Index: DamEngine/trunk/src/Deltares.DamEngine.Data/Geometry/LineHelper.cs
===================================================================
diff -u -r5936 -r5982
--- DamEngine/trunk/src/Deltares.DamEngine.Data/Geometry/LineHelper.cs	(.../LineHelper.cs)	(revision 5936)
+++ DamEngine/trunk/src/Deltares.DamEngine.Data/Geometry/LineHelper.cs	(.../LineHelper.cs)	(revision 5982)
@@ -19,9 +19,7 @@
 // Stichting Deltares and remain full property of Stichting Deltares at all times.
 // All rights reserved.
 
-using System;
 using System.Collections.Generic;
-using System.Linq;
 
 namespace Deltares.DamEngine.Data.Geometry;
 
@@ -31,13 +29,13 @@
 public static class LineHelper
 {
     /// <summary>
-    /// Calculate intersection between two lines (strict interpolation)
+    /// Determine intersection between two lines (strict interpolation)
     /// </summary>
     /// <param name="line1"></param>
     /// <param name="line2"></param>
     /// <param name="intersectPoint"></param>
     /// <returns></returns>
-    public static bool GetStrictIntersectionPoint(Line line1, Line line2, ref GeometryPoint intersectPoint)
+    public static bool DetermineStrictIntersectionPoint(Line line1, Line line2, ref GeometryPoint intersectPoint)
     {
         var point1 = new Point2D(line1.BeginPoint.X, line1.BeginPoint.Z);
         var point2 = new Point2D(line1.EndPoint.X, line1.EndPoint.Z);
@@ -56,7 +54,7 @@
         return res == LineIntersection.Intersects;
     }
     
-    public static GeometryPoint GetIntersectionPointWithExtrapolation(GeometryPoint p1, GeometryPoint p2, GeometryPoint p3, GeometryPoint p4)
+    public static GeometryPoint DetermineIntersectionPointWithExtrapolation(GeometryPoint p1, GeometryPoint p2, GeometryPoint p3, GeometryPoint p4)
     {
         return IntersectionPointWithExtrapolation(p1, p2, p3, p4);
     }
Index: DamEngine/trunk/src/Deltares.DamEngine.Calculators/DikesDesign/SurfaceLineShoulderAdapter.cs
===================================================================
diff -u -r5936 -r5982
--- DamEngine/trunk/src/Deltares.DamEngine.Calculators/DikesDesign/SurfaceLineShoulderAdapter.cs	(.../SurfaceLineShoulderAdapter.cs)	(revision 5936)
+++ DamEngine/trunk/src/Deltares.DamEngine.Calculators/DikesDesign/SurfaceLineShoulderAdapter.cs	(.../SurfaceLineShoulderAdapter.cs)	(revision 5982)
@@ -123,7 +123,7 @@
         GeometryPoint dikeBaseInside = hasShoulderInside ? surfaceLine.CharacteristicPoints.GetGeometryPoint(CharacteristicPointType.ShoulderBaseInside) : dikeToeAtPolder;
         // Determine intersectionpoint with slope for a horizontal shoulder
         GeometryPoint intersectionPointAtDike;
-        intersectionPointAtDike = LineHelper.GetIntersectionPointWithExtrapolation(dikeTopAtPolder, dikeBaseInside,
+        intersectionPointAtDike = LineHelper.DetermineIntersectionPointWithExtrapolation(dikeTopAtPolder, dikeBaseInside,
                                                                                    new GeometryPoint(dikeToeAtPolder.X, shoulderHeight + dikeToeZ),
                                                                                    new GeometryPoint(dikeToeAtPolder.X + 1, shoulderHeight + dikeToeZ));
         var newTopShoulder = new GeometryPoint(intersectionPointAtDike.X + shoulderLength, shoulderHeight + dikeToeZ);
@@ -133,7 +133,7 @@
             // from the horizontal intersection point. This will result in the actual width of the shoulder being a bit 
             // larger than the requested size but that can not be helped (classic chicken-egg problem)
             var pb = new GeometryPoint(newTopShoulder.X - 100, newTopShoulder.Z + (100 * Location.NewShoulderTopSlope));
-            intersectionPointAtDike = LineHelper.GetIntersectionPointWithExtrapolation(dikeTopAtPolder, dikeBaseInside, pb, newTopShoulder);
+            intersectionPointAtDike = LineHelper.DetermineIntersectionPointWithExtrapolation(dikeTopAtPolder, dikeBaseInside, pb, newTopShoulder);
             if (intersectionPointAtDike.Z > MaxShoulderLevel)
             {
                 throw new SurfaceLineAdapterException(Resources.SurfaceLineShoulderAdapterNewShoulderHeightTooLargeTopSlopeError);
Index: DamEngine/trunk/src/Deltares.DamEngine.Calculators/PlLinesCreator/PlLinesCreator.cs
===================================================================
diff -u -r5981 -r5982
--- DamEngine/trunk/src/Deltares.DamEngine.Calculators/PlLinesCreator/PlLinesCreator.cs	(.../PlLinesCreator.cs)	(revision 5981)
+++ DamEngine/trunk/src/Deltares.DamEngine.Calculators/PlLinesCreator/PlLinesCreator.cs	(.../PlLinesCreator.cs)	(revision 5982)
@@ -1422,7 +1422,7 @@
                                                          new Point2D(SurfaceLine.Geometry.Points[indexatDitchPolder].X, SurfaceLine.Geometry.Points[indexatDitchPolder].Z));
 
