Python matplotlib.pyplot.NullFormatter() Examples

The following are 3 code examples of matplotlib.pyplot.NullFormatter(). You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may also want to check out all available functions/classes of the module matplotlib.pyplot , or try the search function .
Example #1
Source File: plotting.py    From OpenTDA with Apache License 2.0 5 votes vote down vote up 
def graph_barcode(data, ph, homology_group=0):
    persistence = ph.transform(data)
    # this function just produces the barcode graph for each homology group
    xstart = [s[1][0] for s in persistence if s[0] == homology_group]
    xstop = [s[1][1] for s in persistence if s[0] == homology_group]
    y = [0.1 * x + 0.1 for x in range(len(xstart))]
    plt.hlines(y, xstart, xstop, color='b', lw=4)
    # Setup the plot
    ax = plt.gca()
    plt.ylim(0, max(y) + 0.1)
    ax.yaxis.set_major_formatter(plt.NullFormatter())
    plt.xlabel('epsilon')
    plt.ylabel("Betti dim %s" % (homology_group,))
    plt.show()
Example #2
Source File: read_log.py    From image-compression-cnn with MIT License 5 votes vote down vote up 
def plot(values, metric_name):

    import matplotlib
    matplotlib.use('Agg')
    import matplotlib.pyplot as plt
    import sys

    plt.style.use('ggplot')

    fig, ax = plt.subplots(1, 1, figsize=(25, 3))
    ax.margins(0)

    x = []
    y = []
    for index,v in enumerate( values ):
        # if not index: continue
        # plt.plot(x, new_recall, linewidth=2, label='Condensed Mem Network')
        x.append(index)
        y.append(v[1]['our']-v[1]['jpeg'])

    # plt.plot(x,y, 'o')
    # plt.semilogy(x,y)
    y_neg = [max(0,i) for i in y]
    y_pos = [min(0,i) for i in y]

    plt.bar(x,y_neg)
    plt.bar(x,y_pos, color='r')
    plt.tick_params(axis='x', which='both', bottom='off', top='off', labelbottom='off')

    plt.title(metric_name.upper(), x=0.5, y=0.8, fontsize=14)
    plt.legend(loc='')
    ax.get_xaxis().set_visible(False)
    ax.xaxis.set_major_formatter(plt.NullFormatter())
    fig.tight_layout()
    # plt.savefig('plot_size_' + metric_name + '.png', bbox_inches='tight_layout', pad_inches=0)
    plt.savefig('plot_kodak_' + metric_name + '.png')
Example #3
Source File: plotting.py    From pyrsa with GNU Lesser General Public License v3.0 5 votes vote down vote up 
def plot_mds(utv, title='', labels=None, ax=None):
    pos = pyrsa.mds(utv)
    ax.set_frame_on(False)
    ax.tick_params(left=False, bottom=False)
    ax.xaxis.set_major_formatter(plt.NullFormatter())
    ax.yaxis.set_major_formatter(plt.NullFormatter())
    ax.scatter(pos[:, 0], pos[:, 1], s=0)
    for i, label in enumerate(labels):
        ax.annotate(label, (pos[i, 0], pos[i, 1]), fontsize=6)