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Merge with version on tag OCC-V2_1_0d
[modules/smesh.git] / src / SMESH / SMESH_Mesh.cxx
index 6d03700c7ea0d1e6bf190fe378dd2a169c2d2c52..50c79329676349c7da612d027644a3c3ebac9dec 100644 (file)
 
 #include "utilities.h"
 
-#include "Mesh_Writer.h"
 #include "DriverMED_W_SMESHDS_Mesh.h"
-#include "DriverDAT_W_SMESHDS_Mesh.h"
-#include "DriverUNV_W_SMESHDS_Mesh.h"
+#include "DriverDAT_W_SMDS_Mesh.h"
+#include "DriverUNV_W_SMDS_Mesh.h"
+#include "DriverSTL_W_SMDS_Mesh.h"
 
 #include "DriverMED_R_SMESHDS_Mesh.h"
+#include "DriverUNV_R_SMDS_Mesh.h"
+#include "DriverSTL_R_SMDS_Mesh.h"
 
 #include <TCollection_AsciiString.hxx>
 #include <memory>
 #include <TopTools_ListIteratorOfListOfShape.hxx>
 #include "Utils_ExceptHandlers.hxx"
 
+#ifdef _DEBUG_
+static int MYDEBUG = 0;
+#else
+static int MYDEBUG = 0;
+#endif
 
-//=============================================================================
-/*!
- * 
- */
-//=============================================================================
-
-SMESH_Mesh::SMESH_Mesh()
-{
-       MESSAGE("SMESH_Mesh::SMESH_Mesh");
-       _id = -1;
-       ASSERT(0);
-}
 
 //=============================================================================
 /*!
@@ -74,7 +69,7 @@ SMESH_Mesh::SMESH_Mesh()
 SMESH_Mesh::SMESH_Mesh(int localId, int studyId, SMESH_Gen * gen, SMESHDS_Document * myDocument)
 : _groupId( 0 )
 {
-       MESSAGE("SMESH_Mesh::SMESH_Mesh(int localId)");
+  INFOS("SMESH_Mesh::SMESH_Mesh(int localId)");
        _id = localId;
        _studyId = studyId;
        _gen = gen;
@@ -92,7 +87,7 @@ SMESH_Mesh::SMESH_Mesh(int localId, int studyId, SMESH_Gen * gen, SMESHDS_Docume
 
 SMESH_Mesh::~SMESH_Mesh()
 {
-  MESSAGE("SMESH_Mesh::~SMESH_Mesh");
+  INFOS("SMESH_Mesh::~SMESH_Mesh");
 
   // delete groups
   map < int, SMESH_Group * >::iterator itg;
@@ -109,16 +104,41 @@ SMESH_Mesh::~SMESH_Mesh()
 //=============================================================================
 
 void SMESH_Mesh::ShapeToMesh(const TopoDS_Shape & aShape){
-       MESSAGE("SMESH_Mesh::ShapeToMesh");
-       if (_isShapeToMesh)
-               throw
-                       SALOME_Exception(LOCALIZED
-               ("a shape to mesh as already been defined"));
-       _isShapeToMesh = true;
-       _myMeshDS->ShapeToMesh(aShape);
+  if(MYDEBUG) MESSAGE("SMESH_Mesh::ShapeToMesh");
+  if (_isShapeToMesh)
+    throw
+      SALOME_Exception(LOCALIZED
+                      ("a shape to mesh as already been defined"));
+  _isShapeToMesh = true;
+  _myMeshDS->ShapeToMesh(aShape);
+  
+  // NRI : 24/02/03
+  //EAP: 1/9/04 TopExp::MapShapes(aShape, _subShapes); USE the same map of _myMeshDS
+}
 
-       // NRI : 24/02/03
-       TopExp::MapShapes(aShape, _subShapes);
+//=======================================================================
+//function : UNVToMesh
+//purpose  : 
+//=======================================================================
+
+int SMESH_Mesh::UNVToMesh(const char* theFileName)
+{
+  if(MYDEBUG) MESSAGE("UNVToMesh - theFileName = "<<theFileName);
+  if(_isShapeToMesh)
+    throw SALOME_Exception(LOCALIZED("a shape to mesh as already been defined"));
+  _isShapeToMesh = true;
+  DriverUNV_R_SMDS_Mesh myReader;
+  myReader.SetMesh(_myMeshDS);
+  myReader.SetFile(theFileName);
+  myReader.SetMeshId(-1);
+  myReader.Perform();
+  if(MYDEBUG){
+    MESSAGE("MEDToMesh - _myMeshDS->NbNodes() = "<<_myMeshDS->NbNodes());
+    MESSAGE("MEDToMesh - _myMeshDS->NbEdges() = "<<_myMeshDS->NbEdges());
+    MESSAGE("MEDToMesh - _myMeshDS->NbFaces() = "<<_myMeshDS->NbFaces());
+    MESSAGE("MEDToMesh - _myMeshDS->NbVolumes() = "<<_myMeshDS->NbVolumes());
+  }
+  return 1;
 }
 
