Apple Shake 4 Tutorials - Manual (Page 138)

138 Tutorial 4 Working With Expressions
Looping Frames in the Time View
Click the Time View tab to view the clip length of your nodes. Only image generators,
such as FileIn and Grad, and layer nodes that combine two branches together (Over,
IDisplace, and so on) appear in the Time View.
As we saw in Lesson 2, the infinity symbols (∞) on the left and right edges of ceiling
and RGrad1 indicate that these clips—or more accurately, the output of these nodes—
have no start or end frames and extend the full length of the frame range set in the
Globals tab. The short fan clip, however, has a finite length of five frames. At frame 6,
the clip disappears.
To extend the length of a clip:
1 Holding down the Control or Command key, drag the right edge of the clip to frame
75.