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Re: REGION_GROW Syntax [message #78087 is a reply to message #78069]

Mon, 24 October 2011 05:20

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

Steffen Reich writes:

> I have got a question about the region_grow Syntax. The region_grow
> function support the possibility to choose a channel if you want to grow
> a region of RGB image. Unfortunately the API doesn`t describe how to
> choose the channel, only that it is possible. Therefore could somebody
> write a example how to choose/select a channel with that function.

Where do you read that REGION_GROW supports a channel? I
don't find it anywhere.

But, if it did support a channel, I suppose you would
have to pull the channel out of the RGB image and
grow it individually.

red = rbg[0,*,*]
grow = REGION_GROW(red, ...)

Cheers,

David

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

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[Message index]

		Re: REGION_GROW Syntax By: Steffen Reich on Tue, 25 October 2011 04:13
		Re: REGION_GROW Syntax By: David Fanning on Mon, 24 October 2011 05:20

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