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How do I have an outline stroke/paint on the rotoscope outline on a moving object?

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Nick Vu
How do I have an outline stroke/paint on the rotoscope outline on a moving object?
on May 15, 2016 at 9:20:22 am

I'm having a problem. I outlined a moving object using the roto brush tool and I can't seem to do anything that I'm looking for. I want to put an outline on the object but the paint brush will still only paint anywhere. I tried the outline effect, but that colors in the whole body. Is there a way I can just keep the roto brush outline? I don't understand how something as simple as outlining an object when everything else is removed is so hard, or maybe I'm just stupid? I'm using the "Replace with After Effects Composition" in Premiere if that matters.


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Dave LaRonde
Re: How do I have an outline stroke/paint on the rotoscope outline on a moving object?
on May 15, 2016 at 12:38:33 pm

Try Autotrace.

Dave LaRonde
Promotion Producer
KGAN (CBS) & KFXA (Fox) Cedar Rapids, IA


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jay mueller
Re: How do I have an outline stroke/paint on the rotoscope outline on a moving object?
on May 16, 2016 at 2:01:06 pm

make your rotoscope layer a sub-comp. Then apply: layer styles / stroke


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Nick Vu
Re: How do I have an outline stroke/paint on the rotoscope outline on a moving object?
on May 16, 2016 at 9:47:46 pm

I'm sorry guys, I'm in a bit of hurry because the video has to be done pretty soon, and I'm using someone else's computer to work the program so I can't exactly learn everything (yet). If you don't mind, can you please tell me how to use autotracing and setting layers and all that? I'd greatly appreciate it!


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Dave LaRonde
Re: How do I have an outline stroke/paint on the rotoscope outline on a moving object?
on May 16, 2016 at 10:07:37 pm

Precomp the toto'd layer. Highlight it. Go Layer>Auto-Trace. Use the alpha channel. It creates a mask or an animated mask on a solid, based on the alpha channel. You can then apply the Stroke effect to the mask. There's your outline.

Dave LaRonde
Promotion Producer
KGAN (CBS) & KFXA (Fox) Cedar Rapids, IA


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