diff --git a/idl/SMESH_Gen.idl b/idl/SMESH_Gen.idl
index a928552f7..39b13c582 100644
--- a/idl/SMESH_Gen.idl
+++ b/idl/SMESH_Gen.idl
@@ -164,6 +164,12 @@ module SMESH
                                                    in boolean           byMesh)
       raises ( SALOME::SALOME_Exception );
 
+    /*!
+     * Sets number of segments per diagonal of boundary box of geometry by which
+     * default segment length of appropriate 1D hypotheses is defined
+     */
+    void SetBoundaryBoxSegmentation( in long theNbSegments );
+
     /*!
      * Set the object name
      */
diff --git a/src/SMESH/SMESH_Gen.cxx b/src/SMESH/SMESH_Gen.cxx
index 009bb1510..d65842adb 100644
--- a/src/SMESH/SMESH_Gen.cxx
+++ b/src/SMESH/SMESH_Gen.cxx
@@ -55,6 +55,7 @@ SMESH_Gen::SMESH_Gen()
 	MESSAGE("SMESH_Gen::SMESH_Gen");
 	_localId = 0;
 	_hypId = 0;
+        _segmentation = 10;
 }
 
 //=============================================================================
@@ -703,35 +704,35 @@ StudyContextStruct *SMESH_Gen::GetStudyContext(int studyId)
 	return myStudyContext;
 }
 
-//=============================================================================
-/*!
- *
- */
-//=============================================================================
+// //=============================================================================
+// /*!
+//  *
+//  */
+// //=============================================================================
 
-void SMESH_Gen::Save(int studyId, const char *aUrlOfFile)
-{
-}
+// void SMESH_Gen::Save(int studyId, const char *aUrlOfFile)
+// {
+// }
 
-//=============================================================================
-/*!
- *
- */
-//=============================================================================
+// //=============================================================================
+// /*!
+//  *
+//  */
+// //=============================================================================
 
-void SMESH_Gen::Load(int studyId, const char *aUrlOfFile)
-{
-}
+// void SMESH_Gen::Load(int studyId, const char *aUrlOfFile)
+// {
+// }
 
-//=============================================================================
-/*!
- *
- */
-//=============================================================================
+// //=============================================================================
+// /*!
+//  *
+//  */
+// //=============================================================================
 
-void SMESH_Gen::Close(int studyId)
-{
-}
+// void SMESH_Gen::Close(int studyId)
+// {
+// }
 
 //=============================================================================
 /*!
diff --git a/src/SMESH/SMESH_Gen.hxx b/src/SMESH/SMESH_Gen.hxx
index a6a04436a..33e0c06e8 100644
--- a/src/SMESH/SMESH_Gen.hxx
+++ b/src/SMESH/SMESH_Gen.hxx
@@ -86,6 +86,12 @@ class SMESH_EXPORT  SMESH_Gen
   // notify on bad state of attached algos, return false
   // if Compute() would fail because of some algo bad state
 
+  /*!
+   * \brief Sets number of segments per diagonal of boundary box of geometry by which
+   *        default segment length of appropriate 1D hypotheses is defined
+   */
+  void SetBoundaryBoxSegmentation( int theNbSegments ) { _segmentation = theNbSegments; }
+  int  GetBoundaryBoxSegmentation() const { return _segmentation; }
   
   struct TAlgoStateError
   {
@@ -117,13 +123,13 @@ class SMESH_EXPORT  SMESH_Gen
 
   // inherited methods from SALOMEDS::Driver
 
-  void Save(int studyId, const char *aUrlOfFile);
-  void Load(int studyId, const char *aUrlOfFile);
-  void Close(int studyId);
-  const char *ComponentDataType();
+//   void Save(int studyId, const char *aUrlOfFile);
+//   void Load(int studyId, const char *aUrlOfFile);
+//   void Close(int studyId);
+//   const char *ComponentDataType();
 
