diff --git a/EGkIntersLineSurfTm.h b/EGkIntersLineSurfTm.h
index 2aa5250..cdfbe9a 100644
--- a/EGkIntersLineSurfTm.h
+++ b/EGkIntersLineSurfTm.h
@@ -45,8 +45,5 @@ struct IntLinStmInfo {
 typedef std::vector<IntLinStmInfo>  ILSIVECTOR ;
  
 //-----------------------------------------------------------------------------
-// Per ora si considerano solo intersezioni semplici, ovvero che attraversano la superficie.
-//EGK_EXPORT int IntersLineSurfTm( const Point3d& ptL1, const Point3d& ptL2, const Triangle3d& trTria,
-//                               Point3d& ptInt) ;
 EGK_EXPORT bool IntersLineSurfTm( const Point3d& ptL, const Vector3d& vtL, double dLen, const ISurfTriMesh& Stm,
                                   ILSIVECTOR& vInfo) ;
diff --git a/EGkIntersLineTria.h b/EGkIntersLineTria.h
index a7e899c..3628979 100644
--- a/EGkIntersLineTria.h
+++ b/EGkIntersLineTria.h
@@ -36,4 +36,4 @@ enum IntLineTriaType { ILTT_NO = 0,            // non c'
                        ILTT_SEGM_ON_EDGE = 2,  // una parte di linea appartiene ad un lato del triangolo
                        ILTT_VERT = 3,          // intersezione coincide con un vertice
                        ILTT_EDGE = 4,          // intersezione coincide con interno di un lato
-                       ILTT_IN = 5} ;          // intersezione coincide con interno del triangolo
+                       ILTT_IN = 5} ;          // intersezione in interno del triangolo
diff --git a/EGkVolZmap.h b/EGkVolZmap.h
index 0c199b4..cfc8b89 100644
--- a/EGkVolZmap.h
+++ b/EGkVolZmap.h
@@ -16,6 +16,7 @@
 #include "/EgtDev/Include/EGkGeoObj.h"
 #include "/EgtDev/Include/EGkPolyLine.h"
 #include "/EgtDev/Include/EGkCurveComposite.h"
+#include "/EgtDev/Include/EGkSurfFlatRegion.h"
 #include "/EgtDev/Include/EGkTriangle3d.h"
 
 
@@ -24,7 +25,8 @@ class __declspec( novtable) IVolZmap : public IGeoObj
 {
    public :
       virtual bool CopyFrom( const IGeoObj* pGObjSrc) = 0 ;
-      virtual bool CreateMap( const Point3d& ptO, double dLenX, double dLenY, double dLenZ, double dPrec) = 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 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 ;
diff --git a/EXeExecutor.h b/EXeExecutor.h
index 4cd98af..c792b94 100644
--- a/EXeExecutor.h
+++ b/EXeExecutor.h
@@ -259,6 +259,7 @@ EXE_EXPORT int  ExeCreateSurfTmBySewing( int nParentId, const INTVECTOR& vIds, b
 // GeomDB Create Volume
 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) ;
 
 // GeomDB PartLayer
 EXE_EXPORT bool ExeIsPart( int nPartId) ;