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placing design over video in AE
Hey whats up! There is obviously something wrong I am doing here but I can’t tell!
I am trying to create a green lens flare that shoots out when a black box opens. The video for the black box is a QT.
I have created my lens flare using two solids, a black solid (where the lens flare has been placed) and a green solid (to create the green colour).
I have the animation exactly how I want it, but when I try to place my animatied lens flare over the video, it cuts straight to the lens flare comp instead of superimposing the lens flare over the video as I want. IE, the video begins, and the box opens then it cuts straight to my black solid and green lens flare.
I have been thinking that it is an alpha channel issue that I am having but I can’t seem to figure it out. Possibly that the QT was rendered out in such a way that won’t allow things to play in the alpha channel.
Am I missing something here? Or is there an easier way to do this possibly?
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4 Replies
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Sound like you’re on the right track, Jordan, but it’s your flare’s layer that’s the problem. You need to eliminate the black to see through to the QT.
Is there a reason you’ve put the flare on a black BG? Can you create the effect without a black solid? This would create an alpha that would show the QT.
Otherwise, trying applying a key to your flare to key out the black. You may need to precompose your flare layers first, though, and then apply the key to the pre-comp.
Let me know if this helps at all.
Enzo Tedeschi
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Editor
Sydney, Australia -
I guess somewhere along the line I thought that I needed a solid black layer to put the lens flare on and the solid green was for the green colour.
I will totally try keying out the blacks in the flare. That sounds like it might work (I knew I was missing something)!
I guess maybe another way to go about it just add a lens flare and make it green.
So maybe my real question is how do I superimpose a lens flare and change the colour so that only the lens flare is green?
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I don’t think keying out the blacks will be satisfactory. I would suggest changing the lensflare’s blend mode to lighten or add.
You can change the colour of the lensflare a lot of ways. The way I’d probably do it is to apply a levels filter, and reduce the amount of red and blue.
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AH! Yeah I changed the mode to screen and I’ll add levels! Thanks guys! Ill let you know.
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