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Contour irregular earth data? [message #6432] Tue, 11 June 1996 00:00
Jeff Hicke is currently offline  Jeff Hicke
Messages: 3
Registered: June 1996
Junior Member
Hello,

I am running into problems trying to contour irregularly gridded earth
data. For example, I have a lat/lon list of cities and temperatures,
and want to contour them. However, using IDL's sph_scat together with
map_image or contour gives unsatisfying results. Artificial highs and
lows are created instead of simply interpolating between cities. Also,
contours are drawn in areas far from the cities, and I would like to
have the map blank in those areas. Does anyone have code or suggestions
about how to accomplish this?

Thanks in advance,
Jeff Hicke

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