fern

fern, a Python code which computes and displays the Barnsley fractal fern.

Licensing:

The computer code and data files described and made available on this web page are distributed under the GNU LGPL license.

Languages:

fern is available in a MATLAB version and a Python version..

Related Data and Programs:

fibonacci_spiral, a Python code which displays points on a Fibonacci spiral, suggesting the arrangement of seeds in a sunflower, for instance.

hilbert_curve, a Python code which computes the sequence of discrete Hilbert curves whose limit is a space-filling curve.

mandelbrot, a Python code which generates an ASCII PPM image of the Mandelbrot fractal set;

Reference:

1. Michael Barnsley,
   Fractals Everywhere,
   Academic Press, 1988,
   ISBN: 0120790696,
   LC: QA614.86.B37.
2. Cleve Moler,
   Experiments with MATLAB,
   ebook: https://www.mathworks.com/moler/exm/index.html

Source Code:

• fern.py, calls all the tests.
• fern.sh, runs all the tests.
• fern.txt, the output file.

• fern_10000.png, a PNG file of the image, using 10000 points;