This sequence effect was originally coded by Kent Mein (SirDude) and was added to BF Blender by Roel Spruit (Goofster). It has had several additions and changes by Johnny Matthews (guitarGeek).
The first change is the consolidation of wipe types. Instead of Left to Right and Right to Left, there is a 'Single wipe' and the user can select the direction.
The Current Types are:
The effect also allows for a blurring of the wipe edge and the ability to change the width of the blurred edge
The Single Wipe Effect
The Double Wipe Effect
The Iris Effect
With a bit clever thinking and ipoing the fac ipo you can get nice effects like a three-way split: watch video by Johnny Matthews