Index: DamEngine/trunk/src/Deltares.DamEngine.Calculators/KernelWrappers/MacroStabilityCommon/PlLinesToWaternetConverter.cs
===================================================================
diff -u -r4927 -r4928
--- DamEngine/trunk/src/Deltares.DamEngine.Calculators/KernelWrappers/MacroStabilityCommon/PlLinesToWaternetConverter.cs	(.../PlLinesToWaternetConverter.cs)	(revision 4927)
+++ DamEngine/trunk/src/Deltares.DamEngine.Calculators/KernelWrappers/MacroStabilityCommon/PlLinesToWaternetConverter.cs	(.../PlLinesToWaternetConverter.cs)	(revision 4928)
@@ -56,11 +56,14 @@
     /// </summary>
     /// <param name="plLines">The pl lines.</param>
     /// <param name="soilProfile1D">The 1D soil profile.</param>
+    /// <param name="surfaceLine">The points of the surface line.</param>
     /// <param name="penetrationLength">Length of the penetration.</param>
     /// <param name="xLeft">Left side of the 2D profile.</param>
     /// <param name="xRight">Right side of the 2D profile.</param>
+    /// <param name="pressureType">The type of distribution of the vertical water pressures.</param>
     /// <returns></returns>
-    public static Waternet CreateWaternetBasedOnPlLines(PlLines plLines, SoilProfile1D soilProfile1D, double penetrationLength, double xLeft, double xRight)
+    public static Waternet CreateWaternetBasedOnPlLines(PlLines plLines, SoilProfile1D soilProfile1D, GeometryPointString surfaceLine, 
+                                                        double penetrationLength, double xLeft, double xRight, IntrusionVerticalWaterPressureType? pressureType)
     {
         ThrowWhenPlLinesIsNull(plLines);
         ThrowWhenSoilProfileIsNull(soilProfile1D);
@@ -71,8 +74,17 @@
         if (plLine != null && !IsBelowSoilProfile(soilProfile1D, plLine))
         {
             waternet.PhreaticLine = CreateLine<PhreaticLine>(plLine, headLine1Name);
-            double level = soilProfile1D.GetLayerAt(headLine.GetMinZ()).BottomLevel;
-            WaternetLine waternetLine = CreateWaternetLine(level, xLeft, xRight);
+            WaternetLine waternetLine;
+            if (pressureType == IntrusionVerticalWaterPressureType.Linear)
+            {
+                List<Point2D> coordinates = surfaceLine.Points.Select(point => new Point2D(point.X, point.Z)).ToList();
+                waternetLine = CreateWaternetLine(coordinates);
+            }
+            else
+            {
+                double level = soilProfile1D.GetLayerAt(headLine.GetMinZ()).BottomLevel;
+                waternetLine = CreateWaternetLine(level, xLeft, xRight);
+            }
             waternetLine.Name = waternetLine1Name;
             waternetLine.HeadLine = headLine;
             waternetLine.HeadLine.SyncCalcPoints();
@@ -124,7 +136,7 @@
     /// <returns>A <see cref="Waternet"/>.</returns>
     /// <exception cref="NoNullAllowedException">Thrown when <paramref name="plLines"/> or <paramref name="soilProfile"/>
     /// is <c>null</c>.</exception>
-    public static Waternet CreateWaternetBasedOnPlLines(PlLines plLines, SoilProfile2D soilProfile, double penetrationLength)
+    public static Waternet CreateWaternetBasedOnPlLines(PlLines plLines, SoilProfile2D soilProfile, double penetrationLength, IntrusionVerticalWaterPressureType? pressureType)
     {
         ThrowWhenPlLinesIsNull(plLines);
         ThrowWhenSoilProfileIsNull(soilProfile);
@@ -138,7 +150,7 @@
         {
             var headLine = CreateLine<HeadLine>(plLine, headLine1Name);
             waternet.PhreaticLine = CreateLine<PhreaticLine>(plLine, headLine1Name);
-            WaternetLine waternetLine = CreateWaternetLineForPhreaticLine(soilProfile, plLine);
+            WaternetLine waternetLine = CreateWaternetLineForPhreaticLine(soilProfile, plLine, pressureType);
             waternetLine.Name = waternetLine1Name;
             waternetLine.HeadLine = headLine;
             waternet.WaternetLineList.Add(waternetLine);
@@ -302,13 +314,8 @@
         return waternetLine;
     }
 
-    private static WaternetLine CreateWaternetLine(IEnumerable<Point2D> coordinates)
+    private static WaternetLine CreateWaternetLine(IEnumerable<Point2D> coordinates, double zOffSet = 0)
     {
-        return CreateWaternetLine(coordinates, 0);
-    }
-
-    private static WaternetLine CreateWaternetLine(IEnumerable<Point2D> coordinates, double zOffSet)
-    {
         var line = new WaternetLine();
         foreach (Point2D coordinate in coordinates)
         {
@@ -423,6 +430,17 @@
         return null;
     }
 
+    private static WaternetLine CreateWaternetLineForPhreaticLine(SoilProfile2D soilProfile2D, PlLine plLine, IntrusionVerticalWaterPressureType? pressureType)
+    {
+        if (pressureType != IntrusionVerticalWaterPressureType.Linear)
+        {
+            return CreateWaternetLineForPhreaticLineForDamStandard(soilProfile2D, plLine);
+        }
+
+        List<Point2D> coordinates = soilProfile2D.Geometry.SurfaceLine.Points.Select(point => new Point2D(point.X, point.Z)).ToList();
+        return CreateWaternetLine(coordinates);
+    }
+
     /// <summary>
     /// Create the waternet line associated to the phreatic line (PL1).
     /// For the waternet type "Dam Standard", this line lies on the bottom of the soil layers “in which the phreatic plane lies”.
@@ -432,7 +450,7 @@
     /// <param name="soilProfile2D"></param>
     /// <param name="plLine"></param>
     /// <returns></returns>
-    private static WaternetLine CreateWaternetLineForPhreaticLine(SoilProfile2D soilProfile2D, PlLine plLine)
+    private static WaternetLine CreateWaternetLineForPhreaticLineForDamStandard(SoilProfile2D soilProfile2D, PlLine plLine)
     {
         var waternetLine = new WaternetLine();
         var curves = new List<GeometryPointString>();