2 files changed, 13 insertions, 2 deletions

diff --git a/OpenSim/Region/CoreModules/World/Terrain/FileLoaders/RAW32.cs b/OpenSim/Region/CoreModules/World/Terrain/FileLoaders/RAW32.cs
index 9fb7ef7..d467abb 100644
--- a/OpenSim/Region/CoreModules/World/Terrain/FileLoaders/RAW32.cs
+++ b/OpenSim/Region/CoreModules/World/Terrain/FileLoaders/RAW32.cs
@@ -25,7 +25,10 @@
  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+using System;
 using System.IO;
+
+using OpenSim.Framework;
 using OpenSim.Region.Framework.Interfaces;
 using OpenSim.Region.Framework.Scenes;
 
@@ -116,7 +119,15 @@ namespace OpenSim.Region.CoreModules.World.Terrain.FileLoaders
 
         public ITerrainChannel LoadStream(Stream s)
         {
-            TerrainChannel retval = new TerrainChannel();
+            // The raw format doesn't contain any dimension information.
+            // Guess the square dimensions by using the length of the raw file.
+            double dimension = Math.Sqrt((double)(s.Length / 4));
+            // Regions are always multiples of 256.
+            int trimmedDimension = (int)dimension - ((int)dimension % (int)Constants.RegionSize);
+            if (trimmedDimension < Constants.RegionSize)
+                trimmedDimension = (int)Constants.RegionSize;
+
+            TerrainChannel retval = new TerrainChannel(trimmedDimension, trimmedDimension);
 
             BinaryReader bs = new BinaryReader(s);
             int y;
diff --git a/OpenSim/Region/CoreModules/World/Terrain/Tests/TerrainTest.cs b/OpenSim/Region/CoreModules/World/Terrain/Tests/TerrainTest.cs
index 96c16a9..29e80ef 100644
--- a/OpenSim/Region/CoreModules/World/Terrain/Tests/TerrainTest.cs
+++ b/OpenSim/Region/CoreModules/World/Terrain/Tests/TerrainTest.cs
@@ -80,7 +80,7 @@ namespace OpenSim.Region.CoreModules.World.Terrain.Tests
             effect = new LowerSphere();
 
             effect.PaintEffect(map, allowMask, midRegion, midRegion, -1.0, 2, 6.0);
-            Assert.That(map[127, midRegion] >= 0.0, "Lower should not lowering value below 0.0 at this point (127,128).");

+            Assert.That(map[127, midRegion] >= 0.0, "Lower should not lowering value below 0.0 at this point (127,128).");
             Assert.That(map[127, midRegion] == 0.0, "Lower brush should lowering value to 0.0 at this point (127,128).");
             Assert.That(map[125, midRegion] < 1.0, "Lower brush should lowering value at this point (124,128).");
             Assert.That(map[120, midRegion] == 1.0, "Lower brush should not change value at this point (120,128).");