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Adjustment Layer adn Roto Question
First off I never really understood why you would need to key out as much as possible before rotoscoping. When you roto dont you simply have everything keyed out when you create ur masks around the shape you want to cut out? In AE the way I roto is just using animated masks but this takes forever and you must go frame by frame. Any other good apps out there that the pro’s use to do this such as silhoette or commotion? My second question is in AE i had my backgroudn then i roto’ed out a person and put them into the foreground. I needed to add fire on a seperate layer in front of them. Is adding an adjustment layer simply adding a new layer becasue i couldnt find where to add a new blank layer anywhere. If not what are adjusment layers used for? Thanks again
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3 Replies
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adjustment layers are used so you can add one effect to all the layers beneath your adjustment layer. for example; if i wanted to add a blur to every layer in my 100 layer comp – rather than go through and add the blur to each layer (time consuming + render heavy) – i can just add an adjustment layer up the top of the comp, add the blur to the adjustment layer, and bingo – it effects all my 100 layers below.
in response to your first question; if i understand it correctly – the reason why you’d try keying before rotoscoping is that roto work is very time consuming, so if you can save some time by pulling a key in a few minutes, it’ll work in your favour…
hope that helps 🙂
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Dave when I make a solid and put it on top of my comp cause the fire must be on top to be in front of everything then all you see is the solid color i choose. I bring the opacity down and it brings the fire down with it. I need a transparent blank layer i suppose
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what effect are you using to create the fire? Within the effect controls, there will be a setting to get rid of the solid bg – it will be listed as Transperancy or the likes. Usually right at the bottom…
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