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Re: Map Projection Bug [message #64733 is a reply to message #64731]

Thu, 15 January 2009 09:55

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

cgpadwick@gmail.com writes:

> Everytime Map_Proj_Init is called it modifies the internal !MAP
> structure. So your second call is modifying !MAP and that's why it's
> behaving the way it is.

That was my first thought, too, but there is no evidence
of it. Since I am using the GCTC map projections, I am
not touching !MAP, and its values are all zero throughout
my example.

It is likely that there is an (undocumented) internal
configuration that gets set with MAP_PROJ_INIT, but
I have no idea what it is or how to reset it.

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 Projection Bug By: David Fanning on Thu, 15 January 2009 15:47
		Re: Map Projection Bug By: David Fanning on Thu, 15 January 2009 14:25
		Re: Map Projection Bug By: cgpadwick on Thu, 15 January 2009 13:21
		Re: Map Projection Bug By: pgrigis on Thu, 15 January 2009 12:43
		Re: Map Projection Bug By: MarioIncandenza on Thu, 15 January 2009 12:27
		Re: Map Projection Bug By: David Fanning on Thu, 15 January 2009 09:55
		Re: Map Projection Bug By: cgpadwick on Thu, 15 January 2009 09:01
		Re: Map Projection Bug By: R.Bauer on Fri, 16 January 2009 04:00

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