1 files changed, 4 insertions, 0 deletions

diff --git a/OpenSim/Region/Framework/Scenes/Scene.cs b/OpenSim/Region/Framework/Scenes/Scene.cs
index 21d47aa..4715558 100644
--- a/OpenSim/Region/Framework/Scenes/Scene.cs
+++ b/OpenSim/Region/Framework/Scenes/Scene.cs
@@ -5216,6 +5216,10 @@ namespace OpenSim.Region.Framework.Scenes
             return null;
         }
 
+        // Get terrain height at the specified <x,y> location.
+        // Presumes the underlying implementation is a heightmap which is a 1m grid.
+        // Finds heightmap grid points before and after the point and
+        //    does a linear approximation of the height at this intermediate point.
         public float GetGroundHeight(float x, float y)
         {
             if (x < 0)