diff --git a/EgtGeomKernel.rc b/EgtGeomKernel.rc
index fca4212..a3ec081 100644
Binary files a/EgtGeomKernel.rc and b/EgtGeomKernel.rc differ
diff --git a/GdbGeo.cpp b/GdbGeo.cpp
index 3cdbecc..d3da220 100644
--- a/GdbGeo.cpp
+++ b/GdbGeo.cpp
@@ -125,7 +125,7 @@ GdbGeo::Save( NgeWriter& ngeOut) const
 
 //----------------------------------------------------------------------------
 bool
-GdbGeo::Load( int nNgeId, NgeReader& ngeIn, int& nParentId)
+GdbGeo::Load( int nNgeId, NgeReader& ngeIn, int nBaseGdbId, int& nParentId)
 {
   // creo l'oggetto geometrico corrispondente
    int nType = GEOOBJ_NGEIDTOTYPE( nNgeId) ;
@@ -164,7 +164,7 @@ GdbGeo::Load( int nNgeId, NgeReader& ngeIn, int& nParentId)
 
   // eventuale UserObj
    if ( nKey == NGE_U) {
-      if ( ! GdbObj::LoadUserObj( ngeIn))
+      if ( ! GdbObj::LoadUserObj( ngeIn, nBaseGdbId))
          return false ;
      // leggo la prossima linea
       if ( ! ngeIn.ReadKey( nKey))
diff --git a/GdbGeo.h b/GdbGeo.h
index df6be2e..54c756f 100644
--- a/GdbGeo.h
+++ b/GdbGeo.h
@@ -28,7 +28,7 @@ class GdbGeo : public GdbObj
       virtual GdbType GetGdbType( void) const
                          { return GDB_TY_GEO ; }
       virtual bool Save( NgeWriter& ngeOut) const ;
-      virtual bool Load( int nNgeId, NgeReader& ngeIn, int& nParentId) ;
+      virtual bool Load( int nNgeId, NgeReader& ngeIn, int nBaseGdbId, int& nParentId) ;
       virtual bool GetLocalBBox( BBox3d& b3Loc, int nFlag, int nLev = 0) const ;
       virtual bool GetBBox( const Frame3d& frRef, BBox3d& b3Ref, int nFlag, int nLev = 0) const ;
       virtual bool Translate( const Vector3d& vtMove) ;
diff --git a/GdbGroup.cpp b/GdbGroup.cpp
index d3cd7ab..eab09a2 100644
--- a/GdbGroup.cpp
+++ b/GdbGroup.cpp
@@ -199,7 +199,7 @@ GdbGroup::SaveChildren( NgeWriter& ngeOut) const
 
 //----------------------------------------------------------------------------
 bool
-GdbGroup::Load( int nNgeId, NgeReader& ngeIn, int& nParentId)
+GdbGroup::Load( int nNgeId, NgeReader& ngeIn, int nBaseGdbId, int& nParentId)
 {
   // leggo la prossima linea
    if ( ! ngeIn.ReadInt( m_nId, "@"))
@@ -232,7 +232,7 @@ GdbGroup::Load( int nNgeId, NgeReader& ngeIn, int& nParentId)
 
   // eventuale UserObj
    if ( nKey == NGE_U) {
-      if ( ! GdbObj::LoadUserObj( ngeIn))
+      if ( ! GdbObj::LoadUserObj( ngeIn, nBaseGdbId))
          return false ;
      // leggo la prossima linea
       if ( ! ngeIn.ReadKey( nKey))
diff --git a/GdbGroup.h b/GdbGroup.h
index 7a7e335..81bf6d7 100644
--- a/GdbGroup.h
+++ b/GdbGroup.h
@@ -29,7 +29,7 @@ class GdbGroup : public GdbObj
       virtual GdbType GetGdbType( void) const
                          { return GDB_TY_GROUP ; }
       virtual bool Save( NgeWriter& ngeOut) const ;
-      virtual bool Load( int nNgeId, NgeReader& ngeIn, int& nParentId) ;
+      virtual bool Load( int nNgeId, NgeReader& ngeIn, int nBaseGdbId, int& nParentId) ;
       virtual bool GetLocalBBox( BBox3d& b3Loc, int nFlag, int nLev = 0) const ;
       virtual bool GetBBox( const Frame3d& frRef, BBox3d& b3Ref, int nFlag, int nLev = 0) const ;
       virtual bool Translate( const Vector3d& vtMove)
diff --git a/GdbObj.cpp b/GdbObj.cpp
index 938f1d4..1f0590e 100644
--- a/GdbObj.cpp
+++ b/GdbObj.cpp
@@ -1158,7 +1158,7 @@ GdbObj::SaveUserObj( NgeWriter& ngeOut) const
 
