Ben G unguren
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After Effects Coin
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COW Coins
Forum Replies Created
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You should ask this in the expressions forum! Lots of scripters hanging out there….
Ben Unguren
Motion Graphics & Editing
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FWIW, there is an AE preference to “default spacial interpolation to linear” keyframes (off by default). I prefer to turn this on, and then bezier things up on my own after roughing out the initial animation. I find I have fewer unexpected results this way.
Really, this should be the default pref in AE, as default bezier throws less-experienced users off pretty frequently. But I suppose it’s been the other way for so long, it would disorient a lot of experienced users if suddenly the pref changed…
Ben Unguren
Motion Graphics & Editing
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The basic technique would look as follows:
TOP LAYER: Footage of your masked character — masks and effects on this layer
BOTTOM LAYER: Footage of your background (possibly identical footage, but without the masks and effects)
This should get the job done, assuming your masks have been set up correctly (they need to be “closed” masks; they have the correct blend modes, etc — you can check this by looking at the masked layer only and making sure things are cut out how you want them).
Ben Unguren
Motion Graphics & Editing
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Thanks everyone. I missed that one!
Ben Unguren
Motion Graphics & Editing
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andru, you’ll need to be more specific. When you create a closed mask anything outside the mask will disappear. Is that what’s happening? In that case, make a copy of your layer and put it underneath the masked layer.
If that isn’t the problem, maybe you could post a screenshot, or give more details on what you’re doing.
Ben Unguren
Motion Graphics & Editing
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Ah, shucks. Submitted.
Ben Unguren
Motion Graphics & Editing
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Have you tried rendering the comp within After Effects? Not sure what the issue with AME is, but if you can get the render to work out of AE, you can put that render in place of the dynamic link (or right above it, and disable dynamic linked file).
Ben Unguren
Motion Graphics & Editing
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There’s a nice tutorial on face replacement with Mocha and AE. It should explain all you need to know (and more). Note that he’s using a video (moving) face and you’d only need a still — all the better! Here’s the link:
https://blogs.adobe.com/toddkopriva/2009/04/face-replacement-with-mocha-fr.html
Ben Unguren
Motion Graphics & Editing
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Can you post a screenshot? That would help troubleshoot the problem.
One thing to keep in mind is that DOF maps have an inherent limitation where edges are concerned.
The inherent limitation: you can’t [or shouldn’t] anti-alias depth maps
The reason for this is pretty evident once you go through the logic. If white is close, black is distant, imagine a very-close (white) plane in front of a very distant (black) plane. Imagine that they intersect visually — white edge over black background.
Now examine the depth map in this imaginary situation. If you want that white/black depth-map edge to look smooth, you’d have to anti-alias it, which involves “blending” the white edge to the black, creating… (wait for it) … GREYS! Which, technically, suggest little bits and pieces floating in z-space from the edge of the white plane to where it intersects with the black plane.
So you have an aliased DOF image, and are using it with an anti-aliased render. And sometimes it doesn’t work that well.
Usually this doesn’t matter, especially with more organic 3D objects. But if you have really strong, contrasty edges in your render (a red box against a green background) or dramatic changes in DOF, you will begin to notice that the edges don’t look right…. For the reason above.
The best solution I’ve found is to render your DOF blur in your 3D program of choice using the “Full Sample” option (C4D has this option, I believe…). Full Sample usually takes a bit longer to render, but when crazy DOF is involved, it looks sooooooooo much better than doing it in AE. In my opinion.
Ben Unguren
Motion Graphics & Editing
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Glad you “tried the obvious avenues” prior to posting your question.
You wrote that you were trying to identify an asset’s codec. Editing with mpeg2, mt2, mpeg4 etc is rare at best, so I imagine most readers assumed you were either dealing with a MOV or AVI container.
Next time if you are more specific in your post it will help us avoid posting obvious answers.
Ben Unguren
Motion Graphics & Editing
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