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Re: Help on EDGE_DOG [message #70868]

Fri, 14 May 2010 09:47

bala murugan
Messages: 23
Registered: April 2010

Junior Member

On May 14, 10:20 am, Chris W <cwood1...@gmail.com> wrote:
> On May 14, 10:59 am, bala murugan <bala2...@gmail.com> wrote:
>
>
>
>
>
>> On May 13, 1:58 pm, wlandsman <wlands...@gmail.com> wrote:
>
>>> On May 13, 2:52 pm, bala murugan <bala2...@gmail.com> wrote:
>
>>>> Hey guys!
>
>>>> Can anybody explain me the EDGE_DOG function and its arguments?
>
>>>> Thanks in advance :)
>
>>> Did you look at the HELP file?
>
>>> http://idlastro.gsfc.nasa.gov/idl_html_help/EDGE_DOG.html
>
>>> --Wayne
>
>> Yes, I did but could not understand a few things back then. But thanks
>> anyways....
>
>> Does anybody have a IDL routine that is used to segment an image by
>> region grow method?
>
> how about region_grow()?http://idlastro.gsfc.nasa.gov/idl_html_help/RE GION_GROW.html

Thanks.... I have a few question in that IDL routine

I dont understand the following two lines. Can you please explain why
we are using this?

x = FINDGEN(16*16) MOD 16 + 276.
y = LINDGEN(16*16) / 16 + 254.

I undertand that we are creating a floating point array and long
integer array. But why are we doing so?

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[Message index]

		Re: Help on EDGE_DOG By: bala murugan on Fri, 14 May 2010 09:47
		Re: Help on EDGE_DOG By: Chris W on Fri, 14 May 2010 09:20
		Re: Help on EDGE_DOG By: bala murugan on Fri, 14 May 2010 08:59
		Re: Help on EDGE_DOG By: wlandsman on Thu, 13 May 2010 12:58

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