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Autodesk® 3ds Max® 2012 Essentials: AUTODESK OFFICIAL TRAINING GUIDE by Dariush Derakhshani, Randi L. Derakhshani

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Final Gather with mental ray

A popular feature in mental ray is indirect illumination—the simulation of bounced light (explained in the next section). In the tabs at the top of the Render Setup dialog box, click the Indirect Illumination tab. There are three rollouts, the first of which we will explore further:

  • Final Gather
  • Caustic And Global Illumination (GI)
  • Reuse (FG And GI Disk Caching)

Final Gather

Final Gather is a method of mental ray rendering for estimating global illumination (GI). In short, GI is a way of calculating indirect lighting. This way, objects do not need to be in the direct path of a light (such as a spotlight) to be lit in the scene. In short, mental ray accomplishes this by casting points throughout a scene. These light ...

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