Visual Effects for Film

VFX is a tool for your story telling~

Tag Archives: roto

Roto101 – How to separate what you want when you don’t have green screen

In the last post, we talked about when you have something/someone you want to keep but something you don’t want, you put a green/blue screen to cover what you don’t want. You have to keep what you want in the range of green/blue screen so the vfx artists can use some keying tools to get rid the green/blue screen and then replace it with something else. But what if for some reasons you didn’t use a green/blue screen when you shot and now you change your mind and want to replace something in the shot? Or what if the actor moved too big of a range and some part of him was out of the green/blue screen and you didn’t notice? This is where roto is needed.

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