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Re: Get Latitude and Longitude from Tiff files [message #54770 is a reply to message #54546]

Tue, 03 July 2007 20:18

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

Lucia includes the following FOR loops in the example code:

> for i=1,s[0]-1 do begin
> lon[i]=xorigin+xscale*i
> endfor
>
> for i=1,s[1]-1 do begin
> lat[i]=yorigin-yscale*i
> endfor

Yikes! Here are a couple of cases where you almost
get vectorization for free. Help stamp out FORTRAN
coding in IDL!!!

lon = xorigin + xscale * Indgen(s[1])
lat = yorigin - yscale * Indgen(s[0])

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]

		Get Latitude and Longitude from Tiff files By: Lucia on Tue, 26 June 2007 18:52
		Re: Get Latitude and Longitude from Tiff files By: titan on Thu, 05 July 2007 00:26
		Re: Get Latitude and Longitude from Tiff files By: Lucia on Tue, 03 July 2007 23:24
		Re: Get Latitude and Longitude from Tiff files By: David Fanning on Tue, 03 July 2007 20:18
		Re: Get Latitude and Longitude from Tiff files By: Lucia on Tue, 03 July 2007 20:08
		Re: Get Latitude and Longitude from Tiff files By: KRDean on Tue, 03 July 2007 13:17

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