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Date: Tue, 26 Feb 2008 18:52:22 -0800 (PST)
From: langenet <Robert@lange.ca>
To: tiff@lists.maptools.org
Subject: Re: [Tiff] Photometric Interpretation Tag and Tiffcp
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Status:   


This is great to know. While I have downloaded/installed libtiff
(tiff-3.8.2.zip) on my UNIX server, I do not have tiffcrop installed as one
of the utilities.How can I configure/install this. Configure/make didn't
create this. I'm no developer, so need a bit of help if possible in getting
this set-up.

Thanks 

Robert


Richard Nolde wrote:
> 
> 
>> Date: Mon, 25 Feb 2008 21:26:51 -0500
>> From: Robert Lange <Robert@lange.ca>
>> Subject: [Tiff] tiffcp and photometric interpretation
>> To: tiff@lists.maptools.org
>> Message-ID: <47C378EB.5030803@lange.ca>
>> Content-Type: text/plain; charset=ISO-8859-1
>>
>> Hello.. looking for a patch (I understand) for tiffcp 3.8.2 to invert 
>> min-is-white to min-is-black. Is this available
> Two possibilities come to mind depending upon your needs. 
> If all you want is to correct an improperly set tag, why not use tiffset.
> If you need to rewrite the data to pacify lame TIFF readers, use 
> tiffcrop with the -I flag. The support is limited to grayscale and 
> bilevel images and it does not take into account any tags that might 
> imply other than linear scaling of pixel values, eg 0 becomes 255 and 
> 255 becomes 0 for 8 bit grayscale.
> 
> Richard Nolde, tiffcrop author
> 
> _______________________________________________
> Tiff mailing list: Tiff@lists.maptools.org
> http://lists.maptools.org/mailman/listinfo/tiff
> http://www.remotesensing.org/libtiff/
> 
> 

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