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This page provides details about the Atmosphere Render Element and how it is used in compositing.

 


Overview  

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The Atmosphere Render Element stores only atmospheric or volumetric participating media such as Environment Fog or Aerial Perspective.  This This render element can then be used to enhance or color-correct just the atmospheric component of the image during the compositing process.

When atmospheric effects or fog is included in a scene, they will render into the Beauty (RGB color) channel, and should also be output as the atmosphere channel for compositing use.

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UI Path

 

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

 

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Attributes

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The parameters for this render element appear in the V-Ray RenderChannelColor render channels node.

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

Deep Output – Specifies whether to include this render element in deep images.

Color Mapping – When enabled, the Color Mapping options in the render settings are applied to the current render channel.

Consider For AA Consider for Anti-Aliasing – When enabled, anti-aliasing will be is used where possible.

Filtering – Applies the image filter to this channel. Image filter settings are in the Image Sampler tab of the Sampler tab of the  V-Ray Renderer node.Color Mapping – When enabled, the Color Mapping options in the render settings will be applied to the

current render channelDenoise – Enables the render element's denoising, provided the V-Ray Denoiser render element is present.

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

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

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Common Uses  

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The Atmospheric Effects Atmosphere Render Element is useful for changing the appearance of the atmosphere and volumetric effects in a rendered image using compositing or image editing software. Below is an example of its use. 

 

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Atmosphere Render Element, with fog
generated by EnvironmentFog

 

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Original Beauty composite

 

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Color of atmosphere changed and intensity increased

 

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Compositing Formula

Atmosphere + Beauty = Final Image

 

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In the example, fog is generated using the V-Ray EnvironmentFog. The fog is assigned a warmer color and the intensity is increased, using the Atmosphere RE.


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Compositing Formula

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The V-Ray Atmosphere Render Element is added to the Beauty render to form the final image. 

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