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Re: Name of arrays [message #79328 is a reply to message #79269]

Tue, 21 February 2012 07:12

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

Craig Markwardt writes:

> No, structures are easy. You can add as many elements as you want and
> they can be any size that you want.
>
> ; First you create a dummy structure, or add some overall "metadata"
> information if you want.
> my_struct = {file_date:'2012-01-03'} ;; Whatever you want
>
> ; Then add as many data points as you want.
> my_struct = create_struct(my_struct, TEMPERATURE+MONTH(0), fltarr(28))
> my_struct = create_struct(my_struct, TEMPERATURE+MONTH(1), fltarr(30))
> ...
> my_struct = create_struct(my_struct, TEMPERATURE+MONTH(11),
> fltarr(30))
>
> Pointers introduce their own overhead of allocating, managing and de-
> allocating them. Structures are totally extensible and have basically
> no mental overhead.
>
> Later on, you can retrieve the contents with TAG_NAMES(), and the
> "structure array" notation my_struct.(N).

See, what did I tell you? Structures are totally inflexible,
unless you know what you are doing with them. ;-)

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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[Message index]

		Name of arrays By: Israel Rodriguez Herm on Sun, 19 February 2012 04:30
		Re: Name of arrays By: David Fanning on Wed, 22 February 2012 08:34
		Re: Name of arrays By: Israel Rodriguez Herm on Thu, 23 February 2012 03:40
		Re: Name of arrays By: Brian Wolven on Wed, 22 February 2012 08:22
		Re: Name of arrays By: David Fanning on Wed, 22 February 2012 05:28
		Re: Name of arrays By: Israel Rodriguez Herm on Wed, 22 February 2012 02:04
		Re: Name of arrays By: penteado on Thu, 23 February 2012 07:08
		Re: Name of arrays By: Brian Wolven on Tue, 21 February 2012 14:53
		Re: Name of arrays By: David Fanning on Tue, 21 February 2012 14:44
		Re: Name of arrays By: Paul Van Delst[1] on Tue, 21 February 2012 14:35
		Re: Name of arrays By: David Fanning on Tue, 21 February 2012 14:33
		Re: Name of arrays By: penteado on Tue, 21 February 2012 14:27
		Re: Name of arrays By: David Fanning on Tue, 21 February 2012 14:21
		Re: Name of arrays By: penteado on Tue, 21 February 2012 14:02
		Re: Name of arrays By: Israel Rodriguez Herm on Thu, 23 February 2012 16:12
		Re: Name of arrays By: penteado on Tue, 21 February 2012 14:11
		Re: Name of arrays By: Paul Van Delst[1] on Tue, 21 February 2012 14:09
		Re: Name of arrays By: David Fanning on Tue, 21 February 2012 14:06
		Re: Name of arrays By: penteado on Tue, 21 February 2012 13:58
		Re: Name of arrays By: David Fanning on Tue, 21 February 2012 13:43
		Re: Name of arrays By: Israel Rodriguez Herm on Tue, 21 February 2012 12:36
		Re: Name of arrays By: Craig Markwardt on Tue, 21 February 2012 08:38
		Re: Name of arrays By: David Fanning on Tue, 21 February 2012 07:12
		Re: Name of arrays By: Craig Markwardt on Tue, 21 February 2012 06:49
		Re: Name of arrays By: Paul Van Delst[1] on Tue, 21 February 2012 06:50
		Re: Name of arrays By: Israel Rodriguez Herm on Tue, 21 February 2012 06:35
		Re: Name of arrays By: David Fanning on Tue, 21 February 2012 05:36
		Re: Name of arrays By: Israel Rodriguez Herm on Tue, 21 February 2012 04:45
		Re: Name of arrays By: Craig Markwardt on Mon, 20 February 2012 19:17
		Re: Name of arrays By: David Fanning on Thu, 23 February 2012 12:21
		Re: Name of arrays By: Israel Rodriguez Herm on Thu, 23 February 2012 12:17
		Re: Name of arrays By: David Fanning on Thu, 23 February 2012 11:16
		Re: Name of arrays By: Paul Van Delst[1] on Thu, 23 February 2012 10:32
		Re: Name of arrays By: Israel Rodriguez Herm on Thu, 23 February 2012 10:14
		Re: Name of arrays By: David Fanning on Thu, 23 February 2012 09:30
		Re: Name of arrays By: penteado on Thu, 23 February 2012 09:19
		Re: Name of arrays By: Israel Rodriguez Herm on Thu, 23 February 2012 09:08

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