==========
    Linestyles
    ==========

    This examples showcases different linestyles copying those of Tikz/PGF.

def PyplotLineStyles():
    """
    ==========
    Linestyles
    ==========

    This examples showcases different linestyles copying those of Tikz/PGF.
    """
    import numpy as np
    import matplotlib.pyplot as plt
    from collections import OrderedDict
    from matplotlib.transforms import blended_transform_factory

    linestyles = OrderedDict(
        [('solid', (0, ())),
         ('loosely dotted', (0, (1, 10))),
         ('dotted', (0, (1, 5))),
         ('densely dotted', (0, (1, 1))),

         ('loosely dashed', (0, (5, 10))),
         ('dashed', (0, (5, 5))),
         ('densely dashed', (0, (5, 1))),

         ('loosely dashdotted', (0, (3, 10, 1, 10))),
         ('dashdotted', (0, (3, 5, 1, 5))),
         ('densely dashdotted', (0, (3, 1, 1, 1))),

         ('loosely dashdotdotted', (0, (3, 10, 1, 10, 1, 10))),
         ('dashdotdotted', (0, (3, 5, 1, 5, 1, 5))),
         ('densely dashdotdotted', (0, (3, 1, 1, 1, 1, 1)))])

    plt.figure(figsize=(10, 6))
    ax = plt.subplot(1, 1, 1)

    X, Y = np.linspace(0, 100, 10), np.zeros(10)
    for i, (name, linestyle) in enumerate(linestyles.items()):
        ax.plot(X, Y + i, linestyle=linestyle, linewidth=1.5, color='black')

    ax.set_ylim(-0.5, len(linestyles) - 0.5)
    plt.yticks(np.arange(len(linestyles)), linestyles.keys())
    plt.xticks([])

    # For each line style, add a text annotation with a small offset from
    # the reference point (0 in Axes coords, y tick value in Data coords).
    reference_transform = blended_transform_factory(ax.transAxes, ax.transData)
    for i, (name, linestyle) in enumerate(linestyles.items()):
        ax.annotate(str(linestyle), xy=(0.0, i), xycoords=reference_transform,
                    xytext=(-6, -12), textcoords='offset points', color="blue",
                    fontsize=8, ha="right", family="monospace")

    plt.tight_layout()
    return plt.gcf()