# set terminal pngcairo  transparent enhanced font "arial,10" fontscale 1.0 size 600, 400 
# set output 'azimuth.1.png'
unset border
unset key
set label 1 "X" at 1.20000, 0.00000, 0.00000 center norotate back nopoint
set label 2 "Y" at 0.00000, 1.20000, 0.00000 center norotate back nopoint
set label 3 "Z" at 0.00000, 0.00000, 23.0000 center norotate back nopoint
set arrow 1 from 0.00000, 0.00000, 0.00000 to 1.00000, 0.00000, 0.00000 head back filled linewidth 1.500 dashtype solid
set arrow 2 from 0.00000, 0.00000, 0.00000 to 0.00000, 1.00000, 0.00000 head back filled linewidth 1.500 dashtype solid
set arrow 3 from 0.00000, 0.00000, 0.00000 to 0.00000, 0.00000, 21.0000 head back filled linewidth 1.500 dashtype solid
set view 60, 30, 1, 1.75
set view azimuth 60
set view  equal xy
set style data lines
set xzeroaxis
set yzeroaxis
set zzeroaxis
set xyplane at 0
unset xtics
unset ytics
set ztics axis in scale 1,0.5 nomirror norotate  autojustify
set title "azimuth 60" 
set title  offset character 0, 2, 0 font "" textcolor lt -1 norotate
NO_ANIMATION = 1
## Last datafile plotted: "+"
## Last plot was a multiplot
# saved multiplot
set multiplot layout 1,3
set view azimuth 0.
set title 'azimuth 0' offset 0,2
splot sample [t=0:20] '+' using (cos($1)):(sin($1)):($1) with lines lw 2

set title 'azimuth 10' offset 0,2
set view azimuth 10.
splot sample [t=0:20] '+' using (cos($1)):(sin($1)):($1) with lines lw 2

set title 'azimuth 60' offset 0,2
set view azimuth 60.
splot sample [t=0:20] '+' using (cos($1)):(sin($1)):($1) with lines lw 2

unset multiplot