[Gnuplot-info] hidden3d: hide surface with higher z value when splotting multiple surfaces from datafile

[delete000 <jua...@ho...>]

Hello,

I'm trying to plot 5 surfaces in the same plot:

splot 'data.dat' u 1:2:5 w l,'data.dat' u 1:2:6 w l, 'data.dat' u 1:2:7 w
l,'data.dat' u 1:2:8 w l,'data.dat' u 1:2:9 w l

The problem is that when using hidden3d or pm3d-hidden3d, the surfaces are
ordered depending on which one is plotted first, so in the above example
"'data.dat' u 1:2:5 w l" covers "'data.dat' u 1:2:6 w l" which covers
"'data.dat' u 1:2:7 w l" and so on. Is it possible to order surfaces
depending on their z value at each point, so that if a surface falls beneath
another one at some point, only the highest one is visible at that point?

Thanks in advance,
Stefanos
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