                 var intersectDitchPolderPhreatic = new GeometryPoint();
-                if (LineHelper.GetStrictIntersectionPoint(lineDitchPolderSide, phreaticPolderPartialLine, ref intersectDitchPolderPhreatic))
+                if (LineHelper.DetermineStrictIntersectionPoint(lineDitchPolderSide, phreaticPolderPartialLine, ref intersectDitchPolderPhreatic))
                 {
                     phreaticLine.Points.Add(new PlLinePoint(intersectDitchPolderPhreatic.X, intersectDitchPolderPhreatic.Z));
                 }
@@ -1455,7 +1455,7 @@
                                                    new Point2D(SurfaceLine.Geometry.Points[surfacePointIndex + 1].X, SurfaceLine.Geometry.Points[surfacePointIndex + 1].Z));
 
             var intersectDitchDikePhreatic = new GeometryPoint();
-            if (LineHelper.GetStrictIntersectionPoint(lineDitchDikeSide, phreaticPolderPartialLine, ref intersectDitchDikePhreatic))
+            if (LineHelper.DetermineStrictIntersectionPoint(lineDitchDikeSide, phreaticPolderPartialLine, ref intersectDitchDikePhreatic))
             {
                 phreaticLine.Points.Add(new PlLinePoint(intersectDitchDikePhreatic.X, intersectDitchDikePhreatic.Z));
             }
@@ -1490,7 +1490,7 @@
                                                                 SurfaceLine.Geometry.Points[surfacePointIndex - 1].Z), new Point2D(SurfaceLine.Geometry.Points[surfacePointIndex].X,
                                                                                                                                    SurfaceLine.Geometry.Points[surfacePointIndex].Z));
             var intersectPoint = new GeometryPoint();
-            if (LineHelper.GetStrictIntersectionPoint(surfaceLineSegment, polderlevelLine, ref intersectPoint))
+            if (LineHelper.DetermineStrictIntersectionPoint(surfaceLineSegment, polderlevelLine, ref intersectPoint))
             {
                 return new PlLinePoint(intersectPoint.X, intersectPoint.Z);
             }
@@ -1533,7 +1533,7 @@
                         new Point2D(SurfaceLine.Geometry.Points[surfacePointIndex + 1].X, SurfaceLine.Geometry.Points[surfacePointIndex + 1].Z));
                     var intersectGeoPoint = new GeometryPoint();
                     var intersectPoint = new Point2D();
-                    if (LineHelper.GetStrictIntersectionPoint(phreaticLineSegment, surfaceLineSegment, ref intersectGeoPoint))
+                    if (LineHelper.DetermineStrictIntersectionPoint(phreaticLineSegment, surfaceLineSegment, ref intersectGeoPoint))
                     {
                         intersectPoint.X = intersectGeoPoint.X;
                         intersectPoint.Z = intersectGeoPoint.Z;
@@ -1771,7 +1771,7 @@
             PlLinePoint endPl1 = currentPl1Line.Points.Find(p => p.X.IsGreaterThanOrEqualTo(currentPoint.X, toleranceAlmostEquals));
             PlLinePoint beginPl1 = currentPl1Line.Points.Find(p => p.X.IsLessThan(currentPoint.X, toleranceAlmostEquals));
             phreaticPolderPartialLine.SetBeginAndEndPoints(new Point2D(beginPl1.X, beginPl1.Z), new Point2D(endPl1.X, endPl1.Z));
-            if (LineHelper.GetStrictIntersectionPoint(surfaceLineSegment, phreaticPolderPartialLine, ref intersectionDitchPl1))
+            if (LineHelper.DetermineStrictIntersectionPoint(surfaceLineSegment, phreaticPolderPartialLine, ref intersectionDitchPl1))
             {
                 return true;
             }
Index: DamEngine/trunk/src/Deltares.DamEngine.Calculators/DikesDesign/SurfaceLineHeightAdapter.cs
===================================================================
diff -u -r5936 -r5982
