Index: Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Data/Ringtoets.MacroStabilityInwards.Data.csproj
===================================================================
diff -u -r96764c996a0c059b15ccfd968ba165a0ede1b1e3 -rbcc66e2160dd443e08145f036176875f0fc87b62
--- Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Data/Ringtoets.MacroStabilityInwards.Data.csproj	(.../Ringtoets.MacroStabilityInwards.Data.csproj)	(revision 96764c996a0c059b15ccfd968ba165a0ede1b1e3)
+++ Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Data/Ringtoets.MacroStabilityInwards.Data.csproj	(.../Ringtoets.MacroStabilityInwards.Data.csproj)	(revision bcc66e2160dd443e08145f036176875f0fc87b62)
@@ -77,7 +77,6 @@
     <Compile Include="SoilProfile\MacroStabilityInwardsSoilProfile1D.cs" />
     <Compile Include="SoilProfile\MacroStabilityInwardsSoilProfile2D.cs" />
     <Compile Include="SoilProfile\MacroStabilityInwardsSoilProfileUnderSurfaceLine.cs" />
-    <Compile Include="SoilProfile\MacroStabilityInwardsSoilProfile2DLayersHelper.cs" />
     <Compile Include="SoilProfile\MacroStabilityInwardsSoilProfileUnderSurfaceLineFactory.cs" />
     <Compile Include="SoilProfile\MacroStabilityInwardsStochasticSoilModel.cs" />
     <Compile Include="SoilProfile\MacroStabilityInwardsStochasticSoilModelCollection.cs" />
Fisheye: Tag bcc66e2160dd443e08145f036176875f0fc87b62 refers to a dead (removed) revision in file `Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Data/SoilProfile/MacroStabilityInwardsSoilProfile2DLayersHelper.cs'.
Fisheye: No comparison available.  Pass `N' to diff?
Index: Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Forms/PropertyClasses/MacroStabilityInwardsStochasticSoilProfileProperties.cs
===================================================================
diff -u -r0950c1a469810e87b914ad0bc0cebbca32850a4e -rbcc66e2160dd443e08145f036176875f0fc87b62
--- Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Forms/PropertyClasses/MacroStabilityInwardsStochasticSoilProfileProperties.cs	(.../MacroStabilityInwardsStochasticSoilProfileProperties.cs)	(revision 0950c1a469810e87b914ad0bc0cebbca32850a4e)
+++ Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Forms/PropertyClasses/MacroStabilityInwardsStochasticSoilProfileProperties.cs	(.../MacroStabilityInwardsStochasticSoilProfileProperties.cs)	(revision bcc66e2160dd443e08145f036176875f0fc87b62)
@@ -109,7 +109,7 @@
             {
                 IEnumerable<IMacroStabilityInwardsSoilLayer2D> layers = (data.SoilProfile as MacroStabilityInwardsSoilProfile2D)?.Layers;
                 IEnumerable<IMacroStabilityInwardsSoilLayer2D> macroStabilityInwardsSoilLayers2D = layers != null
-                                                                                                       ? MacroStabilityInwardsSoilProfile2DLayersHelper.GetLayersRecursively(layers)
+                                                                                                       ? MacroStabilityInwardsSoilProfile2DLayerHelper.GetLayersRecursively(layers)
                                                                                                        : new List<MacroStabilityInwardsSoilLayer2D>();
                 return macroStabilityInwardsSoilLayers2D?.Select(layer => new MacroStabilityInwardsSoilLayer2DTopLevelProperties(layer)).ToArray() ??
