$GUI is a Nuke tool designed to manage the disable knob and optimize workflows.
$GUI Toggle
First submitted: 14 April 2026
Author: David Francois
Compatible Nuke versions: 14.0 or later
Compatibility: Windows
$GUI Toggle
$GUI is a Nuke tool designed to manage the disable knob and optimize workflows.
The $gui expression is a simple TCL command in Nuke that temporarily disables heavy nodes when viewing in the Viewer while keeping them active during farm rendering. This expression can improve workflow speed in complex Nuke scripts. By applying $gui to resource-intensive nodes, they are ignored in the Viewer display, providing a simplified and faster proxy version. However, during the final render on the farm, these nodes are reactivated, ensuring optimal quality.
Features
$GUI (Shortcut: Alt+D): Adds the
$guiexpression to the selected node's disable knob.$GUI All (Shortcut: Alt+4): Ensures specified nodes are dynamically disabled in GUI mode and enabled during rendering.
$GUI Settings (Shortcut: Shift+Alt+D): Configure which nodes are affected by the script.
Configuration
In version 1.2, you can specify how nodes are targeted by $GUI:
Filter by Name: Nodes are identified based on their names. For example, nodes containing "defocus", "vector", or "denoise" in their names.
Filter by Class: Nodes are identified based on their class type, such as
Defocus,VectorBlur, orDenoise.
To configure:
Open the
$GUI Settingspanel (Shortcut: Shift+Alt+D).Choose whether to filter nodes by their name or class.
Enter the list of node identifiers (separated by commas) that you want
$GUIto affect.
Installation
Place the
gui.pyandgui_settings.jsonfiles in the.nukedirectory:Windows:
%HOME%/.nuke/macOS/Linux:
~/.nuke/
Add the following commands to your
menu.pyfile located in the same.nukedirectory:
import nuke
import gui# Add a custom menu in Nuke
dd_tools_menu = nuke.menu('Nuke').addMenu('DD Tools')
dd_tools_menu.addCommand('$gui', 'gui.run()', 'Alt+D')
dd_tools_menu.addCommand('$gui all', 'gui.run_all()', 'Alt+4')
dd_tools_menu.addCommand('$gui setting', 'gui.setting()', 'Shift+Alt+D')
MIT License
Copyright (c) 2024 DuckyDav
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
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