Apple Shake 4 - Manual (Page 971)

Chapter 32 The Cookbook 971
You still get black edges, so sprinkle Filter–DilateErode nodes liberally. For the nodes
attached to ISub, the first chews into the edge, and the second DilateErode softens it by
activating the soften parameter.
As a final touch, the x/yCenter of RGrad is linked to the Move2D x/yPan, adding an
offset for the center of the moon, Move2D1.xPan+155, Move2D1.yPan+160. You can
modify the position of the moon and the glow on the clouds follows.
Vignette
This script can be found in doc/html/cook/scripts/vignette.shk.
This example keys out the night sky, turns the scene to daylight, and adds a vignette to
the borders.