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To offset a channel:
1 Select the channel or keyframes to offset.
2 From the Curve Functions box in the Keyframe tab, select Translate X to offset the channel horizontally
or Translate Y to offset vertically.
3 Enter a value in the Curve Value field.
A negative value offsets the channel or group of keyframes to the left (Translate X) or down (Translate
Y). A positive value offsets to the right (Translate X) or up (Translate Y). The value in the Curve Value
field produced by the drag returns to zero after release.
The selected channel or keyframes are offset. The coordinates of each selected keyframe, relative to
each other, remain unchanged. Translating along the Y-axis is only visible in the Animation Curve
window.
Simplifying the Number of Keyframes in the Animation Channel Editor
You can change the number of keyframes in your animation curve or in a group of keyframes. Using the
Simplify function, the peaks and valleys in the selection are analysed and keyframes are generated with a
duration between them as specified in the Curve Value field. A large value such as 20 or 30 decreases the
number of keyframes between peaks and valleys, whereas a small value such as 1 or 2 increases the number
of keyframes. The ideal simplify value varies between animation curves.
For example, the following figure shows an animation curve created using the Stabilizer. Simplify is applied
with a value of 20. In sections where the slope of the curve is fairly constant in one direction, keyframes are
removed between the peaks and valleys. You can adjust the simplified animation curve more easily because
there are fewer keyframes to modify.
(a) The Y curve before applying Simplify has a keyframe at each frame
1224 | Chapter 24 Animating Keyframes