# set terminal canvas  rounded size 600,400 enhanced fsize 10 lw 1.6 fontscale 1 name "transparent_2" jsdir "."
# set output 'transparent.2.js'
set style fill  transparent solid 0.50 noborder
set key title "Gaussian Distribution" enhanced   center
set key fixed left top vertical Left reverse enhanced autotitle nobox
set key noinvert samplen 1 spacing 1 width 0 height 0
set style data lines
set style function filledcurves y1=0
set title "Transparent filled curves" 
set xrange [ -5.00000 : 5.00000 ] noreverse
set yrange [ 0.00000 : 1.00000 ] noreverse
unset colorbox
Gauss(x,mu,sigma) = 1./(sigma*sqrt(2*pi)) * exp( -(x-mu)**2 / (2*sigma**2) )
d1(x) = Gauss(x, 0.5, 0.5)
d2(x) = Gauss(x,  2.,  1.)
d3(x) = Gauss(x, -1.,  2.)
save_encoding = "utf8"
plot d1(x) fs solid 1.0 lc rgb "forest-green" title "μ =  0.5 σ = 0.5",      d2(x) lc rgb "gold" title "μ =  2.0 σ = 1.0",      d3(x) lc rgb "dark-violet" title "μ = -1.0 σ = 2.0"