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This page provides information on the Simulation rollout of the Simulator.
Overview
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The Simulation roll-out rollout contains the main panel controlling the simulation process. It also displays some statistical info like simulation times and the content of the cache file for the current frame. The content may be grid channels such as Temperature, Velocity, etc., as well as particle groups. You can choose the channels from the Output rollout, while the particle groups may be created by the Fire Source, or Splash and Foam sections of the Simulator.
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Forward Simulation | forwardSim – Enabling will first move the scene geometry and then simulate the fluid. This will fix simulation lag relative to scene changes.
Render On Each Sim Frame | rend_sim_frame – During simulation, after each new frame is simulated, this option will start a render with your currently assigned production renderer and with the render settings you have dialed in your Render Settings Maya dialog. You can use this when you leave a long simulation overnight, so you will have a ready rendered sequence when you come back to check on it, even if the entire simulation did not have time to finish. If you are doing test iterations and you don't need your fire/smoke to be rendered with production quality, you could enable the GPU Preview and use the Save Images During Simulation option instead.
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When doing test iterations on your simulation setup, you can also speed up the simulation by enabling Cacheless Simulation from the Output rollout. |
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An alternative is to automatically start a sequence render after the entire simulation has finished by adding a 'RenderIntoNewWindow' command under the OnSimulationEnd() callback of the Use Script option below. |
Progress sub-section
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This section of the UI displays information on the current simulation. |
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