Groups > comp.graphics.apps.gnuplot > #4448

Using data from comment lines

Newsgroups	comp.graphics.apps.gnuplot
Date	2021-12-27 05:52 -0800
Message-ID	<3fe0c4f0-cb2a-472b-b551-20e61f4c5a06n@googlegroups.com> (permalink)
Subject	Using data from comment lines
From	David Partridge <david.partridge@perdrix.co.uk>

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Given a file that starts like this:

# Date/Time 2021/12/22, 10:52:53
# PonE=0,LsKp=200,LsKi=0,LsKd=250,HsKp=40,HsKi=0,HsKd=130,Sp=800,TDEC=1175137
#
# Rel. Time, currentPos, PosPID, currentSpeed, speedPID, Lag, ServoPos
0.00000,4693184,0,0,0,0,4693184
0.00000,4693184,2300,0,368,0,4693184

I would like to display the date and time as Centred Text at the top of the plot, and to display the link that starts PonE as a caption (maybe top right).   As bonus I've like to take the value following TDEC= and use that to draw a horizontal line marked as "Target".

The following lines contain the data to be plotted.

Some help in achieving that will be most welcome with explanations I can understand ...  I'm still struggling with the manual.

Thanks
David

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Using data from comment lines David Partridge <david.partridge@perdrix.co.uk> - 2021-12-27 05:52 -0800
  Re: Using data from comment lines David Partridge <david.partridge@perdrix.co.uk> - 2021-12-27 05:54 -0800
    Re: Using data from comment lines David Partridge <david.partridge@perdrix.co.uk> - 2021-12-29 04:05 -0800

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