set terminal windows enhanced set pm3d map set ylabel "Energy (Ry)" set grid unset colorbox set xtics ("{W}" 0.000000, "{L}" 0.707107, "{/Symbol G}" 1.57313, "{X}" 2.57313, "{W}" 3.07313, "{K}" 3.42669) set palette defined (0 "white", 450 "red") set yrange[-0.8:0.2] set size 1.1,1.1 splot "NiUP.dat" title "" #splot "NiDown.dat" title "" # set terminal png enhanced font "Arial" size 520,390 # set output "NiUp.png" # #set output "NiDown.png" # rep