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added realtime plot example to the README

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Dima Kogan 2010-07-31 21:46:32 -07:00
parent b45d476fe5
commit 9212df053a
1 changed files with 6 additions and 1 deletions
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README
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@ -64,7 +64,12 @@ windowsize-worth of data (windowsize has the units of the x axis, whether it
is a point index or the passed-in domain). If --xlen is omitted or set to 0,
all of the available data is plotted, with no moving window. The realtime data
is updated at 1 Hz, so the script can handle rapidly-incoming data without
spending all of its time replotting.
spending all of its time replotting. Example:
seq 5 | awk '{print 2*$1, $1*$1; system("sleep 2"); fflush()}' |
feedGnuplot.pl --stream --lines --points --legend "data 0" --title "Test plot" --y2 1
For more information, invoke with --help, or read the source.