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Re: Drawing satellite pixels on maps? [message #7524 is a reply to message #7466]

Mon, 25 November 1996 00:00

Liam Gumley
Messages: 473
Registered: November 1994

Senior Member

Philippe Peeters wrote:
> I want to draw satellite data on a map. Each ground pixel is defined by
> the latitude and longitude of the 4 corners. It is not a regular
> rectangle or square and depend on the viewing geometry of the satellite
> instrument.
[attempts to solve problem with POLYFILL described]

This is a problem that I have also encountered - I have no solution.
Does anyone know if IDL 5.0 will address any of these map related
problems?

> And now a question related to the same topic. How can I resample the
> irregular ground pixels onto a regular (square or rectangle) grid?

You may wish to try my *hack* for solving this problem. I've found
it makes decent images for high resolution sensors such as AVHRR.
Look for "Image Mapping Tool" at http://cimss.ssec.wisc.edu/~gumley

Cheers,
Liam.

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[Message index]

		Drawing satellite pixels on maps? By: Philippe Peeters on Tue, 19 November 1996 00:00
		Re: Drawing satellite pixels on maps? By: Liam Gumley on Mon, 25 November 1996 00:00
		Re: Drawing satellite pixels on maps? By: Philippe Peeters on Fri, 22 November 1996 00:00

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