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Fuel | outFuel – Export the fuel density in the simulation.This needs to be enabled when simulating the process of Burning.

Texture UVW  | outTexUVW – Export the Texture UVW channel. Enable this to generate texture mapping coordinates that follow the movement of the fluid. This way you can change the textures you want mapped over your fluid even after the simulation has ended, without the need to simulate again. 

Advection Origin | outAdvPos – Export the advection origin of each voxel in the simulation. This is needed for the Precise Tracing Blend Method for retiming simulated sequences in the Input rollout, and is also needed for the Use Advection Origin for Motion Blur option in the Simulation rollout.

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Size – You would need this channel to be exported if you would like to use the simulated particle sizes when rendering. Note that the WetMap particle system does not export the Age channel and its Size channel decreases with time.

Texture UVW – The particle Texture UVW channel will be exported. Enable this to generate texture mapping coordinates that follow the movement of the fluid. 

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