Port to a 2D Heightmap complete

1 files changed, 83 insertions, 0 deletions

diff --git a/OpenSim.Terrain.BasicTerrain/Normalise.cs b/OpenSim.Terrain.BasicTerrain/Normalise.cs
new file mode 100644
index 0000000..507795b
--- /dev/null
+++ b/OpenSim.Terrain.BasicTerrain/Normalise.cs
@@ -0,0 +1,83 @@
+using System;

+using System.Collections.Generic;

+using System.Text;

+

+namespace OpenSim.Terrain.BasicTerrain

+{

+    static class Normalise

+    {

+        public static void normalise(float[,] map)

+        {

+            double max = findMax(map);

+            double min = findMin(map);

+            int w = map.GetLength(0);

+            int h = map.GetLength(1);

+

+            int x, y;

+

+            for (x = 0; x < w; x++)

+            {

+                for (y = 0; y < h; y++)

+                {

+                    map[x, y] = (float)((map[x, y] - min) * (1.0 / (max - min)));

+                }

+            }

+        }

+

+        public static void normalise(float[,] map, double newmax)

+        {

+            double max = findMax(map);

+            double min = findMin(map);

+            int w = map.GetLength(0);

+            int h = map.GetLength(1);

+

+            int x, y;

+

+            for (x = 0; x < w; x++)

+            {

+                for (y = 0; y < h; y++)

+                {

+                    map[x, y] = (float)((map[x, y] - min) * (1.0 / (max - min)) * newmax);

+                }

+            }

+        }

+

+        public static double findMax(float[,] map)

+        {

+            int x, y;

+            int w = map.GetLength(0);

+            int h = map.GetLength(1);

+            double max = double.MinValue;

+

+            for (x = 0; x < w; x++)

+            {

+                for (y = 0; y < h; y++)

+                {

+                    if (map[x, y] > max)

+                        max = map[x, y];

+                }

+            }

+

+            return max;

+        }

+

+        public static double findMin(float[,] map)

+        {

+            int x, y;

+            int w = map.GetLength(0);

+            int h = map.GetLength(1);

+            double min = double.MaxValue;

+

+            for (x = 0; x < w; x++)

+            {

+                for (y = 0; y < h; y++)

+                {

+                    if (map[x, y] < min)

+                        min = map[x, y];

+                }

+            }

+

+            return min;

+        }

+    }

+}