Infoseite // Shadow in the compositing



Frage von sunlite:


Because I am not sure if it works this way, what I intend, I set up my After Effects issue again as the effect of general issue.

...
So I want to test as the bullet-adjust Effect of "Matrix". You know. Because when bullets fly in slow motion, and (front s.der ball) wegdrückt the air, while we see a wavy pattern behind s.der ball of air.

I created this in the entire Mayan ball effect already (thus pushing away the ball sequence with air against a blue background - in order BlueBox-Effect).
Furthermore, I have a camera recording with a person who is just a gun pressed.
Now I want to bring these two video sequences. This is in After Effects really no big problem.

BUT!
I would like to see the flying ball (from the one Filmsquenz () in the other person shooting the film sequence), a shadow s.Boden shows how it would in reality be the case.
So my question: Is it possible to produce a shadow in a video sequence by an object in a different video sequence?
I know that it is in the program Combustion 4 for example (which I read in a book). But I just have no use After Effects and Combustion 4 (because too expensive). But as After Effects, Combustion, as basically a post-production program, I had hoped to be able to show with After Effects, this shadow effect as well. If this is not synonymous with After Effects, how it works, I would obviously synonymous very grateful for more ideas. ;)

Greetings!

Space


Antwort von prem:

Hello
Quote: So my question: Is it possible to produce a shadow in a video sequence by an object in a different video sequence?
Of course, duplicate fill your black footage> with, now you have your shadow.

Space


Antwort von Vipe:

Oh man ... you use Maya, but apparently you've never done it or thought as son compositing runs as the data transfer is taking place ...

Why do you render the front of blue? Render it with an alpha channel ... even if you will render a pure blue in the background, the edges when Keyen not be optimal ...

And how do you render the shadow not just jump in with Maya? is still garkeine topic ... Shadow object on the ground and is good ...

Space





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