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NUKE Python Developer's Guide v11.3v2 documentation
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Welcome to NUKE Python Developer’s Guide
¶
Contents:
Introduction
Info
Start-up Scripts
Evaluation Order
menu.py
init.py
Getting Started
Creating Nodes and Setting Their Controls
Creating a Node in the User Interface
Creating a Node for Scripting
Setting Controls at Node Creation
Assigning Variables
Getting the Node Object for Existing Nodes
Accessing Selected Nodes in the Node Graph
Adding Controls to Nodes
Showing and Hiding a Node’s Properties Panel
Connecting Nodes and Setting Their Inputs
Setting Default Values for Controls
Rendering with the Write Node
Flipbooking with External Applications
Listing a Node’s Controls
Undoing and Redoing Actions
Frame Navigation
Setting Frame Ranges
Marking Frame Numbers in File Names
Copying an Animation Curve Between Nodes
Overriding the Creation of a Particular Node
Getting Information on the NUKE Environment You Are Running
Accessing Node Metadata
Creating Dialogs and Panels
Creating Modal Dialogs
Python Dialog Example
Creating Non-Modal Panels
Non-Modal Panel Example
Creating Progress Bar Dialogs
Clearing out the Current NUKE (.nk) Script
Creating Views for a Stereoscopic Project
Adjusting Control Values in Stereo Projects
Nuke as a Python Module
Licensing
Animation
Setting Keys
Detecting Keys
Examples
Baking Animation
Using the Command-line
Running NUKE in Python Mode
Using Command-line Arguments
Modifying Existing NUKE Scripts
Executing Frame Ranges
Callbacks
OnUserCreate
onCreate
onScriptLoad
onScriptSave
onScriptClose
onDestroy
knobChanged
updateUI
autolabel
beforeRender
beforeFrameRender
afterFrameRender
afterRender
afterBackgroundRender
afterBackgroundFrameRender
filenameFilter
validateFilename
autoSaveFilter
autoSaveRestoreFilter
autoSaveDeleteFilter
Using Autosave Callbacks to Implement a Rolling Autosave
Using Callbacks on Root to Add Stereo Setup
Default Colorspaces
Stereo
Multi View Knob Values
Examples
Creating/Converting a Stereo Camera
Setting Up Stereo
Roto and RotoPaint
Examples
paintTrajectory
trackShape
path Controller
trackCV
Accessing Image Data
Using the CurveTool
Using the Sample Method
Examples
getMinMax
Using Sample
Custom Panels
Simple Panel Commands
Simple Panel Object
Python Panels
ShapePanel
ShapeAndCVPanel
Search and Replace Panel
Extending NUKE with PySide
My First PySide Window
Dockable PySide Widgets
Migrating from PyQt Applications
Customizing the UI
Creating a Custom Menu
Creating a Custom Toolbar
Creating a Custom Menu Item
Assigning a Hotkey
Defining Knob Defaults
Custom Flipbooks
Using Tweak Software’s RV as the Default Flipbook Application
Metadata
Reading Metadata
Setting Metadata
Examples
createMetaDatCam
Working with Channels and Layers
Reading Channels
Adding New Channels
Examples
autoComp
Manipulating the Node Graph
Getting and Setting Node Positions
Controlling the Node Graph’s Pan and Zoom
Examples
A Circle Made of Dot Nodes
A Spiral
Controlling the Distance between Nodes
Formats
Reading Formats
Adding a New Format
Setting Formats
Math
Using matrix
Example
paintPoints
Asset Management Systems / Pipeline Integration
Custom Script Save Workflow
Custom Script Load Workflow
Custom Write Node
Custom Read Node
Custom UDIM Parsing function
Threading
Examples
MirrorNodes
Render Farm Integration (Concept)
Performance Profiling
Using Performance Timers
A Note on Nuke’s Architecture
Obtaining Performance Timings via Python
Other Performance Statistics
Writing Performance Information to an XML File
Installing Plug-ins
Home Directory
Custom Plug-in Repository
Sample Scripts
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