There are a lot of optimization tweaks you can make to make Arnold in Maya appear less noisy. In this article we look at some of the key tricks to rendering higher quality images and videos.
Tips on Setting-Up Better Arnold Renders
Increase Camera (AA) Samples: The amount of Camera (AA) samples in the Arnold Render Settings can be said to represent global render quality. When this number is increased, more noise can be removed from your render whilst concurrently extending the time in which each frame takes to complete.
Use Adaptive Sampling: Turn on Adaptive Sampling for Arnold to adjust automatically sample per pixel based off of the complexity of the scene. It helps render time to quality ratio.
Optimize Lighting: Implement area lights that cast soft shadows. Balance the Exposure and Intensity settings for the type of natural lighting that you desire.
Use more Light Samples in the Light Settings to clean-up areas that had heavy shadowing.
Enable Denoising: Denoising helps clean up your renders without needing very high sample rates, right inside of Arnold. Render Settings Noise — Apply post denoising to the render for a cleaner look.
Subsurface Scattering (SSS)
Subsurface Scattering gives a more natural look and depth of wax, skin or other translucent materials. Also you can try playing around with the Radius and Weight for desired effect.
The final renders can be much higher quality while still rendering in a reasonable amount of time, all due to the fine-tuning achievable with these settings.
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