User guide

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Location Type or Attribute Type Description
Other > rivolume The rivolume type is mapped to a PRMan
RiVolumeV call. The shape attribute value
must be set to one of the PRMan supported
shapes, such as box, ellipsoid, or cone.
The RiVolume bounds parameter is set
using the value of the bound attribute
defined on the current location, this
parameter must be set.
The RiVolume nvertices parameter is set
using the value of the voxelResolution
attribute.
See the PRMan documentation for more
details.
geometry.type string type == rivolume
geometry.shape string Defines the shape of the volume region.
geometry.voxelResolution integer3 Specifies the number of vertex and varying
storage class primitive variables (if omitted
defaults to [0, 0, 0])
bounds double6 See Location Type Conventions > Group
Attributes > bound for more details.
APPENDIX D STANDARD ATTRIBUTES | LOCATION TYPE CONVENTIONS