Index: DamEngine/trunk/src/Deltares.DamEngine.Calculators/DikesDesign/SurfaceLineSlopeAdapter.cs
===================================================================
diff -u -r4000 -r4052
--- DamEngine/trunk/src/Deltares.DamEngine.Calculators/DikesDesign/SurfaceLineSlopeAdapter.cs	(.../SurfaceLineSlopeAdapter.cs)	(revision 4000)
+++ DamEngine/trunk/src/Deltares.DamEngine.Calculators/DikesDesign/SurfaceLineSlopeAdapter.cs	(.../SurfaceLineSlopeAdapter.cs)	(revision 4052)
@@ -27,91 +27,90 @@
 using Deltares.DamEngine.Data.Standard;
 using Deltares.DamEngine.Data.Standard.Validation;
 
-namespace Deltares.DamEngine.Calculators.DikesDesign
+namespace Deltares.DamEngine.Calculators.DikesDesign;
+
+/// <summary>
+/// Class for adapting the slope of a surfaceline
+/// </summary>
+public class SurfaceLineSlopeAdapter : SurfaceLineAdapter
 {
     /// <summary>
-    /// Class for adapting the slope of a surfaceline
+    /// Initializes a new instance of the <see cref="SurfaceLineSlopeAdapter"/> class.
     /// </summary>
-    public class SurfaceLineSlopeAdapter : SurfaceLineAdapter
+    /// <param name="surfaceLine"></param>
+    /// <param name="location"></param>
+    /// <param name="scenarioPolderLevel"></param>
+    public SurfaceLineSlopeAdapter(SurfaceLine2 surfaceLine, Location location, double scenarioPolderLevel)
+        : base(surfaceLine, location, scenarioPolderLevel) {}
+
+    /// <summary>
+    /// Constructs a new surface line with an adjusted slope
+    /// Adapt slope by moving the toe of the dike horizontally with deltaXAtToeOfSlope
+    /// </summary>
+    /// <remarks>
+    /// </remarks>
+    /// <param name="deltaXAtToeOfSlope">The offset to shift to the right</param>
+    /// <returns>The adapted surface line</returns>
+    public SurfaceLine2 ConstructNewSurfaceLine(double deltaXAtToeOfSlope)
     {
-        /// <summary>
-        /// Initializes a new instance of the <see cref="SurfaceLineSlopeAdapter"/> class.
-        /// </summary>
-        /// <param name="surfaceLine"></param>
-        /// <param name="location"></param>
-        /// <param name="scenarioPolderLevel"></param>
-        public SurfaceLineSlopeAdapter(SurfaceLine2 surfaceLine, Location location, double scenarioPolderLevel)
-            : base(surfaceLine, location, scenarioPolderLevel) {}
+        ThrowHelper.ThrowWhenConditionIsTrue<SurfaceLineAdapterException>("deltaXAtToeOfSlope should be >= 0.0", () => deltaXAtToeOfSlope < 0.0);
+        GeometryPoint dikeTopAtPolder = surfaceLine.CharacteristicPoints.GetGeometryPoint(CharacteristicPointType.DikeTopAtPolder);
+        GeometryPoint dikeToeAtPolder = surfaceLine.CharacteristicPoints.GetGeometryPoint(CharacteristicPointType.DikeToeAtPolder);
+        GeometryPoint dikeBaseInside = surfaceLine.HasShoulderInside() ? surfaceLine.CharacteristicPoints.GetGeometryPoint(CharacteristicPointType.ShoulderBaseInside) : dikeToeAtPolder;
+        double slopeTangent = (dikeTopAtPolder.Z - dikeBaseInside.Z) /
+                              (dikeBaseInside.X + deltaXAtToeOfSlope - dikeTopAtPolder.X);
 
-        /// <summary>
-        /// Constructs a new surface line with an adjusted slope
-        /// Adapt slope by moving the toe of the dike horizontally with deltaXAtToeOfSlope
-        /// </summary>
-        /// <remarks>
-        /// </remarks>
-        /// <param name="deltaXAtToeOfSlope">The offset to shift to the right</param>
-        /// <returns>The adapted surface line</returns>
-        public SurfaceLine2 ConstructNewSurfaceLine(double deltaXAtToeOfSlope)
-        {
-            ThrowHelper.ThrowWhenConditionIsTrue<SurfaceLineAdapterException>("deltaXAtToeOfSlope should be >= 0.0", () => deltaXAtToeOfSlope < 0.0);
-            GeometryPoint dikeTopAtPolder = surfaceLine.CharacteristicPoints.GetGeometryPoint(CharacteristicPointType.DikeTopAtPolder);
-            GeometryPoint dikeToeAtPolder = surfaceLine.CharacteristicPoints.GetGeometryPoint(CharacteristicPointType.DikeToeAtPolder);
-            GeometryPoint dikeBaseInside = surfaceLine.HasShoulderInside() ? surfaceLine.CharacteristicPoints.GetGeometryPoint(CharacteristicPointType.ShoulderBaseInside) : dikeToeAtPolder;
-            double slopeTangent = (dikeTopAtPolder.Z - dikeBaseInside.Z) /
-                                  (dikeBaseInside.X + deltaXAtToeOfSlope - dikeTopAtPolder.X);
+        ConstructNewSurfaceLineBySlope(slopeTangent);
 
-            ConstructNewSurfaceLineBySlope(slopeTangent);
+        return surfaceLine;
+    }
 
