diff --git a/Triangle.NET/Triangle/Data/Segment.cs b/Triangle.NET/Triangle/Data/Segment.cs
index 9e7263a..681540a 100644
--- a/Triangle.NET/Triangle/Data/Segment.cs
+++ b/Triangle.NET/Triangle/Data/Segment.cs
@@ -21,7 +21,7 @@ namespace TriangleNet.Data
     /// four pointers to vertices, plus two pointers to adjoining triangles,
     /// plus one boundary marker.
     /// </remarks>
-    public class Segment
+    public class Segment : ISegment
     {
         // Hash for dictionary. Will be set by mesh instance.
         internal int hash;
@@ -77,6 +77,8 @@ namespace TriangleNet.Data
             get { return this.boundary; }
         }
 
+        #endregion
+
         /// <summary>
         /// Gets the segments endpoint.
         /// </summary>
@@ -85,7 +87,13 @@ namespace TriangleNet.Data
             return this.vertices[index]; // TODO: Check range?
         }
 
-        #endregion
+        /// <summary>
+        /// Gets an adjoining triangle.
+        /// </summary>
+        public ITriangle GetTriangle(int index)
+        {
+            return triangles[index].triangle;
+        }
 
         public override int GetHashCode()
         {
diff --git a/Triangle.NET/Triangle/Data/Triangle.cs b/Triangle.NET/Triangle/Data/Triangle.cs
index 82ddf4b..ca1447c 100644
--- a/Triangle.NET/Triangle/Data/Triangle.cs
+++ b/Triangle.NET/Triangle/Data/Triangle.cs
@@ -8,9 +8,6 @@
 namespace TriangleNet.Data
 {
     using System;
-    using System.Collections.Generic;
-    using System.Linq;
-    using System.Text;
     using TriangleNet.Geometry;
 
     /// <summary>
@@ -151,7 +148,7 @@ namespace TriangleNet.Data
         /// </summary>
         /// <param name="index">The vertex index (0, 1 or 2).</param>
         /// <returns>The segment opposite of vertex with given index.</returns>
-        public Segment GetSegment(int index)
+        public ISegment GetSegment(int index)
         {
             return subsegs[index].seg == Mesh.dummysub ? null : subsegs[index].seg;
         }
diff --git a/Triangle.NET/Triangle/Geometry/ISegment.cs b/Triangle.NET/Triangle/Geometry/ISegment.cs
new file mode 100644
index 0000000..a7cb5e4
--- /dev/null
+++ b/Triangle.NET/Triangle/Geometry/ISegment.cs
@@ -0,0 +1,47 @@
+// -----------------------------------------------------------------------
+// <copyright file="Segment.cs" company="">
+// Triangle.NET code by Christian Woltering, http://triangle.codeplex.com/
+// </copyright>
+// -----------------------------------------------------------------------
+
+namespace TriangleNet.Geometry
+{
+    using TriangleNet.Data;
+
+    /// <summary>
+    /// Interface for segment geometry.
+    /// </summary>
+    public interface ISegment
+    {
+        #region Public properties
+
+        /// <summary>
+        /// Gets the first endpoints vertex id.
+        /// </summary>
+        int P0 { get; }
+
+        /// <summary>
+        /// Gets the seconds endpoints vertex id.
+        /// </summary>
+        int P1 { get; }
+
+        /// <summary>
+        /// Gets the segment boundary mark.
+        /// </summary>
+        int Boundary { get; }
+
+        /// <summary>
+        /// Gets the segments endpoint.
+        /// </summary>
+        /// <param name="index">The vertex index (0 or 1).</param>
+        Vertex GetVertex(int index);
+
+        /// <summary>
+        /// Gets an adjoining triangle.
+        /// </summary>
+        /// <param name="index">The triangle index (0 or 1).</param>
+        ITriangle GetTriangle(int index);
+
+        #endregion
+    }
+}
diff --git a/Triangle.NET/Triangle/Geometry/ITriangle.cs b/Triangle.NET/Triangle/Geometry/ITriangle.cs
index bde827a..a7f78e6 100644
--- a/Triangle.NET/Triangle/Geometry/ITriangle.cs
+++ b/Triangle.NET/Triangle/Geometry/ITriangle.cs
@@ -6,10 +6,6 @@
 
 namespace TriangleNet.Geometry
 {
-    using System;
-    using System.Collections.Generic;
-    using System.Linq;
-    using System.Text;
     using TriangleNet.Data;
 
