[Octave-bug-tracker] [bug #53840] Disappearing subplots in 4.4.0

[Pantxo Diribarne]

Update of bug #53840 (project octave):

                Category:                Plotting => Plotting with OpenGL   
                  Status:                    None => Confirmed              

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Follow-up Comment #1:

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 ... 

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