Adobe After Effects CS4 Visual Effects and Compositing by Mark Christiansen

By Mark Christiansen

This can be the single ebook within the After results industry to concentration completely at the construction of visible results, and is a one-stop source for an individual who desires in-depth factors that demystify the world of visible results and the way they have been created, due to veteran writer Mark Christiansen's pleasant and obtainable sort. A completely packed, informative learn, this masterful advisor makes a speciality of explaining the fundamental recommendations, good points, and methods which are key to making seamless movie-quality visible results. clients who're pleased with After results will discover a worthwhile evaluation of After results fundamentals—managing pictures, viewing and modifying layers, animating style, and more—so they could the best way to paintings smarter and extra successfully. Readers of all degrees will research center ideas for results compositing together with colour matching, keying, rotoscoping, movement monitoring, emulating the digicam, and concluding with utilizing expressions in After results, written through contributor and specialist Dan Ebberts. the ultimate part of the ebook delves into artistic explorations, demonstrating expert results that readers will need to re-create. Readers also will locate complete assurance of all that is new and makes this model of Adobe’s results application one of these boon to video professionals of all stripes: searchable timelines and tasks, Photoshop 3D layers import, the caricature influence, Imagineer platforms’ Mocha for Adobe After results, better workflow for cellular units, and extra. through the e-book, appealing full-color examples exhibit what is attainable, whereas the better half DVD deals demos of After results CS4, pattern pictures, and software program plug-ins.

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Other formats with lossless compression, such as TGA, don’t support multiple bit-depths and layers like TIFF does. PNG is more limited and slower, but the file sizes are smaller. 5 or DPX, see Cineon Settings) CRW 12 N N N N EXR (now 16/32 native in CS4) Y N Y Y JPG N Y N Y 8 After Effects CS4 now includes EXR tools, which are highlighted in Chapter 12. 22 For film and computer graphics, it is normal to pass around CIN and DPX files (essentially the same format) and EXR, designed (and open-sourced) by ILM specifically to handle HDR renders with multiple channels of data (and these can be customized to contain useful information such as Z depth and motion data).

You can easily avoid these types of problems: After Effects does not guess an alpha unless you specifically click Guess; if you merely clear the dialog (Esc) it uses the previous default. If the alpha channel type is unclear, click Guess in the mini Interpretation dialog that appears when importing footage with alpha. This often (not always) yields a correct setting. Preferences > Import contains a default alpha channel preference, which is fine to set on a project with consistent alpha handling.

Deactivate Live Update and the behavior is inverted; the modifier keys instead enable real-time updates. Activate Caps Lock. 21b). 21 Disabling Live Update (a) and enabling Caps Lock (b) could be seen as desperation moves when interactivity becomes unacceptable, but the former is rarely necessary (you can do it temporarily with Option/Alt) and the latter can actually be a handy way to do setup as quickly as possible without worrying about previews. Enable OpenGL. Preferences > Previews includes the Enable OpenGL option, off by default (and unavailable with older graphics cards).

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