This page provides information about the Atmospheric Effects render channel in V-Ray for Blender.
Overview
The Atmosphere Render Channel stores only atmospheric or volumetric participating media such as Environment Fog or Aerial Perspective. This render channel 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 are included in a scene, they are rendered into the Atmospheric Effects channel for compositing use.
UI Path: ||V-Ray Node Editor|| > World > Render Channels > Beauty > V-Ray Atmospheric Effects

Properties
See the Render Channels page to find out where you can find these properties.
Channel Name – Customizable name for the render channel.
Enable Deep Output – Specifies whether to include this render channel in deep images.
Color Mapping – Applies the color mapping options specified in the Color Mapping rollout of the V-Ray tab in the Render Settings window to this render channel. This option is enabled by default.
Consider For Anti-Aliasing – When enabled, anti-aliasing is used where possible.
Filtering – Applies an image filter to this channel.
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.
Denoise – Enables the render channel's denoising, provided the Denoiser is enabled.