                        new MacroStabilityInwardsSoilLayer2DTopLevelProperties[0];
Index: Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Forms/Views/MacroStabilityInwardsInputView.cs
===================================================================
diff -u -rda004b349d777118e3fdf7dddca87c7e1fc5b596 -rbcc66e2160dd443e08145f036176875f0fc87b62
--- Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Forms/Views/MacroStabilityInwardsInputView.cs	(.../MacroStabilityInwardsInputView.cs)	(revision da004b349d777118e3fdf7dddca87c7e1fc5b596)
+++ Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Forms/Views/MacroStabilityInwardsInputView.cs	(.../MacroStabilityInwardsInputView.cs)	(revision bcc66e2160dd443e08145f036176875f0fc87b62)
@@ -322,7 +322,7 @@
         {
             IEnumerable<IMacroStabilityInwardsSoilLayer2D> layers = data?.InputParameters.SoilProfileUnderSurfaceLine?.Layers;
             return layers != null
-                       ? MacroStabilityInwardsSoilProfile2DLayersHelper.GetLayersRecursively(layers)
+                       ? MacroStabilityInwardsSoilProfile2DLayerHelper.GetLayersRecursively(layers)
                        : new List<IMacroStabilityInwardsSoilLayer2D>();
         }
     }
Index: Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Forms/Views/MacroStabilityInwardsOutputChartControl.cs
===================================================================
diff -u -r187efa574b622ec8fd7d3f82f367974e17dbf138 -rbcc66e2160dd443e08145f036176875f0fc87b62
--- Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Forms/Views/MacroStabilityInwardsOutputChartControl.cs	(.../MacroStabilityInwardsOutputChartControl.cs)	(revision 187efa574b622ec8fd7d3f82f367974e17dbf138)
+++ Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Forms/Views/MacroStabilityInwardsOutputChartControl.cs	(.../MacroStabilityInwardsOutputChartControl.cs)	(revision bcc66e2160dd443e08145f036176875f0fc87b62)
@@ -19,7 +19,6 @@
 // Stichting Deltares and remain full property of Stichting Deltares at all times.
 // All rights reserved.
 
-using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Windows.Forms;
@@ -250,7 +249,7 @@
         {
             IEnumerable<IMacroStabilityInwardsSoilLayer2D> layers = data?.InputParameters.SoilProfileUnderSurfaceLine?.Layers;
             return layers != null
-                       ? MacroStabilityInwardsSoilProfile2DLayersHelper.GetLayersRecursively(layers)
+                       ? MacroStabilityInwardsSoilProfile2DLayerHelper.GetLayersRecursively(layers)
                        : new List<IMacroStabilityInwardsSoilLayer2D>();
         }
 
Index: Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Primitives/MacroStabilityInwardsSoilProfile2DLayerHelper.cs
===================================================================
diff -u
--- Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Primitives/MacroStabilityInwardsSoilProfile2DLayerHelper.cs	(revision 0)
+++ Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Primitives/MacroStabilityInwardsSoilProfile2DLayerHelper.cs	(revision bcc66e2160dd443e08145f036176875f0fc87b62)
@@ -0,0 +1,64 @@
+// Copyright (C) Stichting Deltares 2017. All rights reserved.
+//
+// This file is part of Ringtoets.
+//
+// Ringtoets is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+// 
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program. If not, see <http://www.gnu.org/licenses/>.
+//
+// All names, logos, and references to "Deltares" are registered trademarks of
+// Stichting Deltares and remain full property of Stichting Deltares at all times.
+// All rights reserved.
+
+using System;
+using System.Collections.Generic;
+using System.Linq;
+
+namespace Ringtoets.MacroStabilityInwards.Primitives
+{
+    /// <summary>
+    /// Helper methods for dealing with 2D layers.
+    /// </summary>
+    public static class MacroStabilityInwardsSoilProfile2DLayerHelper
+    {
+        /// <summary>
+        /// Method for obtaining all <see cref="IMacroStabilityInwardsSoilLayer2D"/> in <paramref name="layers"/> recursively.
