set title "Interlocking Tori - PM3D surface with depth sorting and transparency"
unset border
unset key
set object 1 rect from screen 0, 0, 0 to screen 1, 1, 0 behind
set object 1 rect fc rgb "gray" fillstyle solid 1.0 border -1
set view 64, 345, 1.24375, 0.995902
set isosamples 50, 20
unset xtics
unset ytics
unset ztics
set parametric
set dummy u,v
set urange [ -pi : pi ]
set vrange [ -pi : pi ]
set palette rgbformulae 8, 9, 7
set style fill transparent solid 0.30 border
set pm3d depthorder border linecolor rgb "#a0a0f0" linewidth 0.5
splot cos(u)+.5*cos(u)*cos(v),sin(u)+.5*sin(u)*cos(v),.5*sin(v) with pm3d, \
1+cos(u)+.5*cos(u)*cos(v),.5*sin(v),sin(u)+.5*sin(u)*cos(v) with pm3d
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unset title set label 1 "Kuen's Surface" at screen 0.57, 0.9 set label 1 font "frscript,20" set pm3d depthorder border linetype -1 linewidth 0.5 set style fill transparent solid 0.65 border set palette set hidden3d set ticslevel 0 unset xtics ; unset ytics ; unset ztics unset border ; unset colorbox ; unset key set lmargin at screen 0.1 set bmargin at screen 0.1 set rmargin at screen 0.9 set tmargin at screen 0.9 set parametric set dummy u,v set urange [-4.5:4.5] set vrange [0.05:pi-0.05] set isosamples 51,51 set view 122, 357, 1.35, 1.08 a = 1.0 x(u,v) = 2.*a*(cos(u)+u*sin(u))*sin(v) / (1+u**2.*(sin(v))**2) y(u,v) = 2.*a*(sin(u)-u*cos(u))*sin(v) / (1+u**2.*(sin(v))**2) z(u,v) = a*log(tan(v/2.))+2.*cos(v)/(1+u**2.*(sin(v))**2) splot x(u,v), y(u,v), z(u,v) with pm3d |
reset |