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5.2, 6.0 or later
This script exists because our company renderfarm wasn't alive yet and I was already frustrated with rendering in the Nuke UI and tired of typing out command-line render commands to background the renders. I am sharing it because I'm sure my situation was not unique.
How to install
Put bgNukes in your .nuke directory (or somewhere else in your Nuke path if you're fancy), then add this line to your menu.py:
Importing the module adds a "BG Render" item to the Render menu.
How to use
Select the Write node (or nodes) that you want to render. (If you don't select anything, that's the same as if you selected everything.) Now select the "BG Render" item from the Render menu. In the panel, tell it which frames and how many instances you want and click OK.
This script launches a number of command-line render instances in the background and captures their output in log files which are saved to the same directory as the Nuke script. You are now free to keep working in the UI and have your renders happen in the background. You are also free to to launch 8 simultaneous command-line Nuke renderers and fully saturate your fancy 8-core MacPro.
It works in Nuke 5.2 and 6.0 on OS X. One of my goals is to ensure that it works on Nuke5.2 to the current version as well as any platform. Maybe it already does. If you've tested it and it worked (or didn't) please let me know what happened.
Thanks go to Nathan Dunsworth. His localRender.py was (and continues to be) an excellent reference.
Copyright (c) 2010 Tim BOWMAN
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 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.