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Re: populating an array [message #48164 is a reply to message #48163]

Thu, 30 March 2006 11:15

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

subir.vasanth@gmail.com writes:

> I was wondering if there was a more efficient way to populate an array
> created using the MAKE_ARRAY function. This is how I am populating the
> array right now -
>
> data = BYTARR(202000L)
> ; populate byte array with valid data from some input source
> array = MAKE_ARRAY(1000,101, Type = 2)
> offset = 0L
> FOR k = 0L, 100999L DO BEGIN
> array(k) = FIX(data, offset)
> offset = offset + 2
> ENDFOR
>
> Is there a way I can populate 'array' without using a loop to populate
> each element, and instead do a array = FIX(data)??

Say what!?

What do you think this code does, exactly? It looks to me
like it creates a 1000 by 101 array filled with integer
zeros. It would be easier to do this:

array = IntArr(1000, 101)

But this seems so obvious, that I think I am missing
the intent of the question. Could you please elaborate
some more?

Cheers,

David
--
David Fanning, Ph.D.
Fanning Software Consulting, Inc.
Coyote's Guide to IDL Programming: http://www.dfanning.com/

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[Message index]

		Re: populating an array By: codepod on Thu, 30 March 2006 12:47
		Re: populating an array By: David Fanning on Thu, 30 March 2006 11:15
		Re: populating an array By: subir.vasanth on Thu, 06 April 2006 13:43

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