diff --git a/EgtGraphics.rc b/EgtGraphics.rc
index 1560048..32f96b1 100644
Binary files a/EgtGraphics.rc and b/EgtGraphics.rc differ
diff --git a/Scene.h b/Scene.h
index fbb8602..34ec7d6 100644
--- a/Scene.h
+++ b/Scene.h
@@ -97,6 +97,7 @@ class Scene : public IEGrScene
       bool PanCamera( const Point3d& ptWinOld, const Point3d& ptWinNew) override ;
       bool RotateCamera( const Point3d& ptWinOld, const Point3d& ptWinNew) override ;
       bool ZoomAll( void) override ;
+      bool ZoomObject( int nId) override ;
       bool ZoomRadius( double dRadius) override ;
       bool ZoomChange( double dCoeff) override ;
       bool ZoomOnPoint( const Point3d& ptWin, double dCoeff) override ;
diff --git a/SceneCamera.cpp b/SceneCamera.cpp
index bf26a33..90bd36c 100644
--- a/SceneCamera.cpp
+++ b/SceneCamera.cpp
@@ -301,6 +301,26 @@ Scene::ZoomAll( void)
    return true ;
 }
 
+//----------------------------------------------------------------------------
+bool
+Scene::ZoomObject( int nId)
+{
+  // determino l'ingombro dell'oggetto in globale
+   BBox3d b3Obj ;
+   if ( m_pGeomDB == nullptr  ||  ! m_pGeomDB->GetGlobalBBox( nId, b3Obj))
+      return false ;
+
+  // recupero centro e diametro vista
+   Point3d ptCent ;
+   double dDiam ;
+   if ( ! b3Obj.GetCenter( ptCent)  ||  ! b3Obj.GetDiameter( dDiam))
+      return false ;
+
+  // imposto il centro e le dimensioni di vista
+   m_ptCenter = ptCent ;
+   return AdjustDimView( dDiam / 2, dDiam / 2) ;
+}
+
 //----------------------------------------------------------------------------
 bool
 Scene::ZoomRadius( double dRadius)