diff --git a/EGkVolZmap.h b/EGkVolZmap.h
index e423f2c..0a4d897 100644
--- a/EGkVolZmap.h
+++ b/EGkVolZmap.h
@@ -15,17 +15,34 @@
 
 #include "/EgtDev/Include/EGkGeoObj.h"
 #include "/EgtDev/Include/EGkPolyLine.h"
+#include "/EgtDev/Include/EGkCurveComposite.h"
 #include "/EgtDev/Include/EGkTriangle3d.h"
 
 
 //----------------------------------------------------------------------------
 class __declspec( novtable) IVolZmap : public IGeoObj
 {
+
+// Tipi utensile
+   public :
+      enum ToolType { GenericTool = 0,                 // generico da profilo -> usare SetTool
+                      CylindricalMill = 1,             // cilindrica
+                      BallEndMill = 2,                 // sferica
+                      BullNoseMill = 3,                // naso di toro
+                      ConusMill = 4} ;                 // con parte terminale conica
+
    public :
       virtual bool CopyFrom( const IGeoObj* pGObjSrc) = 0 ;
       virtual bool CreateMap( const Point3d& ptO, double dPrec, double dLenX, double dLenY, double dLenZ) = 0 ;
       virtual bool GetAllTriangles( TRIA3DLIST& lstTria) const = 0 ;
       virtual bool GetDexelLines( int nDir, int nPos1, int nPos2, POLYLINELIST& lstPL) const = 0 ;
+      virtual bool SetTolerances( double dLinTol, double dAngTolDeg = 90) = 0 ;
+      virtual bool SetTool( const std::string& sToolName, const ICurveComposite* pToolOutline) = 0 ;
+      virtual bool SetStdTool( const std::string& sToolName, unsigned int nToolType,
+                               double dH, double dTipH, double dR, double dTipR, double dRc = 0) = 0 ;
+      virtual bool MillingStep( const Point3d& ptPs, const Point3d& ptPe, Vector3d& vtDs, Vector3d& vtDe) = 0 ;
+      virtual bool Deepness( const Point3d& ptP, const Vector3d& vtDir, double& dInLength, double& dOutLength) = 0 ;
+      virtual bool BBoxZmapIntersection( const Frame3d& frBBox, const Point3d& ptMax) = 0 ;
 } ;
 
 //-----------------------------------------------------------------------------