Index: DamEngine/trunk/src/Deltares.DamEngine.Calculators/KernelWrappers/MacroStabilityInwards/MacroStabilityInwardsKernelWrapper.cs
===================================================================
diff -u -r3025 -r3029
--- DamEngine/trunk/src/Deltares.DamEngine.Calculators/KernelWrappers/MacroStabilityInwards/MacroStabilityInwardsKernelWrapper.cs	(.../MacroStabilityInwardsKernelWrapper.cs)	(revision 3025)
+++ DamEngine/trunk/src/Deltares.DamEngine.Calculators/KernelWrappers/MacroStabilityInwards/MacroStabilityInwardsKernelWrapper.cs	(.../MacroStabilityInwardsKernelWrapper.cs)	(revision 3029)
@@ -22,6 +22,7 @@
 using System;
 using System.Collections.Generic;
 using System.Data;
+using System.IO;
 using System.Linq;
 using Deltares.DamEngine.Calculators.DikesDesign;
 using Deltares.DamEngine.Calculators.KernelWrappers.Common;
@@ -112,7 +113,7 @@
                         FillMacroStabilityWrapperInputFromEngine fillMacroStabilityWrapperFromEngine = new FillMacroStabilityWrapperInputFromEngine()
                         {
                             TrafficLoad = trafficLoad,
-                            UpliftVanCalculationGrid = null,
+                            UpliftVanCalculationGrid = DetermineGridFromSettings(damKernelInput.Location.SurfaceLine)
                             
                         };
                         // ToDo MWDAM-1373/1374: fill SoilProfile2D
@@ -132,6 +133,30 @@
             return PrepareResult.NotRelevant;
         }
 
+        private MacroStabilityCommon.UpliftVanCalculationGrid DetermineGridFromSettings(SurfaceLine2 surfaceLine)
+        {
+            var upliftVanCalculationGrid = new MacroStabilityCommon.UpliftVanCalculationGrid();
+            if (surfaceLine != null)
+            {
+                upliftVanCalculationGrid.IsAuto = false;
+                upliftVanCalculationGrid.LeftGridXCount = 3;
+                upliftVanCalculationGrid.LeftGridXLeft = surfaceLine.CharacteristicPoints.GetGeometryPoint(CharacteristicPointType.DikeTopAtPolder).X + 2;
+                upliftVanCalculationGrid.LeftGridXRight = surfaceLine.CharacteristicPoints.GetGeometryPoint(CharacteristicPointType.DikeToeAtPolder).X + 5;
+                upliftVanCalculationGrid.LeftGridZCount = 3;
+                upliftVanCalculationGrid.LeftGridZTop = surfaceLine.CharacteristicPoints.GetGeometryPoint(CharacteristicPointType.DikeTopAtPolder).Z + 6;
+                upliftVanCalculationGrid.LeftGridZBottom = surfaceLine.CharacteristicPoints.GetGeometryPoint(CharacteristicPointType.DikeTopAtPolder).Z + 0.2;
+
+                upliftVanCalculationGrid.RightGridXCount = 3;
+                upliftVanCalculationGrid.RightGridXLeft = surfaceLine.CharacteristicPoints.GetGeometryPoint(CharacteristicPointType.DikeToeAtPolder).X + 10;
+                upliftVanCalculationGrid.RightGridXRight = surfaceLine.CharacteristicPoints.GetGeometryPoint(CharacteristicPointType.SurfaceLevelInside).X - 5;
+                upliftVanCalculationGrid.RightGridZCount = 3;
+                upliftVanCalculationGrid.RightGridZTop = surfaceLine.CharacteristicPoints.GetGeometryPoint(CharacteristicPointType.DikeTopAtPolder).Z + 2;
+                upliftVanCalculationGrid.RightGridZBottom = surfaceLine.CharacteristicPoints.GetGeometryPoint(CharacteristicPointType.SurfaceLevelInside).Z + 2;
+            }
+
+            return upliftVanCalculationGrid;
+        }
+
         private void EnsureSoilProfile2DIsFilled(SoilGeometryProbability subSoilScenario, SurfaceLine2 surfaceLine2, Soil dikeEmbankmentSoil)
         {
             var soilProfile2D = subSoilScenario.SoilProfile2D;
@@ -163,6 +188,7 @@
                 stabilityCalculator = new Calculator(input);
                 // For now a simple check to see if any data has been past at all.
                 var inputAsXml = stabilityCalculator.KernelInputXml;
+                File.WriteAllText("TestfileFromPrepare.xml", inputAsXml); 
                 if (inputAsXml.Length > 10) 
                 {
                     return PrepareResult.Successful;