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From: "Rick Cone,Secure Payment Systems" <rcone@securepaymentsystems.com>
To: <tiff@lists.maptools.org>
Date: Tue, 23 Sep 2008 17:34:04 -0600
Organization: Secure Payment Systems
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Subject: [Tiff] TIFF Image Quality Question
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We have an issue with some TIFF images that we can't display with a normal
Windows image viewer.
 
For some reason the image is malformed or unstructured. 
 
Tiffinfo returns values that appear normal however (tags, etc.).
 
Is there any way to know if an image is all right from a display standpoint
using some libtiff utility?
 
Also, is there some way to know if an image all white, or all black, using
some libtiff utility?
 
As you can see, we need to somehow be able to know something about the
"quality" of the image without actually having a human display the image and
see it.
 
Thanks,
 
Rick
 
 
 

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<DIV><FONT face=3DArial size=3D2><SPAN class=3D352182723-23092008>We =
have an issue=20
with some TIFF images that we can't display with a normal Windows image=20
viewer.</SPAN></FONT></DIV>
<DIV><FONT face=3DArial size=3D2><SPAN=20
class=3D352182723-23092008></SPAN></FONT>&nbsp;</DIV>
<DIV><FONT face=3DArial size=3D2><SPAN class=3D352182723-23092008>For =
some reason the=20
image is malformed or unstructured.&nbsp;</SPAN></FONT></DIV>
<DIV><FONT face=3DArial size=3D2><SPAN=20
class=3D352182723-23092008></SPAN></FONT>&nbsp;</DIV>
<DIV><FONT face=3DArial size=3D2><SPAN =
class=3D352182723-23092008>Tiffinfo returns=20
values that appear normal however (tags, etc.).</SPAN></FONT></DIV>
<DIV><FONT face=3DArial size=3D2><SPAN=20
class=3D352182723-23092008></SPAN></FONT>&nbsp;</DIV>
<DIV><FONT face=3DArial size=3D2><SPAN class=3D352182723-23092008>Is =
there any way to=20
know if an image is all right from a display standpoint using some =
libtiff=20
utility?</SPAN></FONT></DIV>
<DIV><FONT face=3DArial size=3D2><SPAN=20
class=3D352182723-23092008></SPAN></FONT>&nbsp;</DIV>
<DIV><FONT face=3DArial size=3D2><SPAN class=3D352182723-23092008>Also, =
is there some=20
way to know if an image&nbsp;all white, or all black, using some libtiff =

utility?</SPAN></FONT></DIV>
<DIV><FONT face=3DArial size=3D2><SPAN=20
class=3D352182723-23092008></SPAN></FONT>&nbsp;</DIV>
<DIV><FONT face=3DArial size=3D2><SPAN class=3D352182723-23092008>As you =
can see, we=20
need to somehow be able to know something about the "quality" of the =
image=20
without actually having a human display the image and see=20
it.</SPAN></FONT></DIV>
<DIV><FONT face=3DArial size=3D2><SPAN=20
class=3D352182723-23092008></SPAN></FONT>&nbsp;</DIV>
<DIV><FONT face=3DArial size=3D2><SPAN=20
class=3D352182723-23092008>Thanks,</SPAN></FONT></DIV>
<DIV><FONT face=3DArial size=3D2><SPAN=20
class=3D352182723-23092008></SPAN></FONT>&nbsp;</DIV>
<DIV><FONT face=3DArial size=3D2><SPAN=20
class=3D352182723-23092008>Rick</SPAN></FONT></DIV>
<DIV>&nbsp;</DIV>
<DIV align=3Dleft><FONT face=3DArial size=3D2></FONT>&nbsp;</DIV>
<DIV>&nbsp;</DIV></BODY></HTML>

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_______________________________________________
Tiff mailing list: Tiff@lists.maptools.org
http://lists.maptools.org/mailman/listinfo/tiff
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