Katana Developer Guide

3.6v2

Application

CEL Reference
Attribute Conventions
Environment Variables
Args Files
External Software
Copyright Notices

Parameter Expressions

Overview
Python Expressions
Reference Expressions

Scripting in Katana

Working with Projects
Working with Nodes
Customizing Node Types
Customizing the User Interface
Rendering a Scene
Cooking a Scene
Callbacks and Events

Ops and OpScript

Asset API
Attributes
Attribute Function
Configuration
Cook Interface
Cook Interface Utilities
Hints
Look Files
Material Resolve
Op Args Builders
Paths
Resolutions
Transformations
ExpressionMath
Imath
pystring
OpWrite

Writing Plug-ins

The Plug-in System
Native Plug-in Compatibility
Asset Plug-ins
Display Driver Plug-ins
Renderer Plug-ins
Default Attribute Producer Plug-ins
Legacy Plug-ins
Utilities
Viewer Plug-ins
Hydra Render Delegates
Katana USD Plug-ins
LookFileBake Output Format Plug-ins

Performance Optimization Guide

Profiling and Optimization Guide: Start Here
Designing Node Graphs for Optimal Performance
Improving Op Performance
Composing Concurrency-Friendly Scenes
Improving OpScript Performance

API Reference

C++ Header Index

Lua Module Index
Python Module Index

Katana Developer Guide

Docs »
Working with Nodes »
Parameters »
Parameter Node Defaults
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Parameter Node Defaults¶

Parameter.hasUseNodeDefault()¶

Parameter.setUseNodeDefault(value)¶

Parameter.useNodeDefault()¶

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