DD2-monitor/plot.sh

38 rivejä
646 B
Bash
Executable File

#!/bin/bash
# THIS IS A KLUDGE
nbsamp=3000 # nombre d'echantillon
if [ $# -eq 1 ]; then
nbsamp=$1
fi
DATAFILE="serial/foo.dat"
IMAGE="graphe.png"
TMPFILE="/dev/shm/tmpdata"
echo $nbsamp
wc -l ${DATAFILE}
tail -${nbsamp} < ${DATAFILE} > ${TMPFILE}
gnuplot << __EOC__
set term png size 1000,600
set output "${IMAGE}"
set ytics 2
set xtics
set grid front
set title "* Temperatures du Phytotron *"
set xdata time
set timefmt "%s"
set format x "%b %d\n%H:%M"
set yrange [ 10.0 : 40.0 ]
plot "${TMPFILE}" using 1:3 title " inside" with lines, \
"${TMPFILE}" using 1:4 title "ambient" with lines
__EOC__
display ${IMAGE} &