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Re: map: integerized sinusoidal [message #65251 is a reply to message #65250]

Wed, 18 February 2009 08:31

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

Roman writes:

> Thanks for all your comments ! Below you find the way I did it
> succesfully in IDL:

Well, I have to admit, it appears to be a miracle to me.
But if it works, it works. :-)

One question:

> ; transform into UTM coordinates
> mapStruct = map_proj_init('integerized sinusoidal', $
> center_longitude=0., false_northing = 0., $
> false_easting = 0., is_zones=86400.0, $
> sphere_radius = 6371007.181)

Where did you come up with that number, 86400, for the
IS_ZONES keyword? I thought there were a total of 648
"tiles" or "zones" in an integerized sinusoidal projection.

Cheers,

David
--
David Fanning, Ph.D.
Coyote's Guide to IDL Programming (www.dfanning.com)
Sepore ma de ni thui. ("Perhaps thou speakest truth.")

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[Message index]

		Re: map: integerized sinusoidal By: jameskuyper on Sat, 21 February 2009 03:53
		Re: map: integerized sinusoidal By: ben.bighair on Fri, 20 February 2009 17:12
		Re: map: integerized sinusoidal By: David Fanning on Fri, 20 February 2009 14:18
		Re: map: integerized sinusoidal By: Roman on Wed, 18 February 2009 08:47
		Re: map: integerized sinusoidal By: David Fanning on Wed, 18 February 2009 08:31
		Re: map: integerized sinusoidal By: Roman on Wed, 18 February 2009 07:40
		Re: map: integerized sinusoidal By: David Fanning on Tue, 17 February 2009 12:59
		Re: map: integerized sinusoidal By: liamgumley on Tue, 17 February 2009 11:09

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