Arnold for 3ds max – Render objects as volumes (volume shading)

Software:
3ds max 2019 | Arnold 5

In-order for objects in 3ds max to be rendered as volumes with Arnold, the object mesh has to be converted to a volume, and a Standard Volume material assigned to the object:

  1. Add an Arnold Properties modifier to the object.
  2. Under Volume set the Step Size to a value higher than 0.0.
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  3. Assign a Standard Volume material to the object and set it’s parameters to design the volumetric effect:
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Examples:

* Note that both Density and Depth control the transparency or ‘thickness’ of the volume. (lower Depth setting creates a thicker volume)
* When Scattering is set to 0.0 the volume will have only a absorption effect

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In this example an Arnold Noise map is connected to the Standard Volume‘s Density parameter:
* Note that the Scale values must be set correctly in order to actually get a ‘cloudy’ effect.
* Note that the noise color values are now controlling the Density of the volume.

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Related:
Arnold for 3ds max God Rays

 

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