diff --git a/Attribs.cpp b/Attribs.cpp
index 6f10af1..7cc95ff 100644
--- a/Attribs.cpp
+++ b/Attribs.cpp
@@ -27,7 +27,7 @@ static const string NAME = "N" ;
 
 //----------------------------------------------------------------------------
 bool
-Attribs::Dump( const GeomDB& GDB, string& sOut, const char* szNewLine) const
+Attribs::Dump( const GeomDB& GDB, string& sOut, bool bMM, const char* szNewLine) const
 {
   // livello
    sOut += "Lev=" ;
diff --git a/Attribs.h b/Attribs.h
index 7fda97a..1287bf3 100644
--- a/Attribs.h
+++ b/Attribs.h
@@ -41,7 +41,7 @@ class Attribs
                 if ( pAttribs != nullptr)
                    *pAttribs = *this ;
                 return pAttribs ; }
-      bool Dump( const GeomDB& GDB, std::string& sOut, const char* szNewLine) const ;
+      bool Dump( const GeomDB& GDB, std::string& sOut, bool bMM = true, const char* szNewLine = "\n") const ;
       bool Save( NgeWriter& ngeOut) const ;
       bool Load( NgeReader& ngeIn) ;
       void SetLevel( int nLev)
diff --git a/CurveArc.cpp b/CurveArc.cpp
index 26096e8..a7ac49c 100644
--- a/CurveArc.cpp
+++ b/CurveArc.cpp
@@ -23,6 +23,7 @@
 #include "NgeReader.h"
 #include "/EgtDev/Include/EGkAngle.h"
 #include "/EgtDev/Include/EGkStringUtils3d.h"
+#include "/EgtDev/Include/EGkUiUnits.h"
 #include "/EgtDev/Include/EgtPointerOwner.h"
 #include <new>
 
@@ -546,18 +547,18 @@ CurveArc::GetTitle( void) const
 
 //----------------------------------------------------------------------------
 bool
-CurveArc::Dump( string& sOut, const char* szNewLine) const
+CurveArc::Dump( string& sOut, bool bMM, const char* szNewLine) const
 {
   // dati generali di una curva
-   if ( ! CurveDump( *this, sOut, szNewLine))
+   if ( ! CurveDump( *this, sOut, bMM, szNewLine))
       return false ;
   // parametri : Centro, Normale, DirStart, Rad, AngCenDeg, DeltaN
-   sOut += "C(" + ToString( m_PtCen, 3) + ") " + szNewLine ;
+   sOut += "C(" + ToString( GetInUiUnits( m_PtCen, bMM), 3) + ") " + szNewLine ;
    sOut += "VN(" + ToString( m_VtN, 6) + ") " + szNewLine ;
    sOut += "VS(" + ToString( m_VtS, 6) + ") " + szNewLine ;
-   sOut += "R=" + ToString( m_dRad, 3) ;
+   sOut += "R=" + ToString( GetInUiUnits( m_dRad, bMM), 3) ;
    sOut += " Ac=" + ToString( m_dAngCenDeg, 3) ;
-   sOut += " Dn=" + ToString( m_dDeltaN, 3) + szNewLine ;
+   sOut += " Dn=" + ToString( GetInUiUnits( m_dDeltaN, bMM), 3) + szNewLine ;
 
    return true ;
 }
diff --git a/CurveArc.h b/CurveArc.h
index 40b268b..aedb19f 100644
--- a/CurveArc.h
+++ b/CurveArc.h
@@ -29,7 +29,7 @@ class CurveArc : public ICurveArc, public IGeoObjRW
       virtual bool IsValid( void) const
                       { return ( m_nStatus == OK) ; }
       virtual const std::string& GetTitle( void) const ;
-      virtual bool Dump( std::string& sOut, const char* szNewLine = "\n") const ;
+      virtual bool Dump( std::string& sOut, bool bMM = true, const char* szNewLine = "\n") const ;
       virtual bool GetLocalBBox( BBox3d& b3Loc, int nFlag = BBF_STANDARD) const ;
       virtual bool GetBBox( const Frame3d& frRef, BBox3d& b3Ref, int nFlag = BBF_STANDARD) const ;
       virtual bool Translate( const Vector3d& vtMove) ;
diff --git a/CurveAux.cpp b/CurveAux.cpp
index 8e7a19c..3738070 100644
--- a/CurveAux.cpp
+++ b/CurveAux.cpp
@@ -21,6 +21,7 @@
 #include "CurveComposite.h"
 #include "/EgtDev/Include/EGkDistPointCurve.h"
 #include "/EgtDev/Include/EGkStringUtils3d.h"
+#include "/EgtDev/Include/EGkUiUnits.h"
 #include "/EgtDev/Include/EgtPointerOwner.h"
 
 using namespace std ;
@@ -279,7 +280,7 @@ CurveGetAreaXY( const ICurve& crvC, double& dArea)
 
