Questions about Graph output
- To: mathgroup at smc.vnet.net
- Subject: [mg49200] Questions about Graph output
- From: Daohua Song <ds2081 at columbia.edu>
- Date: Wed, 7 Jul 2004 01:42:39 -0400 (EDT)
- Sender: owner-wri-mathgroup at wolfram.com
Dear Friends, (1)I saw several lines about how to save a graph in the forum before, but i can not catch the point. how does it work? plt1 = Plot[Sin[x], {x, 0, 2Pi}]; mydata = Flatten[Cases[plt1, Line[x__] -> x, Infinity], 1]; Export["mydata.txt", mydata, "CSV"]; (2) If i use implicit plot or contour plot, for example draw f[x,y]==Constant. My question is : how to save the curve to data points i can deal with(just like (1)), so i can work out the perimeter of this curve, area if it is closed etc. Thank you very much! Daohua
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