示例#1
0
def plot_rms_bar(ax,
                 date_list,
                 rms,
                 cutoff=3.,
                 font_size=12,
                 tick_year_num=1,
                 legend_loc='best',
                 disp_legend=True,
                 disp_side_plot=True,
                 disp_thres_text=False,
                 ylabel=r'Residual Phase $\hat \phi_{resid}$ RMS [mm]'):
    """ Bar plot Phase Residual RMS
    Parameters: ax : Axes object
                date_list : list of string in YYYYMMDD format
                rms    : 1D np.array of float for RMS value in mm
                cutoff : cutoff value of MAD outlier detection
                tick_year_num : int, number of years per major tick
                legend_loc : 'upper right' or (0.5, 0.5)
    Returns:    ax : Axes object
    """
    dates, datevector = ptime.date_list2vector(date_list)
    dates = np.array(dates)
    try:
        bar_width = min(ut.most_common(np.diff(dates).tolist(), k=2)) * 3 / 4
    except:
        bar_width = np.min(np.diff(dates).tolist()) * 3 / 4
    rms = np.array(rms)

    # Plot all dates
    ax.bar(dates, rms, bar_width.days, color=pp.mplColors[0])

    # Plot reference date
    ref_idx = np.argmin(rms)
    ax.bar(dates[ref_idx],
           rms[ref_idx],
           bar_width.days,
           color=pp.mplColors[1],
           label='Reference date')

    # Plot exclude dates
    rms_threshold = ut.median_abs_deviation_threshold(rms,
                                                      center=0.,
                                                      cutoff=cutoff)
    ex_idx = rms > rms_threshold
    if not np.all(ex_idx == False):
        ax.bar(dates[ex_idx],
               rms[ex_idx],
               bar_width.days,
               color='darkgray',
               label='Exclude date')

    # Plot rms_threshold line
    (ax, xmin, xmax) = pp.auto_adjust_xaxis_date(ax,
                                                 datevector,
                                                 font_size,
                                                 every_year=tick_year_num)
    ax.plot(np.array([xmin, xmax]),
            np.array([rms_threshold, rms_threshold]),
            '--k',
            label='Median Abs Dev * {}'.format(cutoff))

    # axis format
    ax = pp.auto_adjust_yaxis(ax,
                              np.append(rms, rms_threshold),
                              font_size,
                              ymin=0.0)
    ax.set_xlabel('Time [years]', fontsize=font_size)
    ax.set_ylabel(ylabel, fontsize=font_size)
    ax.tick_params(which='both',
                   direction='in',
                   labelsize=font_size,
                   bottom=True,
                   top=True,
                   left=True,
                   right=True)

    # 2nd axes for circles
    if disp_side_plot:
        divider = make_axes_locatable(ax)
        ax2 = divider.append_axes("right", "10%", pad="2%")
        ax2.plot(np.ones(rms.shape, np.float32) * 0.5,
                 rms,
                 'o',
                 mfc='none',
                 color=pp.mplColors[0])
        ax2.plot(np.ones(rms.shape, np.float32)[ref_idx] * 0.5,
                 rms[ref_idx],
                 'o',
                 mfc='none',
                 color=pp.mplColors[1])
        if not np.all(ex_idx == False):
            ax2.plot(np.ones(rms.shape, np.float32)[ex_idx] * 0.5,
                     rms[ex_idx],
                     'o',
                     mfc='none',
                     color='darkgray')
        ax2.plot(np.array([0, 1]), np.array([rms_threshold, rms_threshold]),
                 '--k')

        ax2.set_ylim(ax.get_ylim())
        ax2.set_xlim([0, 1])
        ax2.tick_params(which='both',
                        direction='in',
                        labelsize=font_size,
                        bottom=True,
                        top=True,
                        left=True,
                        right=True)
        ax2.get_xaxis().set_ticks([])
        ax2.get_yaxis().set_ticklabels([])

    if disp_legend:
        ax.legend(loc=legend_loc, frameon=False, fontsize=font_size)

