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# Advanced Workflow & Extensions

Nuke Bridge

Katana’s Nuke Bridge lets you stream a render to Nuke for compositing, and then streams the comped pixels back to Katana for review or refinement.

Asset Management

An asset is an item of data that contributes to a Katana project.

LiveGroups

How to import another Katana project in to the current project and reload it every time the current project is updated.

Graph State Variables

Control which nodes in the node graph contribute to scene graph processing, based on the values of user-set variables.

Scripting and Programming

Get started scripting and programming in Katana using Python, Lua or C++.

Groups, Macros and Super Tools

An introduction to Groups, Macros and Super Tools.

Customizing GafferThree

Learn how to create custom package classes for GafferThree node types.