This page gives an overview of the Global Illumination render element and explains how it is used in compositing.
||out Network|| > V-Ray Render Elements node > V-Ray > Render Channel > Color Channel > Type > GI
The parameters for this render element appear in the V-Ray RenderChannelColor render channels node.
Denoise – Enables the render element's denoising, provided the Denoiser render element is present.
Consider for Anti-Aliasing – When enabled, anti-aliasing will be used where possible.
Filtering – Applies the image filter to this channel. Image filter settings are in the Imageof the Sampler tab of the Renderer node.
Color Mapping – When enabled, the Color Mapping options in the render settings will be applied to the current render channel.
Derive Raw Channels – Generates data in the raw channels by combining the respective color and the filter color channels.
VFB Color Corrections – Applies the post render color adjustments made from the VFB.
The Global Illumination Render Element is useful for changing the appearance of Indirect lighting after rendering, using a compositing or image editing software. Below are a couple of examples of its use.
Raw GI x Diffuse = GI