#!/usr/local/bin/gnuplot -persist
# set terminal qt 0 font "Sans,9"
# set output

set locale "de_DE.UTF-8"

set grid
set grid mxtics
set ytics 10000
set y2tics 10
set xlabel "hour"
set format x "%d. %Hh" time
set ylabel "Altitude [m] Pressure [Pa]" 
set y2label "Temperature [°C]" 
set yrange [0:110000]
set y2range [-50:60]
set key bottom

fn="data/F_74.LOGf"

set datafile separator "; "
plot fn u (timecolumn(3,"%H:%M:%S;%d.%m.%Y;")):16 t "Altitude [m]" w l lw 2, \
     "" u (timecolumn(3,"%H:%M:%S;%d.%m.%Y;")):17 axis x1y2 t "Temperature inside" w l, \
     "" u (timecolumn(3,"%H:%M:%S;%d.%m.%Y;")):18 axis x1y2 t "Temperature outside" w l, \
     "" u (timecolumn(3,"%H:%M:%S;%d.%m.%Y;")):($20*100) tit "Pressure [Pa]" w l

# set xrange [`date +%s -d 2018-09-24T08:00:00Z`:`date +%s -d 2018-09-24T13:00:00Z`]
# set grid nomxtics
# replot