    # rms_threshold text
    if disp_thres_text:
        ymin, ymax = ax.get_ylim()
        yoff = (ymax - ymin) * 0.1
        if (rms_threshold - ymin) > 0.5 * (ymax - ymin):
            yoff *= -1.
        ax.annotate('Median Abs Dev * {}'.format(cutoff),
                    xy=(xmin + (xmax - xmin) * 0.05, rms_threshold + yoff),
                    color='k',
                    xycoords='data',
                    fontsize=font_size)
    return ax
示例#2
0
def plot_rms_bar(ax, date_list, rms, cutoff=3., font_size=12, 
                 tick_year_num=1, legend_loc='best',
                 disp_legend=True, disp_side_plot=True, disp_thres_text=True,
                 ylabel=r'Residual Phase $\hat \phi_{resid}$ RMS [mm]'):
    """ Bar plot Phase Residual RMS
    Parameters: ax : Axes object
                date_list : list of string in YYYYMMDD format
                rms    : 1D np.array of float for RMS value in mm
                cutoff : cutoff value of MAD outlier detection
                tick_year_num : int, number of years per major tick
                legend_loc : 'upper right' or (0.5, 0.5)
    Returns:    ax : Axes object
    """
    dates, datevector = ptime.date_list2vector(date_list)
    dates = np.array(dates)
    try:
        bar_width = min(ut.most_common(np.diff(dates).tolist(), k=2))*3/4
    except:
        bar_width = np.min(np.diff(dates).tolist())*3/4
    rms = np.array(rms)

    # Plot all dates
    ax.bar(dates, rms, bar_width.days, color=pp.mplColors[0])

    # Plot reference date
    ref_idx = np.argmin(rms)
    ax.bar(dates[ref_idx], rms[ref_idx], bar_width.days, color=pp.mplColors[1], label='Reference date')

    # Plot exclude dates
    rms_threshold = ut.median_abs_deviation_threshold(rms, center=0., cutoff=cutoff)
    ex_idx = rms > rms_threshold
    if not np.all(ex_idx==False):
        ax.bar(dates[ex_idx], rms[ex_idx], bar_width.days, color='darkgray', label='Exclude date')

    # Plot rms_threshold line
    (ax, xmin, xmax) = pp.auto_adjust_xaxis_date(ax, datevector, font_size, every_year=tick_year_num)
    ax.plot(np.array([xmin, xmax]), np.array([rms_threshold, rms_threshold]), '--k', label='RMS threshold')

    # axis format
    ax = pp.auto_adjust_yaxis(ax, np.append(rms, rms_threshold), font_size, ymin=0.0)
    ax.set_xlabel('Time [years]', fontsize=font_size)
    ax.set_ylabel(ylabel, fontsize=font_size)
    ax.tick_params(which='both', direction='in', labelsize=font_size,
                   bottom=True, top=True, left=True, right=True)

    # 2nd axes for circles
    if disp_side_plot:
        divider = make_axes_locatable(ax)
        ax2 = divider.append_axes("right", "10%", pad="2%")
        ax2.plot(np.ones(rms.shape, np.float32) * 0.5, rms, 'o', mfc='none', color=pp.mplColors[0])
        ax2.plot(np.ones(rms.shape, np.float32)[ref_idx] * 0.5, rms[ref_idx], 'o', mfc='none', color=pp.mplColors[1])
        if not np.all(ex_idx==False):
            ax2.plot(np.ones(rms.shape, np.float32)[ex_idx] * 0.5, rms[ex_idx], 'o', mfc='none', color='darkgray')
        ax2.plot(np.array([0, 1]), np.array([rms_threshold, rms_threshold]), '--k')

        ax2.set_ylim(ax.get_ylim())
        ax2.set_xlim([0, 1])
        ax2.tick_params(which='both', direction='in', labelsize=font_size,
                        bottom=True, top=True, left=True, right=True)
        ax2.get_xaxis().set_ticks([])
        ax2.get_yaxis().set_ticklabels([])

    if disp_legend:
        ax.legend(loc=legend_loc, frameon=False, fontsize=font_size)

    # rms_threshold text
    if disp_thres_text:
        ymin, ymax = ax.get_ylim()
        yoff = (ymax - ymin) * 0.1
        if (rms_threshold - ymin) > 0.5 * (ymax - ymin):
            yoff *= -1.
        ax.annotate('Median Abs Dev * {}'.format(cutoff),
                    xy=(xmin + (xmax-xmin)*0.05, rms_threshold + yoff ),
                    color='k', xycoords='data', fontsize=font_size)
    return ax