 //=======================================================================
@@ -128,37 +148,66 @@ void SMESH_Mesh::ShapeToMesh(const TopoDS_Shape & aShape){
 
 int SMESH_Mesh::MEDToMesh(const char* theFileName, const char* theMeshName)
 {
-  MESSAGE("MEDToMesh - theFileName = "<<theFileName<<", mesh name = "<<theMeshName);
+  if(MYDEBUG) MESSAGE("MEDToMesh - theFileName = "<<theFileName<<", mesh name = "<<theMeshName);
   if(_isShapeToMesh)
     throw SALOME_Exception(LOCALIZED("a shape to mesh as already been defined"));
   _isShapeToMesh = true;
-  std::auto_ptr<DriverMED_R_SMESHDS_Mesh> myReader(new DriverMED_R_SMESHDS_Mesh);
-  myReader->SetMesh(_myMeshDS);
-  myReader->SetMeshId(-1);
-  myReader->SetFile(theFileName);
-  myReader->SetMeshName(theMeshName);
-  DriverMED_R_SMESHDS_Mesh::ReadStatus status = myReader->ReadMySelf();
-  MESSAGE("MEDToMesh - _myMeshDS->NbNodes() = "<<_myMeshDS->NbNodes());
-  MESSAGE("MEDToMesh - _myMeshDS->NbEdges() = "<<_myMeshDS->NbEdges());
-  MESSAGE("MEDToMesh - _myMeshDS->NbFaces() = "<<_myMeshDS->NbFaces());
-  MESSAGE("MEDToMesh - _myMeshDS->NbVolumes() = "<<_myMeshDS->NbVolumes());
+  DriverMED_R_SMESHDS_Mesh myReader;
+  myReader.SetMesh(_myMeshDS);
+  myReader.SetMeshId(-1);
+  myReader.SetFile(theFileName);
+  myReader.SetMeshName(theMeshName);
+  Driver_Mesh::Status status = myReader.Perform();
+  if(MYDEBUG){
+    MESSAGE("MEDToMesh - _myMeshDS->NbNodes() = "<<_myMeshDS->NbNodes());
+    MESSAGE("MEDToMesh - _myMeshDS->NbEdges() = "<<_myMeshDS->NbEdges());
+    MESSAGE("MEDToMesh - _myMeshDS->NbFaces() = "<<_myMeshDS->NbFaces());
+    MESSAGE("MEDToMesh - _myMeshDS->NbVolumes() = "<<_myMeshDS->NbVolumes());
+  }
 
   // Reading groups (sub-meshes are out of scope of MED import functionality)
-  list<string> aGroupNames = myReader->GetGroupNames();
-  MESSAGE("MEDToMesh - Nb groups = "<<aGroupNames.size()); 
+  list<string> aGroupNames = myReader.GetGroupNames();
+  if(MYDEBUG) MESSAGE("MEDToMesh - Nb groups = "<<aGroupNames.size()); 
   int anId;
   for ( list<string>::iterator it = aGroupNames.begin(); it != aGroupNames.end(); it++ ) {
     SMESH_Group* aGroup = AddGroup( SMDSAbs_All, it->c_str(), anId );
     if ( aGroup ) {
-      MESSAGE("MEDToMesh - group added: "<<it->c_str());      
-      SMESHDS_Group* aGroupDS = aGroup->GetGroupDS();
-      aGroupDS->SetStoreName( it->c_str() );
-      myReader->GetGroup( aGroupDS );
+      if(MYDEBUG) MESSAGE("MEDToMesh - group added: "<<it->c_str());      
+      SMESHDS_Group* aGroupDS = dynamic_cast<SMESHDS_Group*>( aGroup->GetGroupDS() );
+      if ( aGroupDS ) {
+        aGroupDS->SetStoreName( it->c_str() );
+        myReader.GetGroup( aGroupDS );
+      }
     }
   }
   return (int) status;
 }
 
+//=======================================================================
+//function : STLToMesh
+//purpose  : 
+//=======================================================================
+
+int SMESH_Mesh::STLToMesh(const char* theFileName)
+{
+  if(MYDEBUG) MESSAGE("UNVToMesh - theFileName = "<<theFileName);
+  if(_isShapeToMesh)
+    throw SALOME_Exception(LOCALIZED("a shape to mesh as already been defined"));
+  _isShapeToMesh = true;
+  DriverSTL_R_SMDS_Mesh myReader;
+  myReader.SetMesh(_myMeshDS);
+  myReader.SetFile(theFileName);
+  myReader.SetMeshId(-1);
+  myReader.Perform();
+  if(MYDEBUG){
+    MESSAGE("MEDToMesh - _myMeshDS->NbNodes() = "<<_myMeshDS->NbNodes());
+    MESSAGE("MEDToMesh - _myMeshDS->NbEdges() = "<<_myMeshDS->NbEdges());
+    MESSAGE("MEDToMesh - _myMeshDS->NbFaces() = "<<_myMeshDS->NbFaces());
+    MESSAGE("MEDToMesh - _myMeshDS->NbVolumes() = "<<_myMeshDS->NbVolumes());
+  }
+  return 1;
+}
+
 //=============================================================================
 /*!
  * 
@@ -167,23 +216,45 @@ int SMESH_Mesh::MEDToMesh(const char* theFileName, const char* theMeshName)
 
