docs: 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