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3:2 Pulldown Determines the phase of 3:2 pulldown introduction. See "Introducing 3:2
pulldown" on page 285.
Motion Blur Determines when motion blur is applied. Use On for Checked Layers to
render motion blur only for layers with motion blur enabled in the Switches panel in the
Timeline window, regardless of the composition's Enable Motion Blur setting. See "About
motion blur" on page 90. Shutter angle affects the amount of Motion Blur. Select Override
Shutter Angle if you don't want After Effects to use the shutter angle selected in the
Composition Settings dialog box, and specify a different shutter angle. For more infor-
mation on how shutter angle affects motion blur, see "Adjusting the shutter angle for
motion blur" on page 91.
Use Storage Overflow Determines whether rendering continues when the first
assigned storage volume overflows. If this option isn't selected, rendering stops when the
first assigned volume reaches capacity. See "Working with overflow volumes" on
page 300.
Time Span Indicates how much of the composition is being rendered. To render the
entire composition, choose Length of Comp. To render only the part of your composition
indicated by the work-area markers, choose Work Area Only. To render a custom time
span, choose Custom or simply click Set, type timecodes in Start, End, and Duration, and
then click OK.
Frame Rate Determines the sampling frame rate used to render the composition. Select
Use Comp's Frame Rate to use the frame rate specified in the Composition Settings dialog
box, or select Use this Frame Rate to type in a different frame rate. The actual frame rate of
the composition is unchanged.
Skip Existing Files When this option is selected, you can rerender part of a sequence of
files without wasting time on previously rendered frames. When rendering a sequence of
files, After Effects locates files that are part of the current sequence, identifies the missing
frames, and then renders only those frames, inserting them where they belong in the
sequence. You can also use this option to render single-frame sequences on multiple
systems.
Note: The current sequence must have the same name as the existing sequence, and the
starting frame number, frame rate, and time span must be the same.
Field-rendering considerations
If vertical scaling, translation, rotation, or effects are applied to the image, the two fields of
a video frame should be separated so that rendering can occur separately. If the field
settings in the Interpret Footage dialog box are correct for the input footage and the field
settings in the Render Settings dialog box are correct for the output device, you can mix
footage items of different field orders in a composition. If either of these settings is
incorrect, however, the frames will be in the correct order, but the field order may be
reversed, resulting in jerky, unacceptable images. The Upper Field First option corresponds
to Even Field First in an ElectricImage file. For more information, see "Testing the field-
rendering order" on page 302.
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Rendering a Movie
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