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Date: Mon, 23 Jan 2006 11:01:42 -0800
Subject: Re: [Tiff] LibTIff and Photoshop TIFF support (Multipage TIffs)
From: Chris Cox <ccox@adobe.com>
To: Jeet Shroff <jkshroff@gmail.com>, TIFF <tiff@lists.maptools.org>
Message-ID: <BFFA6816.26D5F%ccox@adobe.com>
Thread-Topic: [Tiff] LibTIff and Photoshop TIFF support (Multipage TIffs)
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You can=B9t get access to the layer data through LibTIFF.

No, there is no way.

Chris



On 1/23/06 8:39 AM, "Jeet Shroff" <jkshroff@gmail.com> wrote:

> Hey Thanks Bob and Chris,
> I am aware of the Photoshop layer data but I need to get access to that w=
ithin
> the TIFF file through LibTiff.
> I was wondering how to do that, since LibTIff doesn't recognize the Tag t=
hat
> specifies this data.
> Is there any way, or has someone done this already?
> Thanks
>=20
>=20
> =20
> On 1/22/06, Bob Friesenhahn <bfriesen@simple.dallas.tx.us> wrote:
>> On Sun, 22 Jan 2006, Jeet Shroff wrote:
>>> >
>>> > Also -- where can I generate or gain access to multi-page tiffs? I do=
n't
>>> > know any program that can generate Tiffs like that for me. I've tried
>>> > Photoshop and GIMP. Does anyone have regular non-layered multi-page T=
IFFs
>>> > that have 2 or more images stored in them and so we can use the
>>> SetDirectory=20
>>> > and ReadDirectory functions in LibTiff to gain access to the differen=
t
>>> image
>>> > data for those images?
>>=20
>> ImageMagick and GraphicsMagick support reading and writing multi-page
>> TIFFs.
>>=20
>> Bob
>> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
>> Bob Friesenhahn
>> bfriesen@simple.dallas.tx.us, http://www.simplesystems.org/users/bfriese=
n/
>> GraphicsMagick Maintainer,    http://www.GraphicsMagick.org/
>>=20
>=20
>=20
> _______________________________________________
> Tiff mailing list: Tiff@lists.maptools.org
> http://lists.maptools.org/mailman/listinfo/tiff
> http://www.remotesensing.org/libtiff/



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<HTML>
<HEAD>
<TITLE>Re: [Tiff] LibTIff and Photoshop TIFF support (Multipage TIffs)</TIT=
LE>
</HEAD>
<BODY>
<FONT FACE=3D"Verdana, Helvetica, Arial"><SPAN STYLE=3D'font-size:12.0px'>You c=
an&#8217;t get access to the layer data through LibTIFF.<BR>
<BR>
No, there is no way.<BR>
<BR>
Chris<BR>
<BR>
<BR>
<BR>
On 1/23/06 8:39 AM, &quot;Jeet Shroff&quot; &lt;jkshroff@gmail.com&gt; wrot=
e:<BR>
<BR>
</SPAN></FONT><BLOCKQUOTE><FONT FACE=3D"Verdana, Helvetica, Arial"><SPAN STYL=
E=3D'font-size:12.0px'>Hey Thanks Bob and Chris,<BR>
I am aware of the Photoshop layer data but I need to get access to that wit=
hin the TIFF file through LibTiff. <BR>
I was wondering how to do that, since LibTIff doesn't recognize the Tag tha=
t specifies this data. <BR>
Is there any way, or has someone done this already?<BR>
Thanks<BR>
<BR>
<BR>
&nbsp;<BR>
On 1/22/06, <B>Bob Friesenhahn</B> &lt;bfriesen@simple.dallas.tx.us&gt; wro=
te: <BR>
</SPAN></FONT><BLOCKQUOTE><FONT FACE=3D"Verdana, Helvetica, Arial"><SPAN STYL=
E=3D'font-size:12.0px'>On Sun, 22 Jan 2006, Jeet Shroff wrote:<BR>
&gt;<BR>
&gt; Also -- where can I generate or gain access to multi-page tiffs? I don=
't <BR>
&gt; know any program that can generate Tiffs like that for me. I've tried<=
BR>
&gt; Photoshop and GIMP. Does anyone have regular non-layered multi-page TI=
FFs<BR>
&gt; that have 2 or more images stored in them and so we can use the SetDir=
ectory <BR>
&gt; and ReadDirectory functions in LibTiff to gain access to the different=
 image<BR>
&gt; data for those images?<BR>
<BR>
ImageMagick and GraphicsMagick support reading and writing multi-page<BR>
TIFFs.<BR>
<BR>
Bob<BR>
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D <BR>
Bob Friesenhahn<BR>
bfriesen@simple.dallas.tx.us, <a href=3D"http://www.simplesystems.org/users/b=
friesen/">http://www.simplesystems.org/users/bfriesen/</a><BR>
GraphicsMagick Maintainer, &nbsp;&nbsp;&nbsp;<a href=3D"http://www.GraphicsMa=
gick.org/">http://www.GraphicsMagick.org/</a><BR>
<BR>
</SPAN></FONT></BLOCKQUOTE><FONT FACE=3D"Verdana, Helvetica, Arial"><SPAN STY=
LE=3D'font-size:12.0px'><BR>
<HR ALIGN=3DCENTER SIZE=3D"3" WIDTH=3D"95%"></SPAN></FONT><FONT SIZE=3D"2"><FONT FA=
CE=3D"Monaco, Courier New"><SPAN STYLE=3D'font-size:10.0px'>____________________=
___________________________<BR>
Tiff mailing list: Tiff@lists.maptools.org<BR>
<a href=3D"http://lists.maptools.org/mailman/listinfo/tiff">http://lists.mapt=
ools.org/mailman/listinfo/tiff</a><BR>
<a href=3D"http://www.remotesensing.org/libtiff/">http://www.remotesensing.or=
g/libtiff/</a><BR>
</SPAN></FONT></FONT></BLOCKQUOTE><FONT SIZE=3D"2"><FONT FACE=3D"Monaco, Courie=
r New"><SPAN STYLE=3D'font-size:10.0px'><BR>
</SPAN></FONT></FONT>
</BODY>
</HTML>


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