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changes.mady.by.user Kristin Ivanova

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The Refraction Filter Render Element is an image that stores refraction information calculated from the materials' refraction values in the scene. Materials with no refraction values appear as black, while refractive materials appear as white (maximum refraction) or gray (lesser amounts of refraction). If any hue (color) is specified in the material's Refractive Color parameter, that hue and value will be represented here in the Refraction Filter as well as being affected by the refraction's Amount parameter.

In comparison, the Raw Refraction Render Element is a color render element that takes materials and their colors into account when rendering refraction. Multiplying these two render elements together produces the Refraction Render Element.

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To properly calculate the Refraction Filter Render Element, the Refraction Render Element must also be added to the list of render elements being calculated during the rendering process to properly determine all the refraction information in the scene.

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UI Path

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||out Network|| > V-Ray Render Elements node > V-Ray > Render Channel > Color Channel > Type > Refraction Filter


Attributes

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The parameters for this render element appear in

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the V-Ray RenderChannelColor

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 render channels node.

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

Consider for Anti-Aliasing

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 – When enabled, anti-aliasing will be used where possible.

Filtering

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 – Applies the image filter to this channel. Image filter settings are in

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the Image

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 Sampler tab

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 of the Sampler tab

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 of the  V-Ray

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 Renderer node.

Color Mapping

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 – When enabled,

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the Color Mapping

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 options in the render settings will be applied to the current render channel.

Derive Raw Channels

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 – Generates data in the raw channels by combining the respective color and the filter color channels.

VFB Color Corrections

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 – Applies the post render color adjustments made from the VFB.

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Common Uses

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The Refraction Filter Render Element is useful for changing the appearance of refractive elements after rendering, using a compositing or image editing application. Below are examples of possible uses.

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Refraction Filter Render Element

 

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Original Beauty Composite

 

 

 

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