diff --git a/EGkCurveAux.h b/EGkCurveAux.h
index ccfa1df..cb0cceb 100644
--- a/EGkCurveAux.h
+++ b/EGkCurveAux.h
@@ -169,5 +169,11 @@ EGK_EXPORT bool CalcFatOffsetCurves( const ICURVEPVECTOR& vpCrvs, ICURVEPOVECTOR
 //! Resetta l'oggetto voronoi associato alla curva liberandone la memoria
 EGK_EXPORT void ResetCurveVoronoi( const ICurve& crvC) ;
 
+//----------------------------------------------------------------------------
 //! fa il join delle curve passate in input
-EGK_EXPORT bool GetChainedCurves( ICRVCOMPOPOVECTOR& vCrv, double dChainTol = 5 * EPS_SMALL, bool bAllowInvert = false) ;
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+EGK_EXPORT bool GetChainedCurves( ICRVCOMPOPOVECTOR& vCrv, double dChainTol = 5 * EPS_SMALL, bool bAllowInvert = false) ;
+
+//----------------------------------------------------------------------------
+//! dato un punto su una curva trova il corrispondente sulla seconda curva
+EGK_EXPORT bool GetIsoPointOnSecondCurve( const ICurve* pCrv1, const ICurve* pCrv2, double dUCurr1, double& dUCurr2, double dMyDist, double dUPrev2,
+                                          double dLenPrev2, double& dLenCurr2, double dLen2) ;
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