--- DamEngine/trunk/src/Deltares.DamEngine.Calculators/DikesDesign/SurfaceLineHeightAdapter.cs	(.../SurfaceLineHeightAdapter.cs)	(revision 5936)
+++ DamEngine/trunk/src/Deltares.DamEngine.Calculators/DikesDesign/SurfaceLineHeightAdapter.cs	(.../SurfaceLineHeightAdapter.cs)	(revision 5982)
@@ -69,7 +69,7 @@
                 X = pointAtTopRiver.X + 100,
                 Z = pointAtTopRiver.Z + 100 * Location.NewDikeSlopeOutside
             };
-            newPointAtTopRiver = LineHelper.GetIntersectionPointWithExtrapolation(pointAtTopRiver, newOutsideSlopePoint,
+            newPointAtTopRiver = LineHelper.DetermineIntersectionPointWithExtrapolation(pointAtTopRiver, newOutsideSlopePoint,
                                                                                   new GeometryPoint(pointAtTopRiver.X, newDikeHeight),
                                                                                   new GeometryPoint(pointAtTopPolder.X, newDikeHeight));
             oldPointAtTopRiver = new GeometryPoint
@@ -80,7 +80,7 @@
         }
         else
         {
-            newPointAtTopRiver = LineHelper.GetIntersectionPointWithExtrapolation(startingPoint, pointAtTopRiver,
+            newPointAtTopRiver = LineHelper.DetermineIntersectionPointWithExtrapolation(startingPoint, pointAtTopRiver,
                                                                                   new GeometryPoint(pointAtTopRiver.X, newDikeHeight),
                                                                                   new GeometryPoint(pointAtTopPolder.X, newDikeHeight));
         }
@@ -174,7 +174,7 @@
             Z = newPointAtTopPolder.Z - 100 * slopeTangent
         };
         GeometryPoint dikeTopAtPolder = surfaceLine.CharacteristicPoints.GetGeometryPoint(CharacteristicPointType.DikeTopAtPolder);
-        GeometryPoint ip = LineHelper.GetIntersectionPointWithExtrapolation(newPointAtTopPolder, newPoint,
+        GeometryPoint ip = LineHelper.DetermineIntersectionPointWithExtrapolation(newPointAtTopPolder, newPoint,
                                                                             surfaceLine.CharacteristicPoints.GetGeometryPoint(CharacteristicPointType.DikeTopAtRiver),
                                                                             dikeTopAtPolder);
         if (ip != null && ip.X <= dikeTopAtPolder.X)
Index: DamEngine/trunk/src/Deltares.DamEngine.Data/Geotechnics/SurfaceLine2Extensions.cs
===================================================================
diff -u -r5936 -r5982
--- DamEngine/trunk/src/Deltares.DamEngine.Data/Geotechnics/SurfaceLine2Extensions.cs	(.../SurfaceLine2Extensions.cs)	(revision 5936)
+++ DamEngine/trunk/src/Deltares.DamEngine.Data/Geotechnics/SurfaceLine2Extensions.cs	(.../SurfaceLine2Extensions.cs)	(revision 5982)
@@ -470,7 +470,7 @@
         GeometryPoint geometryPoint2 = line.CharacteristicPoints.GetGeometryPoint(CharacteristicPointType.DikeToeAtPolder);
         GeometryPoint p2 = line.HasShoulderInside() ? line.CharacteristicPoints.GetGeometryPoint(CharacteristicPointType.ShoulderBaseInside) : geometryPoint2;
         GeometryPoint geometryPoint3 = line.CharacteristicPoints.GetGeometryPoint(CharacteristicPointType.SurfaceLevelOutside);
-        GeometryPoint withExtrapolation = LineHelper.GetIntersectionPointWithExtrapolation(geometryPoint1, p2, shoulderTopInside, new GeometryPoint(geometryPoint3.X, shoulderTopInside.Z));
+        GeometryPoint withExtrapolation = LineHelper.DetermineIntersectionPointWithExtrapolation(geometryPoint1, p2, shoulderTopInside, new GeometryPoint(geometryPoint3.X, shoulderTopInside.Z));
         return shoulderTopInside.X - withExtrapolation.X;
     }