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| Include Content |
|---|
| page | REN22:Primitive Variables |
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| key | REN22 |
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Transitional changes from 21 to 22
In RfK21 the PrmanObjectStatements node had only a single "attributes" section for all RenderMan attribuates. For RenderMan 22 this section has been divided according to "attributes", "primAttributes", and "primvars" in order to align with their usage and affect on the object to which the node is assigned. As a result several RenderMan attributes have a new attribute hierarchy in 22. See the tables below for a list of attributes which have changed from 21 to 22.
Note: attribute names shown are the relevant partial attribute for brevity. For the full attribute name simply prefix the noted name with the base "prmanStatements".
Moved from top-level to the "attributes" group:
RfK 21 Attribute Name | RfK 22 Attribute Name |
|---|
.matte
| .attributes.Matte 1
|
.sides
| .attributes.Sides 1
|
.scopedCoordinateSystem
| .attributes.scopedCoordinateSystem
|
Moved from top-level to the "primAttributes" group:
RfK 21 Attribute Name | RfK 22 Attribute Name |
|---|
.geometricApproximation.motionfactor
| .primAttributes.geometricApproximation.motionfactor
|
.geometricApproximation.focusfactor
| .primAttributes.geometricApproximation.focusfactor
|
.geometry.flip_t
| .primAttributes.geometry.flip_t
|
.subdivisionMesh.scheme
| .primAttributes.subdivisionMesh.scheme
|
.orientation
| .primAttributes.Orientation 1,2
|
Moved from "attributes" to "primAttributes":
RfK 21 Attribute Name | RfK 22 Attribute Name |
|---|
.attributes.curve.basis
| .primAttributes.curve.basis 3
|
.attributes.derivatives.extrapolate
| .primAttributes.derivatives.extrapolate
|
.attributes.dice.micropolygonlength
| .primAttributes.dice.micropolygonlength
|
.attributes.dice.minlength
| .primAttributes.dice.minlength
|
.attributes.dice.minlengthspace
| .primAttributes.dice.minlengthspace
|
.attributes.dice.offscreenstrategy
| .primAttributes.dice.offscreenstrategy
|
.attributes.dice.pretessellate
| .primAttributes.dice.pretessellate
|
.attributes.dice.rasterorient
| .primAttributes.dice.rasterorient
|
.attributes.dice.referencecamera
| .primAttributes.dice.referencecamera
|
.attributes.dice.strategy
| .primAttributes.dice.strategy
|
.attributes.dice.watertight
| .primAttributes.dice.watertight
|
.attributes.dice.worlddistancelength
| .primAttributes.dice.worlddistancelength
|
.attributes.displacementbound.sphere
| .primAttributes.displacementbound.sphere
|
.attributes.displacementbound.coordinatesystem
| .primAttributes.displacementbound.coordinatesystem
|
.attributes.displacementbound.offscreen
| .primAttributes.displacementbound.offscreen
|
.attributes.polygon.smoothnormals
| .primAttributes.polygon.smoothnormals
|
.attributes.procedural.immediatesubdivide
| .primAttributes.procedural.immediatesubdivide
|
.attributes.procedural.reentrant
| .primAttributes.procedural.reentrant
|
.attributes.trace.autobias
| .primAttributes.trace.autobias
|
.attributes.trace.bias
| .primAttributes.trace.bias
|
.attributes.trace.displacements
| .primAttributes.trace.displacements
|
.attributes.trace.samplemotion
| .primAttributes.trace.samplemotion
|
.attributes.trimcurve.sense
| .primAttributes.trimcurve.sense
|
- Capitalization changed.
- The RenderMan21 string param
orientation settings of "lh", "rh" have been deprecated in RenderMan 22 in favor of "inside/outside". In addition the 21 string value "reverse" has been deprecated in favor of the boolean parameter ReverseOrientation. - In 21, curve basis could be set on u or v. In 22, it is just one master attribute
basis. When converting legacy scenes we use the v basis to set the new attribute (major axis of curve).
