Bug in guide drift plot

[Wolfgang Reissenberger]

It took me a while to see what you mean. I’ll take a closer look...

> Am 20.07.2021 um 11:45 schrieb Jasem Mutlaq <mutlaqja at ikarustech.com>:
> 
> Yes, Wolfgang recently made them into reusable widgets instead of us
> having to copy the whole pixmap. Maybe something went off there.
> 
> --
> Best Regards,
> Jasem Mutlaq
> 
> 
> On Tue, Jul 20, 2021 at 10:23 AM Hy Murveit <murveit at gmail.com> wrote:
>> 
>> I was running from HEAD (plus my MR) and noticed that the guide drift plot now plots points mirrored on the y=0 line. Watch the attached short video and keep an eye on the drift plot bouncing back left and right, and also the points being layed down symmetrically.
>> 
>> It doesn't seem to do this on the manager page's drift plot, and the mirroring isn't reflected in the guide graph, so I don't think these are actual guide deviations, just bad plotting.
>> 
>> Has someone modified the drift plot recently? Could it be related to recent changes in qcustomplot or the manager refactoring?
>> 
>> Hy