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Colormap Editor, a "fixed" bug leads to other bugs?

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Xingwang Yong
Xingwang Yong am 14 Mai 2021
Bearbeitet: magie am 16 Dez. 2021
In R2020a on windows 10, if you adjusted the system scaling factor, e.g. to 125%, then every time you open Colormap Editor, it will be bigger than last time, as noted here.
This bug can not be reproduced on R2018a, at least on my PC. So this bug may be newly introduced in R2020a only.
Anyway, I contacted Matlab Support and they told me it is "fixed" in R2020b. I installed R2020b. It turns out Colormap Editor is totally re-designed. So it is "avoided" or "left-over" rather than "fixed". The bug mentioned above disappears in R2020b, however, many more "bugs" (or unwanted features) appears. Here are steps how to reproduce one of them.
% Matlab 2020b
% 0 Change your scale factor to 125% in Windows settings: System-->Display
% 1 Open a saved figure, and open its Colormap Editor and close its Colormap Editor
% 2 Open another saved figure, then open its Colormap Editor, you'll find
% its colormap limits con not be edited, and colormap lower bound is 1,
% upper bound is 10.
Only after I close all the figures and reopen one, I can edit the colormap limit. Also, the newly-designed Colormap Editor is much slower than the older one when opening. This is really frustrating.
I have attached a short video to demonstrate how I reproduced the bug.
  3 Kommentare
Xingwang Yong
Xingwang Yong am 16 Dez. 2021
Bearbeitet: Xingwang Yong am 16 Dez. 2021
@magie As far as I know, there is not a way to fix it. To make life easier, I just switched back to R2020a. The new colormap editor is really slow. Unless you want to use new features in new version, I suggest you use older versions instead.
magie
magie am 16 Dez. 2021
Bearbeitet: magie am 16 Dez. 2021
@Xingwang Yong Thx for your answer. I feared so because this bug have existed throughout several releases. Unfortunately I use some of the new release's stuff. I only hope that repeated complaining about this bug might help that Mathworks eventually provides a solution .... it's annoying. At least they solved the issue with increasing window sizes of the colormap editor in the meantime ....

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