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Re: associated variables in structures [message #11199 is a reply to message #11192]

Mon, 09 March 1998 00:00

Martin Schultz
Messages: 515
Registered: August 1997

Senior Member

David Fanning wrote:
>
> Jacobus Koster (nosuch@ix.netcom.com) writes:
>
>> Wizards,
>
>
> No, indeed. An associated variable is not really, ...well, a
> variable. It is more of a mapping than a variable. It maps
> some kind of an organization onto a file in a way that makes
> it *appear* to be a variable.
>
> [...]

haven't gained any experience with associated variables yet, but my
approach to this problem would be to figure out the filepos pointer to
each of the images in a first step and then use this array of "pointers"
(in fact they are long words) to quickly access the selected image that
you want to read it in. Now, if David tells me that this is exactly what
ASSOC is meant for, then I will change my program today!

Martin.

------------------------------------------------------------ -------
Dr. Martin Schultz
Department for Earth&Planetary Sciences, Harvard University
186 Pierce Hall, 29 Oxford St., Cambridge, MA-02138, USA

phone: (617)-496-8318
fax : (617)-495-4551

e-mail: mgs@io.harvard.edu
IDL-homepage: http://www-as.harvard.edu/people/staff/mgs/idl/
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[Message index]

		Re: associated variables in structures By: davidf on Mon, 09 March 1998 00:00
		Re: associated variables in structures By: Martin Schultz on Mon, 09 March 1998 00:00
		Re: associated variables in structures By: davidf on Sat, 07 March 1998 00:00

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