The quad shown beneath is from around Anvil, you can clearly see the sea and bay, which are the darkest parts: The entire Oblivion heightmap consists of about 18 quads in total. A quad is a square image of 1024x1024 pixels. The JPEG format for example, only has 256 levels of brightness.Ī large heightmap is divided in several quads. Heightmaps are often stored in a 16-bit RAW image format, which has 65536 different levels of brightness, and thus that many levels of altitude. A completely black pixel means that the terrain is at the lowest point possible, a completely white pixel that the terrain is at the highest point possible. In Skyrim, a heightmap is basically merely a grayscale image, where the whiteness of a pixel determines the altitude of that point. A heightmap does not contain any objects like trees or buildings, nor any textures. A heightmap is a map that only determines the altitude of terrain. When you want to create a new worldspace in Skyrim, the first thing you'll need is a heightmap. I already made a start on a tutorial, I'll post it here and update it:
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