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When simulating fire or smoke, you could export Grid Channels such as Smoke, Temperature/Liquid, Velocity, RGB and so forth. For example, to simulate multiple colors of smoke, you would want to export the Grid RGB Channel. That way, if each of your Fire Sources emits a different color of smoke, each Source's RGB color information would be saved to the simulator's cache files. |
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UI Path: ||Select PhoenixFDSim|| > Attribute Editor > Output rollout |
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Particle ID – When enabled, the particle ID channel will be exported. This channel is used during rendering to identify each particle. Use it when render time size variation is needed, if you would use the Particle Shader's Count Multiplier, or when frame blending will be involved (animated frame index or non-integer play speed).
Particle Age – When enabled, the particle age channel will be exported. The particle age channel will be exported. This channel can be used for animation effect based on the particle age, which can be needed by the Phoenix Particle Texture, Phoenix Source, Particle Shader, or Particle Tuner.
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