Boris FX Boris Calligraphy Vresion 2.0 Guía de usuario Pagina 144

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Chapter 3 Starting Your Project
144
Fields dominance of the format
Aspect ratio to determine the pixel ratio for the specified file
Key to determine how the alpha information in the image is used. If you select No
Alpha, then the movie’s alpha channel is ignored making the image 100% opaque.
If your movie file's alpha channel is premultiplied with a color other than white or
black, set the alpha channel to Straight Alpha and use the Premultiplied Alpha Key
filter to remove colored edges after the file is imported. See About Keying on
page 273.
Flip image
Start time of the movie in frames. You can either enter the timecode or drag the face
track to the appropriate frame—see “Slipping Movies in the Timeline” on page 50.
Clip Head and Clip Tail to set the number of frames to clip at the head and tail of the
movie respectively.
n
Any changes to the Start Time, Clip Head, and Clip Tail settings are applied globally to all
instances of the movie
Check the Share Movie box to import the same Movie file multiple times in an effect.
Cache Movie Frames to control the size of the cached frames. To speed up the
caching process, set the current resolution size—see “Using Frame Cache Features”
on page 581.
Check the Invert Alpha box to invert the clip’s original alpha
Check the Loop Movie box to loop the playback of the movie to create a movie that
extends over the entire length of the effect.
Loop Mode.
Loop Increment to change the start frame from loop to loop.
n
When you create looping movies, render the effect with the Better Quality Field Rendering
setting. See “Preview Tab” on page 166.
For detailed parameter descriptions, see“Movie Media Tab” on page 129.
Importing Audio Files
As with movie files, you can import audio from the timeline or the Project window and then
drag to the timeline. Once on the timeline, you can scrub through and synchronize your
effect with the audio. You can also animate volume and balance information using unlimited
keyframes.
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