 SMESH_Hypothesis::Hypothesis_Status
   SMESH_Mesh::AddHypothesis(const TopoDS_Shape & aSubShape,
-                            int anHypId) throw(SALOME_Exception)
+                            int                  anHypId  ) throw(SALOME_Exception)
 {
   Unexpect aCatch(SalomeException);
-  MESSAGE("SMESH_Mesh::AddHypothesis");
+  if(MYDEBUG) MESSAGE("SMESH_Mesh::AddHypothesis");
+
+  SMESH_subMesh *subMesh = GetSubMesh(aSubShape);
+  SMESHDS_SubMesh *subMeshDS = subMesh->GetSubMeshDS();
+  if ( subMeshDS && subMeshDS->IsComplexSubmesh() )
+  {
+    // return the worst but not fatal state of all group memebers
+    SMESH_Hypothesis::Hypothesis_Status aBestRet, aWorstNotFatal, ret;
+    aBestRet = SMESH_Hypothesis::HYP_BAD_DIM;
+    aWorstNotFatal = SMESH_Hypothesis::HYP_OK;
+    for ( TopoDS_Iterator itS ( aSubShape ); itS.More(); itS.Next())
+    {
+      ret = AddHypothesis( itS.Value(), anHypId );
+      if ( !SMESH_Hypothesis::IsStatusFatal( ret ) && ret > aWorstNotFatal )
+        aWorstNotFatal = ret;
+      if ( ret < aBestRet )
+        aBestRet = ret;
+    }
+    if ( SMESH_Hypothesis::IsStatusFatal( aBestRet ))
+      return aBestRet;
+    return aWorstNotFatal;
+  }
 
   StudyContextStruct *sc = _gen->GetStudyContext(_studyId);
   if (sc->mapHypothesis.find(anHypId) == sc->mapHypothesis.end())
   {
-    MESSAGE("Hypothesis ID does not give an hypothesis");
-    SCRUTE(_studyId);
-    SCRUTE(anHypId);
+    if(MYDEBUG) MESSAGE("Hypothesis ID does not give an hypothesis");
+    if(MYDEBUG) {
+      SCRUTE(_studyId);
+      SCRUTE(anHypId);
+    }
     throw SALOME_Exception(LOCALIZED("hypothesis does not exist"));
   }
 
-  SMESH_subMesh *subMesh = GetSubMesh(aSubShape);
   SMESH_Hypothesis *anHyp = sc->mapHypothesis[anHypId];
-  SCRUTE( anHyp->GetName() );
+  if(MYDEBUG) SCRUTE( anHyp->GetName() );
   int event;
 
   bool isGlobalHyp = IsMainShape( aSubShape );
@@ -194,7 +265,7 @@ SMESH_Hypothesis::Hypothesis_Status
     string hypName = anHyp->GetName();
     if ( hypName == "NotConformAllowed" )
     {
-      MESSAGE( "Hypotesis <NotConformAllowed> can be only global" );
+      if(MYDEBUG) MESSAGE( "Hypotesis <NotConformAllowed> can be only global" );
       return SMESH_Hypothesis::HYP_INCOMPATIBLE;
     }
   }
@@ -222,7 +293,7 @@ SMESH_Hypothesis::Hypothesis_Status
   }
 
   subMesh->DumpAlgoState(true);
-  SCRUTE(ret);
+  if(MYDEBUG) SCRUTE(ret);
   return ret;
 }
 
