Index: DamEngine/trunk/src/Deltares.DamEngine.Calculators/KernelWrappers/MacroStabilityCommon/CSharpWrapperConverters.cs
===================================================================
diff -u -r6391 -r6393
--- DamEngine/trunk/src/Deltares.DamEngine.Calculators/KernelWrappers/MacroStabilityCommon/CSharpWrapperConverters.cs	(.../CSharpWrapperConverters.cs)	(revision 6391)
+++ DamEngine/trunk/src/Deltares.DamEngine.Calculators/KernelWrappers/MacroStabilityCommon/CSharpWrapperConverters.cs	(.../CSharpWrapperConverters.cs)	(revision 6393)
@@ -47,20 +47,15 @@
             Grid = new CalculationGrid(),
             TangentLines = new List<double>()
         };
+        // Transfer grid
         bishopCalculationCircle.Grid.GridXLeft = inputBishopCalculationGrid.GridXLeft;
         bishopCalculationCircle.Grid.GridXRight = inputBishopCalculationGrid.GridXRight;
         bishopCalculationCircle.Grid.GridXNumber = inputBishopCalculationGrid.GridXCount;
         bishopCalculationCircle.Grid.GridZTop = inputBishopCalculationGrid.GridZTop;
         bishopCalculationCircle.Grid.GridZBottom = inputBishopCalculationGrid.GridZBottom;
         bishopCalculationCircle.Grid.GridZNumber = inputBishopCalculationGrid.GridZCount;
-        double currentTangentLevel = inputBishopCalculationGrid.TangentLineZTop;
-        double tangentIncrement = (inputBishopCalculationGrid.TangentLineZTop - inputBishopCalculationGrid.TangentLineZBottom) /
-                                  (inputBishopCalculationGrid.TangentLineCount - 1);
-        for (var i = 0; i < inputBishopCalculationGrid.TangentLineCount; i++)
-        {
-            bishopCalculationCircle.TangentLines.Add(currentTangentLevel);
-            currentTangentLevel -= tangentIncrement;
-        }
+        // Transfer tangent lines
+        bishopCalculationCircle.TangentLines = inputBishopCalculationGrid.TangentLineLevels;
 
         return bishopCalculationCircle;
     }
@@ -98,14 +93,7 @@
         upliftVanCalculationGrid.RightGrid.GridZBottom = inputUpliftVanCalculationGrid.RightGridZBottom;
         upliftVanCalculationGrid.RightGrid.GridZNumber = inputUpliftVanCalculationGrid.RightGridZCount;
         // Transfer tangent lines
-        double currentTangentLevel = inputUpliftVanCalculationGrid.TangentLineZTop;
-        double tangentIncrement = (inputUpliftVanCalculationGrid.TangentLineZTop - inputUpliftVanCalculationGrid.TangentLineZBottom) /
-                                  (inputUpliftVanCalculationGrid.TangentLineCount - 1);
-        for (var i = 0; i < inputUpliftVanCalculationGrid.TangentLineCount; i++)
-        {
-            upliftVanCalculationGrid.TangentLines.Add(currentTangentLevel);
-            currentTangentLevel -= tangentIncrement;
-        }
+        upliftVanCalculationGrid.TangentLines = inputUpliftVanCalculationGrid.TangentLineLevels;
 
         return upliftVanCalculationGrid;
     }
@@ -122,6 +110,7 @@
             return null;
         }
 
+        // Transfer grid
         var bishopCalculationGrid = new BishopCalculationGrid
         {
             GridXLeft = inputBishopCalculationCircle.Grid.GridXLeft,
@@ -134,6 +123,8 @@
             TangentLineZBottom = inputBishopCalculationCircle.TangentLines.Last(),
             TangentLineCount = inputBishopCalculationCircle.TangentLines.Count
         };
+        // Transfer tangent lines
+        bishopCalculationGrid.TangentLineLevels = inputBishopCalculationCircle.TangentLines.ToList();
         return bishopCalculationGrid;
     }
 
@@ -149,6 +140,7 @@
             return null;
         }
 
+        // Transfer grids
         var upliftVanCalculationGrid = new UpliftVanCalculationGrid
         {
             LeftGridXLeft = inputUpliftVanCalculationGrid.LeftGrid.GridXLeft,
@@ -167,6 +159,9 @@
             TangentLineZBottom = inputUpliftVanCalculationGrid.TangentLines.Last(),
             TangentLineCount = inputUpliftVanCalculationGrid.TangentLines.Count
         };
+        // Transfer tangent lines
+        upliftVanCalculationGrid.TangentLineLevels = inputUpliftVanCalculationGrid.TangentLines.ToList();
+
         return upliftVanCalculationGrid;
     }
 }
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