Displacement map

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A grayscale texture that stores height information, projected onto a highly-tesselated mesh in order to create displaced surface detail. Also called a Height Map.

Displacement map example from ZBrush

Displacement maps are usually saved in a floating-point file format like 16- or 32-bit TIFF/TGA/EXR, because standard 8-bit grayscale images only have 256 levels of gray which often causes height information to be lost.


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