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From: "Kacem Bekri" <kbekri@edengames.com>
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Date: Mon, 13 Nov 2006 11:04:28 +0100
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Subject: [Tiff] Cannot read 96 bpp tiff image
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Hello, I have a little problem with libtiff, and I hope anyone can help me.

 

I am using Mental Ray plugin in Maya software which give me only images in
tiff format.

Images are 32 bits per sample (RGB - 96 bpp)

When I am using LibTiff to load may image, it writes:

 

Lightmap_HDR_top.tif: Sorry, can not handle images with 32-bit samples.

 

I am using Libtiff v3.8.2 in win32 dll mode. (In visual C++ 2005)

It works well for standard tiff files.

 

I think that libtiff know how to load 96 bits tiff because, FreeImage
project is using libtiff and can handle 96-bit images since v3.7.2.

http://freeimage.sourceforge.net/changeslog.html

 

Thanks for your help.

 


 


Kacem Bekri


 


 


 

 


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<p class=3DMsoNormal><font size=3D2 face=3DArial><span lang=3DEN-GB =
style=3D'font-size:
10.0pt;font-family:Arial'>Hello, I have a little problem with libtiff, =
and I
hope anyone can help me.<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span lang=3DEN-GB =
style=3D'font-size:
10.0pt;font-family:Arial'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span lang=3DEN-GB =
style=3D'font-size:
10.0pt;font-family:Arial'>I am using Mental Ray plugin in Maya software =
which
give me only images in tiff format.<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span lang=3DEN-GB =
style=3D'font-size:
10.0pt;font-family:Arial'>Images are 32 bits per sample (RGB - 96 =
bpp)<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span lang=3DEN-GB =
style=3D'font-size:
10.0pt;font-family:Arial'>When I am using LibTiff to load may image, it =
writes:<o:p></o:p></span></font></p>

<p class=3DMsoNormal =
style=3D'mso-margin-top-alt:0cm;margin-right:.9pt;margin-bottom:
0cm;margin-left:13.85pt;margin-bottom:.0001pt;text-autospace:none'><font
size=3D2 face=3DArial><span lang=3DEN-GB =
style=3D'font-size:10.0pt;font-family:Arial'><o:p>&nbsp;</o:p></span></fo=
nt></p>

<p class=3DMsoNormal =
style=3D'mso-margin-top-alt:0cm;margin-right:.9pt;margin-bottom:
0cm;margin-left:13.85pt;margin-bottom:.0001pt;text-autospace:none'><i><fo=
nt
size=3D2 color=3Dnavy face=3D"Microsoft Sans Serif"><span lang=3DEN-GB
style=3D'font-size:10.0pt;font-family:"Microsoft Sans Serif";color:navy;
font-style:italic'>Lightmap_HDR_top.tif: Sorry, can not handle images =
with
32-bit samples.<o:p></o:p></span></font></i></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span lang=3DEN-GB =
style=3D'font-size:
10.0pt;font-family:Arial'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span lang=3DEN-GB =
style=3D'font-size:
10.0pt;font-family:Arial'>I am using Libtiff v3.8.2 in win32 dll mode. =
(In
visual C++ 2005)<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span lang=3DEN-GB =
style=3D'font-size:
10.0pt;font-family:Arial'>It works well for standard tiff =
files.<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span lang=3DEN-GB =
style=3D'font-size:
10.0pt;font-family:Arial'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span lang=3DEN-GB =
style=3D'font-size:
10.0pt;font-family:Arial'>I think that libtiff know how to load 96 bits =
tiff
because, FreeImage project is using libtiff and can handle 96-bit images =
since v3.7.2.<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span lang=3DEN-GB =
style=3D'font-size:
10.0pt;font-family:Arial'><a
href=3D"http://freeimage.sourceforge.net/changeslog.html">http://freeimag=
e.sourceforge.net/changeslog.html</a><o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span lang=3DEN-GB =
style=3D'font-size:
10.0pt;font-family:Arial'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span lang=3DEN-GB =
style=3D'font-size:
10.0pt;font-family:Arial'>Thanks for your =
help.<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span lang=3DEN-GB =
style=3D'font-size:
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