[Gnuplot-py-users] Waiting for gnuplot to finish plotting ?

[Rémi C. <Rem...@fr...>]

Hi,

I am trying to make an animated plot with gnuplot controlled from a 
python program. The problem is I did not find a command to sync with 
gnuplot. More precisely my program looks like this:

while True:
    write data to 'file.dat'
    plot 'file.dat' with gnuplot
    wait a little

the problem is in 'wait a little'. Sometimes, gnuplot is too slow, and 
does not plot 'file.dat' fast enough. So the file may be destroyed 
before it is plotted. What I would need is a command that would wait for 
gnuplot to finish plotting. Is there such a command ? I could not find it.

It should be easy to implement. Just send 'echo "sync"' to gnuplot, and 
wait for a line with "sync" in return.

I will probably implement this myself.

I found some interesting ideas there:
http://www.physik.tu-dresden.de/~baecker/python/gnuplot.html
Maintainers of gnuplot-py may wish to implement these functions. It 
seems very convenient, and easy to implement.

Rémi