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title: "Self Illumination"
canonical: "https://documentation.chaos.com/space/VRAYHOUDINI/113279765/Self%20Illumination"
format: markdown
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The Self Illumination Render Element stores the illumination of any self-illuminated materials in the scene.


## **Overview**

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## **Attributes**

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## **Common uses**

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The Self Illumination Render Element is useful for changing the appearance of self-illuminated surfaces after rendering in compositing or image editing software. See below the render before and after compositing.



## **Compositing Formula**

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Self Illumination + [Beauty ](https://docs-chaos.atlassian.net/wiki/spaces/VRAYHOUDINI/pages/113281534)= Final Image

![image](media://abc5bfe1-cb12-424c-9c9c-f6d95e2eb526)


## **Notes**

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- This element contains only the light geometry itself, not the light emitted from it. Lighting information is contained in the Lighting Render Elements.