Copyright © 2017, Marc Culler


Juliator is a graphical application for viewing Mandelbrot and Julia sets for the usual quadratic dynamical system z -> z^2 + a. The program is written in Python using tkinter and PIL for the graphics. The computations are done in a C extension module wrapped using Cython. An unusual feature is that the computation is done in parallel with a separate process for each CPU core and, more interesingly, these processes use shared memory rather than communicating via an IPC scheme. Each process is assigned to draw a section of a common bitmap image.


For macOS there is a disk image available in the Downloads section which contains a standalone app suitable for copying to the applications folder.

Other platforms should install with:

python3 install

or, on Linux:

sudo python3 install

and then run the app with

python3 -m