Plot the data of the tomodir in one overview plot.

def create_tdplot(plotman, cov, mag, pha, pha_fpi, alpha, options):
    '''Plot the data of the tomodir in one overview plot.
    '''
    sizex, sizez = getfigsize(plotman)
    # create figure
    f, ax = plt.subplots(2, 4, figsize=(4 * sizex, 2 * sizez))
    if options.title is not None:
        plt.suptitle(options.title, fontsize=18)
    # plot magnitue
    if options.cmaglin:
        cid = plotman.parman.add_data(np.power(10, mag))
        loglin = 'rho'
    else:
        cid = plotman.parman.add_data(mag)
        loglin = 'log_rho'
    plot_mag(cid, ax[0, 0], plotman, 'Magnitude', loglin, alpha,
             options.mag_vmin, options.mag_vmax,
             options.xmin, options.xmax, options.zmin, options.zmax,
             options.unit, options.mag_cbtiks, options.no_elecs,
             )
    # plot coverage
    cid = plotman.parman.add_data(cov)
    plot_cov(cid, ax[1, 0], plotman, 'Coverage',
             options.cov_vmin, options.cov_vmax,
             options.xmin, options.xmax, options.zmin, options.zmax,
             options.unit, options.cov_cbtiks, options.no_elecs,
             )
    # plot phase, real, imag
    create_non_dcplots(plotman, ax, mag, pha, options, alpha)
    # plot fpi phase, real, imag
    create_fpiplots(plotman, ax, mag, pha_fpi, options, alpha)
    f.tight_layout()
    f.savefig('td_overview.png', dpi=300)
    return f, ax