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Re: creating dynamic array [message #64537]

Tue, 06 January 2009 14:55

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

nakisa writes:

> I have a file of data of
> x,y,L .
>
> I need to compare of L with a fix value and plot (x,y) with less " L "
> with one color and the other (x,y ) with other color.
>
> The problem is I need to compare L ,then store the x and y s in new
> variable , for example new_1 and new2 ,then plot them.
>
> Fro this plot, I think the only way is to store data in array. but I
> need dynamic array and I don't know how can I create dynamic array ?

I'm guessing the WHERE function might be your friend.

IDL> ? where

Cheers,

David

--
David Fanning, Ph.D.
Fanning Software Consulting, Inc.
Coyote's Guide to IDL Programming: http://www.dfanning.com/
Sepore ma de ni thui. ("Perhaps thou speakest truth.")

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		Re: creating dynamic array By: David Fanning on Tue, 06 January 2009 14:55
		Re: creating dynamic array By: Juggernaut on Wed, 07 January 2009 05:22

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