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registering images, shift(/nowrap) [message #32777]

Mon, 11 November 2002 05:51

ronn
Messages: 123
Registered: April 1999

Senior Member

Hello All,

I was wondering if anyone has a routine out there that allows you to shift
an array without wrapping? The shift routine works great but anything that
gets pushed off on one edge gets wrapped around to the other. I just want to
throw this wrapped part away. A simple 1D example is

in = [1,2,3,4,5]
print, shift(in,2)
IDL> 4,5,1,2,3

what I want is

print, shiftNoWrap(in,2)
IDL> 0,0,1,2,3

Of couse, it really needs to work on a 2D image....

Thanks,
Ronn

--
Ronn Kling
KRS, inc.
email: ronn@rlkling.com
"Application Development with IDL"ï¿½ programming book updated for IDL5.5!
"Calling C from IDL, Using DLM's to extend your IDL code"!
"Power Graphics with IDL, A Beginner's Guide to Object Graphics", NEW BOOK!
http://www.rlkling.com/

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[Message index]

		registering images, shift(/nowrap) By: ronn on Mon, 11 November 2002 05:51
		Re: registering images, shift(/nowrap) By: Martin Downing on Thu, 14 November 2002 15:02

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