Index: dam engine/trunk/src/Deltares.DamEngine.Data/Geotechnics/CharacteristicPoint.cs
===================================================================
diff -u -r334 -r435
--- dam engine/trunk/src/Deltares.DamEngine.Data/Geotechnics/CharacteristicPoint.cs	(.../CharacteristicPoint.cs)	(revision 334)
+++ dam engine/trunk/src/Deltares.DamEngine.Data/Geotechnics/CharacteristicPoint.cs	(.../CharacteristicPoint.cs)	(revision 435)
@@ -19,7 +19,6 @@
 // Stichting Deltares and remain full property of Stichting Deltares at all times.
 // All rights reserved.
 
-using System.Xml.Serialization;
 using Deltares.DamEngine.Data.Geometry;
 using Deltares.DamEngine.Data.Standard.Language;
 
@@ -93,14 +92,12 @@
         /// <summary>
         ///     Gets or sets the characteristic point set associated containing this point.
         /// </summary>
-        [XmlIgnore] // Ignore to prevent cyclic reference build up in XML. Field is set by CharacteristicPointSet on Add
         public CharacteristicPointSet PointSet { get; set; }
 
         /// <summary>
         ///     Gets or sets the X coordinate of GeometryPoint
         /// </summary>
         [Translation("L")]
-        [XmlIgnore]
         public override double X
         {
             get
@@ -119,7 +116,6 @@
         /// <summary>
         ///     Gets or sets the Z coordinate of GeometryPoint
         /// </summary>
-        [XmlIgnore]
         public override double Z
         {
             get