const char *aUrlOfFile)
325 //=============================================================================
329 //=============================================================================
331 void SMESH_Gen::Close(int studyId)
335 //=============================================================================
339 //=============================================================================
341 const char *SMESH_Gen::ComponentDataType()
345 //=============================================================================
349 //=============================================================================
351 const char *SMESH_Gen::IORToLocalPersistentID(const char *IORString,
356 //=============================================================================
360 //=============================================================================
362 const char *SMESH_Gen::LocalPersistentIDToIOR(const char *aLocalPersistentID)
366 //=============================================================================
370 //=============================================================================
372 int SMESH_Gen::GetShapeDim(const TopoDS_Shape & aShape)
374 int shapeDim = -1; // Shape dimension: 0D, 1D, 2D, 3D
375 int type = aShape.ShapeType();
378 // case TopAbs_COMPOUND:
382 case TopAbs_COMPOUND:
383 case TopAbs_COMPSOLID:
390 // case TopAbs_SHELL:
413 * Import a mesh from a file
414 * @param fileName file name to be imported
415 * @param fileType Currently it could be either "DAT", "UNV" or "MED".
418 SMESH_Mesh * SMESH_Gen::Import(int studyId, const char * fileName,
419 const char * fileType)
421 MESSAGE("SMESH_Gen::Import("<<studyId<<","<<fileName<<","<<fileType<<")");
423 // Get studyContext, create it if it does'nt exist, with a SMESHDS_Document
424 StudyContextStruct *myStudyContext = GetStudyContext(studyId);
426 // will be used with document
427 /*Document_Reader * reader = SMESHDriver::GetDocumentReader(string(fileType));
428 reader->SetDocument(myStudyContext->myDocument);
429 reader->SetFile(string(fileName));
431 // currently we only read one mesh from a file (limitation on MED files).
433 // create a new SMESH_mesh object
434 SMESH_Mesh *mesh = new SMESH_Mesh(_localId++, studyId, this,
435 myStudyContext->myDocument);
436 myStudyContext->mapMesh[_localId] = mesh;
438 Mesh_Reader * reader = SMESHDriver::GetMeshReader(string(fileType));
439 reader->SetMesh(mesh->GetMeshDS());
440 reader->SetFile(string(fileName));
443 mesh->GetMeshDS()->logFullUpdate();