diff --git a/EgtGeomKernel.rc b/EgtGeomKernel.rc
index 74eafbf..b389857 100644
Binary files a/EgtGeomKernel.rc and b/EgtGeomKernel.rc differ
diff --git a/VolZmapCalculus.cpp b/VolZmapCalculus.cpp
index 2305dfc..3f3abb9 100644
--- a/VolZmapCalculus.cpp
+++ b/VolZmapCalculus.cpp
@@ -1185,7 +1185,7 @@ VolZmap::IntersLineMyPolyhedron( const Point3d& ptLineSt, const Vector3d& vtLine
    dDeltaZ = dDeltaZ * ( 1 - ( 2 * EPS_SMALL) / dLenX) ;
   // Riferimento del poliedro offsettato
    Frame3d frInnerFrame = PolyFrame ;
-   frInnerFrame.Translate( dOffsetX * frInnerFrame.VersX() + dOffsetZ * frInnerFrame.VersZ()) ;
+   frInnerFrame.Translate( dOffsetX * frInnerFrame.VersX() + ( dOffsetZ + EPS_SMALL * dDeltaZ / dLenX) * frInnerFrame.VersZ()) ;
 
    Point3d ptP = ptLineSt ;
    Vector3d vtV = vtLineDir ;
diff --git a/VolZmapVolume.cpp b/VolZmapVolume.cpp
index 4f0ad33..56e350a 100644
--- a/VolZmapVolume.cpp
+++ b/VolZmapVolume.cpp
@@ -53,7 +53,7 @@ VolZmap::SubtractIntervals( unsigned int nGrid, unsigned int nI, unsigned int nJ
   // Riporto le coordinate cicliche nell'ordine di partenza
    Vector3d vtNmi = vtNMin ;
    Vector3d vtNma = vtNMax ;
-  // Passo dalla grilgia al sistema intrinseco
+  // Passo dalla griglia al sistema intrinseco
    if ( nGrid == 1) {
       swap( vtNmi.x, vtNmi.z) ;
       swap( vtNmi.y, vtNmi.z) ;