; These are some simple examples; I suggest downloading 
; http://formulas.ultrafractal.com/cgi-bin/formuladb?view;file=standard.uxf;type=.txt
; for some more interesting transforms

Inverse {
;
; Inverts the complex plane before calculating the fractal.
; Essentially turns the fractal "inside out".
;
transform:
  #pixel = @center + @radius / (#pixel - @center)
default:
  title = "Inverse"
  float param radius
    caption = "Radius"
    default = 1.0
    hint = "This is the radius of the inversion circle. Larger values \
            magnify the fractal."
    min = 0
  endparam
  complex param center
    caption = "Center"
    default = (0, 0)
    hint = "This is the center of the inversion circle."
  endparam
}

XFlip {
transform:
  #pixel = (-real(#pixel),imag(#pixel))
}

