Fractals, and especially the Mandelbrot Z, has me fascinated since I've calculated my very first fractal picture on my GDR KC85/3, somewhen back in the late 80ies. It was a black and white picture with a resolution of 320x200 pixels and it was showing the so called Apfelmännchen. With the technology available at this time, I was barely able to zoom in a few times and could manage iteration values of about 200-300. And calculating these tiny images took many hours, sometimes a day or even more.
The image above is a zoom of about 1000 times, is calculated in a size 24 times bigger than on my little homecomputer back then and the max iteration in this picture is about 3.5 million! Not to mention the colors ;)
And guess what, it took less than an hour to get it done. Mindblowing.
And to kick things into much higher gears, this is the final image of a 4K zoom movie, which you can find here Deep zoom Mandelbrot
Well, rendering the movie was a bit of a challenge. In total the calculations run for about 4 days and occupied 1..4 terrabytes of hard disc space.
If you're interested in such topics, I have a Deviant page here where I post new pictures occasionally.
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