User guide

21 Locations and Attributes
Inheritance Rules for Attributes
153
Setting Group Inheritance using the API
153
Light Linking 153
22 PRMan Technical Notes
Use of the "id" Identifier Attribute
155
23 Nodegraph API
Nodegraph API Basics
157
Creating a New Node 157
Referencing a Node 158
Referencing a Parameter 158
Node Position 158
Node Naming 159
Getting the Parameters of a Node 159
Setting the Parameters of a Node 160
Input and Output Ports 160
Duplicating Nodes
161
Serialize to XML 161
Deserialize 162
Printing An XML Tree 162
Group Nodes
163
A Group Node Example 164
Send and Return Ports 165
Return Port Example 165
Send Port Example 166
Physical and Logical Connections
167
Physical and Logical Source 168
User Parameters
170
Top Level User Parameters 171
Nested User Parameters 171
Parameter Hints 171
Parameter Expressions
172
172
Python 172
CEL
173
Enableable Parameter Groups
174
Dynamic Arrays for PRMan Shader Parameters
175