Index: DamEngine/trunk/src/Deltares.DamEngine.IntegrationTests/TestFiles/InputTutorialStability2D.xml
===================================================================
diff -u -r5547 -r5666
--- DamEngine/trunk/src/Deltares.DamEngine.IntegrationTests/TestFiles/InputTutorialStability2D.xml	(.../InputTutorialStability2D.xml)	(revision 5547)
+++ DamEngine/trunk/src/Deltares.DamEngine.IntegrationTests/TestFiles/InputTutorialStability2D.xml	(.../InputTutorialStability2D.xml)	(revision 5666)
@@ -5646,7 +5646,7 @@
       <PreconsolidationStresses />
     </SoilProfile2D>
   </SoilProfiles2D>
-  <StabilityParameters SearchMethod="0" GridDetermination="0" BishopTangentLinesDefinition="0" BishopTangentLinesDistance="0.25" BishopGridVerticalPointsCount="10" BishopGridVerticalPointsDistance="2.5" BishopGridHorizontalPointsCount="10" BishopGridHorizontalPointsDistance="2.5" UpliftVanGridLeftVerticalPointsCount="36" UpliftVanGridLeftVerticalPointsDistance="2" UpliftVanGridLeftHorizontalPointsCount="14" UpliftVanGridLeftHorizontalPointsDistance="2" UpliftVanGridRightVerticalPointsCount="3" UpliftVanGridRightVerticalPointsDistance="2" UpliftVanGridRightHorizontalPointsCount="6" UpliftVanGridRightHorizontalPointsDistance="2" UpliftVanTangentLinesDefinition="0" UpliftVanTangentLinesDistance="0.25" />
+  <StabilityParameters SearchMethod="0" GridDetermination="0" BishopTangentLinesDefinition="1" BishopTangentLinesDistance="0.25" BishopGridVerticalPointsCount="10" BishopGridVerticalPointsDistance="2.5" BishopGridHorizontalPointsCount="10" BishopGridHorizontalPointsDistance="2.5" UpliftVanGridLeftVerticalPointsCount="36" UpliftVanGridLeftVerticalPointsDistance="2" UpliftVanGridLeftHorizontalPointsCount="14" UpliftVanGridLeftHorizontalPointsDistance="2" UpliftVanGridRightVerticalPointsCount="3" UpliftVanGridRightVerticalPointsDistance="2" UpliftVanGridRightHorizontalPointsCount="6" UpliftVanGridRightHorizontalPointsDistance="2" UpliftVanTangentLinesDefinition="0" UpliftVanTangentLinesDistance="0.25" />
   <AquiferSoils xsi:nil="true" />
   <TrafficLoadDegreeOfConsolidations>
     <TrafficLoadDegreeOfConsolidation SoilName="1 zand dijk" DegreeOfConsolidation="100" />
Index: DamEngine/trunk/src/Deltares.DamEngine.IntegrationTests/IntegrationTests/DesignCalculatorTests.cs
===================================================================
diff -u -r4920 -r5666
--- DamEngine/trunk/src/Deltares.DamEngine.IntegrationTests/IntegrationTests/DesignCalculatorTests.cs	(.../DesignCalculatorTests.cs)	(revision 4920)
+++ DamEngine/trunk/src/Deltares.DamEngine.IntegrationTests/IntegrationTests/DesignCalculatorTests.cs	(.../DesignCalculatorTests.cs)	(revision 5666)
@@ -85,7 +85,7 @@
         Assert.That(output.Results.CalculationMessages[0].Message1, Does.Contain("De berekening is mislukt met de volgende foutmelding"), output.Results.CalculationMessages[0].Message1);
     }
 
-    [Test]
+    [Test, Category(Categories.Slow)]
     [SetUICulture("nl-NL")]
     public void TestValidInputXML()
     {
Index: DamEngine/trunk/src/Deltares.DamEngine.IntegrationTests/TestFiles/InputFileForStabOutsideBishopAutomaticGrid.xml
===================================================================
diff -u -r4603 -r5666
--- DamEngine/trunk/src/Deltares.DamEngine.IntegrationTests/TestFiles/InputFileForStabOutsideBishopAutomaticGrid.xml	(.../InputFileForStabOutsideBishopAutomaticGrid.xml)	(revision 4603)
+++ DamEngine/trunk/src/Deltares.DamEngine.IntegrationTests/TestFiles/InputFileForStabOutsideBishopAutomaticGrid.xml	(.../InputFileForStabOutsideBishopAutomaticGrid.xml)	(revision 5666)
@@ -102,7 +102,7 @@
         </SoilProfile1D>
     </SoilProfiles1D>
     <SoilProfiles2D/>
-    <StabilityParameters SearchMethod="0" GridDetermination="0" BishopTangentLinesDefinition="0"
+    <StabilityParameters SearchMethod="0" GridDetermination="0" BishopTangentLinesDefinition="1"
