Adobe After Effects CS3 Manuel d'utilisateur Page 114

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AFTER EFFECTS CS3
User Guide
109
Create multiple composition from multiple footage items
1
Select footage items in the Project panel.
2 DragtheselectedfootageitemstotheCreateANewCompositionbutton atthebottomoftheProjectpanel,
or choose File > New Comp From Selection.
3 Select Multiple Compositions and other settings in the New Composition From Selection dialog box:
Still Duration The duration of the compositions created from still images.
Add To Render Queue Add the new compositions to the render queue.
Duplicate a composition
1
Select the composition in the Project panel.
2 Choose Edit > Duplicate or press Control+D (Windows) or Command+D (Mac OS).
Timeline panel overview
Each composition has its own Timeline panel. You use the Timeline panel to perform many tasks, such as animating
layer properties, arranging layers in time, and setting blending modes. The layers at the bottom of the layer stacking
order in the Timeline panel are rendered first and—in the case of 2D image layers— appear farthest back in the
Composition panel.
To cycle forward through Timeline panels, press Alt+Shift+period (.) (Windows) or Option+Shift+period (.)
(Mac OS). To cycle backward through Timeline panels, press Alt+Shift+comma (,) (Windows) or
Option+Shift+comma (,) (Mac OS).
A compositions current time is indicated by the current-time indicator, the vertical red line in the time graph. A
compositions current time also appears in the current time display in the upper-left corner of the Timeline panel.
For more information on moving the current-time indicator, see “Move the current-time indicator” on page 123.
A. Current-time display B. Current-time indicator C. Time ruler D. Layer switches E. Time graph
The left side of the Timeline panel consists of columns of controls for layers. The right side of the Timeline panel—
the time graph—contains a time ruler, markers, keyframes, expressions, duration bars for layers (in layer bar mode),
and the Graph Editor (in Graph Editor mode).
Press the backslash (\) key to switch activation between the Composition panel and Timeline panel for the current
composition.
See also
Show and hide layers in the Timeline panel” on page 150
“Layer switches and columns in the Timeline panel” on page 147
“Work with the Graph Editor” on page 184
E
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Avenue 17 24 Apr 2024 | 16:19:09

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