Re: Subplot problem in Octave 4.4.0?

[Ben Abbott]

> On May 4, 2018, at 7:15 PM, Richardson, Anthony <address@hidden> wrote:
> 
>> -----Original Message-----
>> From: Help-octave [mailto:help-octave-
>> address@hidden On Behalf Of Pantxo
>> Sent: Friday, May 4, 2018 3:24 PM
>> To: address@hidden
>> Subject: RE: Subplot problem in Octave 4.4.0?
>> 
>> Tony Richardson wrote
>>> I've tried a few other scripts in which the control panel is in
>>> different locations.  It doesn't appear to be due to interaction
>>> between a subplot and the control panel.
>>> I've found that if I comment out any code that draws to subplot(3, 3,
>>> 3) then the other subplots remain visible.  If I redraw subplot(3,3,3)
>>> the other subplots will eventually disappear.
>>> 
>>> Tony
>>> 
>>>> -----Original Message-----
>>>> From: Help-octave [mailto:help-octave-
>>>> bounces+richardson=
>> 
>>> evansville.edu@
>> 
>>> ] On Behalf Of Richardson,
>>>> Anthony
>>>> Sent: Friday, May 4, 2018 1:18 PM
>>>> To: Mike Miller &lt;
>> 
>>> mtmiller@
>> 
>>> &gt;
>>>> Cc:
>> 
>>> help-octave@
>> 
>>>> Subject: RE: Subplot problem in Octave 4.4.0?
>>>> 
>>>> Yes, I see the same behavior.  That subplot is the only one above the
>>>> "control panel", so maybe there is some strange interaction between
>>>> the two (the control panel and the subplot).  I've got a few other
>>>> scripts that are behaving the same way under 4.4.0, I'll see if
>>>> something similar is going on with them.
>>>> 
>>>> Tony
>>>> 
>>>>> -----Original Message-----
>>>>> From: Mike Miller [mailto:
>> 
>>> mtmiller@
>> 
>>> ]
>>>>> Sent: Friday, May 4, 2018 11:56 AM
>>>>> To: Richardson, Anthony &lt;
>> 
>>> ar63@
>> 
>>> &gt;
>>>>> Cc:
>> 
>>> help-octave@
>> 
>>>>> Subject: Re: Subplot problem in Octave 4.4.0?
>>>>> 
>>>>> On Fri, May 04, 2018 at 15:01:12 +0000, Richardson, Anthony wrote:
>>>>>> I just tested Octave 4.4.0 under Linux (Ubuntu/flatpak) and the
>>>>>> same bug is present - subplots disappear after adjusting the
>>>>>> sliders (not necessarily after the first adjustment, but it doesn't take
>> long).
>>>>>> Did you test under 4.4.0?  The maximize bug has been present for
>>>>>> a while,
>>>>> but the disappearing subplots (without window resizing) is new to
>>>> 4.4.0.
>>>>> 
>>>>> If it helps narrow things down for you, I have found that it's the
>>>> 'hup'
>>>>> update that causes the subplots to disappear for me. For me the
>>>>> subplots disappear only when the third and fourth sliders are adjusted.
>>>>> 
>>>>> If I comment out the lines that set the 'hup' state to true, so
>>>>> that
>>>>> subplot(3,3,3) is never redrawn, then no subplots disappear at all.
>>>>> 
>>>>> Do you see the same?
>>>>> 
>>>>> --
>>>>> mike
>> 
>> Indeed with those additional information I was able to reproduce the bug
>> which is clearly different than the one related to resize. Here the position 
>> of
>> the axes is corrupted :
>> 
>> octave:3> get (findobj (gcf, "type", "axes"), "position") ans = {
>>  [1,1] =
>> 
>>     7.5645e+12   3.2287e+22  -1.5054e+13  -6.4573e+22
>> 
>>  [2,1] =
>> 
>>     7.5645e+12   3.2287e+22  -1.5054e+13  -6.4573e+22
>> ...
>> 
>> As a workaround, I found that avoiding the call to high level "plot"
>> function (by changing the properties of the original line object) avoids the
>> issue for me. Something like
>> 
>> ...
>>    subplot(3,3,3)
>>    persitent h333 = [];
>>    tt = t(1:round(L/15))*1000;
>>    hh = h(1:round(L/15));
>>    if (isempty (h333))
>>      plot(tt, hh);
>>      grid on;
>>      %xlim([0 tplotmax]);
>>      xlabel('time (ms)');
>>      ylabel('Amplitude');
>>      title('Impulse Response');
>>    else
>>      set (h333, "xdata", tt, "ydata", hh);
>>    endif
>> ...
>> 
>> Anyway, Tony, can you file a bug report about this new bug so that the
>> discussion can take place there?
>> 
>> Pantxo
>> 
>> 
>> 
>> --
>> Sent from: http://octave.1599824.n4.nabble.com/Octave-General-
>> f1599825.html
>> 
> 
> I have filed a bug report.
> 
> Tony
> 
> 

https://savannah.gnu.org/bugs/?53840