Index: DamEngine/trunk/src/Deltares.DamEngine.Data/Geometry/GeometryData.cs
===================================================================
diff -u -r5634 -r5635
--- DamEngine/trunk/src/Deltares.DamEngine.Data/Geometry/GeometryData.cs	(.../GeometryData.cs)	(revision 5634)
+++ DamEngine/trunk/src/Deltares.DamEngine.Data/Geometry/GeometryData.cs	(.../GeometryData.cs)	(revision 5635)
@@ -407,7 +407,7 @@
 
         IEnumerable<GeometryCurve> includedCurves = boundaryCurves.Where(geometryCurve => geometryCurve != curve && !excludedCurves.Contains(geometryCurve));
         IEnumerable<GeometryCurve> connectedCurves = includedCurves.Where(geometryCurve => AreConnected(curve, geometryCurve));
-        IEnumerable<GeometryCurve> connectedCurvesOnRightSide = connectedCurves.Where(geometryCurve => IsOnLeftSideOf(curve, geometryCurve));
+        IEnumerable<GeometryCurve> connectedCurvesOnRightSide = connectedCurves.Where(geometryCurve => IsCurveOnLeftSideOfOtherCurve(curve, geometryCurve));
         GeometryCurve topConnectedCurve = connectedCurvesOnRightSide.MaxBy(c => c.HeadPoint.Z + c.EndPoint.Z);
         return topConnectedCurve;
     }
@@ -592,7 +592,7 @@
     /// <param name="curve1"></param>
     /// <param name="curve2"></param>
     /// <returns>True when curve1 is on the left side of curve2</returns>
-    private static bool IsOnLeftSideOf(GeometryCurve curve1, GeometryCurve curve2)
+    private static bool IsCurveOnLeftSideOfOtherCurve(GeometryCurve curve1, GeometryCurve curve2)
     {
         return curve1.HeadPoint.X.IsLessThanOrEqualTo(curve2.HeadPoint.X) &&
                curve1.HeadPoint.X.IsLessThanOrEqualTo(curve2.EndPoint.X) &&