Can any one direct me to a good set of tutorials or even a book on how to do advanced set extensions in after effects? I've studied videocopilot.net's tutorials around the subject and they are great but I'm looking to learn how to extend exsisting sets and not to create ones from scratch. Here's what I mean(and I'm not really even sure what that's called, so maybe that's why I couldn't find much on CCOW and the internet in general):
Say you have a shot of a building tilting down from the sky to the bottom of the building, I want to be able to extend the building so it looks like it's much taller that it actually is(i.e. the bits of the sky appear to have a vanishing point extension of the building) Tried different 3D camera trackers(including the CS6 built in tracker) and adding a photoshop cloned layer of section of the building to the comp... I was trying to replicate the effect done in The Big Lebowski of the infinitly long bowling shoe shelves during dream scene of the movie...didn't work at all.
A pan shot with a trailer truck in the backgound, add another instance of the trailer so it looks like the truck is longer than it actually is.
I know a lot of things can be done by creating 3D models and tracking the camera in the shot and then compositing the model into the shot but I don't have alot of skills with 3D modeling software and I wanted to see if there are some tricks to doing this in AE using AE's 3D capabilities.
PS. I apologize if this is not called "set extension", I just couldn't find a better way to describe it.
[Ihab Ali]"Tried different 3D camera trackers(including the CS6 built in tracker) and adding a photoshop cloned layer of section of the building to the comp... I was trying to replicate the effect done in The Big Lebowski of the infinitly long bowling shoe shelves during dream scene of the movie...didn't work at all. "
Camera projection should help a great deal. Ben Rollason provides the best single-sentence explanation of projection that I've seen yet: "By projecting the camera's view onto a match-moved surface, Projection effectively creates a plate from a moving shot - a static overhead view of part of the moving image."
He continues: "That makes altering that part of the image child's play. For instance, tracking marks in a shot can now be removed with a single quick paint stroke, taking seconds instead of hours."
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