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Re: Arrays of Structures [message #52449 is a reply to message #20472]

Thu, 08 February 2007 11:44

news.qwest.net
Messages: 137
Registered: September 2005

Senior Member

"Mick Brooks" <mick.brooks@gmail.com> wrote in message
news:1170962868.330264.257780@q2g2000cwa.googlegroups.com...
> On Feb 8, 7:09 pm, "R.G. Stockwell" <n...@email.please> wrote:
>
>>> ... but this is where you lose me. Doesn't the the first line that you
>>> showed say that structs.a is an array of 50 ints?
>>
>> Not exactly. The key point is that structs.a is an EXPRESSION.
>> Also, "struct" is an array of structures.
>
> Yes, this struck me as I drove home from work. I don't have IDL here,
> but will be trying
> IDL>print, INDGEN(50)[23]

syntax error

> All that's left is to explain why we get the extra leading dimension
> when subscripting an expression-which-evaluates-to-an-array-of-ints
> thing (i.e. structs.a) with multiple indices (or [*]).

ah yes, the extra leading dimension. That is because IDL hates you (lol).

Cheers,
bob

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[Message index]

		Arrays of Structures By: Ben Tupper on Wed, 21 June 2000 00:00
		Re: Arrays of Structures By: news.qwest.net on Thu, 08 February 2007 12:52
		Re: Arrays of Structures By: JD Smith on Thu, 08 February 2007 12:42
		Re: Arrays of Structures By: Paul Van Delst[1] on Fri, 09 February 2007 08:01
		Re: Arrays of Structures By: Mick Brooks on Fri, 09 February 2007 02:13
		Re: Arrays of Structures By: Michael Galloy on Thu, 08 February 2007 12:21
		Re: Arrays of Structures By: news.qwest.net on Thu, 08 February 2007 11:44
		Re: Arrays of Structures By: Paul Van Delst[1] on Thu, 08 February 2007 11:32
		Re: Arrays of Structures By: Mick Brooks on Thu, 08 February 2007 11:27
		Re: Arrays of Structures By: Brian Larsen on Thu, 08 February 2007 11:11
		Re: Arrays of Structures By: news.qwest.net on Thu, 08 February 2007 11:09
		Re: Arrays of Structures By: Paul Van Delst[1] on Thu, 08 February 2007 11:02
		Re: Arrays of Structures By: Brian Larsen on Thu, 08 February 2007 10:59
		Re: Arrays of Structures By: Mick Brooks on Thu, 08 February 2007 10:04
		Re: Arrays of Structures By: Brian Larsen on Thu, 08 February 2007 09:41
		Re: Arrays of Structures By: JD Smith on Fri, 09 February 2007 12:51

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