Index: DamEngine/trunk/src/Deltares.DamEngine.Data/Geometry/LineHelper.cs
===================================================================
diff -u -r4540 -r4897
--- DamEngine/trunk/src/Deltares.DamEngine.Data/Geometry/LineHelper.cs	(.../LineHelper.cs)	(revision 4540)
+++ DamEngine/trunk/src/Deltares.DamEngine.Data/Geometry/LineHelper.cs	(.../LineHelper.cs)	(revision 4897)
@@ -30,8 +30,6 @@
 /// </summary>
 public class LineHelper
 {
-    private readonly Routines2D routines2D = new Routines2D();
-
     /// <summary>
     /// Calculate intersection between two lines (strict interpolation)
     /// </summary>
@@ -47,7 +45,7 @@
         var point4 = new Point2D(line2.EndPoint.X, line2.EndPoint.Z);
 
         Point2D ip;
-        LineIntersection res = routines2D.DetermineIf2DLinesIntersectStrickly(point1, point2, point3,
+        LineIntersection res = Routines2D.DetermineIf2DLinesIntersectStrickly(point1, point2, point3,
                                                                               point4, out ip);
         if (ip != null)
         {
@@ -148,7 +146,7 @@
     /// <returns></returns>
     private List<Point2D> Intersect_Circle_line(double xm, double ym, double r, Line line)
     {
-        return routines2D.IntersectCircleline(xm, ym, r, line.BeginPoint.X, line.EndPoint.X, line.BeginPoint.Z, line.EndPoint.Z);
+        return Routines2D.IntersectCircleline(xm, ym, r, line.BeginPoint.X, line.EndPoint.X, line.BeginPoint.Z, line.EndPoint.Z);
     }
 
     /// <summary>
@@ -168,7 +166,7 @@
         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);
+        Routines2D.DetermineIf2DLinesIntersectWithExtrapolation(point1, point2, point3, point4, out Point2D ip);
         if (ip != null)
         {
             intersectPoint = new GeometryPoint(ip.X, ip.Z);