# set terminal png transparent nocrop enhanced font arial 8 size 420,320 # set output 'pm3d.16.png' set border 4095 front linetype -1 linewidth 1.000 set style line 100 linetype 5 linewidth 0.500 pointtype 100 pointsize default set view 50, 220, 1, 1 set samples 30, 30 set isosamples 30, 30 unset surface set title "set pm3d hidden3d : pm3d's much faster hidden3d variant" set xrange [ -2.00000 : 2.00000 ] noreverse nowriteback set yrange [ -2.00000 : 2.00000 ] noreverse nowriteback set pm3d implicit at s set pm3d interpolate 1,1 flush begin noftriangles hidden3d 100 corners2color mean splot log(x*x*y*y)