User guide

• by weight - select the level-of-detail location to keep based on its info > componentLodWeight attribute. The

level-of-detail location below the level-of-detail group location that is closest to the weight specified in the

selectionWeight parameter is kept.

Control (UI) Default Value Function

CEL none Specifies the Scene Graph locations on which an operation or

assignment acts. The Scene Graph locations are specified using

the Collection Expression Language (CEL). The CEL parameter

options are available by clicking Add Statements.

Note: CEL statement should match locations of type level-of-

detail group.

For more information, see the CEL Reference document found

on the documentation HTML page (accessed through Help >

Documentation) or the CEL widget parameters in Common

Node Widgets on page1.

mode by index Sets the method used to specify levels of detail:

• by index

• by tag

• by weight

mode : by index

selectionIndex 0 Sets the index of which LOD child to keep.

mode : by tag

selectionTag hi Sets the tag of which LOD child to keep.

mode : by weight

selectionWeight 1 Sets the weight to use while determining which children to keep.

LodValuesAssign

This node assigns level of detail (LOD) ranges to the child locations for all CEL statement matches.

The ranges parameters of the node directly correspond to the PRMan values used for level of detail and are based

on screen area. This means when rendering smaller test images, the resulting output is different to full renders as the

5 NODES L-Q | LODVALUESASSIGN