diff --git a/OpenSim/Region/OptionalModules/Scripting/Minimodule/Heightmap.cs b/OpenSim/Region/OptionalModules/Scripting/Minimodule/Heightmap.cs
index 2f6c20431b..875de50757 100644
--- a/OpenSim/Region/OptionalModules/Scripting/Minimodule/Heightmap.cs
+++ b/OpenSim/Region/OptionalModules/Scripting/Minimodule/Heightmap.cs
@@ -31,13 +31,19 @@ namespace OpenSim.Region.OptionalModules.Scripting.Minimodule
 {
     public class Heightmap : IHeightmap
     {
-        private Scene m_scene;
+        private readonly Scene m_scene;
 
         public Heightmap(Scene scene)
         {
             m_scene = scene;
         }
 
+        public double this[int x, int y]
+        {
+            get { return Get(x, y); }
+            set { Set(x, y, value); }
+        }
+
         public int Height
         {
             get { return m_scene.Heightmap.Height; }
@@ -48,12 +54,12 @@ namespace OpenSim.Region.OptionalModules.Scripting.Minimodule
             get { return m_scene.Heightmap.Width; }
         }
 
-        public double Get(int x, int y)
+        protected double Get(int x, int y)
         {
             return m_scene.Heightmap[x, y];
         }
 
-        public void Set(int x, int y, double val)
+        protected void Set(int x, int y, double val)
         {
             m_scene.Heightmap[x, y] = val;
         }
diff --git a/OpenSim/Region/OptionalModules/Scripting/Minimodule/IHeightmap.cs b/OpenSim/Region/OptionalModules/Scripting/Minimodule/IHeightmap.cs
index 37cf8ae4e0..afea12b9fa 100644
--- a/OpenSim/Region/OptionalModules/Scripting/Minimodule/IHeightmap.cs
+++ b/OpenSim/Region/OptionalModules/Scripting/Minimodule/IHeightmap.cs
@@ -33,9 +33,26 @@ namespace OpenSim.Region.OptionalModules.Scripting.Minimodule
 {
     public interface IHeightmap
     {
+        /// <summary>
+        /// Returns [or sets] the heightmap value at specified coordinates.
+        /// </summary>
+        /// <param name="x">X Coordinate</param>
+        /// <param name="y">Y Coordinate</param>
+        /// <returns>A value in meters representing height. Can be negative. Value correlates with Z parameter in world coordinates</returns>
+        double this[int x, int y]
+        {
+            get;
+            set;
+        }
+
+        /// <summary>
+        /// The maximum height of the region (Y axis), exclusive. (eg Height = 256, max Y = 255). Minimum is always 0 inclusive.
+        /// </summary>
         int Height { get; }
+
+        /// <summary>
+        /// The maximum width of the region (X axis), exclusive. (eg Width = 256, max X = 255). Minimum is always 0 inclusive.
+        /// </summary>
         int Width { get; }
-        double Get(int x, int y);
-        void Set(int x, int y, double val);
     }
 }