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mocha has always been very popular as a tracking tool, but with the rising interest in stereo 3D conversion, its rotoscoping capabilities have become a favorite player in that pipeline and sales have soared. In this course, Steve Wright covers the basics of operating mocha, as well as advanced tracking and rotoscoping techniques. The course also covers the mocha/Nuke stereo 3D production pipeline in detail.
Mocha will export Splines or Shape data to the great many programs. There are far too many we show them all, so in this section we'll give you the overall work flow, let's see an example of using Nuke. Well the Mocha side of the Spline Export is the same for all programs. each program has its own setup when importing the Mocha Shapes. To learn specifics about your particular program, you'll find helpful tutorials on imaginersystems.com website. I'm using the exporting splines. mocha file from the project Media folder.
So I'd like to export all the Splines to Nuke. So down here in the Export Data I'd like to get the Export Shape Data but it's all ghosted. The Export Shape Data will be ghosted until you've selected at least one shape there, now it's not ghosted anymore. Okay, so we can click on Export Shape Data and get the Export Shape Data dialog box. First up is the Format, this pop-up has the list of all the different applications that you can load the Shape Data into.
Here's Combustion, Flame, this is the Nuke Roto Paint which came out with the Nuke 6.0, and this is the Nuke Roto Node which came out with the Nuke 6.2. Here's Shake, After Effects and Final Cut Pro. I'm going to use Nuke 6.2 just the Roto note, once the format is selected next is the export options. If you choose Selected layer that only have a one shape, it's been selected will be exported, All visible layers will get all of these shapes that are visible, All layers will get the visible shapes plus any hidden shapes like this tracker which I do not want, so I'm going to select All visible layers.
We're ready to export and now we have two options. If I select Save, the exported shapes go to a file, in this case in Nuke script but it could be in After Effects or in Final Cut Pro which you'd then load into your app. The most elegant way to export it however is to simply click on Copy to Clipboard, so now all my shape data is copied to the clipboard which I can then do a paste into my application. So let's switch over to Nuke and see how to paste it in.
I'll select the Read note and I'll do Command+V or Ctrl+V and there it is, there is my Rotoes, we'll open up the Roto Note and I can turn off the Output so that we can see the outline or the shapes themselves. As you can see it's very easy to export local shapes to any program, we still have to see how to export tracking data and that we'll be covered in the upcoming videos in the advanced tracking lesson.
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