 //----------------------------------------------------------------------------
 bool
-CurveDump( const ICurve& crvC, string& sOut, const char* szNewLine)
+CurveDump( const ICurve& crvC, string& sOut, bool bMM, const char* szNewLine)
 {
   // verifico validità curva
    if ( ! crvC.IsValid())
@@ -288,10 +289,10 @@ CurveDump( const ICurve& crvC, string& sOut, const char* szNewLine)
   // punti iniziale e finale
    Point3d ptPS ;
    crvC.GetStartPoint( ptPS) ;
-   sOut += "PS(" + ToString( ptPS, 3) + ")" + szNewLine ;
+   sOut += "PS(" + ToString( GetInUiUnits( ptPS, bMM), 3) + ")" + szNewLine ;
    Point3d ptPE ;
    crvC.GetEndPoint( ptPE) ;
-   sOut += "PE(" + ToString( ptPE, 3) + ")" + szNewLine ;
+   sOut += "PE(" + ToString( GetInUiUnits( ptPE, bMM), 3) + ")" + szNewLine ;
   // direzioni iniziale e finale
    Vector3d vtDirS ;
    crvC.GetStartDir( vtDirS) ;
@@ -305,17 +306,18 @@ CurveDump( const ICurve& crvC, string& sOut, const char* szNewLine)
    if ( ! vtExtr.IsSmall()) {
      double dThick ;
      crvC.GetThickness( dThick) ;
-     sOut += "Extr(" + ToString( vtExtr, 3) + ") Th=" + ToString( dThick) + szNewLine ;
+     sOut += "Extr(" + ToString( vtExtr, 3) + ") Th=" + ToString( GetInUiUnits( dThick, bMM), 3) + szNewLine ;
    }
   // lunghezza
    double dLen = 0 ;
    crvC.GetLength( dLen) ;
-   sOut += "Len=" + ToString( dLen,3) + szNewLine ;
+   sOut += "Len=" + ToString( GetInUiUnits( dLen, bMM), 3) + szNewLine ;
   // altri dati per curva chiusa
    double dAreaXY ;
    if ( CurveGetAreaXY( crvC, dAreaXY)) {
       bool bCCW = ( dAreaXY > 0) ; 
-      sOut += string( "Closed") + ( bCCW ? " CCW" : " CW") + " AreaXY=" + ToString( fabs( dAreaXY),1) + szNewLine ;
+      sOut += string( "Closed") + ( bCCW ? " CCW" : " CW") + " AreaXY=" +
+              ToString( GetAreaInUiUnits( fabs( dAreaXY), bMM),1) + szNewLine ;
    }
 
    return true ;
diff --git a/CurveAux.h b/CurveAux.h
index 21c0620..72087cb 100644
--- a/CurveAux.h
+++ b/CurveAux.h
@@ -26,6 +26,6 @@ bool GetTang( const ICurve& crvC, double dU, ICurve::Side nS, Vector3d& vtTang)
 bool GetPointTang( const ICurve& crvC, double dU, ICurve::Side nS, Point3d& ptPos, Vector3d& vtTang) ;
 bool GetPointDiffGeom( const ICurve& crvC, double dU, ICurve::Side nS, CrvPointDiffGeom& oDiffG) ;
 bool CurveGetAreaXY( const ICurve& crvC, double& dArea) ;
-bool CurveDump( const ICurve& crvC, std::string& sOut, const char* szNewLine) ;
+bool CurveDump( const ICurve& crvC, std::string& sOut, bool bMM, const char* szNewLine) ;
 bool CopyExtrusion( const ICurve* pSouCrv, ICurve* pDestCrv) ;
 bool CopyThickness( const ICurve* pSouCrv, ICurve* pDestCrv) ;
diff --git a/CurveBezier.cpp b/CurveBezier.cpp
index fd041bd..8c2d5fd 100644
--- a/CurveBezier.cpp
+++ b/CurveBezier.cpp
@@ -27,6 +27,7 @@
 #include "/EgtDev/Include/EGkCurveArc.h"
 #include "/EgtDev/Include/ENkPolynomial.h"
 #include "/EgtDev/Include/EGkStringUtils3d.h"
+#include "/EgtDev/Include/EGkUiUnits.h"
 #include "/EgtDev/Include/EgtPointerOwner.h"
 #include <new>
 
