In other words, it is a grayscale image that assigns a different shade of gray to each point on a grid based on its height or altitude. With an 8-bit grayscale image, 256 heights can be displayed.Ī heightmap is a type of 2D representation of a 3D map that encodes the elevation data of the terrain or surface. A light value stands for a high position, a dark value for a low position of the 3D map surface. We use this data from heightmaps in the form of displacement maps to accurately create complex 3D terrains. A heightmap is a grayscale image that represents with each pixel elevations of a terrain.
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