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Re: Error with MapProjection::Forward [message #86666 is a reply to message #86665]

Wed, 27 November 2013 06:02

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

Madhavan Bomidi writes:

> I get the same error message ...
> % Attempt to call undefined method: 'MAPPROJECTION::MAPFORWARD'.
> % Execution halted at: MELPITZ_GOOGLE_PLOT 38
>
> I don't have any clue now!!! Any help to solve this issue will be of great help.

Well, you have IDL 8.0, which was the absolute buggiest version of IDL
ever when it came to these new function graphics routines. If you want
to use function graphics I think you will have to upgrade to the latest
version, which is quite a bit better. (Your code ran in IDL 8.2.3.)

The other alternative is to use Coyote Graphics to make your Google map.
(It will probably look better, too.) You can find an example of what you
are trying to do and code to do this in the Coyote Plot Gallery:

http://www.idlcoyote.com/gallery/index.html

Cheers,

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

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[Message index]

		Error with MapProjection::Forward By: atmospheric physics on Wed, 27 November 2013 03:17
		Re: Error with MapProjection::Forward By: David Fanning on Wed, 27 November 2013 05:23
		Re: Error with MapProjection::Forward By: atmospheric physics on Wed, 27 November 2013 05:56
		Re: Error with MapProjection::Forward By: David Fanning on Wed, 27 November 2013 06:02
		Re: Error with MapProjection::Forward By: atmospheric physics on Wed, 27 November 2013 08:04
		Re: Error with MapProjection::Forward By: David Fanning on Wed, 27 November 2013 08:38
		Re: Error with MapProjection::Forward By: David Fanning on Wed, 27 November 2013 12:50
		Re: Error with MapProjection::Forward By: atmospheric physics on Thu, 28 November 2013 01:28
		Re: Error with MapProjection::Forward By: David Fanning on Thu, 28 November 2013 05:23
		Re: Error with MapProjection::Forward By: atmospheric physics on Thu, 28 November 2013 06:52
		Re: Error with MapProjection::Forward By: atmospheric physics on Thu, 28 November 2013 06:57
		Re: Error with MapProjection::Forward By: David Fanning on Thu, 28 November 2013 07:04
		Re: Error with MapProjection::Forward By: David Fanning on Wed, 27 November 2013 08:54
		Re: Error with MapProjection::Forward By: atmospheric physics on Wed, 27 November 2013 09:08
		Re: Error with MapProjection::Forward By: David Fanning on Wed, 27 November 2013 10:15
		Re: Error with MapProjection::Forward By: David Fanning on Wed, 27 November 2013 10:41

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