Re: Print plot error

[Ben Abbott]

On Aug 22, 2009, at 3:36 PM, Dmitri A. Sergatskov wrote:

> > I am not sure if this is an OS issue, or octave's ...
>
> Now it looks to me that this is octave problem -- in particular the
> way it calls
> gnuplot in print(). I.e. if you simplify your loot to
>
> more off
> filename = "myRandomFrames";
> plot (rand (8))
> for n = 1:1000
>  fprintf ("Printing frame %d\n", n);
>  print  (filename, "-dpng");
>  sleep(1.0)
> endfor
>
> You still get the same problem. Yet if you do
>
> more off
> filename = "myRandomFrames";
>
> for n = 1:1000
>  plot (rand (8))
>  fprintf ("Printing frame %d\n", n);
>  # print  (filename, "-dpng");
>  sleep(1.0)
> endfor
>
> Than it runs fine (no defunct gnuplots)
>
> Dmitri.

I'm not sure I see the same thing ...

 plot(1:10)
 for n = 1:25
> print -dpdf test.pdf
> system ('ps axu | grep gnuplot | wc -l');
> end
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octave:24> system ('ps axu | grep gnuplot' )
bpabbott 43818   0.0  0.1    88996   4048 s006  S+    5:23PM    
0:01.37 /sw/bin/gnuplotx
bpabbott 43817   0.0  0.0   600252    756 s006  S+    5:23PM    
0:00.00 /bin/sh /sw/bin/gnuplot
bpabbott 44432   0.0  0.0   599820    468 s006  S+    5:29PM   0:00.00  
grep gnuplot
bpabbott 44430   0.0  0.0   600252    712 s006  S+    5:29PM   0:00.01  
sh -c ps axu | grep gnuplot
bpabbott 43821   0.0  0.1    82732   2696 s006  S+    5:23PM   0:00.29  
gnuplot_x11

octave:25> close all
octave:26> system ('ps axu | grep gnuplot' )
bpabbott 44445   0.0  0.0   599780    464 s006  R+    5:30PM   0:00.00  
grep gnuplot
bpabbott 44443   0.0  0.0   600252    712 s006  S+    5:30PM   0:00.01  
sh -c ps axu | grep gnuplot

Do your 'defunct' gnuplots remain open until octave exists?

Ben