The BCC Vignette Wipe transitions between two layers by animating a
softened elliptical/rectangular opacity vignette which progressively reveals
the underlying layer as the size of the vignette changes.
[To learn more about this filter, and see a breakdown of the various controls,
please click here.](https://www.borisfx.com/helpdocs/?page_id=5238 “BCC
Vignette Wipe Help Documentation” )