
AFTER EFFECTS CS3
User Guide
344
Track point components and Selection tool pointer icons
A. Search region B. Feature region C. Keyframe marker D. Attach point E. Moves search region F. Moves both regions G. Moves entire track
point H. Moves attach point I. Moves entire track point J. Resizes region
• To turn on or off feature region magnification, choose Magnify Feature When Dragging from the Tracker
Controls panel menu.
• To move the feature region, search region, and attach point together, drag inside the track point area (avoiding the
regionedgesandtheattachpoint),orpresstheUp,Down,Left,orRightArrowkey.HoldShiftwhilepressingan
arrow key to move by an increment 10 times as large.
• To move only the feature and search regions together, drag the edge of the feature region, or Alt-drag (Windows)
or Option-drag (Mac OS) with the Selection tool inside the feature or search region. You can also hold Alt
(Windows) or Option (Mac OS) while pressing the Up, Down, Left, or Right Arrow key. Hold Alt+Shift
(Windows) or Option+Shift (Mac OS) while pressing an arrow key to move by an increment 10 times as large.
• To move only the search region, drag the edge of the search region.
Offsetthesearchregioncenterfromthefeatureregioncenterinthedirectioninwhichthetrackedfeatureistraveling.
• To move only the attach point, drag the attach point.
• To resize the feature or search region, drag a corner handle.
• Tomakealloftheregion’ssidesmatchthelengthofthelongestside,andtoresizetheregionrelativetotheoriginal
region’s center point, Shift-drag a corner handle.
• To make all of the region’s sides match the length of the longest side, and to resize the region relative to a particular
corner handle, Ctrl+Shift-drag (Windows) or Command+Shift-drag (Mac (OS) the opposite corner handle.
To restrict the movement of the track point to the x (horizontal) or y (vertical) axis during tracking, resize the height
or width of the search region to match the height or width of the feature region.
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