INPUT CLIP
The clip to dither.
Radius (Min: 0.0 Max: 500.00 Default: 1.0 )
Controls half the height and width of a square box around each output pixel. The output
pixel is randomly selected from the input pixels within the box.
Duplicate Edges (Default: Off)
On=1: treats the input image as if its edges extended out beyond the input image.
Off=0: treats the input image as if it were surrounded by black.
Direction (Default: Both)
Both=0: the box is a square box.
Horizontal=1: the box has zero height.
Vertical=2: the box has zero width.