Film Grain
You’re nearly finished with the futuristic vision of New York City, but you need to attend to one last detail. If you do a RAM preview of the comp at 100% and full resolution, you’ll see that there is animated noise in the plate, called film grain. This grain dances in the background; it’s an artifact of the photography process. However, the painted elements evidence none of this dancing grain, so it’s easy to tell what is painted and what is part of the live shot. The painted elements also look sharper than the plate.
The last step in this project is to degrade all your beautiful work to match the footage by blurring and adding film grain. You should do this last because the Grain filter is computationally intensive, and your computer ...
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