A Faint Cross

[element90]

A Faint Cross



http://www.fractalforums.com/index.php?action=gallery;sa=view;id=10019

Parameters

Formula: PP Mandelbrot

z = transform(z)
z.r = z.r - alpha.r*sin(z.i + tan(beta.r*z.i)) + c.r
z.i = z.i - alpha.i*sin(z.r + tan(beta.i*z.r)) + c.i

alpha = 0.5 + 0.5i
beta = 1 + 1i

Programs: saturn and titan
Number of A transforms: 0
Number of B transforms: 0
Transform sequence: A
Number of Complex Plane transforms: 0
Initial values of z: untransformed c
Image centre: 0 + 0i
Image width: 4
Rotation about image centre: 0 degrees
Maximum iterations: 5000
Bailout: norm(z) > 700
Colour selection: outer for bailout otherwise inner
Outer colouring: absolute log of coefficient of variation of change in magnitude
Inner colouring: fixed colour