User manual

Lens Distort
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© 2014 Digital Vision
UM-2014.1-07
Radius
The Radius determines the distance before we see distortion.
Scale
This scales the source image from its center.
Center X/ Center Y
The center point of the distortion. Default to image center point.
A1 A2 A3 / B1 B2
These define the lens distortion coefficents.
A1 deals with the major "fish-eye" style distortion while A2 and A3 are
more distant, edge distortion. B1 and B2 deal with distortion
considered as pans in Z space (or up and down).
Channels
Values :
RGB , R , G , B
Default :
RGB
Correct distortion in a single RGB channel or (by default) all three.