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Re: IDL's built-in function DILATE and ERODE doesn't work as described in help [message #50716 is a reply to message #50714]

Wed, 11 October 2006 19:40

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

Gongqin Shen writes:

> For example, if you have the data as a = [0, 1, 1, 0] and kernel as k
> = [1, 1], according to the help provided by IDL, the result of running
> the code:
> result = DILATE(a, k)
> will be [0, 1, 1, 0], however, IDL's output is [1, 1, 1, 0].
> ERODE performs in a similar way. Does that mean the help is actually
> broken?

I think it means DILATE and ERODE are broken, but you
are sure to hear from Karsten Rodenacker about this. He
has been sending pleas to the folks at ITTVIS for years,
all without effect. Maybe the two of you could gang up
on them. :-)

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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[Message index]

		Re: IDL's built-in function DILATE and ERODE doesn't work as described in help By: Jean H. on Fri, 13 October 2006 09:37
		Re: IDL's built-in function DILATE and ERODE doesn't work as described in help By: Karsten Rodenacker on Fri, 13 October 2006 08:05
		Re: IDL's built-in function DILATE and ERODE doesn't work as described in help By: Haje Korth on Fri, 13 October 2006 04:53
		Re: IDL's built-in function DILATE and ERODE doesn't work as described in help By: Jo Klein on Fri, 13 October 2006 01:46
		Re: IDL's built-in function DILATE and ERODE doesn't work as described in help By: btt on Thu, 12 October 2006 11:41
		Re: IDL's built-in function DILATE and ERODE doesn't work as described in help By: Karsten Rodenacker on Thu, 12 October 2006 10:22
		Re: IDL's built-in function DILATE and ERODE doesn't work as described in help By: Karsten Rodenacker on Thu, 12 October 2006 10:06
		Re: IDL's built-in function DILATE and ERODE doesn't work as described in help By: gqshen2008@gmail.com on Thu, 12 October 2006 08:32
		Re: IDL's built-in function DILATE and ERODE doesn't work as described in help By: Karl Schultz on Thu, 12 October 2006 07:56
		Re: IDL's built-in function DILATE and ERODE doesn't work as described in help By: Jo Klein on Thu, 12 October 2006 06:27
		Re: IDL's built-in function DILATE and ERODE doesn't work as described in help By: Haje Korth on Thu, 12 October 2006 05:22
		Re: IDL's built-in function DILATE and ERODE doesn't work as described in help By: Karsten Rodenacker on Thu, 12 October 2006 00:41
		Re: IDL's built-in function DILATE and ERODE doesn't work as described in help By: David Fanning on Wed, 11 October 2006 19:40
		Re: IDL's built-in function DILATE and ERODE doesn't work as described in help By: gqshen2008@gmail.com on Mon, 16 October 2006 13:21

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