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title: "Raw Refraction"
canonical: "https://documentation.chaos.com/space/VMAYA/111739209/Raw%20Refraction"
format: markdown
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## **Overview**

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## **Attributes**

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## **Common Uses**

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## **Underlying Compositing Equation**

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## **Notes**

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- To properly calculate the refraction information in the Raw Refraction and [Refraction Filter](https://docs-chaos.atlassian.net/wiki/spaces/VMAYA/pages/111739807) Render Elements, the [ Refraction ](https://docs-chaos.atlassian.net/wiki/spaces/VMAYA/pages/111738925) Render Element must also be rendered at the same time, even if it's not going to be used in the compositing process. Doing so enables all the refraction information to be included in the rendering calculations.
- There is initial support for Raw Refraction render element on V-Ray GPU.