 //----------------------------------------------------------------------------
 bool
-GdbObj::LoadUserObj( NgeReader& ngeIn)
+GdbObj::LoadUserObj( NgeReader& ngeIn, int nBaseGdbId)
 {
   // leggo il nome della classe
    string sName ;
@@ -1187,7 +1187,7 @@ GdbObj::LoadUserObj( NgeReader& ngeIn)
    if ( m_pUserObj == nullptr)
       return false ;
   // carico i dati nell'oggetto
-   if ( ! m_pUserObj->Load( vString))
+   if ( ! m_pUserObj->Load( vString, nBaseGdbId))
       return false ;
   // impostazione Id e GeomDB fatte successivamente
    return true ;
diff --git a/GdbObj.h b/GdbObj.h
index 8bf97dd..dc300a2 100644
--- a/GdbObj.h
+++ b/GdbObj.h
@@ -39,7 +39,7 @@ class GdbObj
       virtual GdbObj* Clone( int nId) const = 0 ;
       virtual GdbType GetGdbType( void) const = 0 ;
       virtual bool Save( NgeWriter& ngeOut) const = 0 ;
-      virtual bool Load( int nNgeId, NgeReader& ngeIn, int& nParentId) = 0 ;
+      virtual bool Load( int nNgeId, NgeReader& ngeIn, int nBaseGdbId, int& nParentId) = 0 ;
       virtual bool GetLocalBBox( BBox3d& b3Loc, int nFlag, int nLev = 0) const = 0 ;
       virtual bool GetBBox( const Frame3d& frRef, BBox3d& b3Ref, int nFlag, int nLev = 0) const = 0 ;
       virtual bool Translate( const Vector3d& vtMove) = 0 ;
@@ -130,7 +130,7 @@ class GdbObj
       bool GetTextureName( std::string& sTxrName) const ;
       bool GetTextureFrame( Frame3d& frTxrRef) const ;
       bool SaveUserObj( NgeWriter& ngeOut) const ;
-      bool LoadUserObj( NgeReader& ngeIn) ;
+      bool LoadUserObj( NgeReader& ngeIn, int nBaseGdbId) ;
 
    public :
       void SetGeomDB( GeomDB* pGDB)
diff --git a/GeomDB.cpp b/GeomDB.cpp
index 265af89..3e58652 100644
--- a/GeomDB.cpp
+++ b/GeomDB.cpp
@@ -215,7 +215,7 @@ GeomDB::LoadOneObj( NgeReader& ngeIn, int nGroupId, int nBaseGdbId, const INTVEC
 
   // se lettura dati va bene
    int nParentId ;
-   if ( pGdbObj->Load( nKey, ngeIn, nParentId)) {
+   if ( pGdbObj->Load( nKey, ngeIn, nBaseGdbId, nParentId)) {
      // aggiusto Id
       pGdbObj->m_nId += nBaseGdbId ;
      // aggiusto Id del gruppo di appartenenza
diff --git a/UserObjDefault.cpp b/UserObjDefault.cpp
index b2f545d..1820fae 100644
--- a/UserObjDefault.cpp
+++ b/UserObjDefault.cpp
@@ -81,7 +81,7 @@ UserObjDefault::Save( STRVECTOR& vString) const
 
 //----------------------------------------------------------------------------
 bool
-UserObjDefault::Load( const STRVECTOR& vString)
+UserObjDefault::Load( const STRVECTOR& vString, int nBaseGdbId)
 {
    m_vData = vString ;
    return true ;
diff --git a/UserObjDefault.h b/UserObjDefault.h
index 1c1005e..12ee613 100644
--- a/UserObjDefault.h
+++ b/UserObjDefault.h
@@ -25,7 +25,7 @@ class UserObjDefault : public IUserObj
       virtual bool Dump( std::string& sOut, bool bMM = true, const char* szNewLine = "\n") const ;
       virtual bool ToSave( void) const { return true ; }
       virtual bool Save( STRVECTOR& vString) const ;
-      virtual bool Load( const STRVECTOR& vString) ;
+      virtual bool Load( const STRVECTOR& vString, int nBaseGdbId) ;
       virtual bool SetOwner( int nId, IGeomDB* pGDB) ;
       virtual int  GetOwner( void) const ;
       virtual IGeomDB* GetGeomDB( void) const ;