@@ -353,10 +354,10 @@ CurveBezier::GetTitle( void) const
 
 //----------------------------------------------------------------------------
 bool
-CurveBezier::Dump( string& sOut, const char* szNewLine) const
+CurveBezier::Dump( string& sOut, bool bMM, const char* szNewLine) const
 {
   // dati generali di una curva
-   if ( ! CurveDump( *this, sOut, szNewLine))
+   if ( ! CurveDump( *this, sOut, bMM, szNewLine))
       return false ;
   // parametri : flag razionale
    sOut += ( m_bRat ? "Rat " : "Int ") ;
@@ -364,7 +365,7 @@ CurveBezier::Dump( string& sOut, const char* szNewLine) const
    sOut += "Deg=" + ToString( m_nDeg) + szNewLine ;
   //             ciclo sui punti di controllo ( con pesi se razionale)
    for ( int i = 0 ; i <= m_nDeg ; ++ i) {
-      sOut += "PC(" + ToString( m_aPtCtrl[i], 3) ;
+      sOut += "PC(" + ToString( GetInUiUnits( m_aPtCtrl[i], bMM), 3) ;
       if ( m_bRat)
          sOut += "," + ToString( m_aWeCtrl[i], 3) ;
       sOut += string( ")") + szNewLine ;
diff --git a/CurveBezier.h b/CurveBezier.h
index a2a9558..5ba4297 100644
--- a/CurveBezier.h
+++ b/CurveBezier.h
@@ -31,7 +31,7 @@ class CurveBezier : public ICurveBezier, public IGeoObjRW
       virtual bool IsValid( void) const
                       { return ( m_nStatus == OK) ; }
       virtual const std::string& GetTitle( void) const ;
-      virtual bool Dump( std::string& sOut, const char* szNewLine = "\n") const ;
+      virtual bool Dump( std::string& sOut, bool bMM = true, const char* szNewLine = "\n") const ;
       virtual bool GetLocalBBox( BBox3d& b3Loc, int nFlag = BBF_STANDARD) const ;
       virtual bool GetBBox( const Frame3d& frRef, BBox3d& b3Ref, int nFlag = BBF_STANDARD) const ;
       virtual bool Translate( const Vector3d& vtMove) ;
diff --git a/CurveComposite.cpp b/CurveComposite.cpp
index c68b6e9..ed61b13 100644
--- a/CurveComposite.cpp
+++ b/CurveComposite.cpp
@@ -578,10 +578,10 @@ CurveComposite::GetTitle( void) const
 
 //----------------------------------------------------------------------------
 bool
-CurveComposite::Dump( string& sOut, const char* szNewLine) const
+CurveComposite::Dump( string& sOut, bool bMM, const char* szNewLine) const
 {
   // dati generali di una curva
-   if ( ! CurveDump( *this, sOut, szNewLine))
+   if ( ! CurveDump( *this, sOut, bMM, szNewLine))
       return false ;
   // parametri : numero di curve
    sOut += "CrvNbr=" + ToString( int( m_CrvSmplS.size())) + szNewLine ;
@@ -592,7 +592,7 @@ CurveComposite::Dump( string& sOut, const char* szNewLine) const
      // assegno ed emetto nome e tipo della curva semplice
       sOut += "#" + ToString( ++i) + " " + pCrvSmpl->GetTitle() + szNewLine ;
      // salvataggio della curva semplice
-      if ( ! pCrvSmpl->Dump( sOut, szNewLine))
+      if ( ! pCrvSmpl->Dump( sOut, bMM, szNewLine))
          return false ;
      // passo alla successiva
       pCrvSmpl = GetNextCurve() ;
diff --git a/CurveComposite.h b/CurveComposite.h
index 604a31f..f26c238 100644
--- a/CurveComposite.h
+++ b/CurveComposite.h
@@ -31,7 +31,7 @@ class CurveComposite : public ICurveComposite, public IGeoObjRW
       virtual bool IsValid( void) const
                       { return ( m_nStatus == OK) ; }
       virtual const std::string& GetTitle( void) const ;
-      virtual bool Dump( std::string& sOut, const char* szNewLine = "\n") const ;
+      virtual bool Dump( std::string& sOut, bool bMM = true, const char* szNewLine = "\n") const ;
       virtual bool GetLocalBBox( BBox3d& b3Loc, int nFlag = BBF_STANDARD) const ;
       virtual bool GetBBox( const Frame3d& frRef, BBox3d& b3Ref, int nFlag = BBF_STANDARD) const ;
       virtual bool Translate( const Vector3d& vtMove) ;
diff --git a/CurveLine.cpp b/CurveLine.cpp
index b375eaf..d2daecd 100644
--- a/CurveLine.cpp
+++ b/CurveLine.cpp
@@ -144,10 +144,10 @@ CurveLine::GetTitle( void) const
 
