diff --git a/EGkVolZmap.h b/EGkVolZmap.h
index cfc8b89..6b02796 100644
--- a/EGkVolZmap.h
+++ b/EGkVolZmap.h
@@ -17,6 +17,7 @@
 #include "/EgtDev/Include/EGkPolyLine.h"
 #include "/EgtDev/Include/EGkCurveComposite.h"
 #include "/EgtDev/Include/EGkSurfFlatRegion.h"
+#include "/EgtDev/Include/EGkSurfTriMesh.h"
 #include "/EgtDev/Include/EGkTriangle3d.h"
 
 
@@ -25,8 +26,9 @@ class __declspec( novtable) IVolZmap : public IGeoObj
 {
    public :
       virtual bool CopyFrom( const IGeoObj* pGObjSrc) = 0 ;
-      virtual bool CreateMap( const Point3d& ptO, double dDimX, double dDimY, double dDimZ, double dPrec) = 0 ;
-      virtual bool CreateMapFromFlatRegion( const ISurfFlatRegion& Surf, double dDimZ, double dPrec) = 0 ;
+      virtual bool Create( const Point3d& ptO, double dDimX, double dDimY, double dDimZ, double dPrec) = 0 ;
+      virtual bool CreateFromFlatRegion( const ISurfFlatRegion& Surf, double dDimZ, double dPrec) = 0 ;
+      virtual bool CreateFromTriMesh( const ISurfTriMesh& Surf, double dPrec) = 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 ;
@@ -35,8 +37,8 @@ class __declspec( novtable) IVolZmap : public IGeoObj
                                double dH, double dR, double dTipH, double dTipR, double dCornR) = 0 ;
       virtual bool SetGenTool( const std::string& sToolName, const ICurveComposite* pToolOutline) = 0 ;
       virtual bool MillingStep( const Point3d& ptPs, const Vector3d& vtDs, const Point3d& ptPe, const 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 ;
+      virtual bool GetDepth( const Point3d& ptP, const Vector3d& vtDir, double& dInLength, double& dOutLength) = 0 ;
+      virtual bool AvoidBox( const Frame3d& frBox, const Vector3d& vtDiag) = 0 ;
 } ;
 
 //-----------------------------------------------------------------------------
diff --git a/EXeExecutor.h b/EXeExecutor.h
index 246796f..92bcb17 100644
--- a/EXeExecutor.h
+++ b/EXeExecutor.h
@@ -260,6 +260,7 @@ EXE_EXPORT int  ExeCreateSurfTmBySewing( int nParentId, const INTVECTOR& vIds, b
 EXE_EXPORT int  ExeCreateVolZmap( int nParentId, const Point3d& ptIni,
                                   double dDimX, double dDimY, double dDimZ, double dPrec, int nRefType) ;
 EXE_EXPORT int  ExeCreateVolZmapByRegionExtrusion( int nParentId, int nSfrId, double dDimZ, double dPrec) ;
+EXE_EXPORT int  ExeCreateVolZmapFromSurfTm( int nParentId, int nStmId, double dPrec) ;
 
 // GeomDB PartLayer
 EXE_EXPORT bool ExeIsPart( int nPartId) ;
@@ -457,6 +458,9 @@ EXE_EXPORT int  ExeExtractSurfTmFacetLoops( int nId, int nFacet, int nDestGrpId,
 EXE_EXPORT bool ExeVolZmapSetStdTool( int nId, const std::string& sToolName, double dLen, double dDiam, double dCornR) ;
 EXE_EXPORT bool ExeVolZmapMillingStep( int nId, const Point3d& ptPs, const Vector3d& vtDs,
                                                 const Point3d& ptPe, const Vector3d& vtD, int nRefTypee) ;
+EXE_EXPORT bool ExeVolZmapGetDepth( int nId, const Point3d& ptP, const Vector3d& vtDir, int nRefType,
+                                    double& dInLen, double& dOutLen) ;
+EXE_EXPORT bool ExeVolZmapAvoidBox( int nId, const Frame3d& frBox, const Vector3d& vtDiag, int nRefType) ;
 
 // Geo Snap Vector/Point/Frame
 EXE_EXPORT bool ExeStartPoint( int nId, int nRefId, Point3d& ptP) ;
diff --git a/EgtNumUtils.h b/EgtNumUtils.h
new file mode 100644
index 0000000..e63169c
--- /dev/null
+++ b/EgtNumUtils.h
@@ -0,0 +1,28 @@
+//----------------------------------------------------------------------------
+//  EgalTech 2016-2016
+//----------------------------------------------------------------------------
+// File : EgtNumBase.h       Data : 05.11.16         Versione : 1.6w1
+// Contenuto : Funzioni numeriche di base.       
+//
+//
+//
+// Modifiche : 05.11.16 DS Creazione modulo.
+//
+//
+//----------------------------------------------------------------------------
+
+#pragma once
+
+//----------------------------------------------------------------------------
+inline
+int Clamp( int nVal, int nMin, int nMax)
+{
+   return ( nVal <= nMin ? nMin : nVal >= nMax ? nMax : nVal) ;
+}
+
+//----------------------------------------------------------------------------
+inline
+double Clamp( double dVal, double dMin, double dMax)
+{
+   return ( dVal <= dMin ? dMin : dVal >= dMax ? dMax : dVal) ;
+}