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Coordinate extraction from ListContourPlot

  • To: mathgroup at
  • Subject: [mg47451] Coordinate extraction from ListContourPlot
  • From: "Mark E. Berres" <markb at>
  • Date: Mon, 12 Apr 2004 03:45:04 -0400 (EDT)
  • Organization: University of Wisconsin, Madison
  • Sender: owner-wri-mathgroup at

I have a list of (x,y) coordinates which I first pass through BinCounts to
calculate the number
of elements in that list within a specified range. Next, I use
ListContourPlot to visualize the
distribution with a defined number of contours (easy).

What I cannot figure out is how to generate a list of the original (x,y)
elements that fall within the
boundaries defined by the contours (not so easy?). Apparently, BinCounts
does not store the
element mappings to specific bins, so I'm out of luck there. Moreover,
getting ahold of the contour
coordinates themselves is troubling. I've figured out the latter, but remain
stuck otherwise. Has anyone
else had cause to perfrom such an analysis?



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