1 files changed, 102 insertions, 0 deletions
diff --git a/OpenSim/Region/Terrain.BasicTerrain/libTerrainBSD/Channel/Editing/Flatten.cs b/OpenSim/Region/Terrain.BasicTerrain/libTerrainBSD/Channel/Editing/Flatten.cs
new file mode 100644
index 0000000..5e5254d
--- /dev/null
+++ b/OpenSim/Region/Terrain.BasicTerrain/libTerrainBSD/Channel/Editing/Flatten.cs
@@ -0,0 +1,102 @@
+/*
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are
+met:
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above
+      copyright notice, this list of conditions and the following
+      disclaimer in the documentation and/or other materials provided
+      with the distribution.
+    * Neither the name of libTerrain nor the names of
+      its contributors may be used to endorse or promote products
+      derived from this software without specific prior written
+      permission.
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+using System;
+using System.Collections.Generic;
+using System.Text;
+namespace libTerrain
+{
+    partial class Channel
+    {
+        /// <summary>
+        /// Flattens the area underneath rx,ry by moving it to the average of the area. Uses a spherical mask provided by the raise() function.
+        /// </summary>
+        /// <param name="rx">The X coordinate of the terrain mask</param>
+        /// <param name="ry">The Y coordinate of the terrain mask</param>
+        /// <param name="size">The size of the terrain mask</param>
+        /// <param name="amount">The scale of the terrain mask</param>
+        public void flatten(double rx, double ry, double size, double amount)
+        {
+            // Generate the mask
+            Channel temp = new Channel(w, h);
+            temp.fill(0);
+            temp.raise(rx, ry, size, amount);
+            temp.normalise();
+            double total_mod = temp.sum();
+            // Establish the average height under the area
+            Channel newmap = new Channel(w, h);
+            newmap.map = (double[,])map.Clone();
+            newmap *= temp;
+            double total_terrain = newmap.sum();
+            double avg_height = total_terrain / total_mod;
+            // Create a flat terrain using the average height
+            Channel flat = new Channel(w, h);
+            flat.fill(avg_height);
+            // Blend the current terrain with the average height terrain
+            // using the "raised" empty terrain as a mask
+            blend(flat, temp);
+        }
+        public void flatten(Channel mask, double amount)
+        {
+            // Generate the mask
+            Channel temp = mask * amount;
+            temp.clip(0, 1); // Cut off out-of-bounds values
+            double total_mod = temp.sum();
+            // Establish the average height under the area
+            Channel map = new Channel(w, h);
+            map.map = (double[,])this.map.Clone();
+            map *= temp;
+            double total_terrain = map.sum();
+            double avg_height = total_terrain / total_mod;
+            // Create a flat terrain using the average height
+            Channel flat = new Channel(w, h);
+            flat.fill(avg_height);
+            // Blend the current terrain with the average height terrain
+            // using the "raised" empty terrain as a mask
+            blend(flat, temp);
+        }
+    }
+}
+\ No newline at end of file

diff --git a/OpenSim/Region/Terrain.BasicTerrain/libTerrainBSD/Channel/Editing/Flatten.cs b/OpenSim/Region/Terrain.BasicTerrain/libTerrainBSD/Channel/Editing/Flatten.cs new file mode 100644 index 0000000..5e5254d --- /dev/null +++ b/OpenSim/Region/Terrain.BasicTerrain/libTerrainBSD/Channel/Editing/Flatten.cs
@@ -0,0 +1,102 @@
	1	/*
	2	Redistribution and use in source and binary forms, with or without
	3	modification, are permitted provided that the following conditions are
	4	met:
	5
	6	* Redistributions of source code must retain the above copyright
	7	notice, this list of conditions and the following disclaimer.
	8
	9	* Redistributions in binary form must reproduce the above
	10	copyright notice, this list of conditions and the following
	11	disclaimer in the documentation and/or other materials provided
	12	with the distribution.
	13
	14	* Neither the name of libTerrain nor the names of
	15	its contributors may be used to endorse or promote products
	16	derived from this software without specific prior written
	17	permission.
	18
	19	THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
	20	"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
	21	LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
	22	A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
	23	OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
	24	SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
	25	LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
	26	DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
	27	THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
	28	(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
	29	OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
	30	*/
	31
	32
	33	using System;
	34	using System.Collections.Generic;
	35	using System.Text;
	36
	37	namespace libTerrain
	38	{
	39	partial class Channel
	40	{
	41	/// <summary>
	42	/// Flattens the area underneath rx,ry by moving it to the average of the area. Uses a spherical mask provided by the raise() function.
	43	/// </summary>
	44	/// <param name="rx">The X coordinate of the terrain mask</param>
	45	/// <param name="ry">The Y coordinate of the terrain mask</param>
	46	/// <param name="size">The size of the terrain mask</param>
	47	/// <param name="amount">The scale of the terrain mask</param>
	48	public void flatten(double rx, double ry, double size, double amount)
	49	{
	50	// Generate the mask
	51	Channel temp = new Channel(w, h);
	52	temp.fill(0);
	53	temp.raise(rx, ry, size, amount);
	54	temp.normalise();
	55	double total_mod = temp.sum();
	56
	57	// Establish the average height under the area
	58	Channel newmap = new Channel(w, h);
	59	newmap.map = (double[,])map.Clone();
	60
	61	newmap *= temp;
	62
	63	double total_terrain = newmap.sum();
	64	double avg_height = total_terrain / total_mod;
	65
	66	// Create a flat terrain using the average height
	67	Channel flat = new Channel(w, h);
	68	flat.fill(avg_height);
	69
	70	// Blend the current terrain with the average height terrain
	71	// using the "raised" empty terrain as a mask
	72	blend(flat, temp);
	73
	74	}
	75
	76	public void flatten(Channel mask, double amount)
	77	{
	78	// Generate the mask
	79	Channel temp = mask * amount;
	80	temp.clip(0, 1); // Cut off out-of-bounds values
	81
	82	double total_mod = temp.sum();
	83
	84	// Establish the average height under the area
	85	Channel map = new Channel(w, h);
	86	map.map = (double[,])this.map.Clone();
	87
	88	map *= temp;
	89
	90	double total_terrain = map.sum();
	91	double avg_height = total_terrain / total_mod;
	92
	93	// Create a flat terrain using the average height
	94	Channel flat = new Channel(w, h);
	95	flat.fill(avg_height);
	96
	97	// Blend the current terrain with the average height terrain
	98	// using the "raised" empty terrain as a mask
	99	blend(flat, temp);
	100	}
	101	}
	102	} \ No newline at end of file