[Matplotlib-devel] clim API interface

[Eric Firing]

Gregor,

It's safe.  get_clim() is a documented public method of the 
ScalarMappable mixin, inherited by all classes that handle color mapping.

Eric

On 2020/04/20 4:36 AM, Gregor Mönke wrote:
> Hello,
> 
> I hope this is the correct list I am writing to.. I am developing a data 
> analysis GUI for basic biological research using PyQT and matplotlib to 
> have interactive plots inside the UI (which works wonderfully). Recently 
> I needed to add the possibility to interactively change the colormap 
> limits (vmax, vmin) of an image plotted with imshow(). Before changing 
> them, I want to retrieve the current values to fill the respective Qt 
> line edits. Exploring the axes object creating the image, I found:
> 
> vmin, vmax = ax.images[0].get_clim()
> 
> which gives me exactly what I want. As this is rather undocumented, I 
> wanted to ask if you consider that a save solution or if it's something 
> which might change rather quickly in the release cycle? I don't want to 
> build my application on API parts which might break quickly.. Thanks in 
> advance!
> 
> Cheers,
> Gregor
> 
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