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Re: Problems with the ui* family of functions

From: Pantxo
Subject: Re: Problems with the ui* family of functions
Date: Mon, 17 Oct 2016 13:32:18 -0700 (PDT)

Mike Miller-4 wrote
> On Fri, Oct 14, 2016 at 10:38:04 +0200, Martin Kunz wrote:
>> Hi,
>> The ui* family of functions are to my mind a valuable extension of
>> Octave, thanks to everyone who was involved in their development!
>> Thanks also to Andreas Weber for the helpful example he posted recently
>> [1] !
>> I am having some trouble with the ui* functions, though. Before
>> submitting bug reports I wanted to make sure that the problem is not
>> sitting in front of the screen.
>> Please have a look the attached sample script. It plots a sine wave that
>> can be zoomed into in x-direction with a slider.
>>  1. If I drag the slider with the mouse, the yticks often change their
>>     length and the yticklabels move a bit horizontally. This does not
>>     happen if I click on the arrow buttons at the sides of the zoom
>> slider.
>>  2. If I rescale the figure window interactively, the slider ends up in
>>     different places or is not visible at all. This also happens with
>>     Andreas' script (see the attached screenshot for an example).
>>     Neither refresh nor drawnow seem to help.
>> I am using Octave 4.2.0-rc2 on Windows 7.
> I can confirm #1 on Debian on the default branch with Qt 5, but not #2.
> The figure window contents are a bit laggy when the figure window is
> resized, but they always end up where they are supposed to be.
> You should report both of these on the bug tracker. I can reproduce #1
> without any slider or callback necessary, by simply calling xlim() in
> such a way that the range is changed more or less drastically:
>   plot (0:500)
>   xlim ([0 500])
>   xlim ([230 270])
> -- 
> mike
> _______________________________________________
> Help-octave mailing list

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I think both are known issues:


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