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Range Keywords to Map Function Broken in IDL 8.1 [message #78328]

Thu, 10 November 2011 20:44

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

Folks,

In my struggle to learn more about GRIB files today,
I have also confirmed that the range keywords to the
Map function are broken in IDL 8.1. (Although,
reportedly fixed in IDL 8.2.) Among other things,
this makes it impossible to create a map projection
that is coincident with an image or 2D array.
The map projection always "overflows" its bounds.

I've written an article that describes the problem
and shows several unsuccessful attempts to work
around the problem.

http://www.idlcoyote.com/map_tips/nobounds.php

Cheers,

David

--
David Fanning, Ph.D.
Fanning Software Consulting, Inc.
Coyote's Guide to IDL Programming: http://www.idlcoyote.com/
Sepore ma de ni thui. ("Perhaps thou speakest truth.")

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Range Keywords to Map Function Broken in IDL 8.1

By: David Fanning on Thu, 10 November 2011 20:44

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