# set terminal pngcairo transparent enhanced font "arial,8" fontscale 1.0 size 512, 280 # set output 'transparent.4.png' set clip two set style fill transparent pattern 4 border set key title "Gaussian Distribution" 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 increment default set style data lines set style function filledcurves y1=0 set title "Transparent pattern-filled curves" set xrange [ -5.00000 : 5.00000 ] noreverse nowriteback set x2range [ * : * ] noreverse writeback set yrange [ 0.00000 : 1.00000 ] noreverse nowriteback set y2range [ * : * ] noreverse writeback set zrange [ * : * ] noreverse writeback set cbrange [ * : * ] noreverse writeback set rrange [ * : * ] noreverse writeback 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"