-            return surfaceLine;
+    /// <summary>
+    /// Constructs a new surface line with an adjusted slope
+    /// Adapt slope by changing the slope to the specified slopeTangent
+    /// The top of the dike will remain in place and the te of the dike will be moved
+    /// </summary>
+    /// <param name="slopeTangent"></param>
+    /// <returns></returns>
+    public SurfaceLine2 ConstructNewSurfaceLineBySlope(double slopeTangent)
+    {
+        ThrowHelper.ThrowWhenConditionIsTrue<SurfaceLineAdapterException>("Slopetangent should be >= 0.0", () => slopeTangent < 0.0);
+        // the given surface line must be valid to begin with.
+        ValidationResult validationError = surfaceLine.Validate().FirstOrDefault(vr => vr.MessageType == ValidationResultType.Error);
+        if (validationError != null)
+        {
+            throw new SurfaceLineException(validationError.Text);
         }
 
-        /// <summary>
-        /// Constructs a new surface line with an adjusted slope
-        /// Adapt slope by changing the slope to the specified slopeTangent
-        /// The top of the dike will remain in place and the te of the dike will be moved
-        /// </summary>
-        /// <param name="slopeTangent"></param>
-        /// <returns></returns>
-        public SurfaceLine2 ConstructNewSurfaceLineBySlope(double slopeTangent)
+        double orgMaxX = surfaceLine.Geometry.GetMaxX();
+        if (double.IsNaN(orgMaxX))
         {
-            ThrowHelper.ThrowWhenConditionIsTrue<SurfaceLineAdapterException>("Slopetangent should be >= 0.0", () => slopeTangent < 0.0);
-            // the given surface line must be valid to begin with.
-            ValidationResult validationError = surfaceLine.Validate().FirstOrDefault(vr => vr.MessageType == ValidationResultType.Error);
-            if (validationError != null)
-            {
-                throw new SurfaceLineException(validationError.Text);
-            }
+            orgMaxX = double.MaxValue;
+        }
 
-            double orgMaxX = surfaceLine.Geometry.GetMaxX();
-            if (double.IsNaN(orgMaxX))
-            {
-                orgMaxX = double.MaxValue;
-            }
+        GeometryPoint dikeTopAtPolder = surfaceLine.CharacteristicPoints.GetGeometryPoint(CharacteristicPointType.DikeTopAtPolder);
+        GeometryPoint dikeToeAtPolder = surfaceLine.CharacteristicPoints.GetGeometryPoint(CharacteristicPointType.DikeToeAtPolder);
+        GeometryPoint dikeBaseInside = surfaceLine.HasShoulderInside() ? surfaceLine.CharacteristicPoints.GetGeometryPoint(CharacteristicPointType.ShoulderBaseInside) : dikeToeAtPolder;
+        // Remove points on inside slope
+        surfaceLine.RemoveSegmentBetween(dikeTopAtPolder.X, dikeBaseInside.X);
+        // Store the ditch (if any)
+        DitchDefinition? ditchDefinition = GetDitchDefinition();
+        // Delete the ditch from the surfaceline (if any)
+        RemoveExistingDitch(ditchDefinition);
+        // Adjust for the new slope
+        ReplaceBaseInsideForNewSlope(dikeTopAtPolder, slopeTangent);
+        // Restore Ditch (if any)
+        RestoreDitch(ditchDefinition);
+        // Check whether the surface line is extended. This is not allowed!
+        if (surfaceLine.Geometry.GetMaxX() > orgMaxX)
+        {
+            throw new SurfaceLineAdapterException(Resources.SurfaceLineShoulderAdapterNewShoulderHeightTooLargeError);
+        }
 
-            GeometryPoint dikeTopAtPolder = surfaceLine.CharacteristicPoints.GetGeometryPoint(CharacteristicPointType.DikeTopAtPolder);
-            GeometryPoint dikeToeAtPolder = surfaceLine.CharacteristicPoints.GetGeometryPoint(CharacteristicPointType.DikeToeAtPolder);
-            GeometryPoint dikeBaseInside = surfaceLine.HasShoulderInside() ? surfaceLine.CharacteristicPoints.GetGeometryPoint(CharacteristicPointType.ShoulderBaseInside) : dikeToeAtPolder;
-            // Remove points on inside slope
-            surfaceLine.RemoveSegmentBetween(dikeTopAtPolder.X, dikeBaseInside.X);
-            // Store the ditch (if any)
-            DitchDefinition? ditchDefinition = GetDitchDefinition();
-            // Delete the ditch from the surfaceline (if any)
-            RemoveExistingDitch(ditchDefinition);
-            // Adjust for the new slope
-            ReplaceBaseInsideForNewSlope(dikeTopAtPolder, slopeTangent);
-            // Restore Ditch (if any)
-            RestoreDitch(ditchDefinition);
-            // Check whether the surface line is extended. This is not allowed!
-            if (surfaceLine.Geometry.GetMaxX() > orgMaxX)
-            {
-                throw new SurfaceLineAdapterException(Resources.SurfaceLineShoulderAdapterNewShoulderHeightTooLargeError);
-            }
+        // Restore traffic load
+        RestoreTrafficLoad();
+        surfaceLine.SortPoints();
 
-            // Restore traffic load
-            RestoreTrafficLoad();
-            surfaceLine.SortPoints();
-
-            return surfaceLine;
-        }
+        return surfaceLine;
     }
 }
\ No newline at end of file