 //----------------------------------------------------------------------------
 bool
-CurveLine::Dump( string& sOut, const char* szNewLine) const
+CurveLine::Dump( string& sOut, bool bMM, const char* szNewLine) const
 {
   // dati generali di una curva
-   if ( ! CurveDump( *this, sOut, szNewLine))
+   if ( ! CurveDump( *this, sOut, bMM, szNewLine))
       return false ;
   // parametri : sono già compresi nei dati generali (PS e PE)
 
diff --git a/CurveLine.h b/CurveLine.h
index c0e7b1a..5fa95d9 100644
--- a/CurveLine.h
+++ b/CurveLine.h
@@ -29,7 +29,7 @@ class CurveLine : public ICurveLine, public IGeoObjRW
       virtual bool IsValid( void) const
                       { return ( m_nStatus == OK) ; }
       virtual const std::string& GetTitle( void) const ;
-      virtual bool Dump( std::string& sOut, const char* szNewLine = "\n") const ;
+      virtual bool Dump( std::string& sOut, bool bMM = true, const char* szNewLine = "\n") const ;
       virtual bool GetLocalBBox( BBox3d& b3Loc, int nFlag = BBF_STANDARD) const ;
       virtual bool GetBBox( const Frame3d& frRef, BBox3d& b3Ref, int nFlag = BBF_STANDARD) const ;
       virtual bool Translate( const Vector3d& vtMove) ;
diff --git a/EgtGeomKernel.rc b/EgtGeomKernel.rc
index a15bf3e..03a7989 100644
Binary files a/EgtGeomKernel.rc and b/EgtGeomKernel.rc differ
diff --git a/ExtText.cpp b/ExtText.cpp
index d54cd03..831dfef 100644
--- a/ExtText.cpp
+++ b/ExtText.cpp
@@ -18,7 +18,8 @@
 #include "NgeWriter.h"
 #include "NgeReader.h"
 #include "FontManager.h"
-#include "\EgtDev\Include\EGkStringUtils3d.h"
+#include "/EgtDev/Include/EGkStringUtils3d.h"
+#include "/EgtDev/Include/EGkUiUnits.h"
 #include <new>
 
 using namespace std ;
@@ -194,10 +195,10 @@ ExtText::GetTitle( void) const
 
 //----------------------------------------------------------------------------
 bool
-ExtText::Dump( string& sOut, const char* szNewLine) const
+ExtText::Dump( string& sOut, bool bMM, const char* szNewLine) const
 {
   // parametri
-   sOut += "P(" + ToString( m_ptP, 3) + ") " ;
+   sOut += "P(" + ToString( GetInUiUnits( m_ptP, bMM), 3) + ") " ;
    sOut += " IP=" + ToString( m_nInsPos) + szNewLine ;
    sOut += "VN(" + ToString( m_vtN, 6) + ") " + szNewLine ;
    sOut += "VS(" + ToString( m_vtD, 6) + ") " + szNewLine ;
@@ -205,9 +206,9 @@ ExtText::Dump( string& sOut, const char* szNewLine) const
    sOut += "Fnt=" + m_sFont + szNewLine ;
    sOut += "W=" + ToString( m_nWeight) ;
    sOut += " I=" + ToString( m_bItalic) ;
-   sOut += " H=" + ToString( m_dHeight, 1) ;
+   sOut += " H=" + ToString( GetInUiUnits( m_dHeight, bMM), 1) ;
    sOut += " R=" + ToString( m_dRatio, 3) ;
-   sOut += " A=" + ToString( m_dAddAdvance, 1) + szNewLine ;
+   sOut += " A=" + ToString( GetInUiUnits( m_dAddAdvance, bMM), 1) + szNewLine ;
 
