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Re: Contour plot of irregularly spaced data



On 20 Jan 1998, Serge Crouzy wrote:

> 
>         Dear Mathematica users,
> 
>         How can I make a contour plot of irregularly spaced data ?
> 
>         Namely, I read a file containing 3 columns
>        x1  y1  z1
>        x2  y2  z2
>        ..........
>        xn  yn  zn
> 
>         And I want to make a contour plot of the zi, located at
>         coordinates (xi,yi) in the plane...
> 
>         Thanks a lot for your help

See Chapter 18, Section 4 of the book _Mathematica Graphics: Techniques
& Applications_ by Tom Wickham-Jones.  The subsection "Contour Plots"
provides an example of a contour plot of irregularly spaced data.  The
example makes use of special packages written for use with the book as
well as a MathLink executable, which performs the triangluation.

--
P.J. Hinton
Mathematica Programming Group           paulh@wolfram.com Wolfram
Research, Inc.                  http://www.wolfram.com/~paulh/




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