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plotting while simulation is running?

From: Francesco Potorti`
Subject: plotting while simulation is running?
Date: Fri, 27 Sep 96 09:58 MET

   I like plot the results ( say setpoint tracking) while the
   simulation is running.  Also I like to be able to change the PID
   settings on the fly, i.e. while the program is running.

I fear what you need is a simulation program.  Anyway, with some
effort, you could do what you want, I think.

For the plotting, you could have octave plot your data every second or
so, or have it write your vectors on a file every second or so, and
have some concurrent process read the file and display it

For the changing, you'd need to put the value of your parameters in a
file, and have octave read them at each iteration.  Another process or
shell script would change those parameters on the fly.

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