Add a 'auto' imagej like option

[payno]

IT would be interesting to have (yet) another option for defining the colormap min/max values.

Closer to what imageJ is doing:

note: Suggested by Elodie

[t20100]

Can you provide a link to the relevant doc, the screen shot is not readable

[payno]

Yes sorry. Here is the link: https://imagej.net/ij/docs/guide/146-28.html