We have pulled our finest matte, refined it, and despilled the foreground layer. Now it is time to bring everything together in the composite. This chapter examines in detail the three steps within the compositing operation itself with an eye toward what goes on inside the typical compositing node. After a clear understanding of the compositing operation, some suggestions on how to refine and improve the overall appearance of all composites are offered.
When compositing cgi (computer-generated images), some special issues surface for color correction operations. The cgi comes to you “premultiplied,” which is an unnatural state for color correcting. Understanding what this is and how it affects the process is essential ...