The Spread filter swaps each pixel in the active layer or selection
with another randomly chosen pixel by a user specified amount. It
works on color transitions, not on plain color areas. No new color is
introduced.
4.7.2.
Options
Preview
This preview displays interactively changes before they are
applied to the image.
Spread amount
You can set the distance that pixels will be moved along
Horizontal and
Vertical axis. The axis can be locked by
clicking the Chain icon. You can also define the Unit to be
used.