+        /// </summary>
+        /// <param name="layers">The collection of layers to recursively get the layers from.</param>
+        /// <returns>An enumerable with <see cref="IMacroStabilityInwardsSoilLayer2D"/>.</returns>
+        /// <exception cref="ArgumentNullException">Thrown when <paramref name="layers"/> is <c>null</c>.</exception>
+        public static IEnumerable<IMacroStabilityInwardsSoilLayer2D> GetLayersRecursively(IEnumerable<IMacroStabilityInwardsSoilLayer2D> layers)
+        {
+            if (layers == null)
+            {
+                throw new ArgumentNullException(nameof(layers));
+            }
+
+            return layers.SelectMany(GetLayersRecursively);
+        }
+
+        private static IEnumerable<IMacroStabilityInwardsSoilLayer2D> GetLayersRecursively(IMacroStabilityInwardsSoilLayer2D layer)
+        {
+            var layers = new List<IMacroStabilityInwardsSoilLayer2D>
+            {
+                layer
+            };
+
+            foreach (IMacroStabilityInwardsSoilLayer2D nestedLayer in layer.NestedLayers)
+            {
+                layers.AddRange(GetLayersRecursively(nestedLayer));
+            }
+
+            return layers;
+        }
+    }
+}
\ No newline at end of file
Index: Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Primitives/Ringtoets.MacroStabilityInwards.Primitives.csproj
===================================================================
diff -u -r7585d2fd78627d94d55ffa16423af90a91e4efd4 -rbcc66e2160dd443e08145f036176875f0fc87b62
--- Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Primitives/Ringtoets.MacroStabilityInwards.Primitives.csproj	(.../Ringtoets.MacroStabilityInwards.Primitives.csproj)	(revision 7585d2fd78627d94d55ffa16423af90a91e4efd4)
+++ Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Primitives/Ringtoets.MacroStabilityInwards.Primitives.csproj	(.../Ringtoets.MacroStabilityInwards.Primitives.csproj)	(revision bcc66e2160dd443e08145f036176875f0fc87b62)
@@ -55,6 +55,7 @@
     <Compile Include="MacroStabilityInwardsPhreaticLine.cs" />
     <Compile Include="MacroStabilityInwardsSemiProbabilisticDesignVariableFactory.cs" />
     <Compile Include="MacroStabilityInwardsShearStrengthModel.cs" />
+    <Compile Include="MacroStabilityInwardsSoilProfile2DLayerHelper.cs" />
     <Compile Include="MacroStabilityInwardsWaternet.cs" />
     <Compile Include="MacroStabilityInwardsWaternetLine.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
Index: Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.Data.Test/Ringtoets.MacroStabilityInwards.Data.Test.csproj
===================================================================
diff -u -r96764c996a0c059b15ccfd968ba165a0ede1b1e3 -rbcc66e2160dd443e08145f036176875f0fc87b62
--- Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.Data.Test/Ringtoets.MacroStabilityInwards.Data.Test.csproj	(.../Ringtoets.MacroStabilityInwards.Data.Test.csproj)	(revision 96764c996a0c059b15ccfd968ba165a0ede1b1e3)
+++ Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.Data.Test/Ringtoets.MacroStabilityInwards.Data.Test.csproj	(.../Ringtoets.MacroStabilityInwards.Data.Test.csproj)	(revision bcc66e2160dd443e08145f036176875f0fc87b62)
@@ -87,7 +87,6 @@
     <Compile Include="SoilProfile\MacroStabilityInwardsSoilLayer2DTest.cs" />
     <Compile Include="SoilProfile\MacroStabilityInwardsSoilLayerDataTest.cs" />
     <Compile Include="SoilProfile\MacroStabilityInwardsSoilProfile1DTest.cs" />
-    <Compile Include="SoilProfile\MacroStabilityInwardsSoilProfile2DLayersHelperTest.cs" />
     <Compile Include="SoilProfile\MacroStabilityInwardsSoilProfile2DTest.cs" />
     <Compile Include="SoilProfile\MacroStabilityInwardsSoilProfileUnderSurfaceLineFactoryTest.cs" />
     <Compile Include="SoilProfile\MacroStabilityInwardsSoilProfileUnderSurfaceLineTest.cs" />
Fisheye: Tag bcc66e2160dd443e08145f036176875f0fc87b62 refers to a dead (removed) revision in file `Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.Data.Test/SoilProfile/MacroStabilityInwardsSoilProfile2DLayersHelperTest.cs'.
Fisheye: No comparison available.  Pass `N' to diff?
Index: Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.Forms.TestUtil/MacroStabilityInwardsViewChartDataAssert.cs
===================================================================
diff -u -rda004b349d777118e3fdf7dddca87c7e1fc5b596 -rbcc66e2160dd443e08145f036176875f0fc87b62
--- Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.Forms.TestUtil/MacroStabilityInwardsViewChartDataAssert.cs	(.../MacroStabilityInwardsViewChartDataAssert.cs)	(revision da004b349d777118e3fdf7dddca87c7e1fc5b596)
+++ Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.Forms.TestUtil/MacroStabilityInwardsViewChartDataAssert.cs	(.../MacroStabilityInwardsViewChartDataAssert.cs)	(revision bcc66e2160dd443e08145f036176875f0fc87b62)
@@ -19,11 +19,9 @@
 // Stichting Deltares and remain full property of Stichting Deltares at all times.
