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Comment: changed Render Element Examples for new ones where straightforward

This page gives an overview of the Reflection Render Elements and explains how they are used for compositing.


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Section Contents

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Page Contents

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Overview

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The Reflection Render Elements store reflection information calculated from the materials' reflection values in the scene. Surfaces with no reflection values set in their material(s) will contain no information in the render pass and therefore render as black.

The Reflection Render Elements include:

  • Reflection – Stores reflection information calculated from the materials' reflection value in the scene. It is the product of Reflection Raw and Reflection Filter.
  • Reflection Raw – Gives the full reflection data of objects reflecting in the scene, at the reflection's maximum possible intensity.

  • Reflection Filter – Sets how much of the raw reflection data should come through in the composite. It is designed to be used in conjunction with Reflection Raw.

These three render elements are designed to be used together or separately to adjust the overall reflection in the scene.

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In addition, several other render elements are available for adjusting reflection in a composite. These render elements can be both used for texture baking when there is a need to recreate a shader in a real-time engine, or to do relighting in a compositing package:

  • Reflection Glossiness – Returns a grayscale image that corresponds to the value in the Reflection Glossiness of materials in the scene. It can be both used for texture baking when there is a need to recreate a shader in a real-time engine, or to do relighting in a compositing package.

  • Reflection Highlight Glossiness – A grayscale image that corresponds to the value in the Highlight Glossiness of the materials in the scene.

Render Element Examples

 

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Reflection Render Element

 

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Reflection Raw Render Element

 

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Reflection Filter Render Element

 

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Reflection Glossiness Render Element

 

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Reflection Highlight Glossiness Render Element

 

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Notes

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  • Reflection render elements can be both added and subtracted from existing reflections within the scene.

  • To enable changes to the reflectivity of specific objects or materials during the compositing phase, use Matte Render Elements to isolate and select the objects and materials.