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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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@ -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, 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 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 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. For more information, invoke with --help, or read the source.