[UPDATE] Added *Terrain Texture ROP* Docs

Author: Ambrosiussen

Help/nodes/sop/gamedev--sop_terrain_texture_rop.txt

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+= GameDev Terrain Texture ROP =
+
+#type: node
+#context: sop
+#internal: gamedev::sop_terrain_texture_rop
+#icon: terraintexturerop
+#tags: tech, model, gamedev
+
+""" The Terrain Texture rop SOP renders image data from a heightfield. """
+
+The Terrain Texture rop SOP renders image data from a heightfield as opposed to for example the Terrain Segment rop SOP which creates geometry.
+
+@parameters
+    == Normal Map ==
+    Tangent Normal Flip Y:
+        Flips the Y axis value of the normal map.
+    Tangent Normal Flip X:
+        Flips the X axis value of the normal map.
+    Use MikkT Tangent Space:
+        Enables / Disables the use of MikkT Tangent space normalmap.
+    == Texture Maps ==
+    Output File:
+        This specifies the output file.
+    Export:
+        This toggle enables / disables the exporting of the map next to the toggle.
+    == Height Map ==
+    Normalize Range 0-1:
+        This enables / disables the remapping of the rendered values to 0-1 space. When disabled and the image is exporting as HDR (Ex EXR), this uses world-space values. 
+    Single Channel:
+        Enables the exporting of the heightmap as a single channel image.
+    Raster Depth:
+        Controls the precision used for the exported heightmap values.
+    == Output ==
+    Divide into tiled maps:
+        This allows for the to be exported maps to be divided into tiles.
+    Number of Tiles:
+        This specifies the number of tiles the exported images need to be divided in. Only applicable when "Divide into tiled maps" is enabled.
+    Render Resolution:
+        This specifies the total resolution of the exported images.
+