@@ -237,43 +308,63 @@ SMESH_Hypothesis::Hypothesis_Status
                                int anHypId)throw(SALOME_Exception)
 {
   Unexpect aCatch(SalomeException);
-       MESSAGE("SMESH_Mesh::RemoveHypothesis");
-
-       StudyContextStruct *sc = _gen->GetStudyContext(_studyId);
-       if (sc->mapHypothesis.find(anHypId) == sc->mapHypothesis.end())
-               throw SALOME_Exception(LOCALIZED("hypothesis does not exist"));
-
-       SMESH_subMesh *subMesh = GetSubMesh(aSubShape);
-       SMESH_Hypothesis *anHyp = sc->mapHypothesis[anHypId];
-       int hypType = anHyp->GetType();
-       SCRUTE(hypType);
-       int event;
-
-       // shape 
-
-       if (anHyp->GetType() == SMESHDS_Hypothesis::PARAM_ALGO)
-               event = SMESH_subMesh::REMOVE_HYP;
-       else
-               event = SMESH_subMesh::REMOVE_ALGO;
-       SMESH_Hypothesis::Hypothesis_Status ret = subMesh->AlgoStateEngine(event, anHyp);
-
-       // subShapes
-        if (!SMESH_Hypothesis::IsStatusFatal(ret) &&
-            !subMesh->IsApplicableHypotesis( anHyp )) // is removed from father
-       {
-               if (anHyp->GetType() == SMESHDS_Hypothesis::PARAM_ALGO)
-                       event = SMESH_subMesh::REMOVE_FATHER_HYP;
-               else
-                       event = SMESH_subMesh::REMOVE_FATHER_ALGO;
-                SMESH_Hypothesis::Hypothesis_Status ret2 =
-                  subMesh->SubMeshesAlgoStateEngine(event, anHyp);
-                if (ret2 > ret) // more severe
-                  ret = ret2;
-       }
+  if(MYDEBUG) MESSAGE("SMESH_Mesh::RemoveHypothesis");
+  
+  SMESH_subMesh *subMesh = GetSubMesh(aSubShape);
+  SMESHDS_SubMesh *subMeshDS = subMesh->GetSubMeshDS();
+  if ( subMeshDS && subMeshDS->IsComplexSubmesh() )
+  {
+    // return the worst but not fatal state of all group memebers
+    SMESH_Hypothesis::Hypothesis_Status aBestRet, aWorstNotFatal, ret;
+    aBestRet = SMESH_Hypothesis::HYP_BAD_DIM;
+    aWorstNotFatal = SMESH_Hypothesis::HYP_OK;
+    for ( TopoDS_Iterator itS ( aSubShape ); itS.More(); itS.Next())
+    {
+      ret = RemoveHypothesis( itS.Value(), anHypId );
+      if ( !SMESH_Hypothesis::IsStatusFatal( ret ) && ret > aWorstNotFatal )
+        aWorstNotFatal = ret;
+      if ( ret < aBestRet )
+        aBestRet = ret;
+    }
+    if ( SMESH_Hypothesis::IsStatusFatal( aBestRet ))
+      return aBestRet;
+    return aWorstNotFatal;
+  }
 
-       subMesh->DumpAlgoState(true);
-       SCRUTE(ret);
-       return ret;
+  StudyContextStruct *sc = _gen->GetStudyContext(_studyId);
+  if (sc->mapHypothesis.find(anHypId) == sc->mapHypothesis.end())
+    throw SALOME_Exception(LOCALIZED("hypothesis does not exist"));
+  
+  SMESH_Hypothesis *anHyp = sc->mapHypothesis[anHypId];
+  int hypType = anHyp->GetType();
+  if(MYDEBUG) SCRUTE(hypType);
+  int event;
+  
+  // shape 
+  
+  if (anHyp->GetType() == SMESHDS_Hypothesis::PARAM_ALGO)
+    event = SMESH_subMesh::REMOVE_HYP;
+  else
+    event = SMESH_subMesh::REMOVE_ALGO;
+  SMESH_Hypothesis::Hypothesis_Status ret = subMesh->AlgoStateEngine(event, anHyp);
+  
+  // subShapes
+  if (!SMESH_Hypothesis::IsStatusFatal(ret) &&
+      !subMesh->IsApplicableHypotesis( anHyp )) // is removed from father
+    {
+      if (anHyp->GetType() == SMESHDS_Hypothesis::PARAM_ALGO)
+       event = SMESH_subMesh::REMOVE_FATHER_HYP;
+      else
+       event = SMESH_subMesh::REMOVE_FATHER_ALGO;
+      SMESH_Hypothesis::Hypothesis_Status ret2 =
+       subMesh->SubMeshesAlgoStateEngine(event, anHyp);
+      if (ret2 > ret) // more severe
+       ret = ret2;
+    }
+  
+  subMesh->DumpAlgoState(true);
+  if(MYDEBUG) SCRUTE(ret);
+  return ret;
 }
 
 //=============================================================================
@@ -284,7 +375,7 @@ SMESH_Hypothesis::Hypothesis_Status
 
 SMESHDS_Mesh * SMESH_Mesh::GetMeshDS()
 {
-       return _myMeshDS;
+  return _myMeshDS;
 }
 
 //=============================================================================
@@ -294,23 +385,10 @@ SMESHDS_Mesh * SMESH_Mesh::GetMeshDS()
 //=============================================================================
 
 const list<const SMESHDS_Hypothesis*>&
-       SMESH_Mesh::GetHypothesisList(const TopoDS_Shape & aSubShape) const
-       throw(SALOME_Exception)
+SMESH_Mesh::GetHypothesisList(const TopoDS_Shape & aSubShape) const
+  throw(SALOME_Exception)
 {
   Unexpect aCatch(SalomeException);
-//     MESSAGE("SMESH_Mesh::GetHypothesisList");
-//     _subShapeHypothesisList.clear();
-//     const list<const SMESHDS_Hypothesis*>& listHyp =
-//             _myMeshDS->GetHypothesis(aSubShape);
-
-//     list<const SMESHDS_Hypothesis*>::const_iterator it=listHyp.begin();
-//     while (it!=listHyp.end())
-//     {
-//             const SMESHDS_Hypothesis *anHyp = *it;
-//             _subShapeHypothesisList.push_back(anHyp);
-//             it++;
-//     }
-//     return _subShapeHypothesisList;
   return _myMeshDS->GetHypothesis(aSubShape);
 }
 
