.. _pylab_examples-custom_ticker1: pylab_examples example code: custom_ticker1.py ============================================== .. plot:: /home/tcaswell/src/p/matplotlib/doc/mpl_examples/pylab_examples/custom_ticker1.py :: """ The new ticker code was designed to explicitly support user customized ticking. The documentation http://matplotlib.org/matplotlib.ticker.html details this process. That code defines a lot of preset tickers but was primarily designed to be user extensible. In this example a user defined function is used to format the ticks in millions of dollars on the y axis """ from matplotlib.ticker import FuncFormatter import matplotlib.pyplot as plt import numpy as np x = np.arange(4) money = [1.5e5, 2.5e6, 5.5e6, 2.0e7] def millions(x, pos): 'The two args are the value and tick position' return '$%1.1fM' % (x*1e-6) formatter = FuncFormatter(millions) fig, ax = plt.subplots() ax.yaxis.set_major_formatter(formatter) plt.bar(x, money) plt.xticks(x, ('Bill', 'Fred', 'Mary', 'Sue')) plt.show() Keywords: python, matplotlib, pylab, example, codex (see :ref:`how-to-search-examples`)