    return true ;
 }
diff --git a/ExtText.h b/ExtText.h
index 0da5267..75116a7 100644
--- a/ExtText.h
+++ b/ExtText.h
@@ -29,7 +29,7 @@ class ExtText : public IExtText, public IGeoObjRW
       virtual bool IsValid( void) const
                 { return true ; }
       virtual const std::string& GetTitle( void) const ;
-      virtual bool Dump( std::string& sOut, const char* szNewLine = "\n") const ;
+      virtual bool Dump( std::string& sOut, bool bMM = true, const char* szNewLine = "\n") const ;
       virtual bool GetLocalBBox( BBox3d& b3Loc, int nFlag = BBF_STANDARD) const ;
       virtual bool GetBBox( const Frame3d& frRef, BBox3d& b3Ref, int nFlag = BBF_STANDARD) const ;
       virtual bool Translate( const Vector3d& vtMove) ;
diff --git a/GeoFrame3d.cpp b/GeoFrame3d.cpp
index 66c1f6d..b197825 100644
--- a/GeoFrame3d.cpp
+++ b/GeoFrame3d.cpp
@@ -17,8 +17,9 @@
 #include "GeoObjFactory.h"
 #include "NgeWriter.h"
 #include "NgeReader.h"
-#include "/EgtDev/Include/EGkStringUtils3d.h"
 #include "/EgtDev/Include/EGkPolyLine.h"
+#include "/EgtDev/Include/EGkStringUtils3d.h"
+#include "/EgtDev/Include/EGkUiUnits.h"
 #include <new>
 
 using namespace std ;
@@ -134,10 +135,10 @@ GeoFrame3d::GetTitle( void) const
 
 //----------------------------------------------------------------------------
 bool
-GeoFrame3d::Dump( string& sOut, const char* szNewLine) const
+GeoFrame3d::Dump( string& sOut, bool bMM, const char* szNewLine) const
 {
   // parametri : origine, VersoreX, VersoreY, VersoreZ
-   sOut += "O(" + ToString( m_frF.Orig()) + ")" + szNewLine ;
+   sOut += "O(" + ToString( GetInUiUnits( m_frF.Orig(), bMM)) + ")" + szNewLine ;
    sOut += "VX(" + ToString( m_frF.VersX()) + ")" + szNewLine ;
    sOut += "VY(" + ToString( m_frF.VersY()) + ")" + szNewLine ;
    sOut += "VZ(" + ToString( m_frF.VersZ()) + ")" + szNewLine ;
diff --git a/GeoFrame3d.h b/GeoFrame3d.h
index 9f4fb82..70460b4 100644
--- a/GeoFrame3d.h
+++ b/GeoFrame3d.h
@@ -29,7 +29,7 @@ class GeoFrame3d : public IGeoFrame3d, public IGeoObjRW
       virtual bool IsValid( void) const
                 { return ( m_frF.GetType() != Frame3d::ERR) ; }
       virtual const std::string& GetTitle( void) const ;
-      virtual bool Dump( std::string& sOut, const char* szNewLine = "\n") const ;
+      virtual bool Dump( std::string& sOut, bool bMM = true, const char* szNewLine = "\n") const ;
       virtual bool GetLocalBBox( BBox3d& b3Loc, int nFlag = BBF_STANDARD) const ;
       virtual bool GetBBox( const Frame3d& frRef, BBox3d& b3Ref, int nFlag = BBF_STANDARD) const ;
       virtual bool GetFrame( Frame3d& frF) const
diff --git a/GeoPoint3d.cpp b/GeoPoint3d.cpp
index 0aa5381..6adc021 100644
--- a/GeoPoint3d.cpp
+++ b/GeoPoint3d.cpp
@@ -17,7 +17,8 @@
 #include "GeoObjFactory.h"
 #include "NgeWriter.h"
 #include "NgeReader.h"
-#include "\EgtDev\Include\EGkStringUtils3d.h"
+#include "/EgtDev/Include/EGkStringUtils3d.h"
+#include "/EgtDev/Include/EGkUiUnits.h"
 #include <new>
 
