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This page gives an overview of the Reflection Filter Render Element and explains how it is used.
 

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Overview

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

While the vrayRE_Raw_Reflection Render Element gives the full reflection of objects reflecting in the scene, vrayRE_Reflection_Filter shows how much of that reflection should come through in the composite. In other words, the filter defines the strength of the reflection, while the raw image defines what is being reflected in the image. When these two elements are multiplied, the true level of reflection is given and produce vrayRE_Reflection. Using these component parts of the reflection, you can better fine tune the reflection in your final composite.

Reflection element is a key component in the main Beauty Pass.

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UI Path

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||Render Settings window|| > Render Elements tab > Reflection Filter


Attributes

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The parameters for this render element appear in the Attribute Editor under Extra V-Ray Attributes.

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Denoise – Enables the render element's denoising, provided the Denoiser render element is present.


Common uses

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The Reflection Render Element is useful for changing the appearance of Reflective elements after rending in a compositing or image editing software. Below are a couple of examples of their use.

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Cooler, brighter Reflections with more contrast

 

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Underlying Composite

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The Reflect render element is a product of vrayRE_Raw_Reflection x vrayRE_Reflection_Filter.

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