_get_margin_default

PlasmaCalcs.plotting.plot_tools.lims._get_margin_default(*, margin=None, x=None, plot_settings=None)

return the margin to use, based on margin and plot_settings.

margin: None or number

the margin to use. returned immediately if not None.

if necessary, get it from matplotlib defaults, or from plot_settings if possible.

raise InputError if failed to get margin.

x: None, ‘x’, or ‘y’

get ‘{x}margin’ from plot_settings. (‘margin’ if x is None)

Or, from matplotlib defaults.

plot_settings: None or PlotSettings

get margin from plot_settings if provided, and margin is None.

if plot_settings.get(f’{x}margin’ is None, also try getting plot_settings.get(‘margin’).

if that is also None, get from matplotlib defaults.