# set terminal png transparent nocrop enhanced font arial 8 size 420,320 # set output 'heatmaps.1.png' unset key set view map set style data linespoints set xtics border in scale 0,0 mirror norotate offset character 0, 0, 0 set ytics border in scale 0,0 mirror norotate offset character 0, 0, 0 set ztics border in scale 0,0 nomirror norotate offset character 0, 0, 0 set nocbtics set title "Heat Map generated from a file containing Z values only" set urange [ * : * ] noreverse nowriteback # (currently [-5.00000:5.00000] ) set vrange [ * : * ] noreverse nowriteback # (currently [-5.00000:5.00000] ) set xrange [ -0.500000 : 4.50000 ] noreverse nowriteback set yrange [ -0.500000 : 4.50000 ] noreverse nowriteback set zrange [ * : * ] noreverse nowriteback # (currently [0.00000:5.00000] ) set cblabel "Score" set cbrange [ 0.00000 : 5.00000 ] noreverse nowriteback set palette rgbformulae -7, 2, -7 splot '-' matrix with image