Gnuplot.jl/examples/hidden2.3.jl
Giorgio Calderone 4fe3b81a8b Minor changes
2020-04-16 03:03:09 +02:00

42 lines
1.3 KiB
Julia

# Original example:
# http://gnuplot.sourceforge.net/demo/hidden2.html
using Gnuplot
@gsp "set multiplot title 'Interlocking Tori'"
U = LinRange(-pi, pi, 100); # 50
V = LinRange(-pi, pi, 20);
@gsp :- "unset key"
@gsp :- "unset xtics"
@gsp :- "unset ytics"
@gsp :- "unset ztics"
@gsp :- "set border 0"
@gsp :- "set view 60, 30, 1.5, 0.9"
@gsp :- "unset colorbox"
@gsp :- "set colorbox vertical user origin 0.9, 0.15 size 0.02, 0.50"
@gsp :- "set format cb '%.1f'"
for loop in 1:2
if loop == 1
@gsp :- 1 title="PM3D surface\\nno depth sorting"
@gsp :- "set origin -0.02,0.0"
@gsp :- "set size 0.55, 0.9"
@gsp :- "set pm3d scansforward" :- # scansbackward
else
@gsp :- 2 title="PM3D surface\\ndepth sorting"
@gsp :- "set origin 0.40,0.0"
@gsp :- "set size 0.55, 0.9"
@gsp :- "set pm3d depthorder"
end
x = [cos(u) + .5 * cos(u) * cos(v) for u in U, v in V]
y = [sin(u) + .5 * sin(u) * cos(v) for u in U, v in V]
z = [.5 * sin(v) for u in U, v in V]
@gsp :- x' y' z' "w pm3d"
x = [1 + cos(u) + .5 * cos(u) * cos(v) for u in U, v in V]
y = [.5 * sin(v) for u in U, v in V]
z = [sin(u) + .5 * sin(u) * cos(v) for u in U, v in V]
@gsp :- x' y' z' "w pm3d"
end