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Simulation of wetting can be used in rendering for blending of wet and dry materials depending on which parts of a geometry have been in contact with the simulated liquid. Wetting can also change the behavior of simulated viscous liquid and make it stick to geometries.

The wetting simulation produces a particle system called WetMap. It can be rendered using a a Particle Texture map which blends between a wet and a dry surface material. The drying info is kept in the particle size channel. To convert the map to grayscale, enable the Mult. by size option for the Particle Texture map.