Index: DamEngine/trunk/src/Deltares.DamEngine.Calculators/KernelWrappers/MacroStabilityCommon/PlLinesToWaternetConverter.cs
===================================================================
diff -u -r3238 -r3497
--- DamEngine/trunk/src/Deltares.DamEngine.Calculators/KernelWrappers/MacroStabilityCommon/PlLinesToWaternetConverter.cs	(.../PlLinesToWaternetConverter.cs)	(revision 3238)
+++ DamEngine/trunk/src/Deltares.DamEngine.Calculators/KernelWrappers/MacroStabilityCommon/PlLinesToWaternetConverter.cs	(.../PlLinesToWaternetConverter.cs)	(revision 3497)
@@ -176,6 +176,7 @@
             WaternetLine waternetLine = new WaternetLine();
             waternetLine.Points.Add(new GeometryPoint(xLeft, level));
             waternetLine.Points.Add(new GeometryPoint(xRight, level));
+            waternetLine.SyncCalcPoints();
             return waternetLine;
         }
 
@@ -192,7 +193,7 @@
                 var point = new GeometryPoint(coordinate.X, coordinate.Z + zOffSet);
                 line.Points.Add(point);
             }
-
+            line.SyncCalcPoints();
             return line;
         }