Graphics Reference
In-Depth Information
10
Use the keyboard's Page Up and Down (PgUp, PgDn) buttons to
advance the Layer Window's CTI three to five frames.
11
Reposition the Tracker Point manually using the mouse to re-center over
the feature; be ready to use 'Ctrl
Z' to Undo any errors you make
when moving the Track Point.
12
Repeat steps 8 and 9 using your good judgement to what constitutes
an acceptable loss of lock - try using the Single Frame Forward button
now and then to see if the feature is clear enough for an automatic
track.
13
At approximately frame 85, deactivate the
Option
Adapt
Feature . . .
, then resume the continuous Track Forward until it loses
lock again.
After a while the Tracker is all in turmoil - to resume manual Tracking you'll
need to remove some of the previously gathered data. The Tracker stores its
track info in the
Pulp Mill.mov
layer's Timeline. Open the layer (press 'U' to
reveal all Keyframes) to examine all the Tracker data Keyframes created so far
(seen below). The first half shows the intermittent manual tracks, while from 85
onward are the sequential automatic tracks. To correct the bad data, delete the
offending Keyframes, then repeat your track beginning from the point of the
first deleted frame.
Occasionally the Track might throw a sporadic wig-out and then return to
normal. For those spikes, manually place the Tracker Point back centered on
the feature. However, keep alert to the Tracker's Attach Point cross-hairs - this
