diff --git a/EGkCalcPocketing.h b/EGkCalcPocketing.h
index 211e440..cbef0d1 100644
--- a/EGkCalcPocketing.h
+++ b/EGkCalcPocketing.h
@@ -26,12 +26,14 @@
 
 //-----------------------------------------------------------------------------
 // Per calcolo percorso di Svuotatura o di Lucidatura
-EGK_EXPORT bool CalcPocketing( const ISurfFlatRegion* pSfr, double dRad, double dRadOffs, double dStep,
+EGK_EXPORT bool CalcPocketing( const ISurfFlatRegion* pSfr, double dRad, double dRadialOffs, double dStep,
                                double dAngle, double dOpenMinSafe, int nType, bool bSmooth, bool bCalcUnclReg, bool bInvert, bool bAvoidOpt,
                                bool bAllowZigZagOneWayBorders, bool bCalcFeed, const Point3d& ptEndPrec, const ISurfFlatRegion* pSfrLimit,
                                bool bAllOffs, double dMaxOptSize,
                                int nLiType, double dLiTang, double dLiElev, int nLoType, double dLoTang,
                                bool bPolishing, double dEpicyclesRad, double dEpicyclesDist, ICRVCOMPOPOVECTOR& vCrv) ;
+EGK_EXPORT bool IsPocketingHole( const ISurfFlatRegion* pSfr, double dRad, double dRadialOffs, double dStep, int nType,
+                                 int nLiType, double dLiTang, double dRatioSfrTool) ;
 EGK_EXPORT bool CalcSmoothCurve( ICurveComposite* pCrv, double dRightLen, double dLeftLen, bool bAsParam) ;
 EGK_EXPORT bool CalcZigZagInfill( const ISurfFlatRegion* pSfr, double dStep, bool bSmooth, bool bRemoveOverlapLink,
                                   ICRVCOMPOPOVECTOR& vCrvCompoRes) ;