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Re: HASH question [message #75362 is a reply to message #75361]

Mon, 07 March 2011 03:37

Jeremy Bailin
Messages: 618
Registered: April 2008

Senior Member

On Saturday, March 5, 2011 8:41:53 AM UTC-5, Gray wrote:
> Hi all,
>
> I have a bunch of information which I'd like to store in an organized
> fashion:
> ~IDs of some stars
> ~Stellar types
> ~Magnitudes and fluxes in different images
>
> One way I could store the information would be as an array of
> structures, with each element being a single star, but I don't a
> priori know how many stars I have, and to find a particular star I'd
> have to search on the ID element. So, I could use a HASH of
> structures so I could index by ID, which would be ideal, but then
> assigning values to the individual tags of the structures is much more
> complicated. I could instead have a bunch of hashes, one for each type
> of information, but that would get pretty unwieldy.
>
> So, IDL gurus, anyone have a suggestion for how to organize this most
> efficiently and elegantly? Thanks!
>
> --Gray

I haven't used hashes in idl, but I think that a hash of structures makes the most sense. What makes that too complicated?

-Jeremy.

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[Message index]

		Re: HASH question By: Michael Galloy on Mon, 07 March 2011 09:43
		Re: HASH question By: Jeremy Bailin on Mon, 07 March 2011 07:57
		Re: HASH question By: Paul Van Delst[1] on Mon, 07 March 2011 07:34
		Re: HASH question By: Jeremy Bailin on Mon, 07 March 2011 03:37
		Re: HASH question By: Paul Van Delst[1] on Mon, 07 March 2011 09:55

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