 // All rights reserved.
 
-using System.Collections.Generic;
 using System.Linq;
 using Core.Components.Chart.Data;
 using NUnit.Framework;
-using Ringtoets.MacroStabilityInwards.Data.SoilProfile;
 using Ringtoets.MacroStabilityInwards.Primitives;
 
 namespace Ringtoets.MacroStabilityInwards.Forms.TestUtil
@@ -69,7 +67,7 @@
             var soilProfileChartData = (ChartDataCollection) actual;
 
             IMacroStabilityInwardsSoilLayer2D[] layers = soilProfileUnderSurface?.Layers != null
-                                                             ? MacroStabilityInwardsSoilProfile2DLayersHelper.GetLayersRecursively(soilProfileUnderSurface.Layers).ToArray()
+                                                             ? MacroStabilityInwardsSoilProfile2DLayerHelper.GetLayersRecursively(soilProfileUnderSurface.Layers).ToArray()
                                                              : new IMacroStabilityInwardsSoilLayer2D[0];
             int expectedLayerCount = layers.Length;
 
@@ -107,13 +105,13 @@
             {
                 if (i < phreaticLines.Length)
                 {
-                    ChartLineData phreaticLineChartData = (ChartLineData) waternetChartData[i];
+                    var phreaticLineChartData = (ChartLineData) waternetChartData[i];
                     Assert.AreEqual(phreaticLines[i].Name, phreaticLineChartData.Name);
                     Assert.AreEqual(phreaticLines[i].Geometry, phreaticLineChartData.Points);
                 }
                 else
                 {
-                    ChartMultipleAreaData waternetLineChartData = (ChartMultipleAreaData) waternetChartData[i];
+                    var waternetLineChartData = (ChartMultipleAreaData) waternetChartData[i];
                     MacroStabilityInwardsWaternetLine waternetLine = waternetLines[i - waternetLines.Length];
                     Assert.AreEqual(waternetLine.Name, waternetLineChartData.Name);
                     Assert.IsTrue(waternetLineChartData.HasData);
Index: Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.Primitives.Test/MacroStabilityInwardsSoilProfile2DLayerHelperTest.cs
===================================================================
diff -u
--- Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.Primitives.Test/MacroStabilityInwardsSoilProfile2DLayerHelperTest.cs	(revision 0)
+++ Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.Primitives.Test/MacroStabilityInwardsSoilProfile2DLayerHelperTest.cs	(revision bcc66e2160dd443e08145f036176875f0fc87b62)
@@ -0,0 +1,114 @@
+// Copyright (C) Stichting Deltares 2017. All rights reserved.
+//
+// This file is part of Ringtoets.
+//
+// Ringtoets is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+// 
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program. If not, see <http://www.gnu.org/licenses/>.
+//
+// All names, logos, and references to "Deltares" are registered trademarks of
+// Stichting Deltares and remain full property of Stichting Deltares at all times.
+// All rights reserved.
