Index: DamEngine/trunk/src/Deltares.DamEngine.Calculators/KernelWrappers/MacroStabilityCommon/MacroStabilityIo/FillMacroStabilityWrapperInputFromEngine.cs
===================================================================
diff -u -r3362 -r3515
--- DamEngine/trunk/src/Deltares.DamEngine.Calculators/KernelWrappers/MacroStabilityCommon/MacroStabilityIo/FillMacroStabilityWrapperInputFromEngine.cs	(.../FillMacroStabilityWrapperInputFromEngine.cs)	(revision 3362)
+++ DamEngine/trunk/src/Deltares.DamEngine.Calculators/KernelWrappers/MacroStabilityCommon/MacroStabilityIo/FillMacroStabilityWrapperInputFromEngine.cs	(.../FillMacroStabilityWrapperInputFromEngine.cs)	(revision 3515)
@@ -68,21 +68,21 @@
         {
             soilsDictionary.Clear();
             var macroStabilityInput = new KernelMacroStabilityInput(); 
-            macroStabilityInput.StabilityModel = new StabilityInput(); // ToDo check whether this is needed.
-            macroStabilityInput.PreprocessingInput = new PreprocessingInput(); // ToDo check whether this is needed.
+            macroStabilityInput.StabilityModel = new StabilityInput(); 
+            macroStabilityInput.PreprocessingInput = new PreprocessingInput(); 
             macroStabilityInput.StabilityModel.UpliftVanCalculationGrid = new KernelUpliftVanCalculationGrid();
 
             failureMechanismParametersMStab.MStabParameters.Model = MStabModelType.UpliftVan;
             TransferStabilityModelProperties(failureMechanismParametersMStab, macroStabilityInput.StabilityModel);
             TransferSoils(damKernelInput.Location.SoilList, macroStabilityInput.StabilityModel.Soils);
 
-            macroStabilityInput.StabilityModel.ConstructionStages.Add(new ConstructionStage()); // ToDo check whether this is needed.
+            macroStabilityInput.StabilityModel.ConstructionStages.Add(new ConstructionStage());
             var lastStage = macroStabilityInput.StabilityModel.ConstructionStages.Last();
-            lastStage.SoilProfile = new MacroStability.CSharpWrapper.Input.SoilProfile(); // ToDo check whether this is needed.
-            lastStage.PreconsolidationStresses = new List<PreconsolidationStress>(); // ToDo check whether this is needed.
+            lastStage.SoilProfile = new MacroStability.CSharpWrapper.Input.SoilProfile();
+            lastStage.PreconsolidationStresses = new List<PreconsolidationStress>();
             TransferSoilProfile(damKernelInput.SubSoilScenario.SoilProfile2D, lastStage.SoilProfile, lastStage.PreconsolidationStresses);
             
-            macroStabilityInput.PreprocessingInput.PreConstructionStages.Add(new PreConstructionStage()); // ToDo check whether this is needed.
+            macroStabilityInput.PreprocessingInput.PreConstructionStages.Add(new PreConstructionStage());
             var preConstructionLastStage = macroStabilityInput.PreprocessingInput.PreConstructionStages.Last();
             preConstructionLastStage.SurfaceLine = new SurfaceLine();
             TransferSurfaceLine(damKernelInput.Location.SurfaceLine, preConstructionLastStage.SurfaceLine);
@@ -101,7 +101,7 @@
                 preprocessingSearchAreaConditions);
             TransferUpliftVanCalculationGrid(UpliftVanCalculationGrid, macroStabilityInput.StabilityModel.UpliftVanCalculationGrid, 
                 preprocessingSearchAreaConditions.AutoTangentLines);
-            lastStage.UniformLoads = new List<UniformLoad>(); // ToDo check whether this is needed.
+            lastStage.UniformLoads = new List<UniformLoad>();
             TransferUniformLoads(TrafficLoad, lastStage.UniformLoads);
             return macroStabilityInput;
         }
Index: DamEngine/trunk/src/Deltares.DamEngine.Calculators/KernelWrappers/MacroStabilityInwards/MacroStabilityInwardsKernelWrapper.cs
===================================================================
diff -u -r3510 -r3515
--- DamEngine/trunk/src/Deltares.DamEngine.Calculators/KernelWrappers/MacroStabilityInwards/MacroStabilityInwardsKernelWrapper.cs	(.../MacroStabilityInwardsKernelWrapper.cs)	(revision 3510)
+++ DamEngine/trunk/src/Deltares.DamEngine.Calculators/KernelWrappers/MacroStabilityInwards/MacroStabilityInwardsKernelWrapper.cs	(.../MacroStabilityInwardsKernelWrapper.cs)	(revision 3515)
@@ -322,12 +322,17 @@
                     {
                         var calculationPath = Path.GetDirectoryName(fileNameForCalculation);
                         var projectName = Path.GetFileName(fileNameForCalculation);
+                        var fileNameForCalculationAsStix = Path.ChangeExtension(fileNameForCalculation, ".stix");
                         StixWriter.FillInfo("DAM Engine", calculationPath, projectName, true);
                         StixWriter.FillCalculatedDualCircle(macroStabilityOutputItem.ActiveCenterPoint.X,
                             macroStabilityOutputItem.ActiveCenterPoint.Z,
                             macroStabilityOutputItem.ActiveCenterPointRadius, macroStabilityOutputItem.PassiveCenterPoint.X,
                             macroStabilityOutputItem.PassiveCenterPoint.Z);
-                        StixWriter.WriteStixFile(Path.ChangeExtension(fileNameForCalculation, ".stix"), input.Input);
+                        if (File.Exists(fileNameForCalculationAsStix))
+                        {
+                            File.Delete(fileNameForCalculationAsStix);
+                        }
+                        StixWriter.WriteStixFile(fileNameForCalculationAsStix, input.Input);
                     }
                 }
             }