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Re: getting data points instead of a plot in ListContourPlot ?

  • To: mathgroup at smc.vnet.net
  • Subject: [mg98760] Re: getting data points instead of a plot in ListContourPlot ?
  • From: "Sjoerd C. de Vries" <sjoerd.c.devries at gmail.com>
  • Date: Sat, 18 Apr 2009 03:37:58 -0400 (EDT)
  • References: <gs9egu$mop$1@smc.vnet.net>

Try FullForm on your Plot. You'll see it is all Graphics commands and
stuff. With smart pattern matching you can isolate your coordinates.

Cheers -- Sjoerd

On Apr 17, 10:27 am, mcf <m... at lpp.polytechnique.fr> wrote:
> Using Mathematica, I have determined the "level zero" of a 3D plot using ListContourPlot[ matrix , Contours -> {0}, ContourShading -> False ].
> Now I would like to exploit these data instead of making a plot of it, namely I would like to get the couples of points corresponding to the level zero of the 3D plot of matrix.
> Is there any way to force mathematica to give data instead of making a plot, i.e. to change the nature of the output from a plot to data points ?
> Or do you have any idea to get these ?
> Thank you !



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