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Location Type or Attribute Type Description

geometry.arbitrary.<group>.scope group The scope of the attribute. Valid values are:

primitive (equivalent to "constant" in

PRMan), face (equivalent to "uniform" in

PRMan), point (equivalent to "varying" in

PRMan), vertex (equivalent to "facevarying"

in PRMan).

Support for the different scope types

depends on the renderer's capabilities.

Therefore, not all of these are supported in

every renderer.

Katana currently supports the following

types: float, double, integer, string, color3,

color4, normal2, normal3, vector2, vector3,

vector4, point2, point3, point4, matrix9,

and matrix16. Depending on the renderer's

capabilities, all these nodes might not be

supported.

geometry.arbitrary.<group>.inputType string Type under 'value' or 'indexedValue'. It's

important to note that the specified

'inputType' must match the footprint of the

data as described.

geometry.arbitrary.<group>.outputType string Output type for the arbitrary attribute can

be specified, if the intended output type

(and footprint) differs from the input type

but can be reasonably converted. Examples

of reasonable conversions include: float ->

color3 , color3 -> color4.

geometry.arbitrary.<group>.value integer,

float,

double, or

string

The value is specified by either a 'value'

attribute or an indexed list using the 'index'

and 'indexedValue' attributes.

Attribute containing the value. The type is

dependent on the type specified. The base

type can be integer, float, double, or string.

APPENDIX D STANDARD ATTRIBUTES | LOCATION TYPE CONVENTIONS

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Amazon VERSION 2.0V1 Guía de usuario Pagina 249