Nuke, TUTORIALS - 2D, 3D — 2015/08/31 at 下午3:00

Nuke RotoPaint Tutorial- Output paint strokes only

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Here’s a quick tutorial with a useful trick for rendering only the paint that you create from a node. This allows you to separate the results of your paint from the background, enabling you to warp and morph and color correct it in order to integrate it with the background.

There’s also a quick sidebar discussion about the ins and outs of rotos and transforms to nodes.

It’s worth mentioning that this technique is not suitable for all situations. There are circumstances where it would actually be more desireable to paint a cleanplate on a single frame and track that in, rather than only using the strokes that generated the cleanplate. This strategy is very useful in many circumstances however, especially when you need to extract only the area affected by your paint.

Thanks to the Tears of Steel project for allowing people to use their footage, and for posting shots as exr frames!
https://mango.blender.org/about/
https://media.xiph.org/tearsofsteel/tearsofsteel-frames-exr/

Also here is the tracker linking tool that I mention in the video:
http://jedypod.com/tracker--tools
https://gist.github.com/jedypod/6969051

Also sorry for the horrible audio, I currently only have my laptop for doing screen recordings!


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