# set terminal pngcairo  background "#ffffff" font "arial,9" fontscale 1.0 size 500, 350 
# set output 'timedat.2.png'
set border 31 front linetype -1 linewidth 1.000
set timefmt z "%s"
set timefmt y "%s"
set ydata time
set timefmt x "%s"
set timefmt cb "%s"
set timefmt y2 "%s"
set timefmt x2 "%s"
set format x "% g"
set format y "% g"
set format x2 "% g"
set format y2 "% g"
set format z "% g"
set format cb "% g"
set format r "% g"
set key inside right top vertical Right noreverse enhanced autotitles nobox
unset key
set style increment default
set style histogram clustered gap 2 title  offset character 0, 0, 0
set offsets 0.5, 1.5, 0.2, 0.2
set clabel '%8.3g'
set xzeroaxis linetype -2 linewidth 1.000
set yzeroaxis linetype -2 linewidth 1.000
set zzeroaxis linetype -2 linewidth 1.000
set x2zeroaxis linetype -2 linewidth 1.000
set y2zeroaxis linetype -2 linewidth 1.000
set xtics border in scale 1,0.5 mirror norotate  offset character 0, 0, 0 autojustify
set xtics  norangelimit
set xtics   ()
set ytics border in scale 1,0.5 mirror norotate  offset character 0, 0, 0 autojustify
set ytics  norangelimit
set ytics   ()
set ztics border in scale 1,0.5 nomirror norotate  offset character 0, 0, 0 autojustify
set cbtics border in scale 1,0.5 mirror norotate  offset character 0, 0, 0 autojustify
set rtics axis in scale 1,0.5 nomirror norotate  offset character 0, 0, 0 autojustify
set title "Time data on Y, microsecond precision" 
set title  offset character 0, 0, 0 font ",14" norotate
set timestamp  offset character 0, 0, 0 font "" norotate
set xlabel  offset character 0, 0, 0 font "" textcolor lt -1 norotate
set x2label  offset character 0, 0, 0 font "" textcolor lt -1 norotate
set ylabel  offset character 0, 0, 0 font "" textcolor lt -1 rotate by -270
set y2label  offset character 0, 0, 0 font "" textcolor lt -1 rotate by -270
set zlabel  offset character 0, 0, 0 font "" textcolor lt -1 norotate
set cblabel  offset character 0, 0, 0 font "" textcolor lt -1 rotate by -270
set fit noerrorvariables
fulltime(col) = strftime("%d %b %Y\n%H:%M:%.3S",column(col))
parttime(col) = strftime("%H:%M:%.3S",column(col))
GPFUN_fulltime = "fulltime(col) = strftime(\"%d %b %Y\\n%H:%M:%.3S\",column(col))"
GPFUN_parttime = "parttime(col) = strftime(\"%H:%M:%.3S\",column(col))"
plot '-' using 0:1:(fulltime(1)):xticlabels(2):yticlabels(parttime(1))          with labels point pt 7 left offset 1,1 font ",7"