 using namespace std ;
@@ -102,10 +103,10 @@ GeoPoint3d::GetTitle( void) const
 
 //----------------------------------------------------------------------------
 bool
-GeoPoint3d::Dump( string& sOut, const char* szNewLine) const
+GeoPoint3d::Dump( string& sOut, bool bMM, const char* szNewLine) const
 {
   // parametri : punto
-   sOut += "P(" + ToString( m_ptP) + ")" + szNewLine ;
+   sOut += "P(" + ToString( GetInUiUnits( m_ptP, bMM)) + ")" + szNewLine ;
 
    return true ;
 }
diff --git a/GeoPoint3d.h b/GeoPoint3d.h
index a858841..479765d 100644
--- a/GeoPoint3d.h
+++ b/GeoPoint3d.h
@@ -29,7 +29,7 @@ class GeoPoint3d : public IGeoPoint3d, public IGeoObjRW
       virtual bool IsValid( void) const
                 { return true ; }
       virtual const std::string& GetTitle( void) const ;
-      virtual bool Dump( std::string& sOut, const char* szNewLine = "\n") const ;
+      virtual bool Dump( std::string& sOut, bool bMM = true, const char* szNewLine = "\n") const ;
       virtual bool GetLocalBBox( BBox3d& b3Loc, int nFlag = BBF_STANDARD) const ;
       virtual bool GetBBox( const Frame3d& frRef, BBox3d& b3Ref, int nFlag = BBF_STANDARD) const ;
       virtual bool Translate( const Vector3d& vtMove)
diff --git a/GeoVector3d.cpp b/GeoVector3d.cpp
index 8c095ee..1ae7e36 100644
--- a/GeoVector3d.cpp
+++ b/GeoVector3d.cpp
@@ -17,8 +17,9 @@
 #include "GeoObjFactory.h"
 #include "NgeWriter.h"
 #include "NgeReader.h"
-#include "/EgtDev/Include/EGkStringUtils3d.h"
 #include "/EgtDev/Include/EGkPolyLine.h"
+#include "/EgtDev/Include/EGkStringUtils3d.h"
+#include "/EgtDev/Include/EGkUiUnits.h"
 #include <new>
 
 using namespace std ;
@@ -118,11 +119,15 @@ GeoVector3d::GetTitle( void) const
 
 //----------------------------------------------------------------------------
 bool
-GeoVector3d::Dump( string& sOut, const char* szNewLine) const
+GeoVector3d::Dump( string& sOut, bool bMM, const char* szNewLine) const
 {
   // parametri : vettore
-   sOut += "V(" + ToString( m_vtV) + ")" + szNewLine ;
-   sOut += "base(" + ToString( m_ptBase) + ")" + szNewLine ;
+   // se versore non lo converto (non è detto sia sempre corretto)
+   if ( m_vtV.IsNormalized())
+      sOut += "V(" + ToString( m_vtV) + ")" + szNewLine ;
+   else
+      sOut += "V(" + ToString( GetInUiUnits( m_vtV, bMM)) + ")" + szNewLine ;
+   sOut += "base(" + ToString( GetInUiUnits( m_ptBase, bMM), 3) + ")" + szNewLine ;
 
    return true ;
 }
diff --git a/GeoVector3d.h b/GeoVector3d.h
index 8337875..95605cc 100644
--- a/GeoVector3d.h
+++ b/GeoVector3d.h
@@ -28,7 +28,7 @@ class GeoVector3d : public IGeoVector3d, public IGeoObjRW
       virtual bool IsValid( void) const
                 { return true ; }
       virtual const std::string& GetTitle( void) const ;
-      virtual bool Dump( std::string& sOut, const char* szNewLine = "\n") const ;
+      virtual bool Dump( std::string& sOut, bool bMM = true, const char* szNewLine = "\n") const ;
       virtual bool GetLocalBBox( BBox3d& b3Loc, int nFlag = BBF_STANDARD) const ;
       virtual bool GetBBox( const Frame3d& frRef, BBox3d& b3Ref, int nFlag = BBF_STANDARD) const ;
       virtual bool Translate( const Vector3d& vtMove)
diff --git a/GeomDB.cpp b/GeomDB.cpp
index 8ddd794..8c50a1b 100644
--- a/GeomDB.cpp
+++ b/GeomDB.cpp
@@ -1749,7 +1749,7 @@ GeomDB::ClearSelection( void)
 // Attributes
 //----------------------------------------------------------------------------
 bool
-GeomDB::DumpAttributes( int nId, string& sOut, const char* szNewLine) const
+GeomDB::DumpAttributes( int nId, string& sOut, bool bMM, const char* szNewLine) const
 {
   // recupero l'oggetto
    const GdbObj* pGdbObj = GetGdbObj( nId) ;
@@ -1758,10 +1758,10 @@ GeomDB::DumpAttributes( int nId, string& sOut, const char* szNewLine) const
 
