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Re: 16 bit Tiff image [message #58931 is a reply to message #58927]

Wed, 27 February 2008 15:45

Jean H.
Messages: 472
Registered: July 2006

Senior Member

>> IDL> img=read_tiff("V13A5.00.tif",/unsigned)

>> and now both img and img2 are LONG, but the reloaded img2 is still shrunk
>> to 255 levels (ie 8 bit)!
>
> I still don't think so. Are you being *very*
> careful with your variables? You might try using
> a .reset after you write the file and before you
> read it again. I think it is not possible to get
> what you are getting. :-)
>
> Cheers,
>
> David

Could it be a litle/big endian problem?
after reading img, try to do:
SWAP_ENDIAN_INPLACE, img
and see if it helps (or if it brings you wayyyyy off)
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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