Re: extracting points plotted by ContourPlot
- Subject: [mg3381] Re: [mg3356] extracting points plotted by ContourPlot
- From: hay at haystack.demon.co.uk (Allan Hayes)
- Date: 3 Mar 1996 12:50:42 -0600
- Approved: usenet@wri.com
- Distribution: local
- Newsgroups: wri.mathgroup
- Organization: Wolfram Research, Inc.
- Sender: daemon at wri.com
Richard Easther <easther at cfi.waseda.ac.jp>
>Subject: [mg3356] extracting points plotted by ContourPlot
Wants to extract the lists of points on the contours lines given by
ContourPlot
Richard: You might try something like
Cases[Graphics[
ContourPlot[x^2+y^2-1.3, {x,-1,1},{y,-1,1}, Contours -> {0}]],
Line[lst_] -> lst,
Infinity
]
Allan Hayes, hay at haystack.demon.co.uk