Environment - settings

 

These settings provide control over the background and atmosphere (Fog or Atmosphere Volume).

Background

Use this field to define a background shader for the scene. Create an Arnold material with a background shader (e.g., Physical Sky or Ray Switch shader) and drag and drop it onto the Background shader slot. Once connected you can double click the shader ball icon to the right of the slot, in order to select the shader and show its parameters in the attribute manager.

Background is considered deprecated and will be removed in a future release. Please use an Arnold Sky or Background Object object instead.

Note that C4DtoA first checks the object tree and exports this Background shader only if no active environment type object (e.g. Arnold Sky, Background Object, etc.) is defined.

Atmosphere

There are two types of Atmosphere in Arnold, Fog and Atmosphere VolumeFog simulates the effect of light scattering, which causes more distant objects to appear lower in contrast, especially in outdoor environments. Atmosphere Volume simulates light scattered by a thin, uniform atmosphere. It produces shafts of light and volumetric shadows cast from geometric objects. 

It is not possible to render both Fog and Atmosphere Volume in the same scene.

 

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