Index: DamEngine/trunk/src/Deltares.DamEngine.Data/Geometry/GeometryGenerator.cs
===================================================================
diff -u -r4184 -r4185
--- DamEngine/trunk/src/Deltares.DamEngine.Data/Geometry/GeometryGenerator.cs	(.../GeometryGenerator.cs)	(revision 4184)
+++ DamEngine/trunk/src/Deltares.DamEngine.Data/Geometry/GeometryGenerator.cs	(.../GeometryGenerator.cs)	(revision 4185)
@@ -40,7 +40,7 @@
 
 //        private readonly List<GeometryCurve> intersectedCurveList = new List<GeometryCurve>();
     private readonly List<GeometrySurface> newlyDetectedSurfaceList = new List<GeometrySurface>();
-    private readonly Routines2D routines2D = new Routines2D();
+
     /// <summary>
     /// Regenerates the geometry.
     /// </summary>
@@ -451,7 +451,7 @@
                             point4.X = attachedCurveList[index2].GetEndPoint().X;
                             point4.Z = attachedCurveList[index2].GetEndPoint().Z;
 
-                            double angle = routines2D.FindAngle(point1, point2, point3, point4);
+                            double angle = Routines2D.FindAngle(point1, point2, point3, point4);
 
                             if (angle < minAngle)
                             {
@@ -848,7 +848,7 @@
             // check if it is an inner loop
             for (var innerIndex = 0; innerIndex < newPointCount; innerIndex++)
             {
-                PointInPolygon location = routines2D.CheckIfPointIsInPolygon(loop, newPolygon[innerIndex].X, newPolygon[innerIndex].Z);
+                PointInPolygon location = Routines2D.CheckIfPointIsInPolygon(loop, newPolygon[innerIndex].X, newPolygon[innerIndex].Z);
 
                 if (location == PointInPolygon.InsidePolygon)
                 {
@@ -863,7 +863,7 @@
             // check if it has an inner loop
             for (var innerIndex1 = 0; innerIndex1 < existingLoopPointCount; innerIndex1++)
             {
-                PointInPolygon location = routines2D.CheckIfPointIsInPolygon(newLoop, polygon[innerIndex1].X, polygon[innerIndex1].Z);
+                PointInPolygon location = Routines2D.CheckIfPointIsInPolygon(newLoop, polygon[innerIndex1].X, polygon[innerIndex1].Z);
 
                 if (location == PointInPolygon.InsidePolygon)
                 {