# set terminal canvas rounded size 600,400 enhanced fsize 10 lw 1.6 fontscale 1 name "surface2_7" jsdir "." # set output 'surface2.7.js' set dummy u, v set key bmargin center horizontal Right noreverse enhanced autotitle nobox set parametric set view 50, 30, 1, 1 set isosamples 40, 20 set hidden3d back offset 1 trianglepattern 3 undefined 1 altdiagonal bentover set style data lines set xyplane relative 0 set title "Parametric Shell (clipped to limited z range)" set urange [ 0.00000 : 6.28319 ] noreverse nowriteback set vrange [ 0.00000 : 6.28319 ] noreverse nowriteback set xrange [ * : * ] noreverse writeback set x2range [ * : * ] noreverse writeback set yrange [ * : * ] noreverse writeback set y2range [ * : * ] noreverse writeback set zrange [ -3.00000 : 1.50000 ] noreverse writeback set cbrange [ * : * ] noreverse writeback set rrange [ * : * ] noreverse writeback set colorbox vertical origin screen 0.9, 0.2 size screen 0.05, 0.6 front noinvert bdefault splot cos(u)*u*(1+cos(v)/2),sin(v)*u/2,sin(u)*u*(1+cos(v)/2)