Python matplotlib.pyplot 模块，rcdefaults() 实例源码

def barGraph(data_count):

    names, count_in = [], []
    data_count = sorted(data_count.items(), key=operator.itemgetter(1), reverse=True)
    for i in data_count:
        names.append(i[0])
        count_in.append(i[-1])

    plt.rcdefaults()
    fig, ax = plt.subplots()
    y_pos = np.arange(len(names))
    ax.barh(y_pos, count_in, align='center',
            color='green', ecolor='black')
    ax.set_yticks(y_pos)
    ax.set_yticklabels(names)
    ax.invert_yaxis()  # labels read top-to-bottom
    ax.set_xlabel('Categories')
    ax.set_title('# of job titles in each category')
    plt.show()

def clean_modules():
    """Remove "unload" seaborn from the name space

    After a script is executed it can load a variety of setting that one
    does not want to influence in other examples in the gallery."""

    # Horrible code to 'unload' seaborn, so that it resets
    # its default when is load
    # Python does not support unloading of modules
    # https://bugs.python.org/issue9072
    for module in list(sys.modules.keys()):
        if 'seaborn' in module:
            del sys.modules[module]

    # Reset Matplotlib to default
    plt.rcdefaults()

def clean_modules():
    """Remove "unload" seaborn from the name space

    After a script is executed it can load a variety of setting that one
    does not want to influence in other examples in the gallery."""

    # Horrible code to 'unload' seaborn, so that it resets
    # its default when is load
    # Python does not support unloading of modules
    # https://bugs.python.org/issue9072
    for module in list(sys.modules.keys()):
        if 'seaborn' in module:
            del sys.modules[module]

    # Reset Matplotlib to default
    plt.rcdefaults()

def clean_modules():
    """Remove "unload" seaborn from the name space

    After a script is executed it can load a variety of setting that one
    does not want to influence in other examples in the gallery."""

    # Horrible code to 'unload' seaborn, so that it resets
    # its default when is load
    # Python does not support unloading of modules
    # https://bugs.python.org/issue9072
    for module in list(sys.modules.keys()):
        if 'seaborn' in module:
            del sys.modules[module]

    # Reset Matplotlib to default
    plt.rcdefaults()

def horizontal_bar():
    """
    Simple demo of a horizontal bar chart.
    """
    plt.rcdefaults()

    # Example data
    people = ('Tom', 'Dick', 'Harry', 'Slim', 'Jim')
    y_pos = np.arange(len(people))
    performance = 3 + 10 * np.random.rand(len(people))
    error = np.random.rand(len(people))

    plt.barh(y_pos, performance, xerr=error, align='center')
    plt.yticks(y_pos, people)
    plt.xlabel('Performance')
    plt.title('How fast do you want to go today?')
    plt.show()

def savefig(figname, dpi=150, iopts=None, cleanup=True):
    try:
        format = figname.rsplit(".", 1)[-1].lower()
    except:
        format = "pdf"
    try:
        plt.savefig(figname, dpi=dpi, format=format)
    except Exception as e:
        message = "savefig failed. Reset usetex to False."
        message += "\n{0}".format(str(e))
        logging.error(message)
        rc('text', **{'usetex': False})
        plt.savefig(figname, dpi=dpi)

    msg = "Figure saved to `{0}`".format(figname)
    if iopts:
        msg += " {0}".format(iopts)
    logging.debug(msg)

    if cleanup:
        plt.rcdefaults()


# human readable size (Kb, Mb, Gb)

def test_graph(config, filename, n):
  plt.rcdefaults()

  people = ('Tom', 'Dick', 'Harry', 'Slim', 'Jim')
  y_pos = np.arange(len(people))
  performance = 3 + 10 * np.random.rand(len(people))
  error = np.random.rand(len(people))

  plt.barh(y_pos, performance, xerr=error, align='center', alpha=0.4)
  plt.yticks(y_pos, people)
  plt.xlabel("Step "+str(n))
  plt.title('Are samples measurements working?')

  plt.savefig(filename)