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The Hollywood Composite?
I have a quick “how do they do that?” Question. In movies like transformers where they rely on CG heavily how do they make it look as if the transformers are in the scene? Now hold on for a minute , i know that answer can range for many miles. What I mean is i know how they do the animation and CG and use some tracker to get the Robots steady with the shot or they have a motion rig, but what i want to know is when there is a scene with a real actor and a human how do they make the robot appear behind the human, I can not imagine them rotoscoping/rotosplining all the CG elements out behing all different types of objects, im sure they do in some cases, but what is thier main tool they use to make the CG elements appear behind live action objects.?
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4 Replies
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Nowadays, the actors are often shot on bluescreen, a la Sky Captain or Sin City. Alternately, some of the foreground objects may be CG — no roto required. Or they roto. It depends on the objects.
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today they use both motion control cameras and rigs and motion tracking. Actually matching the camera moves is the easy part compared with the technical aspects of matching lighting, grain, color grading, and all the other elements that make a shot believable. The least expensive way to track is with something like Moca or Synth Eyes. The rest just takes lots of patience and skill.
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You forgot money.
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Mark Allen did an article that is very much within the scope of this question. In the article Mark explores many of the factors involved in creating the powerful look and feel of cinematic composites.
It is in the new issue of Creative COW Magazine and you can get it free by visiting the magazine at https://www.creativecowmagazine.com
There, you will find the link with the free issues that you can download.
Best regards,
Ron Lindeboom
creativecow.net
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