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Re: to convert 3d array to 2d array [message #91430 is a reply to message #91429]

Tue, 14 July 2015 07:08

Michael Galloy
Messages: 1114
Registered: April 2006

Senior Member

On 7/14/15 4:35 AM, SP wrote:
> I have an image array of 835*827 pixels The total size is image array
> [ 835, 827, 3] I want to apply gradient function in this image, so
> idl is asking to give a 2d image array as input. Can anyone tell me
> on How to convert this 3d image array to a 2d array... Thanks....
>

If your gradient function wants a 2D array, then you will have to do the
bands of your image separately, i.e.:

im[*, *, 0] = your_gradient_function(reform(im[*, *, 0]))
im[*, *, 1] = your_gradient_function(reform(im[*, *, 1]))
im[*, *, 2] = your_gradient_function(reform(im[*, *, 2]))

Mike
--
Michael Galloy
www.michaelgalloy.com
Modern IDL: A Guide to IDL Programming (http://modernidl.idldev.com)

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[Message index]

		to convert 3d array to 2d array By: Shaktivel Pillai on Tue, 14 July 2015 03:35
		Re: to convert 3d array to 2d array By: Michael Galloy on Tue, 14 July 2015 07:08
		Re: to convert 3d array to 2d array By: Shaktivel Pillai on Wed, 15 July 2015 04:17

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