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Re: IDL 8.0: How to update IMAGE data? [message #71999 is a reply to message #71912]

Fri, 30 July 2010 08:35

David Grier
Messages: 35
Registered: July 2010

Member

On 7/30/10 11:03 AM, Paulo Penteado wrote:
> 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

Wow. Thanks. That was simple. Is the PUTDATA method documented?
It doesn't show up in idlhelp's search, and is not discussed in
the documentation for IMAGE.

This makes me wonder what else I'm missing.

Many thanks,

David

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[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

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