Chapter 9 Addtransitions,titles,eects,andgenerators 232
6 Click Done to have the crop applied and see the image zoomed to ll the screen.
You can animate the eect, creating the illusion of a pan and zoom camera move (eectively,
a manual Ken Burns eect). For details on working with built-in eects, see Work with built-in
eects on page 235.
Pan and zoom clips with the Ken Burns eect
The Ken Burns eect creates a pan and zoom eect using the start and end positions you dene.
The Ken Burns eect is actually a Crop eect with two crop settings, one at the clip start and
another at its end.
You can further customize the Ken Burns eect by controlling the smoothness of the animation.
The motion applied to a clip when you create a Ken Burns eect is automatically smoothed so
that the movement accelerates slowly as the animation starts, and decelerates slowly as the
clip comes to rest at the end of the animation. This simulates the eects of friction and inertia
that occur in the real world. In visual eects software, this trick is commonly called ease out and
ease in.
By default, a Ken Burns animation performs both of these smoothing operations (Ease Out and
Ease In), but you can customize the eect to limit the result to just easing out, just easing in, or
making a linear movement with no simulated inertia or friction.
Adjust the Ken Burns eect
1 Select a clip in the Timeline.
2 To access the Ken Burns controls, do one of the following:
•
Choose Crop from the pop-up menu in the lower-left corner of the Viewer (or press Shift-C).
•
Control-click in the Viewer and choose Crop from the shortcut menu.
67% resize factor
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