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

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

hello,

thanks for your help Hans-Bernhard Bröker-2. with your help i can now make
the plot i wanted. it would look much better though if i could at least
color the surfaces (solid color, no contour needed) and i think i can't do
that without using pm3d. so i guess i'll have to make a multiplot and plot
each surface on its own.

thanks again,
Stefanos



Hans-Bernhard Bröker-2 wrote:
> 
> delete000 wrote:
> 
>> The problem is that when using hidden3d or pm3d-hidden3d, the surfaces
>> are
>> ordered depending on which one is plotted first, 
> 
> No they're not.  At least the real hidden3d mode quite definitely 
> doesn't make such silly mistakes.
> 
> 	set hidden3d
> 	splot 5, 4, 3, 2, 1
> 
> definitely doesn't have the surface at z=1 covering the one at z=5.
> 
> I wouldn't extend similar warranties to pm3d's same-named option, 
> though.   Particularly not in older versions of gnuplot.
> 
>> Is it possible to order surfaces depending on their z value at each
>> point,
> 
> Not generally.  Nor would that make terribly much sense.  Surfaces must 
> be ordered by distance to the view (i.e. the axis pointing out of the 
> display plane), not the data z value.  Remember that you can rotate the 
> view such that lower z's are closer to you than higher ones.
> 
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