comp.lang.idl-pvwave archive: archive » IDL 8.0: How to update IMAGE data?

Home » Public Forums » archive » IDL 8.0: How to update IMAGE data?

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

Re: IDL 8.0: How to update IMAGE data? [message #72004 is a reply to message #71912]

Fri, 30 July 2010 08:03

penteado
Messages: 866
Registered: February 2018

Senior Member
Administrator

On Jul 30, 5:06 am, David Grier <david.gr...@nyu.edu> wrote:
> Dear Folks,
>
> I'd like to update the data in an IDL 8.0 IMAGE graphic.
> What's the "right" way to do this?
>
> I've been doing things like
>
> a = dist(256)
> b = -a
> im = image(a)
> im = image(b,/OVERPLOT)
>
> which works, but just feels wrong to me.
>
> I was expecting to be able to do things like
>
> im = image(a)
> im.DATA = b
>
> and have the image update properly. But apparently
> I'm missing something, and this doesn't work.
>
> Any thoughts?
>
> TTFN,
>
> David

im.putdata,b

Report message to a moderator

[Message index]

		IDL 8.0: How to update IMAGE data? By: David Grier on Fri, 30 July 2010 01:06
		Re: IDL 8.0: How to update IMAGE data? By: Michael Galloy on Fri, 30 July 2010 10:36
		Re: IDL 8.0: How to update IMAGE data? By: David Grier on Fri, 30 July 2010 08:35
		Re: IDL 8.0: How to update IMAGE data? By: penteado on Fri, 30 July 2010 08:03

Previous Topic:	Don't Extrapolate with GRID3 (or cut off excess)
Next Topic:	Do we need PTR_FREE anymore?

-=] Back to Top [=-

[ Syndicate this forum (XML) ] [

] [

]

Current Time: Thu Dec 04 04:50:17 PST 2025

Total time taken to generate the page: 0.01334 seconds