Index: DamEngine/trunk/src/Deltares.DamEngine.Data/Geotechnics/SoilSurfaceProfile.cs
===================================================================
diff -u -r3259 -r3260
--- DamEngine/trunk/src/Deltares.DamEngine.Data/Geotechnics/SoilSurfaceProfile.cs	(.../SoilSurfaceProfile.cs)	(revision 3259)
+++ DamEngine/trunk/src/Deltares.DamEngine.Data/Geotechnics/SoilSurfaceProfile.cs	(.../SoilSurfaceProfile.cs)	(revision 3260)
@@ -332,19 +332,7 @@
             var pointsToConvert = xCoordinates.Select(xCoordinate => new Point2D(xCoordinate, layerTopLevel)).ToList();
             pointsToConvert.AddRange(xCoordinates.Reverse().Select(xCoordinate => new Point2D(xCoordinate, layerBottomLevel)).ToArray());
 
-            Point2D startPoint = pointsToConvert[0];
-            var curves = new List<GeometryCurve>();
-            for (int i = 1; i < pointsToConvert.Count; i++)
-            {
-                Point2D endPoint = pointsToConvert[i];
-                curves.Add(new GeometryCurve(startPoint, endPoint));
-                startPoint = endPoint;
-            }
-
-            // Close the geometry by connecting the first and last points with each other. 
-            // The loop is now closed in a clock wise fashion
-            curves.Add(new GeometryCurve(pointsToConvert.Last(), pointsToConvert.First()));
-
+            var curves = GenerateClosedLoopCurves(pointsToConvert);
             return new LayerData(pointsToConvert, curves, soilLayer.Soil, soilLayer.IsAquifer, soilLayer.WaterpressureInterpolationModel);
         }
 
@@ -433,6 +421,17 @@
                 }
             }
 
+            var curves = GenerateClosedLoopCurves(pointsToConvert);
+            return new LayerData(pointsToConvert, curves, soilLayer.Soil, soilLayer.IsAquifer, soilLayer.WaterpressureInterpolationModel);
+        }
+
+        /// <summary>
+        /// Generates curves that define a clockwise closed loop based on a collection of points.
+        /// </summary>
+        /// <param name="pointsToConvert">The collection points to generate a curve collection for.</param>
+        /// <returns>A collection of <see cref="GeometryCurve"/>.</returns>
+        private static IEnumerable<GeometryCurve> GenerateClosedLoopCurves(List<Point2D> pointsToConvert)
+        {
             Point2D startPoint = pointsToConvert[0];
             var curves = new List<GeometryCurve>();
             for (int i = 1; i < pointsToConvert.Count; i++)
@@ -445,8 +444,7 @@
             // Close the geometry by connecting the first and last points with each other
             // This closes the outer loop in a clockwise definition.
             curves.Add(new GeometryCurve(pointsToConvert.Last(), pointsToConvert.First()));
-
-            return new LayerData(pointsToConvert, curves, soilLayer.Soil, soilLayer.IsAquifer, soilLayer.WaterpressureInterpolationModel);
+            return curves;
         }
 
         /// <summary>