# set terminal pngcairo transparent enhanced font "arial,10" fontscale 1.0 size 600, 400 # set output 'surface2.5.png' set bar 1.000000 front set style circle radius graph 0.02, first 0.00000, 0.00000 set style ellipse size graph 0.05, 0.03, first 0.00000 angle 0 units xy set dummy u, v set key bmargin center horizontal Right noreverse enhanced autotitle nobox set style textbox transparent margins 1.0, 1.0 border unset logscale set parametric set view 45, 50, 0.7, 1.4 set isosamples 50, 10 set hidden3d back offset 1 trianglepattern 3 undefined 1 altdiagonal bentover set style data lines set xyplane relative 0 unset paxis 1 tics unset paxis 2 tics unset paxis 3 tics unset paxis 4 tics unset paxis 5 tics unset paxis 6 tics unset paxis 7 tics set title "Parametric Hexagon" set urange [ -1.30000 : 1.30000 ] noreverse nowriteback set vrange [ 0.00000 : 6.28319 ] noreverse nowriteback set paxis 1 range [ * : * ] noreverse nowriteback set paxis 2 range [ * : * ] noreverse nowriteback set paxis 3 range [ * : * ] noreverse nowriteback set paxis 4 range [ * : * ] noreverse nowriteback set paxis 5 range [ * : * ] noreverse nowriteback set paxis 6 range [ * : * ] noreverse nowriteback set paxis 7 range [ * : * ] noreverse nowriteback set colorbox vertical origin screen 0.9, 0.2, 0 size screen 0.05, 0.6, 0 front noinvert bdefault splot cos(v)**3*cos(u)**3,sin(v)**3*cos(u)**3,sin(u)**3