Re: Problem with Pliot in 3.2.4

[Ben Abbott]

On Aug 2, 2011, at 10:00 AM, Ian Journeaux wrote:

>> I am having a problem generating plots reliably from within Octave. 
>> Where Octave will hang. After reviewing the threads on the subject, I 
>> realized that this is a recognized issue. The proposed fixes  involve:
>> -     making sure Oct2mat.m is not loaded
>> -    renaming
>> Octave\3.2.4_gcc-4.4.0\share\octave\packages\plot-1.0.7\ginput.m so 
>> that it doesn't conflict with the ginput.m that is part of Octave
>> -    adding sleep(0.05); atline 112 in
>> ...\Octave\3.2.4_gcc-4.4.0\share\octave\3.2.4\m\plot\__gnuplot_ginput_
>> _.m
>> 
>> I have just implemented this changes and am monitoring to see if the 
>> problem is resolved. Is there anything else I should do to try and 
>> work around this issue.
>> 
>> Take Care
>> Ian
> 
>>> Can you give us an example of the problem you are having?
>>> Preferably a short m-file script and the result.
> 
> Ben
> Last night I took the time to reduce my code to a snippet that seems to
> replicate my problem.
> 
> Here is the function that generates the plots
> 
> function status = helio2dummy(test)
>       NbrImageAnalyzed=1;
>       dist(1)=27;
>       NUM=200;
>       counti=[1:12];
>       count=[1:12];
>       dista(1:20)=dist(NbrImageAnalyzed)/10;
>       figure(1); subplot(2,1,1);
>       plot(0:11,count');
>       xlabel('Distance from origin (cm)');
>       ylabel('Missing dots');
>       title('Missing dots per cm');
>       axis ([0 10]);
>       xl=floor(dist(NbrImageAnalyzed));
>       xxl=(1:xl)/10;
>       yyl(1:xl)=20;
>       subplot(2,1,2);
>       if NUM<500;
>               plot(0:11,counti,dista,1:20,"r",xxl,yyl,"r");
>       else
>               plot(0:11,counti');
>       end;
>       axis ([0 10]);
>       xlabel('Distance from origin (cm)');
>       ylabel('Cumulated missing dots');
>       title('Missing dots per cm (cumulated)');
>       T1=strcat('test','missdots.jpg');
>       print((1),T1,'-djpg');
>       close all;
> endfunction
> 
> I just put it in a loop with cnt=100 and the problem should appear before
> 100.
> 
> function status= testloop(cnt)
>       for i = 1:cnt;
>               helio2dummy(1);
>       end
> endfunction
> 
> On my laptop (slower)  it usually executes without failure. On the lab
> machine (faster), it will fail at some point.
> 
> Hope this helps point in the direction of the problem.
> Take Care
> Ian

I don't encounter an error. Do you get an error, or is the plot not rendered 
correctly?

Ben