Index: Ringtoets/Storage/src/Ringtoets.Storage.Core/Create/MacroStabilityInwards/MacroStabilityInwardsOutputCreateExtensions.cs
===================================================================
diff -u -r4a30aea5c764fc20099bd2b42798590705555633 -rc7bccf3eec9c8a12124c3486a639906f27597ef5
--- Ringtoets/Storage/src/Ringtoets.Storage.Core/Create/MacroStabilityInwards/MacroStabilityInwardsOutputCreateExtensions.cs	(.../MacroStabilityInwardsOutputCreateExtensions.cs)	(revision 4a30aea5c764fc20099bd2b42798590705555633)
+++ Ringtoets/Storage/src/Ringtoets.Storage.Core/Create/MacroStabilityInwards/MacroStabilityInwardsOutputCreateExtensions.cs	(.../MacroStabilityInwardsOutputCreateExtensions.cs)	(revision c7bccf3eec9c8a12124c3486a639906f27597ef5)
@@ -92,7 +92,7 @@
         private static void SetSlipPlaneParametersToEntity(MacroStabilityInwardsCalculationOutputEntity entity,
                                                            MacroStabilityInwardsSlipPlaneUpliftVan slipPlane)
         {
-            entity.SlipPlaneTangentLinesXml = new TangentLinesXmlSerializer().ToXml(slipPlane.TangentLines);
+            entity.SlipPlaneTangentLinesXml = new TangentLineCollectionXmlSerializer().ToXml(slipPlane.TangentLines);
 
             MacroStabilityInwardsGrid leftGrid = slipPlane.LeftGrid;
             entity.SlipPlaneLeftGridXLeft = leftGrid.XLeft.ToNaNAsNull();
Index: Ringtoets/Storage/src/Ringtoets.Storage.Core/Read/MacroStabilityInwards/MacroStabilityInwardsCalculationOutputEntityReadExtensions.cs
===================================================================
diff -u -r4a30aea5c764fc20099bd2b42798590705555633 -rc7bccf3eec9c8a12124c3486a639906f27597ef5
--- Ringtoets/Storage/src/Ringtoets.Storage.Core/Read/MacroStabilityInwards/MacroStabilityInwardsCalculationOutputEntityReadExtensions.cs	(.../MacroStabilityInwardsCalculationOutputEntityReadExtensions.cs)	(revision 4a30aea5c764fc20099bd2b42798590705555633)
+++ Ringtoets/Storage/src/Ringtoets.Storage.Core/Read/MacroStabilityInwards/MacroStabilityInwardsCalculationOutputEntityReadExtensions.cs	(.../MacroStabilityInwardsCalculationOutputEntityReadExtensions.cs)	(revision c7bccf3eec9c8a12124c3486a639906f27597ef5)
@@ -81,7 +81,7 @@
                 NumberOfVerticalPoints = entity.SlipPlaneRightGridNrOfVerticalPoints
             };
 
-            RoundedDouble[] tangentLines = new TangentLinesXmlSerializer().FromXml(entity.SlipPlaneTangentLinesXml);
+            RoundedDouble[] tangentLines = new TangentLineCollectionXmlSerializer().FromXml(entity.SlipPlaneTangentLinesXml);
             return new MacroStabilityInwardsSlipPlaneUpliftVan(leftGrid, rightGrid, tangentLines);
         }
 
Index: Ringtoets/Storage/src/Ringtoets.Storage.Core/Ringtoets.Storage.Core.csproj
===================================================================
diff -u -r39a538cc9e60cd38cce11cc102384af799b75038 -rc7bccf3eec9c8a12124c3486a639906f27597ef5
--- Ringtoets/Storage/src/Ringtoets.Storage.Core/Ringtoets.Storage.Core.csproj	(.../Ringtoets.Storage.Core.csproj)	(revision 39a538cc9e60cd38cce11cc102384af799b75038)
+++ Ringtoets/Storage/src/Ringtoets.Storage.Core/Ringtoets.Storage.Core.csproj	(.../Ringtoets.Storage.Core.csproj)	(revision c7bccf3eec9c8a12124c3486a639906f27597ef5)
@@ -523,7 +523,7 @@
     <Compile Include="DbContext\FailureMechanismType.cs" />
     <Compile Include="Read\AssessmentSectionEntityReadExtensions.cs" />
     <Compile Include="Read\ProjectEntityReadExtensions.cs" />
-    <Compile Include="Serializers\TangentLinesXmlSerializer.cs" />
+    <Compile Include="Serializers\TangentLineCollectionXmlSerializer.cs" />
     <Compile Include="StorageSqliteCreator.cs" />
     <Compile Include="DbContext\PartialRingtoetsEntities.cs" />
     <Compile Include="Exceptions\EntityNotFoundException.cs" />
Index: Ringtoets/Storage/src/Ringtoets.Storage.Core/Serializers/TangentLineCollectionXmlSerializer.cs
===================================================================
diff -u
--- Ringtoets/Storage/src/Ringtoets.Storage.Core/Serializers/TangentLineCollectionXmlSerializer.cs	(revision 0)
+++ Ringtoets/Storage/src/Ringtoets.Storage.Core/Serializers/TangentLineCollectionXmlSerializer.cs	(revision c7bccf3eec9c8a12124c3486a639906f27597ef5)
@@ -0,0 +1,68 @@
+// 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;
+using System.Runtime.Serialization;
+using Core.Common.Base.Data;
+
+namespace Ringtoets.Storage.Core.Serializers
+{
+    /// <summary>
+    /// Converter class that converts between tangent lines and an XML representation of that data.
