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Re: 16 bit Tiff image [message #58939 is a reply to message #58938]

Wed, 27 February 2008 13:01

Jean H.
Messages: 472
Registered: July 2006

Senior Member

Stefano Scardigli wrote:
> nothing is changed
>
> IDL> img=read_tiff("V13A5.00.tif",/unsigned)
> IDL> help,img
> IMG LONG = Array[1000, 1000]
> IDL> print,max(img)
> 65535
> IDL> write_tiff,"prova.tiff",img,/SHORT
> IDL> print,max(img)
> 255
> IDL> help,img
> IMG BYTE = Array[1000, 1000]

img is a long and you try to save it as an integer... have you tried

write_tiff,"prova.tiff",fix(img),/SHORT
or
write_tiff,"prova.tiff",img,/LONG
?

Jean

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[Message index]

		Re: 16 bit Tiff image By: Andrew Cool on Thu, 28 February 2008 00:09
		Re: 16 bit Tiff image By: Stefano Scardigli on Wed, 27 February 2008 23:01
		Re: 16 bit Tiff image By: Stefano Scardigli on Wed, 27 February 2008 22:52
		Re: 16 bit Tiff image By: Jean H. on Wed, 27 February 2008 15:45
		Re: 16 bit Tiff image By: David Fanning on Wed, 27 February 2008 15:12
		Re: 16 bit Tiff image By: Stefano Scardigli on Wed, 27 February 2008 15:03
		Re: 16 bit Tiff image By: David Fanning on Wed, 27 February 2008 13:26
		Re: 16 bit Tiff image By: Jean H. on Wed, 27 February 2008 13:01
		Re: 16 bit Tiff image By: Stefano Scardigli on Wed, 27 February 2008 12:32
		Re: 16 bit Tiff image By: David Fanning on Wed, 27 February 2008 11:12
		Re: 16 bit Tiff image By: Stefano Scardigli on Thu, 28 February 2008 23:34

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