From: <HIDDEN>
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Subject: Re: how to calculate area of interpolated surface
Date: Sat, 7 Mar 2009 08:38:02 +0000 (UTC)
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"John D'Errico" <> wrote in message <gopjc6$4i0$>...
> I don't know how to solve the problem as posed by the
> OP, since we still don't know what he has.

I got a topographic map with contour lines. I want to approximate the area of a region of the map based on the height of the contour lines.