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Re: extracting contour points

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  • Subject: [mg92500] Re: extracting contour points
  • From: peterp <peterp at>
  • Date: Wed, 1 Oct 2008 18:35:59 -0400 (EDT)
  • References: <gbulri$ld4$> <gbvltr$bc9$>

On Oct 1, 7:11 am, Jens-Peer Kuska <ku... at>
> Hi,
> what Mathematica version ?
> grcontour = Graphics[contour];
> is useless in Version 6 and
> First[grcontour] // Normal
> is useless in version 5.x ??
> And in your ContourPlot[] is only *one* line.
> Regards
>    Jens

This is done on v5.2 (solaris os). To post the code I simply
cut/pasted from the mathematica window, some symbols
got mangled but the original code works, see below.

I'm really confused :-)

this is the mathematica graphic:
and I see two lines (one horizontal from the left and going up, the other
horizontal from the right and going down).

My code extracts these points:
which, when graphed with xmgr give me this:

I could just use the one line, but I'm also learning the software...


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