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Re: Interpolation and creating profiles from contour maps. [message #83728]

Tue, 26 March 2013 08:42

Kenneth Bowman
Messages: 86
Registered: November 2006

Member

On 2013-03-22 18:56:39 +0000, gpeterso@ucsc.edu said:

> I have a very large 2d data array 824 by 912 of elevation points. I
> have successfully contoured it and I am wondering if anyone has any
> advice on how to create profiles using the interpolate command of areas
> on the contour map I find specifically interesting. My data goes from
> 0-90s latitude and 270-360 longitude.

Once you figure out how the keyword parameters work, you can use
MAP_2POINTS to generate an equally-spaced line of points along a great
circle arc. Then use INTERPOLATE to interpolate to those points. You
can use the CURSOR procedure to interactively select the end points of
the arc.

Ken Bowman

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		Re: Interpolation and creating profiles from contour maps. By: Kenneth Bowman on Tue, 26 March 2013 08:42
		Re: Interpolation and creating profiles from contour maps. By: gpeterso on Fri, 22 March 2013 13:36

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