MULTI PASS RENDERING AND COMPOSITING WITH ROBBY BRANHAM tutorial series 11

 This tutorial focuses on 2D motion blur and 2D depth of field in Nuke. Motion blur is an outline of movement. Depth of field (dop) blurs the foreground to make the midground more critical. These techniques are used in film and they can also be used in animation. This is not possible in Maya, so it can only be done in Nuke as it is part of the post-production pipeline. Doing a vector blur gives a fuzzy outline of the model. Though stylized in some cases, it can still be too much, so unpremult can make it look smoother. It is important to unpremult the depth pass, not RGB already set up. The depth channel may be jagged making it look unfiltered, but it is not unpremulted. The depth channel removes the artifacting (pixels blurring into each other).


Note: it is important to do the first premults first before doing depth of field as without the foreground, midground and background being filtered and separated, it is more difficult to edit them and it makes more sense to start the project over again.

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