+    /// </summary>
+    internal class TangentLineCollectionXmlSerializer : DataCollectionSerializer<RoundedDouble, TangentLineCollectionXmlSerializer.SerializableTangentLine>
+    {
+        protected override SerializableTangentLine[] ToSerializableData(IEnumerable<RoundedDouble> elements)
+        {
+            return elements.Select(e => new SerializableTangentLine(e)).ToArray();
+        }
+
+        protected override RoundedDouble[] FromSerializableData(IEnumerable<SerializableTangentLine> serializedElements)
+        {
+            return serializedElements.Select(se => se.ToTangentLine()).ToArray();
+        }
+
+        [Serializable]
+        [DataContract(Name = nameof(SerializableTangentLine), Namespace = "")]
+        internal class SerializableTangentLine
+        {
+            [DataMember]
+            private readonly double tangentLine;
+
+            /// <summary>
+            /// Creates a new instance of <see cref="SerializableTangentLine"/>.
+            /// </summary>
+            /// <param name="tangentLine">The <see cref="double"/> to base the 
+            /// <see cref="SerializableTangentLine"/> on.</param>
+            public SerializableTangentLine(double tangentLine)
+            {
+                this.tangentLine = tangentLine;
+            }
+
+            public RoundedDouble ToTangentLine()
+            {
+                return (RoundedDouble) tangentLine;
+            }
+        }
+    }
+}
\ No newline at end of file
Fisheye: Tag c7bccf3eec9c8a12124c3486a639906f27597ef5 refers to a dead (removed) revision in file `Ringtoets/Storage/src/Ringtoets.Storage.Core/Serializers/TangentLinesXmlSerializer.cs'.
Fisheye: No comparison available.  Pass `N' to diff?
Index: Ringtoets/Storage/test/Ringtoets.Storage.Core.Test/Read/MacroStabilityInwards/MacroStabilityInwardsCalculationEntityReadExtensionsTest.cs
===================================================================
diff -u -r4a30aea5c764fc20099bd2b42798590705555633 -rc7bccf3eec9c8a12124c3486a639906f27597ef5
--- Ringtoets/Storage/test/Ringtoets.Storage.Core.Test/Read/MacroStabilityInwards/MacroStabilityInwardsCalculationEntityReadExtensionsTest.cs	(.../MacroStabilityInwardsCalculationEntityReadExtensionsTest.cs)	(revision 4a30aea5c764fc20099bd2b42798590705555633)
+++ Ringtoets/Storage/test/Ringtoets.Storage.Core.Test/Read/MacroStabilityInwards/MacroStabilityInwardsCalculationEntityReadExtensionsTest.cs	(.../MacroStabilityInwardsCalculationEntityReadExtensionsTest.cs)	(revision c7bccf3eec9c8a12124c3486a639906f27597ef5)
@@ -243,7 +243,7 @@
 
             var calculationOutputEntity = new MacroStabilityInwardsCalculationOutputEntity
             {
-                SlipPlaneTangentLinesXml = new TangentLinesXmlSerializer().ToXml(tangentLines),
+                SlipPlaneTangentLinesXml = new TangentLineCollectionXmlSerializer().ToXml(tangentLines),
                 SlidingCurveSliceXML = new MacroStabilityInwardsSliceCollectionXmlSerializer().ToXml(slices),
                 SlipPlaneLeftGridNrOfHorizontalPoints = random.Next(1, 100),
                 SlipPlaneLeftGridNrOfVerticalPoints = random.Next(1, 100),
Index: Ringtoets/Storage/test/Ringtoets.Storage.Core.Test/Read/MacroStabilityInwards/MacroStabilityInwardsCalculationOutputEntityReadExtensionsTest.cs
===================================================================
diff -u -r4a30aea5c764fc20099bd2b42798590705555633 -rc7bccf3eec9c8a12124c3486a639906f27597ef5
