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Re: Filling in the Gaps (contour mapping)
- Subject: Re: Filling in the Gaps (contour mapping)
- From: wmc(at)bas.ac.uk
- Date: 11 May 2000 21:32:13 GMT
- Newsgroups: comp.lang.idl-pvwave
- References: <391AF7A9.9DC01F48@mathstat.dal.ca>
- User-Agent: tin/pre-1.4-981114 ("The Watchman") (UNIX) (OSF1/V4.0 (alpha))
- Xref: news.doit.wisc.edu comp.lang.idl-pvwave:19558
Simon de Vet <simon@mathstat.dal.ca> wrote:
>When plotted, the vast majority looks great. However, at the seam
>running through 0 longitude, the two edges are not connected...
Thwe answer, as I recall (and it may even be in the doc, not sure) is
that you need to define "wrap around" points, ie
0, 3.75, 2*3.75,...,360-3.75, [360]
where the extra [360] point is given the same value as 0 (of course).
-W.
--
William M Connolley | wmc@bas.ac.uk | http://www.nbs.ac.uk/icd/wmc/
Climate Modeller, British Antarctic Survey | Disclaimer: I speak for myself
(yes, BAS has at at last got rid of that irritating "public" in the URL)