mirror of
git://projects.qi-hardware.com/ben-wpan.git
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b9244bdefd
- row: the "Offset" header looked very crowded; removed it - vizp: draw the x axis (0 dB) as solid black
54 lines
696 B
Bash
Executable File
54 lines
696 B
Bash
Executable File
#!/bin/sh
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usage()
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{
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echo "usage: $0 [-f font] [-p png_file] prefix peak_file" 1>&2
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exit 1
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}
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font=
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term=
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output=
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while true; do
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case "$1" in
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-f) [ "$2" ] || usage
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shift
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font=$1;;
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-p) [ "$2" ] || usage
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shift
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term="set term png"
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output="set output \"$1\"";;
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-*) usage;;
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*)
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break;;
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esac
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shift
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done
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[ "$2" ] || usage
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[ "$3" ] && usage
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prefix=$1
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file=$2
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gnuplot -persist <<EOF
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$term
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$output
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set label "$prefix" at graph 0.03, graph 0.93 font "$font,22"
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set xrange [2404:2481]
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set yrange [-20:20]
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set xlabel "Frequency of test wave (MHz)"
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set ylabel "Peak power (dB)"
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set xzeroaxis lt -1
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set mytics 2
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set grid
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plot "$file" using (\$1-0.5):2 with linespoints notitle
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EOF
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