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Groups > comp.graphics.apps.gnuplot > #2146

Re: Splot 3d data with interpolated pm3d colors at b

From Ethan A Merritt <sfeam@users.sourceforge.net>
Newsgroups comp.graphics.apps.gnuplot
Subject Re: Splot 3d data with interpolated pm3d colors at b
Date 2013-10-14 15:57 -0700
Organization gnuplot development
Message-ID <l3hssk$f5l$1@dont-email.me> (permalink)
References <c6b28b43-e88d-4d59-a90a-fe7e0a52202a@googlegroups.com>

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biostudies5@googlemail.com wrote:

> Hi,
> 
> I'd like to plot a simple 3d mesh (uncoloured surface plot) with
> interpolated pm3d colors at bottom representing the same data. Thus, I
> typed in:
> 
> set dgrid3d
> set pm3d at b interpolate, 30,30
> splot 'file.txt' w l
> 
> But all what I get is a coloured surface plot. What's wrong, where's the
> mistake and how can I fix it.

I can pretty much guarantee that you don't want "interpolate 30,30".
That instructs the program to break each rectangle of the mesh into
900 subrectangles, eating up lots of CPU time but accomplishing very
little.

But yes, it does seem that giving any interpolation values other than 1
has the unintended side effect of cancelling the "at bottom".

	Ethan

> Thanks for help!
> B

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Thread

Splot 3d data with interpolated pm3d colors at b biostudies5@googlemail.com - 2013-10-14 13:01 -0700
  Re: Splot 3d data with interpolated pm3d colors at b Ethan A Merritt <sfeam@users.sourceforge.net> - 2013-10-14 15:57 -0700
    Re: Splot 3d data with interpolated pm3d colors at b biostudies5@googlemail.com - 2013-10-14 22:32 -0700
      Re: Splot 3d data with interpolated pm3d colors at b Ethan A Merritt <sfeam@users.sourceforge.net> - 2013-10-15 10:08 -0700
        Re: Splot 3d data with interpolated pm3d colors at b biostudies5@googlemail.com - 2013-10-15 13:29 -0700
          Re: Splot 3d data with interpolated pm3d colors at b biostudies5@googlemail.com - 2013-10-15 14:09 -0700

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