Can't delete colorbar label

Question

Ian Harris 2013-2-21

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https://ww2.mathworks.cn/matlabcentral/answers/64405-can-t-delete-colorbar-label

回答： Seyyed Saleh Hosseini 2019-11-23

I have a plot with a horizontal colorbar. The range of values are all very small, so the default labelling uses expotential numbering, with 'x 10^-3' under the bottom right-hand corner of the axes:

http://www.flickr.com/photos/harryharris/8494223381/in/photostream/

I use get and set to replace the X Tick Labels with regular short numbers, ie, -0.005, 0, 0.005, 0.01, 0.015, 0.02, 0.025. However, the 'x 10^-3' text remains, and I can't delete it.

The text appears to be an Annotation, associated with the an object referred from the colorbar's 'XLabel' parameter (hg.Annotation). Nothing I've found in the help systems will allow me to get rid of this label, and I need to! I've tried deleting it.

Has anyone managed this trick? Any help gratefully received..

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Ian Harris 2013-2-21

编辑：Ian Harris 2013-2-21

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Hi Sean, cheers for the fast response. I've tried deleting it, that seems to have no effect:

cb = colorbar('NorthOutside');
cbt = get(cb,'XTick')';
set(cb,'XTickLabel',num2str(cbt));
xlh = get(cb,'XLabel');
delete(xlh);

I've also tried setting 'XLabel' to another handle (the one I found in 'YLabel', for instance - that doesn't happen. I think it's read-only?

Perhaps I need a way to make it vulnerable..

Ian Harris 2013-2-21

Gah! Sorry - I just tried printing it and the unwanted exponent is gone! It's there on the screen but obviously isn't being swept up when I reassign the text labels.

Apologies for timewasting.. I trusted the graphics, I can't believe it! :)

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