def decorate_undulation_plot(ax, art):
"""
Uniform appearance for all undulation spectra.
"""
add_undulation_labels(ax, art=art)
add_std_legend(ax, loc='upper right', art=art)
add_axgrid(ax, art=art)
axins.plot(10**diffs, '.-', lw=0.5, ms=1, color='k')
axins.set_xscale('log')
axins.set_yscale('log')
axins.axhline(1.0, c='k', lw=0.5, alpha=0.5)
else:
axins.axhline(0.0, c='k', lw=0.5, alpha=0.5)
axins.plot(diffs, '.-', lw=0.5, ms=1, color='k')
axins.set_xticks([])
axins.set_yticks([])
axins.set_xticklabels([])
axins.set_yticklabels([])
axins.tick_params(axis='y',
which='both',
left='off',
right='off',
labelleft='on')
axins.tick_params(axis='x',
which='both',
top='off',
bottom='off',
labelbottom='on')
add_undulation_labels(ax, art=art)
add_std_legend(ax, loc='upper right', art=art)
add_axgrid(ax, art=art)
picturesave('fig.undulation_survey',
work.plotdir,
backup=False,
version=True,
meta={})