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The Raw Global Illumination Render Channel stores how much indirect lighting (reflected diffuse light) is received by surfaces in the scene. This raw channel is useful for fine-tuning indirect lighting in the compositing process.

The Raw GI Render channel is untouched by the scene's diffuse colors of the scene and represents the pure indirect lighting contribution. You can use this raw channel to reconstitute the GI Render Channel by multiplying the Raw GI with the the Diffuse.

This raw render channel must be rendered along with the Global Illumination channel (GI) for proper results.

UI Path: ||V-Ray Node Editor|| > World > Render Channels > Raw > V-Ray Raw GI

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See the Render Channels page to find out where you can find these properties.

Channel Name – Customizable name for the render channel.

Enable Deep Output– Specifies whether to include this render channel in deep images.

Color Mapping – Applies the color mapping options specified in the Color Mapping rollout of the V-Ray tab in the Render Settings window to this render channel. This option is enabled by default.

Consider For Anti-Aliasing – When enabled, anti-aliasing is used where possible.

Filtering –  Applies an image filter to this 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.

Denoise – Enables the render channel's denoising, provided the Denoiser is enabled.

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