                          BishopTangentLinesDistance="0.25" BishopGridVerticalPointsCount="10"
                          BishopGridVerticalPointsDistance="2.5" BishopGridHorizontalPointsCount="10"
                          BishopGridHorizontalPointsDistance="2.5" UpliftVanGridLeftVerticalPointsCount="5"
Index: DamEngine/trunk/src/Deltares.DamEngine.IntegrationTests/TestFiles/DeltaDijkInputFile.xml
===================================================================
diff -u -r4000 -r5666
--- DamEngine/trunk/src/Deltares.DamEngine.IntegrationTests/TestFiles/DeltaDijkInputFile.xml	(.../DeltaDijkInputFile.xml)	(revision 4000)
+++ DamEngine/trunk/src/Deltares.DamEngine.IntegrationTests/TestFiles/DeltaDijkInputFile.xml	(.../DeltaDijkInputFile.xml)	(revision 5666)
@@ -40720,7 +40720,7 @@
                          UpliftVanGridLeftVerticalPointsDistance="2" UpliftVanGridLeftHorizontalPointsCount="14"
                          UpliftVanGridLeftHorizontalPointsDistance="2" UpliftVanGridRightVerticalPointsCount="3"
                          UpliftVanGridRightVerticalPointsDistance="2" UpliftVanGridRightHorizontalPointsCount="6"
-                         UpliftVanGridRightHorizontalPointsDistance="2" UpliftVanTangentLinesDefinition="1"
+                         UpliftVanGridRightHorizontalPointsDistance="2" UpliftVanTangentLinesDefinition="0"
                          UpliftVanTangentLinesDistance="0.25"/>
     <AquiferSoils>
         <AquiferSoil Soilname="kade" IsAquifer="false"/>
Index: DamEngine/trunk/src/Deltares.DamEngine.IntegrationTests/TestFiles/InputFileForStabOutsideBishopSpecifiedGrid.xml
===================================================================
diff -u -r4603 -r5666
--- DamEngine/trunk/src/Deltares.DamEngine.IntegrationTests/TestFiles/InputFileForStabOutsideBishopSpecifiedGrid.xml	(.../InputFileForStabOutsideBishopSpecifiedGrid.xml)	(revision 4603)
+++ DamEngine/trunk/src/Deltares.DamEngine.IntegrationTests/TestFiles/InputFileForStabOutsideBishopSpecifiedGrid.xml	(.../InputFileForStabOutsideBishopSpecifiedGrid.xml)	(revision 5666)
@@ -102,7 +102,7 @@
         </SoilProfile1D>
     </SoilProfiles1D>
     <SoilProfiles2D/>
-    <StabilityParameters SearchMethod="0" GridDetermination="1" BishopTangentLinesDefinition="0"
+    <StabilityParameters SearchMethod="0" GridDetermination="1" BishopTangentLinesDefinition="1"
                          BishopTangentLinesDistance="0.25" BishopGridVerticalPointsCount="10"
                          BishopGridVerticalPointsDistance="2.5" BishopGridHorizontalPointsCount="10"
                          BishopGridHorizontalPointsDistance="2.5" UpliftVanGridLeftVerticalPointsCount="5"
Index: DamEngine/trunk/src/Deltares.DamEngine.IntegrationTests/TestFiles/StabilityDesign1Dbased.xml
===================================================================
diff -u -r4000 -r5666
--- DamEngine/trunk/src/Deltares.DamEngine.IntegrationTests/TestFiles/StabilityDesign1Dbased.xml	(.../StabilityDesign1Dbased.xml)	(revision 4000)
+++ DamEngine/trunk/src/Deltares.DamEngine.IntegrationTests/TestFiles/StabilityDesign1Dbased.xml	(.../StabilityDesign1Dbased.xml)	(revision 5666)
@@ -40661,6 +40661,6 @@
                          UpliftVanGridLeftVerticalPointsDistance="2" UpliftVanGridLeftHorizontalPointsCount="14"
                          UpliftVanGridLeftHorizontalPointsDistance="2" UpliftVanGridRightVerticalPointsCount="3"
                          UpliftVanGridRightVerticalPointsDistance="2" UpliftVanGridRightHorizontalPointsCount="6"
-                         UpliftVanGridRightHorizontalPointsDistance="2" UpliftVanTangentLinesDefinition="0"
+                         UpliftVanGridRightHorizontalPointsDistance="2" UpliftVanTangentLinesDefinition="1"
                          UpliftVanTangentLinesDistance="0.25"/>
 </Input>
\ No newline at end of file