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Re: 16 bit Tiff image [message #58927 is a reply to message #58926]

Wed, 27 February 2008 22:52

Stefano Scardigli
Messages: 7
Registered: February 2008

Junior Member

On Wed, 27 Feb 2008 16:45:54 -0700, Jean H wrote:

>>> 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

I haven't SWAP_ENDIAN_INPLACE in my IDL 5.1 !!!

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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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