-  const char *IORToLocalPersistentID(const char *IORString, bool & IsAFile);
-  const char *LocalPersistentIDToIOR(const char *aLocalPersistentID);
+//   const char *IORToLocalPersistentID(const char *IORString, bool & IsAFile);
+//   const char *LocalPersistentIDToIOR(const char *aLocalPersistentID);
 
   int GetANewId();
 
@@ -140,6 +146,10 @@ class SMESH_EXPORT  SMESH_Gen
 
   // hypotheses managing
   int _hypId;
+
+  // number of segments per diagonal of boundary box of geometry by which
+  // default segment length of appropriate 1D hypotheses is defined
+  int _segmentation;
 };
 
 #endif
diff --git a/src/SMESH_I/SMESH_Gen_i.cxx b/src/SMESH_I/SMESH_Gen_i.cxx
index c0e26f6d7..893f7c548 100644
--- a/src/SMESH_I/SMESH_Gen_i.cxx
+++ b/src/SMESH_I/SMESH_Gen_i.cxx
@@ -461,7 +461,6 @@ SMESH::SMESH_Mesh_ptr SMESH_Gen_i::createMesh()
     SMESH_Mesh_i* meshServant = new SMESH_Mesh_i( GetPOA(), this, GetCurrentStudyID() );
     // create a new mesh object
     meshServant->SetImpl( myGen.CreateMesh( GetCurrentStudyID(), myIsEmbeddedMode ));
-    meshServant->GetImpl().SetNbElementsPerDiagonal( nbElemPerDiagonal );
 
     // activate the CORBA servant of Mesh
     SMESH::SMESH_Mesh_var mesh = SMESH::SMESH_Mesh::_narrow( meshServant->_this() );
@@ -727,7 +726,7 @@ SMESH_Gen_i::GetHypothesisParameterValues (const char*           theHypType,
       diagonal = mesh->GetShapeDiagonalSize();
     else
       diagonal = ::SMESH_Mesh::GetShapeDiagonalSize( shape );
-    double elemSize = diagonal / nbElemPerDiagonal;
+    double elemSize = diagonal / myGen.GetBoundaryBoxSegmentation();
     if ( elemSize > 0 ) {
       // let the temporary hypothesis initialize it's values
       if ( hyp->SetParametersByElementSize( elemSize, mesh ))
@@ -738,6 +737,18 @@ SMESH_Gen_i::GetHypothesisParameterValues (const char*           theHypType,
   return SMESH::SMESH_Hypothesis::_nil();
 }
 
+//=============================================================================
+/*!
+ * Sets number of segments per diagonal of boundary box of geometry by which
+ * default segment length of appropriate 1D hypotheses is defined
+ */
+//=============================================================================
+
+void SMESH_Gen_i::SetBoundaryBoxSegmentation( CORBA::Long theNbSegments )
+{
+  myGen.SetBoundaryBoxSegmentation( int( theNbSegments ));
+}
+
 //=============================================================================
 /*!
  *  SMESH_Gen_i::CreateMesh
diff --git a/src/SMESH_I/SMESH_Gen_i.hxx b/src/SMESH_I/SMESH_Gen_i.hxx
index 8012fee65..9b9b5f169 100644
--- a/src/SMESH_I/SMESH_Gen_i.hxx
+++ b/src/SMESH_I/SMESH_Gen_i.hxx
@@ -206,6 +206,12 @@ public:
                                                             CORBA::Boolean        byMesh)
     throw ( SALOME::SALOME_Exception );
   
+  /*!
+   * Sets number of segments per diagonal of boundary box of geometry by which
+   * default segment length of appropriate 1D hypotheses is defined
+   */
+  void SetBoundaryBoxSegmentation( CORBA::Long theNbSegments );
+
   // Create empty mesh on a shape
   SMESH::SMESH_Mesh_ptr CreateMesh( GEOM::GEOM_Object_ptr theShapeObject )
     throw ( SALOME::SALOME_Exception );