Matplotlib Format Pi

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Format multiples of pi as strings on Matplotlib axes.

The MultiplePi class creates a Locator to place ticks at desired multiples and a Formatter to format all tick labels.

The base (π or τ) can be divided by any Natural Number.

Multiples of one-π or one-τ can be placed/formatted too. (2π, 3π, 2τ, 3τ, etc.)

Installing

pip install matplot-fmt-pi

Examples

from matplot_fmt_pi.ticker import MultiplePi

Simply, the instance can be asssigned a denominator of pi then passed to matplotlib.

The parameters can also be modified to adjust the output to something more sophisticated.

Running Examples

Clone, then from the repo,

cd examples/
python *.py

Put the repo's directory in the python path to import the matplot_fmt_pi folder not the installed package.

PYTHONPATH=/home/user/py-pros/format-pi python examples/pi_graph.py

Todo

• Add testing option once installed (Like numpy.test())
• Windows make.bat?

Meta

Inspired by this post on StackOverflow.