Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > comp.graphics.apps.gnuplot > #2745

Re: Continuous plotting of data in real time

Show all headers | View raw

On Monday, October 18, 2010 at 4:56:36 PM UTC+2, Anal Patel wrote:
> Hi,
> 
> I'm plotting data in real time, and would like to plot sets of data
> over each other on same plot.
> Currently, I'm plotting one set after another like:
> gnuplot> plot "-"
> input data ('e' ends) > 2 3
> input data ('e' ends) > 4 5
> input data ('e' ends) > 6 7
> input data ('e' ends) > e
> 
> Each set of data that I plot clears the previous set and plots only
> new set.
> I would like to take this one step further, where I would like to see
> the history of sets of data on same plot, i.e. all the sets of data
> are plotted on same graph. I took an approach of buffering old sets of
> data and then issuing plot command with old and new set of data to
> achieve this. But quickly it came to a point where gnuplot was very
> slow and could not handle writing so many sets of data. In my case
> each set of data arrive in 20ms interval, and there could be thousands
> of sets.
> 
> Is there a way that gnuplot can remember the previously plotted data
> and then only thing I have to do is issue new set. The users do need
> to see the points in real time, i.e. can't wait until all the sets are
> collected and then issue plot command.
> 
> Thanks-
> Andy Patel

Hi Andy, I am currently facing the same problem. Did you find solution to the problem?

Thanks

Back to comp.graphics.apps.gnuplot | Previous | Next — Next in thread | Find similar | Unroll thread

Thread

Re: Continuous plotting of data in real time muhammad.mustafa88@gmail.com - 2015-02-10 00:51 -0800
  Re: Continuous plotting of data in real time Karl <mail.kfr@gmx.net> - 2015-02-10 17:21 +0100

csiph-web