diff --git a/EGkCAvSilhouetteSurfTm.h b/EGkCAvSilhouetteSurfTm.h
index 6168150..bc11541 100644
--- a/EGkCAvSilhouetteSurfTm.h
+++ b/EGkCAvSilhouetteSurfTm.h
@@ -31,14 +31,11 @@ class __declspec( novtable) ICAvParSilhouettesSurfTm
 {
    public :
       virtual ~ICAvParSilhouettesSurfTm( void) {}
-     // generica
       virtual bool SetData( const CISURFTMPVECTOR& vpStm, const Frame3d& frPlanes, double dTol) = 0 ;
+      virtual bool SetData( const CISURFTMPVECTOR& vpStm, const Frame3d& frPlanes, double dTol,
+                            double dSideAng, double dDiam, double dCornRad, double dMaxMat, double dOffsR,
+                            double dMaxDepth) = 0 ;
       virtual bool GetSilhouette( double dLevel, POLYLINEVECTOR& vPL) = 0 ;
-     // con regione piana
-      virtual bool SetDataForRegion( const CISURFTMPVECTOR& vpStm, const ISurfFlatRegion* pSfr, double dSideAng,
-                                     double dDiam, double dCornRad, double dMaxMat, double dOffsR,
-                                     double dSampleTol = 10 * EPS_SMALL, double dSharpedAngTol = 15.) = 0 ;
-      virtual bool GetSilhouetteInsideRegion( double dLevel, POLYLINEVECTOR& vPL) = 0 ;
 } ;
 
 //-----------------------------------------------------------------------------
diff --git a/EGkCAvToolSurfTm.h b/EGkCAvToolSurfTm.h
index 140dcbe..71113d0 100644
--- a/EGkCAvToolSurfTm.h
+++ b/EGkCAvToolSurfTm.h
@@ -43,11 +43,11 @@ class __declspec( novtable) ICAvToolSurfTm {
       virtual const ICurveComposite& GetToolOutline( bool bApprox = false) const = 0 ;
       virtual bool TestPosition( const Point3d& ptT, const Vector3d& vtDir, const Vector3d& vtMove,
                                  double& dTotDist, Vector3d* pvtTriaN = nullptr) const = 0 ;
-      virtual bool TestPointAdv( const Point3d& ptT, const Vector3d& vtDir, const Vector3d& vtMove,
+      virtual bool TestPositionAdv( const Point3d& ptT, const Vector3d& vtDir, const Vector3d& vtMove,
                                  double& dTotDist, VCT3DVECTOR& vVtN) const = 0 ;
       virtual bool TestSeries( PNTUVECTOR& vPntM, const Vector3d& vtDir, const Vector3d& vtMove, double dProgCoeff = 1) = 0 ;
+      virtual bool TestSeriesAdv( PNTUVVECTVECTOR& vPntM, const Vector3d& vtDir, const Vector3d& vtMove, double dProgCoeff = 1) = 0 ;
       virtual bool TestPath( PNTULIST& lPntM, const Vector3d& vtDir, const Vector3d& vtMove, double dLinTol, double dProgCoeff = 1) = 0 ;
-      virtual bool TestPointsAdv( PNTUVVECTLIST& lPntM, const Vector3d& vtDir, const Vector3d& vtMove, double dProgCoeff = 1) = 0 ;
 } ;
 
 //-----------------------------------------------------------------------------