7 examples of 'matplotlib plot horizontal line' in Python

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def hline(self, y, color=None, **kwargs):
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    ax = self._newAx()
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    color = color or get_color(None, None, None)
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    ax.axhline(y, color=color, **kwargs)

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def plot_lines(axis, object, color='#00b700'):
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    for line in object:
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        x, y = line.xy
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        ax.plot(x, y, color=color, alpha=0.4, linewidth=1, solid_capstyle='round', zorder=2)

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def vline(self, x, color=None, **kwargs):
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    ax = self._newAx()
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    _color = color or get_color(None, None, None)
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    ax.axvline(x, color=_color, **kwargs)

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def lines(x, y, ax=None, **kwargs):
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    """Add lines to the most recent plot.
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    """
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    if ax is None:
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        global _last_axis_
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        ax = _last_axis_
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    ax.plot(x, y, **kwargs)

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def line(data,
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         file_path,
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         style=[],
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         title='',
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         xlabel='',
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         ylabel='',
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         logx=False,
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         logy=False,
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         vlines=[]):
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    """Plots a line plot using matplotlib.
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    Parameters
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    ----------
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    data : pd.DataFrame
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        two column df with x and y values
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    file_path : str
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        path to save figure
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    title : str
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        graph title
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    xlabel : str
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        x-axis label
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    ylabel : str
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        y-axis label
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    vlines : list of int
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        draw vertical lines at positions
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    """
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    # plot data
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    data.plot(kind='line', style=style)
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    plt.title(title)
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    plt.xlabel(xlabel)
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    plt.ylabel(ylabel)
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    # log scale if neccessary
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    if logx:
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        plt.xscale('log')
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    if logy:
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        plt.yscale('log')
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    # plot vertical lines
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    ymin, ymax = plt.ylim()  # get plotting range of y-axis
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    for l in vlines:
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        plt.vlines(l, ymin=ymin,
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                   ymax=ymax,
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                   color='red')
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    plt.tight_layout()  # adjust plot margins
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    plt.savefig(file_path)  # save figure
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    plt.clf()  # clear figure
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    plt.close()

14
def plot_item(hor, style):
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    x, y = sec.slice_horizon(hor)
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    # Skip first and last points...
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    l, = sec.ax.plot(x, y, **style)
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    return l

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def line(x, y, angle, plt):
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    line = mpl.patches.Ellipse(xy=(x,y), width=0.8, height=0.3, 
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                               angle=angle, facecolor="none", 
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                               edgecolor="#000000", linewidth=3)
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    plt.gca().add_artist(line)
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    return plt