--- Ringtoets/Storage/test/Ringtoets.Storage.Core.Test/Read/MacroStabilityInwards/MacroStabilityInwardsCalculationOutputEntityReadExtensionsTest.cs	(.../MacroStabilityInwardsCalculationOutputEntityReadExtensionsTest.cs)	(revision 4a30aea5c764fc20099bd2b42798590705555633)
+++ Ringtoets/Storage/test/Ringtoets.Storage.Core.Test/Read/MacroStabilityInwards/MacroStabilityInwardsCalculationOutputEntityReadExtensionsTest.cs	(.../MacroStabilityInwardsCalculationOutputEntityReadExtensionsTest.cs)	(revision c7bccf3eec9c8a12124c3486a639906f27597ef5)
@@ -86,7 +86,7 @@
                 SlidingCurveRightSlidingCircleIteratedForce = random.NextDouble(),
                 SlidingCurveRightSlidingCircleDrivingMoment = random.NextDouble(),
                 SlidingCurveRightSlidingCircleResistingMoment = random.NextDouble(),
-                SlipPlaneTangentLinesXml = new TangentLinesXmlSerializer().ToXml(tangentLines),
+                SlipPlaneTangentLinesXml = new TangentLineCollectionXmlSerializer().ToXml(tangentLines),
                 SlipPlaneLeftGridXLeft = random.NextDouble(0.0, 1.0),
                 SlipPlaneLeftGridXRight = random.NextDouble(2.0, 3.0),
                 SlipPlaneLeftGridNrOfHorizontalPoints = random.Next(1, 100),
@@ -157,7 +157,7 @@
             return new MacroStabilityInwardsCalculationOutputEntity
             {
                 SlidingCurveSliceXML = new MacroStabilityInwardsSliceCollectionXmlSerializer().ToXml(new MacroStabilityInwardsSlice[0]),
-                SlipPlaneTangentLinesXml = new TangentLinesXmlSerializer().ToXml(new RoundedDouble[0]),
+                SlipPlaneTangentLinesXml = new TangentLineCollectionXmlSerializer().ToXml(new RoundedDouble[0]),
                 SlipPlaneLeftGridNrOfHorizontalPoints = random.Next(1, 100),
                 SlipPlaneLeftGridNrOfVerticalPoints = random.Next(1, 100),
                 SlipPlaneRightGridNrOfHorizontalPoints = random.Next(1, 100),
Index: Ringtoets/Storage/test/Ringtoets.Storage.Core.Test/Ringtoets.Storage.Core.Test.csproj
===================================================================
diff -u -r39a538cc9e60cd38cce11cc102384af799b75038 -rc7bccf3eec9c8a12124c3486a639906f27597ef5
--- Ringtoets/Storage/test/Ringtoets.Storage.Core.Test/Ringtoets.Storage.Core.Test.csproj	(.../Ringtoets.Storage.Core.Test.csproj)	(revision 39a538cc9e60cd38cce11cc102384af799b75038)
+++ Ringtoets/Storage/test/Ringtoets.Storage.Core.Test/Ringtoets.Storage.Core.Test.csproj	(.../Ringtoets.Storage.Core.Test.csproj)	(revision c7bccf3eec9c8a12124c3486a639906f27597ef5)
@@ -242,7 +242,7 @@
     <Compile Include="IntegrationTests\StorageSqLiteIntegrationTest.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="BackedUpFileWriterTest.cs" />
-    <Compile Include="Serializers\TangentLinesXmlSerializerTest.cs" />
+    <Compile Include="Serializers\TangentLineCollectionXmlSerializerTest.cs" />
     <Compile Include="SqLiteEntityConnectionStringBuilderTest.cs" />
     <Compile Include="StorageSqliteCreatorTest.cs" />
     <Compile Include="StorageSqLiteTest.cs" />
Index: Ringtoets/Storage/test/Ringtoets.Storage.Core.Test/Serializers/TangentLineCollectionXmlSerializerTest.cs
===================================================================
diff -u
--- Ringtoets/Storage/test/Ringtoets.Storage.Core.Test/Serializers/TangentLineCollectionXmlSerializerTest.cs	(revision 0)
