# set terminal pngcairo  transparent enhanced font "arial,10" fontscale 1.0 size 600, 400 
# set output 'Fresnel.2.png'
unset border
unset key
set label 1 "{/:Bold Clothoid using Fresnel integrals}" at screen 0.1, 0.9, 0 left norotate back nopoint
set label 2 "x = FresnelC(z) = {/*2 ∫@_{/*0.5 0}^{/*.5 x}} {/:Italic cos(@^π⁄_2 t^2)dt}\n" at screen 0.1, 0.8, 0 left norotate back nopoint
set label 3 "y = FresnelS(z) = {/*2 ∫@_{/*0.5 0}^{/*.5 x}} {/:Italic sin(@^π⁄_2 t^2)dt}\n" at screen 0.1, 0.7, 0 left norotate back nopoint
set samples 1000, 1000
set size ratio 1 1,1
set xzeroaxis
set yzeroaxis
set xtics axis in scale 1,0.5 mirror norotate  autojustify
set xtics add  ("" 0.00000)
set ytics axis in scale 1,0.5 mirror norotate  autojustify
set ytics add  ("" 0.00000)
set xrange [ -1.00000 : 1.00000 ] noreverse nowriteback
set x2range [ * : * ] noreverse writeback
set yrange [ -1.00000 : 1.00000 ] noreverse nowriteback
set y2range [ * : * ] noreverse writeback
set zrange [ * : * ] noreverse writeback
set cbrange [ * : * ] noreverse writeback
set rrange [ * : * ] noreverse writeback
set colorbox vertical origin screen 0.9, 0.2 size screen 0.05, 0.6 front  noinvert bdefault
NO_ANIMATION = 1
save_encoding = "utf8"
## Last datafile plotted: "+"
plot sample [t=-9:9] '+' using (FresnelC(t)) : (FresnelS(t)) with lines lc "blue" lw .6