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Re: write_tiff integer format [message #62423]

Wed, 10 September 2008 22:13

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

Geo logo writes:

> I am a newcomer of IDL, when I try use write_tiff to write a integer
> type tiff, the result always wrong.
>
> input = intarr(1000,1000)
> write_tiff, 'outimag.tif' , input
>
> the result would be a byte type tiff file, and when I use
>
> write_tiff, 'outimag.tif' , input,/short, result will be unsigned
> int
>
> write_tiff, 'outimag.tif' , input,/long, result will be long integer.
>
> could somebody help me about how to output a integer type tiff file.

The more relevant question might be, given that life totally
sucks, how does one convert back and forth between signed
and unsigned integers?

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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		Re: write_tiff integer format By: David Fanning on Wed, 10 September 2008 22:13
		Re: write_tiff integer format By: Spon on Thu, 11 September 2008 04:36

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