Redshift is a highly-optimized GPU-accelerated render engine, designed for speed and flexibility. Knowing its basic render settings would greatly help in giving you a boost in performance while producing high-end renders.
Important Render Settings in Redshift
Sampling: Reduce the number of samples to 64-128 for test renders to save time; If you want to make a final render, use 512 or more for improved rendering results.
Ray Depth: Ray Depth Determines how many bounces of light are calculated for reflections, refractions, and transparency. Increase of realism → increase on render time 4-6 is a typical depth for scenes; if transparency is required, it may go higher.
Global Illumination (GI): Turn on Global Illumination to simulate bouncing of light around the scene for realistic lighting. Redshift provides shader support for both the Brute Force method and the Irradiance Cache GI methods. Brute Force produces a more accurate result, but is slower to render each frame, whereas Irradiance Cache considerably speeds the rendering while sacrificing some accuracy.
Denoising: Redshift has a built-in Denoiser that allows you to easily clean up noisy renders without the need to have high sample rates. Turn it on in your render settings for quick, clean results.
Render Resolution: In the Output tab, choose a resolution for your render HD is 1920×1080 for still images but bigger projects will need a 4K or better resolution.
These settings can help you improve your Redshift workflow and make sure you get great results with reasonable render times.
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