   // eseguo il dump
    if ( pGdbObj->m_pAttribs != nullptr)
-      return pGdbObj->m_pAttribs->Dump( *this, sOut, szNewLine) ;
+      return pGdbObj->m_pAttribs->Dump( *this, sOut, bMM, szNewLine) ;
    else {
       Attribs attr ;
-      return attr.Dump( *this, sOut, szNewLine) ;
+      return attr.Dump( *this, sOut, bMM, szNewLine) ;
    }
 }
 
@@ -2634,7 +2634,7 @@ GeomDB::GetUserObj( int nId) const
 
 //----------------------------------------------------------------------------
 bool
-GeomDB::DumpUserObj( int nId, string& sOut, const char* szNewLine) const
+GeomDB::DumpUserObj( int nId, string& sOut, bool bMM, const char* szNewLine) const
 {
   // recupero l'oggetto
    const GdbObj* pGdbObj = GetGdbObj( nId) ;
@@ -2643,7 +2643,7 @@ GeomDB::DumpUserObj( int nId, string& sOut, const char* szNewLine) const
 
   // eseguo il dump
    if ( pGdbObj->m_pUserObj != nullptr)
-      return pGdbObj->m_pUserObj->Dump( sOut, szNewLine) ;
+      return pGdbObj->m_pUserObj->Dump( sOut, bMM, szNewLine) ;
    else
       return true ;
 }
diff --git a/GeomDB.h b/GeomDB.h
index ab0d6db..2aab785 100644
--- a/GeomDB.h
+++ b/GeomDB.h
@@ -119,7 +119,7 @@ class GeomDB : public IGeomDB
       virtual int  GetPrevSelectedObj( void) const ;
       virtual bool ClearSelection( void) ;
      // Attributes
-      virtual bool DumpAttributes( int nId, std::string& sOut, const char* szNewLine) const ;
+      virtual bool DumpAttributes( int nId, std::string& sOut, bool bMM = true, const char* szNewLine = "\n") const ;
       virtual bool CopyAttributes( int nIdSou, int nIdDest) ;
       virtual bool SetLevel( int nId, int nLevel) ;
       virtual bool RevertLevel( int nId) ;
@@ -180,7 +180,7 @@ class GeomDB : public IGeomDB
       virtual bool SetUserObj( int nId, IUserObj* pUserObj) ;
       virtual IUserObj* GetUserObj( int nId) ;
       virtual const IUserObj* GetUserObj( int nId) const ;
-      virtual bool DumpUserObj( int nId, std::string& sOut, const char* szNewLine) const ;
+      virtual bool DumpUserObj( int nId, std::string& sOut, bool bMM = true, const char* szNewLine = "\n") const ;
       virtual bool CopyUserObj( int nIdSou, int nIdDest) ;
       virtual bool RemoveUserObj( int nId) ;
      // Material library
diff --git a/SurfTriMesh.cpp b/SurfTriMesh.cpp
index a96e420..85b3b21 100644
--- a/SurfTriMesh.cpp
+++ b/SurfTriMesh.cpp
@@ -20,9 +20,10 @@
 #include "DistPointLine.h"
 #include "Triangulate.h"
 #include "GeoConst.h"
-#include "\EgtDev\Include\EGkStringUtils3d.h"
-#include "\EgtDev\Include\EGkPointGrid3d.h"
-#include "\EgtDev\Include\EGkPolyLine.h"
+#include "/EgtDev/Include/EGkPointGrid3d.h"
+#include "/EgtDev/Include/EGkPolyLine.h"
+#include "/EgtDev/Include/EGkStringUtils3d.h"
+#include "/EgtDev/Include/EGkUiUnits.h"
 #include <new>
 
