---
title: "GI"
canonical: "https://documentation.chaos.com/space/VRAYHOUDINI/113280985/GI"
format: markdown
---
This page gives an overview of the Global Illumination render element and explains how it is used in compositing.


## **Overview**

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## **Attributes**

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## **Common Uses**

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The Global Illumination Render Element is useful for changing the appearance of Indirect lighting after rendering in a compositing or image editing software. See below how a scene looks before and after compositing.



## **Compositing Formula**

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[Raw GI](https://docs-chaos.atlassian.net/wiki/spaces/VRAYHOUDINI/pages/113280983) x [Diffuse](https://docs-chaos.atlassian.net/wiki/spaces/VRAYHOUDINI/pages/113279772) = GI

![image](media://dddb01b4-c774-417e-ba65-b1f382b031a2)