# set terminal canvas  rounded size 600,400 enhanced fsize 10 lw 1.6 fontscale 1 name "pointsize_1" jsdir "."
# set output 'pointsize.1.js'
unset border
unset key
set style data lines
unset xtics
unset ytics
unset ztics
set title "plot with variable size points" 
x = 0.0
## Last datafile plotted: "world.cor"
plot 'world.dat' with lines lt 3,      'world.cor' using 1:2:(5.*rand(0)) with points lt 1 pt 6 ps variable