1 files changed, 10 insertions, 6 deletions

diff --git a/OpenSim/Region/CoreModules/World/Terrain/PaintBrushes/SmoothSphere.cs b/OpenSim/Region/CoreModules/World/Terrain/PaintBrushes/SmoothSphere.cs
index 4834c86..cc618fd 100644
--- a/OpenSim/Region/CoreModules/World/Terrain/PaintBrushes/SmoothSphere.cs
+++ b/OpenSim/Region/CoreModules/World/Terrain/PaintBrushes/SmoothSphere.cs
@@ -34,7 +34,8 @@ namespace OpenSim.Region.CoreModules.World.Terrain.PaintBrushes
     {
         #region ITerrainPaintableEffect Members
 
-        public void PaintEffect(ITerrainChannel map, bool[,] mask, double rx, double ry, double rz, double strength, double duration)
+        public void PaintEffect(ITerrainChannel map, bool[,] mask, double rx, double ry, double rz,
+            double strength, double duration, int startX, int endX, int startY, int endY)
         {
             strength = TerrainUtil.MetersToSphericalStrength(strength);
 
@@ -47,10 +48,13 @@ namespace OpenSim.Region.CoreModules.World.Terrain.PaintBrushes
  
 
             // compute delta map
-            for (x = 0; x < map.Width; x++)
+            for (x = startX; x <= endX; x++)
             {
-                for (y = 0; y < map.Height; y++)
+                for (y = startY; y < endY; y++)
                 {
+                    if (!mask[x, y])
+                        continue;
+
                     double z = TerrainUtil.SphericalFactor(x, y, rx, ry, strength);
 
                     if (z > 0) // add in non-zero amount
@@ -73,11 +77,11 @@ namespace OpenSim.Region.CoreModules.World.Terrain.PaintBrushes
                 }
             }
             // blend in map
-            for (x = 0; x < map.Width; x++)
+            for (x = startX; x <= endX; x++)
             {
-                for (y = 0; y < map.Height; y++)
+                for (y = startY; y < endY; y++)
                 {
-                    if (!mask[x,y])
+                    if (!mask[x, y])
                         continue;
 
                     double z = TerrainUtil.SphericalFactor(x, y, rx, ry, strength);