Index: DamEngine/trunk/src/Deltares.DamEngine.Data/Geotechnics/SurfaceLine2.cs
===================================================================
diff -u -r877 -r955
--- DamEngine/trunk/src/Deltares.DamEngine.Data/Geotechnics/SurfaceLine2.cs	(.../SurfaceLine2.cs)	(revision 877)
+++ DamEngine/trunk/src/Deltares.DamEngine.Data/Geotechnics/SurfaceLine2.cs	(.../SurfaceLine2.cs)	(revision 955)
@@ -23,6 +23,7 @@
 using System.Collections.Generic;
 using System.Linq;
 using Deltares.DamEngine.Data.Geometry;
+using Deltares.DamEngine.Data.Standard;
 using Deltares.DamEngine.Data.Standard.Language;
 using Deltares.DamEngine.Data.Standard.Validation;
 
@@ -52,6 +53,17 @@
         }
 
         /// <summary>
+        /// Deep clone the object.
+        /// </summary>
+        /// <returns></returns>
+        public SurfaceLine2 FullDeepClone()
+        {
+            SurfaceLine2 surfaceLine2 = new SurfaceLine2();
+            surfaceLine2.SetValuesFromOtherSurfaceLine(this, true);
+            return surfaceLine2;
+        }
+
+        /// <summary>
         /// The geometrical description of the surface line.
         /// </summary>
         /// <remarks>Aggregation relationship.</remarks>
@@ -153,6 +165,59 @@
         }
 
         /// <summary>
+        /// Gets the points orderd by x.
+        /// </summary>
+        /// <value>
+        /// The points orderd by x.
+        /// </value>
+        private IEnumerable<GeometryPoint> PointsOrderdByX
+        {
+            get
+            {
+                return Geometry.Points.OrderBy(p => p.X);
+            }
+        }
+
+        /// <summary>
+        /// Tests if the given point is between the given start X and end X.
+        /// </summary>
+        /// <param name="point">The point.</param>
+        /// <param name="startX">The start x.</param>
+        /// <param name="endX">The end x.</param>
+        /// <returns><c>true</c> if the given point is between the given start X and end X, otherwise <c>false</c></returns>
+        private bool TestIncluding(GeometryPoint point, double startX, double endX)
+        {
+            if (point == null)
+            {
+                return false;
+            }
+
+            double x = point.X;
+            return (x >= startX || x.AlmostEquals(startX, GeometryPoint.Precision))
+                   && (x < endX || x.AlmostEquals(endX, GeometryPoint.Precision));
+        }
+
+        /// <summary>
+        /// Gets the point segment including given start x and end x.
+        /// </summary>
+        /// <param name="startX">The start x.</param>
+        /// <param name="endX">The end x.</param>
+        /// <returns>collection of points between start X and end X (inlcuding those)</returns>
+        /// <exception cref="System.ArgumentException">End value is smaller then the start value</exception>
+        public virtual IEnumerable<GeometryPoint> GetPointSegmentIncluding(double startX, double endX)
+        {
+            if (endX < startX)
+            {
+                throw new ArgumentException("End value is smaller then the start value");
+            }
+
+            return from point in PointsOrderdByX
+                   where TestIncluding(point, startX, endX)
+                   orderby point.X ascending
+                   select point;
+        }
+
+        /// <summary>
         /// Validates this surfaceline.
         /// </summary>
         /// <returns>All validation messages.</returns>
@@ -318,5 +383,6 @@
             }
             return geometryAnnotations;
         }
+
     }
 }
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