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MathGroup Archive 2004

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RE: export plot data

  • To: mathgroup at smc.vnet.net
  • Subject: [mg47918] RE: [mg47884] export plot data
  • From: "David Park" <djmp at earthlink.net>
  • Date: Fri, 30 Apr 2004 19:26:56 -0400 (EDT)
  • Sender: owner-wri-mathgroup at wolfram.com

Quentin,

An example:

plot1 = Plot[Sin[x], {x, 0, 2Pi}];

The primitive graphics for the curve is in 

First[plot1]

You could extract the points that Mathematica used by

First@Cases[plot1, Line[points_] -> points, Infinity]

David Park
djmp at earthlink.net
http://home.earthlink.net/~djmp/ 

From: grimal [mailto:grimal at univ-paris12.fr]
To: mathgroup at smc.vnet.net

Dear list members,

I have developed a Mathematica notebook with a Plot command at the end. 
The evaluation of Plot[f,{x,xmin,xmax}] involves a function f that is 
defined in the notebook; xmin and xmax are also functions defined in the 
notebook and evaluated while doing the Plot.
I am satisfied with the result of the Plot command.

Now, I would like to export in a txt file the data (list of points) 
generated during the evaluation of the Plot. Then I could use the list 
of points to plot the data with another software.
I have tried the Table command to generate a list but it does not seem 
to work.
Can anybody help me?

Thanks

Quentin Grimal




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