     /// <summary>
@@ -72,7 +68,7 @@ namespace TriangleNet.Geometry
         /// </summary>
         /// <param name="index">The vertex index (0, 1 or 2).</param>
         /// <returns>The segment opposite of vertex with given index.</returns>
-        Segment GetSegment(int index);
+        ISegment GetSegment(int index);
 
         /// <summary>
         /// Triangle area constraint.
diff --git a/Triangle.NET/Triangle/IO/InputTriangle.cs b/Triangle.NET/Triangle/IO/InputTriangle.cs
index 626c356..5a8fcc2 100644
--- a/Triangle.NET/Triangle/IO/InputTriangle.cs
+++ b/Triangle.NET/Triangle/IO/InputTriangle.cs
@@ -1,15 +1,13 @@
 // -----------------------------------------------------------------------
 // <copyright file="Triangle.cs" company="">
-// Original Triangle code by Jonathan Richard Shewchuk, http://www.cs.cmu.edu/~quake/triangle.html
 // Triangle.NET code by Christian Woltering, http://triangle.codeplex.com/
 // </copyright>
 // -----------------------------------------------------------------------
 
 namespace TriangleNet.IO
 {
-    using System;
-    using TriangleNet.Geometry;
     using TriangleNet.Data;
+    using TriangleNet.Geometry;
 
     /// <summary>
     /// Simple triangle class for input.
@@ -92,7 +90,7 @@ namespace TriangleNet.IO
             return null;
         }
 
-        public Segment GetSegment(int index)
+        public ISegment GetSegment(int index)
         {
             return null;
         }
diff --git a/Triangle.NET/Triangle/Quality.cs b/Triangle.NET/Triangle/Quality.cs
index a70d8a8..5884f43 100644
--- a/Triangle.NET/Triangle/Quality.cs
+++ b/Triangle.NET/Triangle/Quality.cs
@@ -123,19 +123,10 @@ namespace TriangleNet
                 }
             }
 
-            if (horrors == 0 && Behavior.Verbose)
+            if (horrors == 0) // && Behavior.Verbose
             {
                 logger.Info("Mesh topology appears to be consistent.");
-                //logger.Info("In my studied opinion, the mesh appears to be consistent.");
             }
-            //else if (horrors == 1)
-            //{
-            //    logger.Info("Precisely one festering wound discovered.");
-            //}
-            //else
-            //{
-            //    logger.Info(horrors + " abominations witnessed.");
-            //}
 
             // Restore the status of exact arithmetic.
             Behavior.NoExact = saveexact;
@@ -212,19 +203,10 @@ namespace TriangleNet
 
             }
 
-            if (horrors == 0 && Behavior.Verbose)
+            if (horrors == 0) // && Behavior.Verbose
             {
                 logger.Info("Mesh is Delaunay.");
-                //logger.Info("By virtue of my perceptive intelligence, I declare the mesh Delaunay.");
             }
-            //else if (horrors == 1)
-            //{
-            //    logger.Info("Precisely one terrifying transgression identified.");
-            //}
-            //else
-            //{
-            //    logger.Info(horrors + " obscenities viewed with horror.");
-            //}
 
             // Restore the status of exact arithmetic.
             Behavior.NoExact = saveexact;
diff --git a/Triangle.NET/Triangle/Triangle.csproj b/Triangle.NET/Triangle/Triangle.csproj
index 1bf10c9..0031228 100644
--- a/Triangle.NET/Triangle/Triangle.csproj
+++ b/Triangle.NET/Triangle/Triangle.csproj
@@ -60,6 +60,7 @@
     <Compile Include="Geometry\ITriangle.cs" />
     <Compile Include="Geometry\Point.cs" />
     <Compile Include="Geometry\RegionPointer.cs" />
+    <Compile Include="Geometry\ISegment.cs" />
     <Compile Include="IO\DataReader.cs" />
     <Compile Include="IO\DebugWriter.cs" />
     <Compile Include="IO\FileWriter.cs" />