@@ -323,8 +401,8 @@ const list<const SMESHDS_Hypothesis*>&
 const list<SMESHDS_Command*> & SMESH_Mesh::GetLog() throw(SALOME_Exception)
 {
   Unexpect aCatch(SalomeException);
-       MESSAGE("SMESH_Mesh::GetLog");
-       return _myMeshDS->GetScript()->GetCommands();
+  if(MYDEBUG) MESSAGE("SMESH_Mesh::GetLog");
+  return _myMeshDS->GetScript()->GetCommands();
 }
 
 //=============================================================================
@@ -335,8 +413,8 @@ const list<SMESHDS_Command*> & SMESH_Mesh::GetLog() throw(SALOME_Exception)
 void SMESH_Mesh::ClearLog() throw(SALOME_Exception)
 {
   Unexpect aCatch(SalomeException);
-       MESSAGE("SMESH_Mesh::ClearLog");
-       _myMeshDS->GetScript()->Clear();
+  if(MYDEBUG) MESSAGE("SMESH_Mesh::ClearLog");
+  _myMeshDS->GetScript()->Clear();
 }
 
 //=============================================================================
@@ -347,8 +425,8 @@ void SMESH_Mesh::ClearLog() throw(SALOME_Exception)
 
 int SMESH_Mesh::GetId()
 {
-       MESSAGE("SMESH_Mesh::GetId");
-       return _id;
+  if(MYDEBUG) MESSAGE("SMESH_Mesh::GetId");
+  return _id;
 }
 
 //=============================================================================
@@ -359,7 +437,7 @@ int SMESH_Mesh::GetId()
 
 SMESH_Gen *SMESH_Mesh::GetGen()
 {
-       return _gen;
+  return _gen;
 }
 
 //=============================================================================
@@ -372,38 +450,26 @@ SMESH_subMesh *SMESH_Mesh::GetSubMesh(const TopoDS_Shape & aSubShape)
 throw(SALOME_Exception)
 {
   Unexpect aCatch(SalomeException);
-       //MESSAGE("SMESH_Mesh::GetSubMesh");
-       SMESH_subMesh *aSubMesh;
-       int index = _subShapes.FindIndex(aSubShape);
-
-       if (_mapSubMesh.find(index) != _mapSubMesh.end())
-       {
-               aSubMesh = _mapSubMesh[index];
-       }
-       else
-       {
-               aSubMesh = new SMESH_subMesh(index, this, _myMeshDS, aSubShape);
-               _mapSubMesh[index] = aSubMesh;
-       }
+  SMESH_subMesh *aSubMesh;
+  int index = _myMeshDS->ShapeToIndex(aSubShape);
+  
+  // for submeshes on GEOM Group
+  if ( !index && aSubShape.ShapeType() == TopAbs_COMPOUND ) {
+    TopoDS_Iterator it( aSubShape );
+    if ( it.More() )
+      index = _myMeshDS->AddCompoundSubmesh( aSubShape, it.Value().ShapeType() );
+  }
 
-       /* NRI 24/02/2003
-        * int index = -1;
-        * if (_subShapes.Contains(aSubShape))
-        * {
-        * index = _subShapes.FindIndex(aSubShape);
-        * ASSERT(_mapSubMesh.find(index) != _mapSubMesh.end());
-        * aSubMesh = _mapSubMesh[index];
-        * //MESSAGE("found submesh " << index);
-        * }
-        * else
-        * {
-        * index = _subShapes.Add(aSubShape);
-        * aSubMesh = new SMESH_subMesh(index, this, _myMeshDS, aSubShape);
-        * _mapSubMesh[index] = aSubMesh;
-        * //MESSAGE("created submesh " << index);
-        * }
-        */
-       return aSubMesh;
+  if (_mapSubMesh.find(index) != _mapSubMesh.end())
+    {
+      aSubMesh = _mapSubMesh[index];
+    }
+  else
+    {
+      aSubMesh = new SMESH_subMesh(index, this, _myMeshDS, aSubShape);
+      _mapSubMesh[index] = aSubMesh;
+    }
+  return aSubMesh;
 }
 
 //=============================================================================
@@ -412,54 +478,23 @@ throw(SALOME_Exception)
  * if it does not exist.
  */
 //=============================================================================
-//
-//  * Given a subShape, find if there is a subMesh associated to this subShape
-//  * or to a collection of shapes containing this subShape. Collection =
-//  * compsolid, shell, wire.
-//  *
-//  * WARNING : with arg = compsolid, shell or wire returns always NULL.
-//  * with a face inside a shell, and submesh created for both, if arg is face,
-//  * returns first created submesh of the two. 
-//  * subMesh is not created, return may be NULL.
 
