ay or scalar, None can be used to ignore unit.
Broadcast all imshow arguments.
stats is a flag to print stats on plot. Here it can be assigned booleanTrue
or integer value: True or 1 plots statistics, 2 plots x and y spans
largs is a dictionary of arguments passed to caption in plotting.caption.legendbox
(used only if stats are plotted).
(e.g. {‘color’:’r’}
Returns axis (modified 2023/01/17, was returning axim as returned by plt.imshow).
nsigma set colorscale to this multiple of data standard deviat