Index: DamEngine/trunk/src/Deltares.DamEngine.Data/Geometry/LineHelper.cs
===================================================================
diff -u -r5982 -r6087
--- DamEngine/trunk/src/Deltares.DamEngine.Data/Geometry/LineHelper.cs	(.../LineHelper.cs)	(revision 5982)
+++ DamEngine/trunk/src/Deltares.DamEngine.Data/Geometry/LineHelper.cs	(.../LineHelper.cs)	(revision 6087)
@@ -35,7 +35,7 @@
     /// <param name="line2"></param>
     /// <param name="intersectPoint"></param>
     /// <returns></returns>
-    public static bool DetermineStrictIntersectionPoint(Line line1, Line line2, ref GeometryPoint intersectPoint)
+    public static bool DetermineStrictIntersectionPoint(Line line1, Line line2, ref Point2D intersectPoint)
     {
         var point1 = new Point2D(line1.BeginPoint.X, line1.BeginPoint.Z);
         var point2 = new Point2D(line1.EndPoint.X, line1.EndPoint.Z);
@@ -54,38 +54,14 @@
         return res == LineIntersection.Intersects;
     }
     
-    public static GeometryPoint DetermineIntersectionPointWithExtrapolation(GeometryPoint p1, GeometryPoint p2, GeometryPoint p3, GeometryPoint p4)
+    public static Point2D DetermineIntersectionPointWithExtrapolation(Point2D p1, Point2D p2, Point2D p3, Point2D p4)
     {
-        return IntersectionPointWithExtrapolation(p1, p2, p3, p4);
+        Point2D intersectPoint = null;
+        Routines2D.DetermineIf2DLinesIntersectWithExtrapolation(p1, p2, p3, p4, out intersectPoint);
+        return intersectPoint;
     }
 
     /// <summary>
-    /// Determines the intersection point of two lines, allowing the intersection point being extrapolated.
-    /// </summary>
-    /// <param name="p1"></param>
-    /// <param name="p2"></param>
-    /// <param name="p3"></param>
-    /// <param name="p4"></param>
-    /// <returns>Intersection point or null (parallel lines)</returns>
-    private static GeometryPoint IntersectionPointWithExtrapolation(GeometryPoint p1, GeometryPoint p2, GeometryPoint p3, GeometryPoint p4)
-    {
-        GeometryPoint intersectPoint = null;
-
-        var point1 = new Point2D(p1.X, p1.Z);
-        var point2 = new Point2D(p2.X, p2.Z);
-        var point3 = new Point2D(p3.X, p3.Z);
-        var point4 = new Point2D(p4.X, p4.Z);
-
-        Routines2D.DetermineIf2DLinesIntersectWithExtrapolation(point1, point2, point3, point4, out Point2D ip);
-        if (ip != null)
-        {
-            intersectPoint = new GeometryPoint(ip.X, ip.Z);
-        }
-
-        return intersectPoint;
-    }
-    
-    /// <summary>
     /// Deletes the duplicated points.
     /// </summary>
     /// <param name="points">List of points</param>