Katana Developer Guide
6.5v4

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
  • Built-in Op Types
  • Configuration
  • Cook Interface
  • Cook Interface Utilities
  • Hints
  • Look Files
  • Material Resolve
  • Op Args Builders
  • Paths
  • Resolutions
  • Transformations
  • ExpressionMath
    • ExpressionMath (C++)
    • ExpressionMath (OpScript)
    • ExpressionMath (Python)
  • 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
  • Utilities
  • Viewer Plug-ins
  • Hydra Render Delegates
  • Katana USD Plug-ins
  • Look File Baking
  • Material Soloing
  • Render Farm Plug-ins

Performance

  • Profile Results

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

USD Processing Engine

  • Usd Processing Engine API
  • Basic API Usage
  • Usg Python API
  • UsdPythonWrite

API Reference

  • C++ Header Index
  • Python Module Index
  • Lua Module Index
Katana Developer Guide
  • ExpressionMath
  • View page source

ExpressionMathΒΆ

  • ExpressionMath (C++)
  • ExpressionMath (OpScript)
    • Utilities
    • Retiming
    • Noise
    • Hashing
  • ExpressionMath (Python)
    • Utilities
      • ifelse()
      • clamp()
      • lerp()
      • smoothstep()
      • fit()
      • cfit()
      • softcfit()
      • retime()
    • Noise
      • noise()
      • snoise()
      • randval()
    • Hashing
      • stablehash()
    • Floating Point
      • isinf()
      • isnan()
      • isfinite()
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