 using namespace std ;
@@ -665,17 +666,17 @@ SurfTriMesh::GetTitle( void) const
 
 //----------------------------------------------------------------------------
 bool
-SurfTriMesh::Dump( string& sOut, const char* szNewLine) const
+SurfTriMesh::Dump( string& sOut, bool bMM, const char* szNewLine) const
 {
   // area
    double dArea ;
    GetArea( dArea) ;
-   sOut += "Area=" + ToString( dArea,1) + szNewLine ;
+   sOut += "Area=" + ToString( GetAreaInUiUnits( dArea, bMM),1) + szNewLine ;
   // altri dati per superficie chiusa
    if ( m_bClosed) {
       double dVolume ;
       GetVolume( dVolume) ;
-      sOut += "Closed Volume=" + ToString( dVolume,1) + szNewLine ;
+      sOut += "Closed Volume=" + ToString( GetVolumeInUiUnits( dVolume, bMM), 1) + szNewLine ;
    }
   // se segnalo eventuale incongruenza di orientamento
    if ( ! m_bOriented)
diff --git a/SurfTriMesh.h b/SurfTriMesh.h
index a82c039..a15f937 100644
--- a/SurfTriMesh.h
+++ b/SurfTriMesh.h
@@ -77,7 +77,7 @@ class SurfTriMesh : public ISurfTriMesh, public IGeoObjRW
       virtual bool IsValid( void) const
                       { return ( m_nStatus == OK) ; }
       virtual const std::string& GetTitle( void) const ;
-      virtual bool Dump( std::string& sOut, const char* szNewLine = "\n") const ;
+      virtual bool Dump( std::string& sOut, bool bMM = true, const char* szNewLine = "\n") const ;
       virtual bool GetLocalBBox( BBox3d& b3Loc, int nFlag = BBF_STANDARD) const ;
       virtual bool GetBBox( const Frame3d& frRef, BBox3d& b3Ref, int nFlag = BBF_STANDARD) const ;
       virtual bool Translate( const Vector3d& vtMove) ;
diff --git a/UserObjDefault.cpp b/UserObjDefault.cpp
index 7367d6d..b2f545d 100644
--- a/UserObjDefault.cpp
+++ b/UserObjDefault.cpp
@@ -62,9 +62,9 @@ UserObjDefault::GetClassName( void) const
 
 //----------------------------------------------------------------------------
 bool
-UserObjDefault::Dump( std::string& sOut, const char* szNewLine) const
+UserObjDefault::Dump( string& sOut, bool bMM, const char* szNewLine) const
 {
-   sOut += "UserObj " + m_sName + szNewLine ;
+   sOut += "UserObj " + m_sName + "[mm]" + szNewLine ;
    sOut += "Id=" + ToString( m_nOwnerId) + szNewLine ;
    for ( size_t i = 0 ; i < m_vData.size() ; ++ i)
       sOut += m_vData[i] + szNewLine ;
diff --git a/UserObjDefault.h b/UserObjDefault.h
index 70a1169..1c1005e 100644
--- a/UserObjDefault.h
+++ b/UserObjDefault.h
@@ -22,7 +22,7 @@ class UserObjDefault : public IUserObj
       virtual UserObjDefault* Clone( void) const ;
       virtual bool IsDefault( void) const { return true ; }
       virtual const std::string& GetClassName( void) const ;
-      virtual bool Dump( std::string& sOut, const char* szNewLine = "\n") const ;
+      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) ;
diff --git a/VolZmap.cpp b/VolZmap.cpp
index 203b43d..e7efa67 100644
--- a/VolZmap.cpp
+++ b/VolZmap.cpp
@@ -82,7 +82,7 @@ VolZmap::GetTitle( void) const
 
 //----------------------------------------------------------------------------
 bool
-VolZmap::Dump( string& sOut, const char* szNewLine) const
+VolZmap::Dump( string& sOut, bool bMM, const char* szNewLine) const
 {
    return false ;
 }
diff --git a/VolZmap.h b/VolZmap.h
index 191e45c..ef18058 100644
--- a/VolZmap.h
+++ b/VolZmap.h
@@ -29,7 +29,7 @@ class VolZmap : public IVolZmap, public IGeoObjRW
       virtual bool IsValid( void) const
                       { return ( m_nStatus == OK) ; }
       virtual const std::string& GetTitle( void) const ;
-      virtual bool Dump( std::string& sOut, const char* szNewLine = "\n") const ;
+      virtual bool Dump( std::string& sOut, bool bMM = true, const char* szNewLine = "\n") const ;
       virtual bool GetLocalBBox( BBox3d& b3Loc, int nFlag = BBF_STANDARD) const ;
       virtual bool GetBBox( const Frame3d& frRef, BBox3d& b3Ref, int nFlag = BBF_STANDARD) const ;
       virtual bool Translate( const Vector3d& vtMove) ;