+
+using System;
+using System.Collections.Generic;
+using Core.Common.Base.Geometry;
+using NUnit.Framework;
+using Ringtoets.MacroStabilityInwards.Data.SoilProfile;
+
+namespace Ringtoets.MacroStabilityInwards.Primitives.Test
+{
+    [TestFixture]
+    public class MacroStabilityInwardsSoilProfile2DLayerHelperTest
+    {
+        [Test]
+        public void GetLayersRecursively_LayersNull_ThrowsArgumentNullException()
+        {
+            // Call
+            TestDelegate call = () => MacroStabilityInwardsSoilProfile2DLayerHelper.GetLayersRecursively(null);
+
+            // Assert
+            string paramName = Assert.Throws<ArgumentNullException>(call).ParamName;
+            Assert.AreEqual("layers", paramName);
+        }
+
+        [Test]
+        public void GetLayersRecursively_WithLayers_ReturnsAllTopLevelAndNestedLayers()
+        {
+            // Setup
+            var nestedLayer1 = new MacroStabilityInwardsSoilLayer2D(new Ring(new List<Point2D>
+            {
+                new Point2D(4.0, 2.0),
+                new Point2D(0.0, 2.5)
+            }), new List<Ring>());
+
+            var topLevelLayer1 = new MacroStabilityInwardsSoilLayer2D(new Ring(new List<Point2D>
+                                                                      {
+                                                                          new Point2D(0.0, 1.0),
+                                                                          new Point2D(2.0, 4.0)
+                                                                      }),
+                                                                      new List<Ring>(),
+                                                                      new MacroStabilityInwardsSoilLayerData(),
+                                                                      new[]
+                                                                      {
+                                                                          nestedLayer1
+                                                                      });
+
+            var doubleNestedLayer = new MacroStabilityInwardsSoilLayer2D(new Ring(new List<Point2D>
+            {
+                new Point2D(4.0, 2.0),
+                new Point2D(0.0, 2.5)
+            }), new List<Ring>());
+
+            var nestedLayer2 = new MacroStabilityInwardsSoilLayer2D(new Ring(new List<Point2D>
+                                                                    {
+                                                                        new Point2D(4.0, 2.0),
+                                                                        new Point2D(0.0, 2.5)
+                                                                    }),
+                                                                    new List<Ring>(),
+                                                                    new MacroStabilityInwardsSoilLayerData(),
+                                                                    new[]
+                                                                    {
+                                                                        doubleNestedLayer
+                                                                    });
+
+            var topLevelLayer2 = new MacroStabilityInwardsSoilLayer2D(new Ring(new List<Point2D>
+                                                                      {
+                                                                          new Point2D(3.0, 1.0),
+                                                                          new Point2D(8.0, 3.0)
+                                                                      }), new List<Ring>(),
+                                                                      new MacroStabilityInwardsSoilLayerData(),
+                                                                      new[]
+                                                                      {
+                                                                          nestedLayer2
+                                                                      });
+            var layers = new[]
+            {
+                topLevelLayer1,
+                topLevelLayer2
+            };
+
+            // Call
+            IEnumerable<IMacroStabilityInwardsSoilLayer2D> flatLayers = MacroStabilityInwardsSoilProfile2DLayerHelper.GetLayersRecursively(layers);
+
+            // Assert
+            CollectionAssert.AreEqual(new[]
+            {
+                topLevelLayer1,
+                nestedLayer1,
+                topLevelLayer2,
+                nestedLayer2,
+                doubleNestedLayer
+            }, flatLayers);
+        }
+    }
+}
\ No newline at end of file
Index: Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.Primitives.Test/Ringtoets.MacroStabilityInwards.Primitives.Test.csproj
===================================================================
diff -u -rcfa7dc2bce5e37f5677d9c8772b68599f9e26a0c -rbcc66e2160dd443e08145f036176875f0fc87b62
--- Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.Primitives.Test/Ringtoets.MacroStabilityInwards.Primitives.Test.csproj	(.../Ringtoets.MacroStabilityInwards.Primitives.Test.csproj)	(revision cfa7dc2bce5e37f5677d9c8772b68599f9e26a0c)
+++ Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.Primitives.Test/Ringtoets.MacroStabilityInwards.Primitives.Test.csproj	(.../Ringtoets.MacroStabilityInwards.Primitives.Test.csproj)	(revision bcc66e2160dd443e08145f036176875f0fc87b62)
@@ -55,6 +55,7 @@
     <Compile Include="MacroStabilityInwardsDikeSoilScenarioTest.cs" />
     <Compile Include="MacroStabilityInwardsPhreaticLineTest.cs" />
     <Compile Include="MacroStabilityInwardsSemiProbabilisticDesignVariableFactoryTest.cs" />
+    <Compile Include="MacroStabilityInwardsSoilProfile2DLayerHelperTest.cs" />
     <Compile Include="MacroStabilityInwardsWaternetLineTest.cs" />
     <Compile Include="MacroStabilityInwardsWaternetTest.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />