unset label unset key unset label set terminal wxt font ' ,25' set datafile separator ',' csv_input = "Histogram_of_Phase.csv" #input file name stats csv_input every ::1 u 2:3 nooutput lmax = STATS_max_y #maximum of the siganl lmin = STATS_min_y set xrange [0:180] unset ytics set xtics 0,60,180 set pm3d map set palette defined (0 "black", 30 "blue", 73 "green", 143 "red", 180 "grey") set palette color set key autotitle columnhead splot [0:180][0:1] x set samples 1000 set style fill solid plot csv_input u 2:3:2 w boxes palette title "",\ csv_input u 2:3 w line lc "black" lw 5 smooth csplines title "" #plot csv_input u 2:3:2 w boxes palette unset colorbox