Groups > comp.graphics.apps.gnuplot > #624

Re: maximum number of point used for splot

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From	sfeam <sfeam@users.sourceforge.net>
Newsgroups	comp.graphics.apps.gnuplot
Subject	Re: maximum number of point used for splot
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Date	Wed, 05 Oct 2011 10:17:29 -0700
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Medical.Physicist wrote:

> Hi
> I have a file of points x y z arranged in blocks. These blocks
> represent particle tracks.
> I was able to plot these tracks using splot with lines for 500 track.
> I have a file that have 10,000 tracks. When I try using the splot
> command with this file
> I get the following error from Gnuplot:
> 
>   splot "PARTICLE_TRACK_000" with lines
>                ^
>          "D:\MSDEV\Projects\COMPUTE_SPECTRUM_LAYERS\October  4 2011
> 11_31_57_00
> 0 PM\Particle_Track\PARTICLE_TRACK.GNU.DEM", line 26: 2 columns only
> possible wi
> th explicit pm3d style (line 24251)
> 
> I am not sure why?
> My  guess is that their is a limitation on the number points????

On a 32-bit system the limitation on number of points is roughly
8 million.  On a 64-bit system there is effectively no limit.

> Or do I need to use different command??

You said the command does work for 500 points, right?

I can think of two possible problems.

1) There is a single bad line (only 2 coordinates readable 
   instead of 3 coordinates x/y/z).  In this case you may be
   able to force the correct interpretation by saying instead
   splot "PARTICLE_TRACK_000" using 1:2:3 with lines

2) The input stream is truncated due to some buffer size limitation
   in Windows.  That seems unlikely to me, but perhaps someone more
   familiar with Windows configuration can help.

> 
> Mat M Tamimi
> mtamimi@netzero.net

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Thread

maximum number of point used for splot "Medical.Physicist" <mattamimi@gmail.com> - 2011-10-05 08:14 -0700
  Re: maximum number of point used for splot sfeam <sfeam@users.sourceforge.net> - 2011-10-05 10:17 -0700
    Re: maximum number of point used for splot "Medical.Physicist" <mattamimi@gmail.com> - 2011-10-05 12:44 -0700

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