November 2017
Intermediate to advanced
576 pages
18h 18m
English
Content preview from Digital Compositing for Film and Video, 4th Edition
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7Compositing CGI
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Much of the visual effects compositing today is about compositing CGI (Computer Generated Images) so the modern digital compositor must become familiar with the terminology and techniques for this essential branch of compositing. In this chapter we will look at what lighting passes are, then examine the proper workflows for compositing multi-pass CGI, and which math operators to use for each type of lighting pass. We will also look at AOVs (Arbitrary Output Variables) and their many important roles in compositing CGI. Normals relighting is a very powerful technology for compositors as it ...
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