Index: Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Forms/Views/MacroStabilityInwardsInputView.cs
===================================================================
diff -u -ra371ae048cf582e8a9cad8436a21c2b9b18dc793 -r2bdf4a594b0ca27cce7b6485103c1011291a50d5
--- Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Forms/Views/MacroStabilityInwardsInputView.cs	(.../MacroStabilityInwardsInputView.cs)	(revision a371ae048cf582e8a9cad8436a21c2b9b18dc793)
+++ Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Forms/Views/MacroStabilityInwardsInputView.cs	(.../MacroStabilityInwardsInputView.cs)	(revision 2bdf4a594b0ca27cce7b6485103c1011291a50d5)
@@ -62,6 +62,7 @@
         private readonly ChartPointData surfaceLevelOutsideChartData;
         private readonly ChartPointData leftGridChartData;
         private readonly ChartPointData rightGridChartData;
+        private readonly ChartMultipleLineData tangentLinesData;
 
         private readonly List<ChartMultipleAreaData> soilLayerChartDataLookup;
         private IMacroStabilityInwardsSoilProfile<IMacroStabilityInwardsSoilLayer> currentSoilProfile;
@@ -97,6 +98,7 @@
             dikeToeAtRiverChartData = RingtoetsChartDataFactory.CreateDikeToeAtRiverChartData();
             dikeTopAtRiverChartData = MacroStabilityInwardsChartDataFactory.CreateDikeTopAtRiverChartData();
             surfaceLevelOutsideChartData = MacroStabilityInwardsChartDataFactory.CreateSurfaceLevelOutsideChartData();
+            tangentLinesData = MacroStabilityInwardsChartDataFactory.CreateTangentLinesChartData();
             leftGridChartData = MacroStabilityInwardsChartDataFactory.CreateLeftGridChartData();
             rightGridChartData = MacroStabilityInwardsChartDataFactory.CreateRightGridChartData();
             waternetZonesExtremeChartData = MacroStabilityInwardsChartDataFactory.CreateWaternetZonesExtremeChartDataCollection();
@@ -116,6 +118,7 @@
             chartDataCollection.Add(dikeToeAtRiverChartData);
             chartDataCollection.Add(dikeTopAtRiverChartData);
             chartDataCollection.Add(surfaceLevelOutsideChartData);
+            chartDataCollection.Add(tangentLinesData);
             chartDataCollection.Add(leftGridChartData);
             chartDataCollection.Add(rightGridChartData);
             chartDataCollection.Add(waternetZonesExtremeChartData);
@@ -216,6 +219,13 @@
 
             leftGridChartData.Points = MacroStabilityInwardsChartDataPointsFactory.CreateGridPoints(leftGrid, gridDeterminationType);
             rightGridChartData.Points = MacroStabilityInwardsChartDataPointsFactory.CreateGridPoints(rightGrid, gridDeterminationType);
+
+            tangentLinesData.Lines = MacroStabilityInwardsChartDataPointsFactory.CreateInputTangentLines(data.InputParameters.GridDeterminationType,
+                                                                                                         data.InputParameters.TangentLineDeterminationType,
+                                                                                                         data.InputParameters.TangentLineZBottom,
+                                                                                                         data.InputParameters.TangentLineZTop,
+                                                                                                         data.InputParameters.TangentLineNumber,
+                                                                                                         data.InputParameters.SurfaceLine);
         }
 
         private void SetWaternetExtremeChartData(MacroStabilityInwardsWaternet waternet, MacroStabilityInwardsSurfaceLine surfaceLine)