 SMESH_subMesh *SMESH_Mesh::GetSubMeshContaining(const TopoDS_Shape & aSubShape)
 throw(SALOME_Exception)
 {
   Unexpect aCatch(SalomeException);
-       //MESSAGE("SMESH_Mesh::GetSubMeshContaining");
-       bool isFound = false;
-       SMESH_subMesh *aSubMesh = NULL;
-
-       int index = _subShapes.FindIndex(aSubShape);
-       if (_mapSubMesh.find(index) != _mapSubMesh.end())
-       {
-               aSubMesh = _mapSubMesh[index];
-               isFound = true;
-       }
-
-       /* NRI 24/02/2003
-        * int index = -1;
-        * if (_subShapes.Contains(aSubShape))
-        * {
-        * index = _subShapes.FindIndex(aSubShape);
-        * ASSERT(_mapSubMesh.find(index) != _mapSubMesh.end());
-        * aSubMesh = _mapSubMesh[index];
-        * isFound = true;
-        * //MESSAGE("found submesh " << index);
-        * }
-        */
-
-//   map<int, SMESH_subMesh*>::iterator itsm;
-//   for (itsm = _mapSubMesh.begin(); itsm != _mapSubMesh.end(); itsm++)
-//     {
-//       aSubMesh = (*itsm).second;
-//       isFound = aSubMesh->Contains(aSubShape);
-//       if (isFound) break;
-//     }
-
-       if (!isFound)
-               aSubMesh = NULL;
-       return aSubMesh;
+  bool isFound = false;
+  SMESH_subMesh *aSubMesh = NULL;
+  
+  int index = _myMeshDS->ShapeToIndex(aSubShape);
+  if (_mapSubMesh.find(index) != _mapSubMesh.end())
+    {
+      aSubMesh = _mapSubMesh[index];
+      isFound = true;
+    }
+  if (!isFound)
+    aSubMesh = NULL;
+  return aSubMesh;
 }
 
 //=======================================================================
@@ -470,8 +505,6 @@ throw(SALOME_Exception)
 bool SMESH_Mesh::IsUsedHypothesis(SMESHDS_Hypothesis * anHyp,
                                   const TopoDS_Shape & aSubShape)
 {
-  //MESSAGE( "SMESH_Mesh::IsUsedHypothesis" );
-
   // check if anHyp is applicable to aSubShape
   SMESH_subMesh * subMesh = GetSubMeshContaining( aSubShape );
   if (!subMesh ||
@@ -535,7 +568,7 @@ const list < SMESH_subMesh * >&
 throw(SALOME_Exception)
 {
   Unexpect aCatch(SalomeException);
-       MESSAGE("SMESH_Mesh::GetSubMeshUsingHypothesis");
+       if(MYDEBUG) MESSAGE("SMESH_Mesh::GetSubMeshUsingHypothesis");
        map < int, SMESH_subMesh * >::iterator itsm;
        _subMeshesUsingHypothesisList.clear();
        for (itsm = _mapSubMesh.begin(); itsm != _mapSubMesh.end(); itsm++)
@@ -556,51 +589,64 @@ throw(SALOME_Exception)
 void SMESH_Mesh::ExportMED(const char *file, const char* theMeshName, bool theAutoGroups) throw(SALOME_Exception)
 {
   Unexpect aCatch(SalomeException);
-  std::auto_ptr<DriverMED_W_SMESHDS_Mesh> myWriter(new DriverMED_W_SMESHDS_Mesh);
-  myWriter  ->SetFile    ( file        );
-  myWriter  ->SetMesh    ( _myMeshDS   );
+  DriverMED_W_SMESHDS_Mesh myWriter;
+  myWriter.SetFile    ( file        );
+  myWriter.SetMesh    ( _myMeshDS   );
   if ( !theMeshName ) 
-    myWriter->SetMeshId  ( _idDoc      );
+    myWriter.SetMeshId  ( _idDoc      );
   else {
-    myWriter->SetMeshId  ( -1          );
-    myWriter->SetMeshName( theMeshName );
+    myWriter.SetMeshId  ( -1          );
+    myWriter.SetMeshName( theMeshName );
   }
 
   if ( theAutoGroups ) {
-    myWriter->AddGroupOfNodes();
-    myWriter->AddGroupOfEdges();
-    myWriter->AddGroupOfFaces();
-    myWriter->AddGroupOfVolumes();
+    myWriter.AddGroupOfNodes();
+    myWriter.AddGroupOfEdges();
+    myWriter.AddGroupOfFaces();
+    myWriter.AddGroupOfVolumes();
   }
 
   for ( map<int, SMESH_Group*>::iterator it = _mapGroup.begin(); it != _mapGroup.end(); it++ ) {
-    SMESH_Group*     aGroup = it->second;
-    SMESHDS_Group* aGroupDS = aGroup->GetGroupDS();
-    aGroupDS->SetStoreName( aGroup->GetName() );
-    myWriter->AddGroup( aGroupDS );
+    SMESH_Group*       aGroup   = it->second;
+    SMESHDS_GroupBase* aGroupDS = aGroup->GetGroupDS();
+    if ( aGroupDS ) {
+      aGroupDS->SetStoreName( aGroup->GetName() );
+      myWriter.AddGroup( aGroupDS );
+    }
   }
 
