diff --git a/EgtGraphics.rc b/EgtGraphics.rc
index 00fc558..73a31d2 100644
Binary files a/EgtGraphics.rc and b/EgtGraphics.rc differ
diff --git a/SceneSnap.cpp b/SceneSnap.cpp
index 3368640..5601128 100644
--- a/SceneSnap.cpp
+++ b/SceneSnap.cpp
@@ -975,10 +975,10 @@ Scene::GetPlaneSnapPoint( const Point3d& ptWin, const Plane3d& plPlane, Point3d&
    Vector3d vtLine = - m_vtDirCamera ;
 
   // determino l'intersezione di questa linea con il piano
-   double dDenom = vtLine * plPlane.vtN ;
+   double dDenom = vtLine * plPlane.GetVersN() ;
    if ( fabs( dDenom) < COS_ORTO_ANG_ZERO)
       return false ;
-   double dU = ( plPlane.dDist - ( ptLine - ORIG) * plPlane.vtN) / dDenom ;
+   double dU = ( plPlane.GetDist() - ( ptLine - ORIG) * plPlane.GetVersN()) / dDenom ;
    ptSel = ptLine + dU * vtLine ;
    return true ;
 }