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a clip, you can use both the Frame and Offset fields to tell you how many
more or fewer frames the clip will have.
Trim Clips Clips can be trimmed from their original lengths interactively.
When using this mode, you can grab the edge of a clip and drag it to a new
frame within the clip’s original length. This mode will display all trimmed
portions of clips in the Motion Mixer as gray. See
Adjusting Clip Timing on
page 3722.
Editable Time Warps Clips can be interactively time warped, given that
they have had a time warp applied. When in this mode, you can place seams
in a clip and then drag them within the clip’s original length. See Adding
Time Warps
on page 3733.
Draggable Tracks Enables vertical movement of tracks with clips. Holding
down the Shift key while moving a track creates a clone of the original track.
Lock Transitions When Lock Transitions is turned off (the default),
moving a clip or changing its length on a transition track affect the lengths
of transitions around the clip. When Lock Transitions is turned on, transition
lengths do not change when you move a clip or drag clip edges not touching
the transition. You can still change a transition's length by dragging the edges
of the transition itself.
Set Range Matches the active segment's start and end times to the extents
of the mix.
Pan Pans the Motion Mixer display horizontally and vertically.
Zoom Extents Stretches or shrinks the mix to fit in the current Motion
Mixer display.
Zoom Allows horizontal stretching and shrinking of the display of the
mix.
Zoom Region Zoom into a portion of a track by dragging a region
selection around that part of a track.
3778 | Chapter 15 Animation