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# Tick formatters

Show the different tick formatters.

    import numpy as np
    import matplotlib.pyplot as plt
    import matplotlib.ticker as ticker

    # Setup a plot such that only the bottom spine is shown
    def setup(ax):
        ax.spines['right'].set_color('none')
        ax.spines['left'].set_color('none')
        ax.yaxis.set_major_locator(ticker.NullLocator())
        ax.spines['top'].set_color('none')
        ax.xaxis.set_ticks_position('bottom')
        ax.tick_params(which='major', width=1.00, length=5)
        ax.tick_params(which='minor', width=0.75, length=2.5, labelsize=10)
        ax.set_xlim(0, 5)
        ax.set_ylim(0, 1)
        ax.patch.set_alpha(0.0)

    fig = plt.figure(figsize=(8, 6))
    n = 7

    # Null formatter
    ax = fig.add_subplot(n, 1, 1)
    setup(ax)
    ax.xaxis.set_major_locator(ticker.MultipleLocator(1.00))
    ax.xaxis.set_minor_locator(ticker.MultipleLocator(0.25))
    ax.xaxis.set_major_formatter(ticker.NullFormatter())
    ax.xaxis.set_minor_formatter(ticker.NullFormatter())
    ax.text(0.0, 0.1, "NullFormatter()", fontsize=16, transform=ax.transAxes)

    # Fixed formatter
    ax = fig.add_subplot(n, 1, 2)
    setup(ax)
    ax.xaxis.set_major_locator(ticker.MultipleLocator(1.0))
    ax.xaxis.set_minor_locator(ticker.MultipleLocator(0.25))
    majors = ["", "0", "1", "2", "3", "4", "5"]
    ax.xaxis.set_major_formatter(ticker.FixedFormatter(majors))
    minors = [""] + ["%.2f" % (x-int(x)) if (x-int(x))
                     else "" for x in np.arange(0, 5, 0.25)]
    ax.xaxis.set_minor_formatter(ticker.FixedFormatter(minors))
    ax.text(0.0, 0.1, "FixedFormatter(['', '0', '1', ...])",
            fontsize=15, transform=ax.transAxes)

    # FuncFormatter can be used as a decorator
    @ticker.FuncFormatter
    def major_formatter(x, pos):
        return "[%.2f]" % x

    ax = fig.add_subplot(n, 1, 3)
    setup(ax)
    ax.xaxis.set_major_locator(ticker.MultipleLocator(1.00))
    ax.xaxis.set_minor_locator(ticker.MultipleLocator(0.25))
    ax.xaxis.set_major_formatter(major_formatter)
    ax.text(0.0, 0.1, 'FuncFormatter(lambda x, pos: "[%.2f]" % x)',
            fontsize=15, transform=ax.transAxes)

    # FormatStr formatter
    ax = fig.add_subplot(n, 1, 4)
    setup(ax)
    ax.xaxis.set_major_locator(ticker.MultipleLocator(1.00))
    ax.xaxis.set_minor_locator(ticker.MultipleLocator(0.25))
    ax.xaxis.set_major_formatter(ticker.FormatStrFormatter(">%d<"))
    ax.text(0.0, 0.1, "FormatStrFormatter('>%d<')",
            fontsize=15, transform=ax.transAxes)

    # Scalar formatter
    ax = fig.add_subplot(n, 1, 5)
    setup(ax)
    ax.xaxis.set_major_locator(ticker.AutoLocator())
    ax.xaxis.set_minor_locator(ticker.AutoMinorLocator())
    ax.xaxis.set_major_formatter(ticker.ScalarFormatter(useMathText=True))
    ax.text(0.0, 0.1, "ScalarFormatter()", fontsize=15, transform=ax.transAxes)

    # StrMethod formatter
    ax = fig.add_subplot(n, 1, 6)
    setup(ax)
    ax.xaxis.set_major_locator(ticker.MultipleLocator(1.00))
    ax.xaxis.set_minor_locator(ticker.MultipleLocator(0.25))
    ax.xaxis.set_major_formatter(ticker.StrMethodFormatter("{x}"))
    ax.text(0.0, 0.1, "StrMethodFormatter('{x}')",
            fontsize=15, transform=ax.transAxes)

    # Percent formatter
    ax = fig.add_subplot(n, 1, 7)
    setup(ax)
    ax.xaxis.set_major_locator(ticker.MultipleLocator(1.00))
    ax.xaxis.set_minor_locator(ticker.MultipleLocator(0.25))
    ax.xaxis.set_major_formatter(ticker.PercentFormatter(xmax=5))
    ax.text(0.0, 0.1, "PercentFormatter(xmax=5)",
            fontsize=15, transform=ax.transAxes)

    # Push the top of the top axes outside the figure because we only show the
    # bottom spine.
    fig.subplots_adjust(left=0.05, right=0.95, bottom=0.05, top=1.05)

    plt.show()

Total running time of the script: ( 0 minutes 0.155 seconds)

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