# set terminal canvas rounded size 600,400 enhanced fsize 10 lw 1.6 fontscale 1 name "rgbalpha_1" jsdir "." # set output 'rgbalpha.1.js' set key title "Plot style rgbalpha" center set key at screen 0.75, 0.75 left bottom vertical Left noreverse enhanced autotitle nobox set key noinvert samplen 1 spacing 1 width -7 height 0 set object 1 rect from screen 0, 0 to screen 1, 1 set object 1 behind clip lw 1.0 dashtype solid fc rgb "grey10" fillstyle solid 1.00 noborder set samples 128, 128 set size ratio 0.95 1,1 set style data lines set xrange [ 0.00000 : 128.000 ] noreverse nowriteback set yrange [ 0.00000 : 128.000 ] noreverse nowriteback set lmargin at screen 0.1 set bmargin at screen 0.1 set tmargin at screen 0.9 x = 0.0 ## Last datafile plotted: "lena.rgb" plot 100.*(.4+sin(x/5.)/(x/5.)) lw 5 title 'solid line', 'lena.rgb' binary array=(128,128) format="%uchar" flipy using 1:2:3:(2.*column(0)) with rgbalpha title "Lena with linear\nalpha gradient"