-  myWriter->Add();
+  myWriter.Perform();
 }
 
 void SMESH_Mesh::ExportDAT(const char *file) throw(SALOME_Exception)
 {
   Unexpect aCatch(SalomeException);
-       Mesh_Writer *myWriter = new DriverDAT_W_SMESHDS_Mesh;
-       myWriter->SetFile(string(file));
-       myWriter->SetMesh(_myMeshDS);
-       myWriter->SetMeshId(_idDoc);
-       myWriter->Add();
+  DriverDAT_W_SMDS_Mesh myWriter;
+  myWriter.SetFile(string(file));
+  myWriter.SetMesh(_myMeshDS);
+  myWriter.SetMeshId(_idDoc);
+  myWriter.Perform();
 }
 
 void SMESH_Mesh::ExportUNV(const char *file) throw(SALOME_Exception)
 {
   Unexpect aCatch(SalomeException);
-       Mesh_Writer *myWriter = new DriverUNV_W_SMESHDS_Mesh;
-       myWriter->SetFile(string(file));
-       myWriter->SetMesh(_myMeshDS);
-       myWriter->SetMeshId(_idDoc);
-       myWriter->Add();
+  DriverUNV_W_SMDS_Mesh myWriter;
+  myWriter.SetFile(string(file));
+  myWriter.SetMesh(_myMeshDS);
+  myWriter.SetMeshId(_idDoc);
+  myWriter.Perform();
+}
+
+void SMESH_Mesh::ExportSTL(const char *file, const bool isascii) throw(SALOME_Exception)
+{
+  Unexpect aCatch(SalomeException);
+  DriverSTL_W_SMDS_Mesh myWriter;
+  myWriter.SetFile(string(file));
+  myWriter.SetIsAscii( isascii );
+  myWriter.SetMesh(_myMeshDS);
+  myWriter.SetMeshId(_idDoc);
+  myWriter.Perform();
 }
 
 //=============================================================================
@@ -611,7 +657,7 @@ void SMESH_Mesh::ExportUNV(const char *file) throw(SALOME_Exception)
 int SMESH_Mesh::NbNodes() throw(SALOME_Exception)
 {
   Unexpect aCatch(SalomeException);
-       return _myMeshDS->NbNodes();
+  return _myMeshDS->NbNodes();
 }
 
 //=============================================================================
@@ -622,7 +668,7 @@ int SMESH_Mesh::NbNodes() throw(SALOME_Exception)
 int SMESH_Mesh::NbEdges() throw(SALOME_Exception)
 {
   Unexpect aCatch(SalomeException);
-       return _myMeshDS->NbEdges();
+  return _myMeshDS->NbEdges();
 }
 
 //=============================================================================
@@ -633,7 +679,7 @@ int SMESH_Mesh::NbEdges() throw(SALOME_Exception)
 int SMESH_Mesh::NbFaces() throw(SALOME_Exception)
 {
   Unexpect aCatch(SalomeException);
-       return _myMeshDS->NbFaces();
+  return _myMeshDS->NbFaces();
 }
 
 ///////////////////////////////////////////////////////////////////////////////
@@ -642,11 +688,11 @@ int SMESH_Mesh::NbFaces() throw(SALOME_Exception)
 int SMESH_Mesh::NbTriangles() throw(SALOME_Exception)
 {
   Unexpect aCatch(SalomeException);
-       int Nb = 0;
-
-       SMDS_FaceIteratorPtr itFaces=_myMeshDS->facesIterator();
-       while(itFaces->more()) if(itFaces->next()->NbNodes()==3) Nb++;
-       return Nb;
+  int Nb = 0;
+  
+  SMDS_FaceIteratorPtr itFaces=_myMeshDS->facesIterator();
+  while(itFaces->more()) if(itFaces->next()->NbNodes()==3) Nb++;
+  return Nb;
 }
 
 ///////////////////////////////////////////////////////////////////////////////
@@ -655,11 +701,11 @@ int SMESH_Mesh::NbTriangles() throw(SALOME_Exception)
 int SMESH_Mesh::NbQuadrangles() throw(SALOME_Exception)
 {
   Unexpect aCatch(SalomeException);
-       int Nb = 0;
-
-       SMDS_FaceIteratorPtr itFaces=_myMeshDS->facesIterator();
-       while(itFaces->more()) if(itFaces->next()->NbNodes()==4) Nb++;
-       return Nb;
+  int Nb = 0;
+  
+  SMDS_FaceIteratorPtr itFaces=_myMeshDS->facesIterator();
+  while(itFaces->more()) if(itFaces->next()->NbNodes()==4) Nb++;
+  return Nb;
 }
 
