diff --git a/EGkCalcPocketing.h b/EGkCalcPocketing.h
index a05ac57..8701c8e 100644
--- a/EGkCalcPocketing.h
+++ b/EGkCalcPocketing.h
@@ -26,7 +26,7 @@
 
 //-----------------------------------------------------------------------------
 EGK_EXPORT bool CalcPocketing( const ISurfFlatRegion* pSfr, double dRad, double dRadOffs, double dStep, double dAngle, int nType,
-                               bool bSmooth, bool bInvert, ISurfFlatRegion* pSfrLimit, ICRVCOMPOPOVECTOR& vCrv) ;
+                               bool bSmooth, bool bInvert, bool bAvoidOpt, ISurfFlatRegion* pSfrLimit, ICRVCOMPOPOVECTOR& vCrv) ;
 EGK_EXPORT bool CalcZigZagInfill( const ISurfFlatRegion* pSfr, double dStep, bool bSmooth, bool bRemoveOverlapLink,
                                   ICRVCOMPOPOVECTOR& vCrvCompoRes) ;
 
diff --git a/EXeExecutor.h b/EXeExecutor.h
index 1ce9869..e0d05d9 100644
--- a/EXeExecutor.h
+++ b/EXeExecutor.h
@@ -747,6 +747,7 @@ EXE_EXPORT bool ExeSurfIsClosed( int nId) ;
 EXE_EXPORT bool ExeSurfVolume( int nId, double& dVol) ;
 EXE_EXPORT bool ExeSurfFrNormVersor( int nId, int nRefId, Vector3d& vtNorm) ;
 EXE_EXPORT bool ExeSurfFrGrossArea( int nId, double& dArea) ;
+EXE_EXPORT bool ExeSurfFrChunkMaxOffset( int nId, int nChunk, double& dMaxOffset) ;
 EXE_EXPORT bool ExeSurfFrTestExternal( int nId1, int nId2, double dMinDist) ;
 EXE_EXPORT int  ExeSurfFrChunkCount( int nId) ;
 EXE_EXPORT int  ExeSurfFrChunkSimpleClassify( int nId1, int nChunk1, int nId2, int nChunk2, double dToler = 0) ;