diff --git a/CurveAux.cpp b/CurveAux.cpp
index ce190e1..e9ff464 100644
--- a/CurveAux.cpp
+++ b/CurveAux.cpp
@@ -25,6 +25,7 @@
 #include "/EgtDev/Include/EGkStringUtils3d.h"
 #include "/EgtDev/Include/EGkUiUnits.h"
 #include "/EgtDev/Include/EgtPointerOwner.h"
+#define EIGEN_NO_IO
 #include "/EgtDev/Extern/Eigen/Dense"
 
 using namespace std ;
diff --git a/CurveByInterp.cpp b/CurveByInterp.cpp
index 4b82661..9f5f891 100644
--- a/CurveByInterp.cpp
+++ b/CurveByInterp.cpp
@@ -55,7 +55,7 @@ CurveByInterp::GetCurve( int nMethod, int nType)
       if ( ! CalcBesselTangents())
          return nullptr ;
    }
-   else if( nType != CUBIC_BEZIERS_LONG){
+   else if ( nType != CUBIC_BEZIERS_LONG) {
       if ( ! CalcAkimaTangents( nMethod == AKIMA_CORNER))
          return nullptr ;
    }
@@ -103,8 +103,8 @@ CurveByInterp::GetCurve( int nMethod, int nType)
       return ::Release( pCrvCompo) ;
    }
 
-   // se richieste curve di Bezier cubiche
-   if (nType == CUBIC_BEZIERS_LONG) {
+   // se richieste curve di Bezier cubiche (ottenute da interpolazione con Nurbs)
+   if ( nType == CUBIC_BEZIERS_LONG) {
        // creo la curva composita
        PtrOwner<ICurve> pCrv ;
        pCrv.Set( InterpolatePointSetWithBezier( m_vPnt, EPS_SMALL)) ;
diff --git a/EgtGeomKernel.rc b/EgtGeomKernel.rc
index 658e2a7..d98ab35 100644
Binary files a/EgtGeomKernel.rc and b/EgtGeomKernel.rc differ
diff --git a/PointsPCA.cpp b/PointsPCA.cpp
index 7ca4bfd..96bd180 100644
--- a/PointsPCA.cpp
+++ b/PointsPCA.cpp
@@ -14,6 +14,7 @@
 //--------------------------- Include ----------------------------------------
 #include "stdafx.h"
 #include "PointsPCA.h"
+#define EIGEN_NO_IO
 #include "/EgtDev/Extern/Eigen/Dense"
 
 
diff --git a/SurfBezier.cpp b/SurfBezier.cpp
index f09a71f..60f52e0 100644
--- a/SurfBezier.cpp
+++ b/SurfBezier.cpp
@@ -40,6 +40,7 @@
 #include "/EgtDev/Include/EGkCurveArc.h"
 #include "/EgtDev/Include/EGkGeoPoint3d.h"
 #include "/EgtDev/Include/EGkIntervals.h"
+#define EIGEN_NO_IO
 #include "/EgtDev/Extern/Eigen/Dense"
 
 using namespace std ;
diff --git a/VolZmapGraphics.cpp b/VolZmapGraphics.cpp
index 3d5b849..0950df0 100644
--- a/VolZmapGraphics.cpp
+++ b/VolZmapGraphics.cpp
@@ -24,6 +24,7 @@
 #include "/EgtDev/Include/EGkStringUtils3d.h"
 #include "/EgtDev/Include/EGkChainCurves.h"
 #include "/EgtDev/Include/EgtNumUtils.h"
+#define EIGEN_NO_IO
 #include "/EgtDev/Extern/Eigen/Core"
 #include "/EgtDev/Extern/Eigen/SVD"
 #include <thread>
diff --git a/VolZmapVolume.cpp b/VolZmapVolume.cpp
index 15769f9..8d5c0b9 100644
--- a/VolZmapVolume.cpp
+++ b/VolZmapVolume.cpp
@@ -17,17 +17,17 @@
 #include "CurveLine.h"
 #include "CurveArc.h"
 #include "CurveBezier.h"
+#include "SurfBezier.h"
 #include "VolZmap.h"
 #include "GeoConst.h"
 #include "IntersLineBox.h"
 #include "/EgtDev/Include/EGkIntervals.h"
 #include "/EgtDev/Include/EGkStringUtils3d.h"
+#include "/EgtDev/Include/EGkSurfBezier.h"
+#include "/EgtDev/Include/EGkIntersLineBox.h"
+#include "/EgtDev/Include/ENkPolynomialRoots.h"
 #include "/EgtDev/Include/EgtNumUtils.h"
 #include "/EgtDev/Include/EgtPerfCounter.h"
-#include "/EgtDev/Include/EGkSurfBezier.h"
-#include "/EgtDev/Include/ENkPolynomialRoots.h"
-#include "/EgtDev/Include/EGkIntersLineBox.h"
-#include "SurfBezier.h"
 #include <future>
 #include <numeric>