+++ Ringtoets/Storage/test/Ringtoets.Storage.Core.Test/Serializers/TangentLineCollectionXmlSerializerTest.cs	(revision c7bccf3eec9c8a12124c3486a639906f27597ef5)
@@ -0,0 +1,65 @@
+// 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 Core.Common.Base.Data;
+using Core.Common.TestUtil;
+using NUnit.Framework;
+using Ringtoets.Storage.Core.Serializers;
+using Ringtoets.Storage.Core.TestUtil.Serializers;
+
+namespace Ringtoets.Storage.Core.Test.Serializers
+{
+    [TestFixture]
+    public class TangentLineCollectionXmlSerializerTest
+    {
+        [Test]
+        public void Constructor_ExpectedValues()
+        {
+            // Call
+            var serializer = new TangentLineCollectionXmlSerializer();
+
+            // Assert
+            Assert.IsInstanceOf<DataCollectionSerializer<RoundedDouble, TangentLineCollectionXmlSerializer.SerializableTangentLine>>(serializer);
+            SerializerTestHelper.AssertSerializedData(typeof(TangentLineCollectionXmlSerializer.SerializableTangentLine));
+        }
+
+        [Test]
+        public void GivenArrayOfTangentLines_WhenConvertingRoundTrip_ThenEqualTangentLines()
+        {
+            // Given
+            var random = new Random(31);
+            var original = new[]
+            {
+                new RoundedDouble(2, double.NaN),
+                random.NextRoundedDouble()
+            };
+            var serializer = new TangentLineCollectionXmlSerializer();
+
+            // When
+            string xml = serializer.ToXml(original);
+            RoundedDouble[] roundtripResult = serializer.FromXml(xml);
+
+            // Then
+            CollectionAssert.AreEqual(original, roundtripResult);
+        }
+    }
+}
\ No newline at end of file
Fisheye: Tag c7bccf3eec9c8a12124c3486a639906f27597ef5 refers to a dead (removed) revision in file `Ringtoets/Storage/test/Ringtoets.Storage.Core.Test/Serializers/TangentLinesXmlSerializerTest.cs'.
Fisheye: No comparison available.  Pass `N' to diff?
Index: Ringtoets/Storage/test/Ringtoets.Storage.Core.TestUtil/MacroStabilityInwards/MacroStabilityInwardsCalculationOutputEntityTestHelper.cs
===================================================================
diff -u -r4a30aea5c764fc20099bd2b42798590705555633 -rc7bccf3eec9c8a12124c3486a639906f27597ef5
--- Ringtoets/Storage/test/Ringtoets.Storage.Core.TestUtil/MacroStabilityInwards/MacroStabilityInwardsCalculationOutputEntityTestHelper.cs	(.../MacroStabilityInwardsCalculationOutputEntityTestHelper.cs)	(revision 4a30aea5c764fc20099bd2b42798590705555633)
+++ Ringtoets/Storage/test/Ringtoets.Storage.Core.TestUtil/MacroStabilityInwards/MacroStabilityInwardsCalculationOutputEntityTestHelper.cs	(.../MacroStabilityInwardsCalculationOutputEntityTestHelper.cs)	(revision c7bccf3eec9c8a12124c3486a639906f27597ef5)
@@ -70,7 +70,7 @@
         private static void AssertSlipPlaneProperties(MacroStabilityInwardsSlipPlaneUpliftVan slipPlane,
                                                       MacroStabilityInwardsCalculationOutputEntity entity)
         {
-            string expectedTangentLinesXml = new TangentLinesXmlSerializer().ToXml(slipPlane.TangentLines);
+            string expectedTangentLinesXml = new TangentLineCollectionXmlSerializer().ToXml(slipPlane.TangentLines);
             Assert.AreEqual(expectedTangentLinesXml, entity.SlipPlaneTangentLinesXml);
 
             MacroStabilityInwardsGrid leftGrid = slipPlane.LeftGrid;