comp.lang.idl-pvwave archive: archive » 2D analogue of the WHERE function?

Home » Public Forums » archive » 2D analogue of the WHERE function?

Show: Today's Messages :: Show Polls :: Message Navigator
E-mail to friend

Re: 2D analogue of the WHERE function? [message #66366 is a reply to message #66359]

Wed, 29 April 2009 16:03

Jeremy Bailin
Messages: 618
Registered: April 2008

Senior Member

On Apr 29, 2:17 pm, stefan5...@hotmail.com wrote:
> Dear all,
>
> Haven't found a thread mentioning this problem, which I can't
> understand as it seems like something someone would have mentioned
> before.
>
> Anyway, to get to the point: Is there an equivalent of the WHERE
> function that will scan a multidimensional array, and return a set of
> indices for the elements that match the criteria?
>
> I'm trying to pick out certain pixels of a FITS image, and the only
> way round the problem I can think of is to loop the WHERE function
> over one of the dimensions. Does a more elegant solution exist?
>
> Many thanks,
>
> Stefan

WHERE works perfectly well on multidimensional arrays.

-Jeremy.

Report message to a moderator

[Message index]

		2D analogue of the WHERE function? By: stefan5465 on Wed, 29 April 2009 10:52
		Re: 2D analogue of the WHERE function? By: Jeremy Bailin on Wed, 29 April 2009 16:03

Previous Topic:	Head Tracking with FreeTrack
Next Topic:	Re: How do i write an "application progress" widget ?

-=] Back to Top [=-

[ Syndicate this forum (XML) ] [

] [

]

Current Time: Sun Oct 26 02:37:33 PDT 2025

Total time taken to generate the page: 3.11990 seconds