 //=============================================================================
@@ -670,43 +716,43 @@ int SMESH_Mesh::NbQuadrangles() throw(SALOME_Exception)
 int SMESH_Mesh::NbVolumes() throw(SALOME_Exception)
 {
   Unexpect aCatch(SalomeException);
-       return _myMeshDS->NbVolumes();
+  return _myMeshDS->NbVolumes();
 }
 
 int SMESH_Mesh::NbTetras() throw(SALOME_Exception)
 {
   Unexpect aCatch(SalomeException);
-       int Nb = 0;
-       SMDS_VolumeIteratorPtr itVolumes=_myMeshDS->volumesIterator();
-       while(itVolumes->more()) if(itVolumes->next()->NbNodes()==4) Nb++;
-       return Nb;
+  int Nb = 0;
+  SMDS_VolumeIteratorPtr itVolumes=_myMeshDS->volumesIterator();
+  while(itVolumes->more()) if(itVolumes->next()->NbNodes()==4) Nb++;
+  return Nb;
 }
 
 int SMESH_Mesh::NbHexas() throw(SALOME_Exception)
 {
   Unexpect aCatch(SalomeException);
-       int Nb = 0;
-       SMDS_VolumeIteratorPtr itVolumes=_myMeshDS->volumesIterator();
-       while(itVolumes->more()) if(itVolumes->next()->NbNodes()==8) Nb++;
-       return Nb;
+  int Nb = 0;
+  SMDS_VolumeIteratorPtr itVolumes=_myMeshDS->volumesIterator();
+  while(itVolumes->more()) if(itVolumes->next()->NbNodes()==8) Nb++;
+  return Nb;
 }
 
 int SMESH_Mesh::NbPyramids() throw(SALOME_Exception)
 {
   Unexpect aCatch(SalomeException);
-       int Nb = 0;
-       SMDS_VolumeIteratorPtr itVolumes=_myMeshDS->volumesIterator();
-       while(itVolumes->more()) if(itVolumes->next()->NbNodes()==5) Nb++;
-       return Nb;
+  int Nb = 0;
+  SMDS_VolumeIteratorPtr itVolumes=_myMeshDS->volumesIterator();
+  while(itVolumes->more()) if(itVolumes->next()->NbNodes()==5) Nb++;
+  return Nb;
 }
 
 int SMESH_Mesh::NbPrisms() throw(SALOME_Exception)
 {
   Unexpect aCatch(SalomeException);
-       int Nb = 0;
-       SMDS_VolumeIteratorPtr itVolumes=_myMeshDS->volumesIterator();
-       while(itVolumes->more()) if(itVolumes->next()->NbNodes()==6) Nb++;
-       return Nb;
+  int Nb = 0;
+  SMDS_VolumeIteratorPtr itVolumes=_myMeshDS->volumesIterator();
+  while(itVolumes->more()) if(itVolumes->next()->NbNodes()==6) Nb++;
+  return Nb;
 }
 
 //=============================================================================
@@ -717,7 +763,7 @@ int SMESH_Mesh::NbPrisms() throw(SALOME_Exception)
 int SMESH_Mesh::NbSubMesh() throw(SALOME_Exception)
 {
   Unexpect aCatch(SalomeException);
-       return _myMeshDS->NbSubMesh();
+  return _myMeshDS->NbSubMesh();
 }
 
 //=======================================================================
@@ -727,7 +773,7 @@ int SMESH_Mesh::NbSubMesh() throw(SALOME_Exception)
 
 bool SMESH_Mesh::IsNotConformAllowed() const
 {
-  MESSAGE("SMESH_Mesh::IsNotConformAllowed");
+  if(MYDEBUG) MESSAGE("SMESH_Mesh::IsNotConformAllowed");
 
   const list<const SMESHDS_Hypothesis*>& listHyp =
     _myMeshDS->GetHypothesis( _myMeshDS->ShapeToMesh() );
@@ -761,12 +807,14 @@ bool SMESH_Mesh::IsMainShape(const TopoDS_Shape& theShape) const
 
 SMESH_Group* SMESH_Mesh::AddGroup (const SMDSAbs_ElementType theType,
                                    const char*               theName,
-                                  int&                      theId)
+                                  int&                      theId,
+                                   const TopoDS_Shape&       theShape)
 {
   if (_mapGroup.find(_groupId) != _mapGroup.end())
     return NULL;
-  SMESH_Group* aGroup = new SMESH_Group (this, theType, theName);
   theId = _groupId;
+  SMESH_Group* aGroup = new SMESH_Group (theId, this, theType, theName, theShape);
+  GetMeshDS()->AddGroup( aGroup->GetGroupDS() );
   _mapGroup[_groupId++] = aGroup;
   return aGroup;
 }
@@ -811,8 +859,9 @@ void SMESH_Mesh::RemoveGroup (const int theGroupID)
 {
   if (_mapGroup.find(theGroupID) == _mapGroup.end())
     return;
-  delete _mapGroup[theGroupID];
+  GetMeshDS()->RemoveGroup( _mapGroup[theGroupID]->GetGroupDS() );
   _mapGroup.erase (theGroupID);
+  delete _mapGroup[theGroupID];
 }
 
 //=======================================================================