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From: Carter John-jcarte01 <John.A.Carter@motorola.com>
To: tiff@olympiakos.com
Subject: newbie 
Date: Wed, 26 Feb 2003 17:50:49 -0000
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Hi
 
I'm new to the tiff format and I have
two questions and I'm sure both have been asked before.
1) I was sent a ( what seems to be know as a Wang tiff ) file.
    it seems to have tags ( i assume there's more than one ) that 
    aren't defined in the adobe spec 
      <http://partners.adobe.com/asn/developer/PDFS/TN/TIFF6.pdf> http://partners.adobe.com/asn/developer/PDFS/TN/TIFF6.pdf.
    tag 32934 is the one I've questions about. since the offset is 0
    I assume its referring to the first few bytes (~150 dec) at the start 
    of the file but what to do with them, since their not "core" tags I 
    assume they can be skipped but completeness would be nice.
 
2) I'm writing an ocr project as a hobby and would like to be able to
    source tiff images as well as the bmp format that the program can
    currently read/write to.
    so far I've managed to process the tags in the file (baring the one above) and
    stored there in a struct ( C language ) of long and long* more or less.
    but what's next, the link referenced above seems to explain what the tags
    contain rather that what to do with them.
    does any one know of a site that explains how to get the data stored in 
    the offsets into a matrix of size image_length * image_width.
 
thanks jc

____________________________ 

John Carter
BSS O&M Development group,
Motorola,
Mahon Industrial Estate,
Cork. 
Tel:         +353 21 4807 637 (direct)
Fax:         +353 21 4357635  ( reception )
Mobile:  +353 86 3947920
Email <mailto:john.a.carter@motorola.com>   www <http://www.cork.cig.mot.com/~jcarte01/> <?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" />

Homer: There's 3 ways to do things, the right way, the wrong  way, and the max power way.
Bart: isn't that  the wrong way.
Homer: yea but faster.

 

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<DIV><FONT face=Arial size=2><SPAN 
class=210571617-26022003>Hi</SPAN></FONT></DIV>
<DIV><FONT face=Arial size=2><SPAN 
class=210571617-26022003></SPAN></FONT>&nbsp;</DIV>
<DIV><FONT face=Arial size=2><SPAN class=210571617-26022003>I'm new to the tiff 
format and I have</SPAN></FONT></DIV>
<DIV><FONT face=Arial size=2><SPAN class=210571617-26022003>two&nbsp;questions 
and </SPAN></FONT><FONT face=Arial size=2><SPAN class=210571617-26022003>I'm 
sure both have been asked before.</SPAN></FONT></DIV>
<DIV><FONT face=Arial size=2><SPAN class=210571617-26022003>1)&nbsp;I was sent a 
(&nbsp;what seems to be know as a Wang tiff&nbsp;) file.</SPAN></FONT></DIV>
<DIV><FONT face=Arial size=2><SPAN 
class=210571617-26022003>&nbsp;&nbsp;&nbsp;&nbsp;it&nbsp;seems to&nbsp;have tags 
( i assume there's more than one&nbsp;)&nbsp;that </SPAN></FONT></DIV>
<DIV><FONT face=Arial size=2><SPAN class=210571617-26022003>&nbsp;&nbsp;&nbsp; 
aren't defined&nbsp;in the adobe spec&nbsp;</SPAN></FONT></DIV>
<DIV><FONT face=Arial size=2><SPAN 
class=210571617-26022003>&nbsp;&nbsp;&nbsp;&nbsp;<A 
href="http://partners.adobe.com/asn/developer/PDFS/TN/TIFF6.pdf"><FONT 
face="Times New Roman" 
size=3>http://partners.adobe.com/asn/developer/PDFS/TN/TIFF6.pdf</FONT></A><FONT 
face="Times New Roman" size=3>.</FONT></SPAN></FONT></DIV>
<DIV><FONT face=Arial size=2><SPAN class=210571617-26022003>&nbsp;&nbsp;&nbsp; 
<FONT face="Times New Roman" size=3>tag 32934 is the one I've questions about. 
since the offset is&nbsp;0</FONT></SPAN></FONT></DIV>
<DIV><FONT face=Arial size=2><SPAN 
class=210571617-26022003>&nbsp;&nbsp;&nbsp;&nbsp;<FONT face="Times New Roman" 
size=3>I assume its referring to the first few bytes&nbsp;(~150 dec) at the 
start </FONT></SPAN></FONT></DIV>
<DIV><FONT face=Arial size=2><SPAN class=210571617-26022003><FONT 
face="Times New Roman" size=3>&nbsp;&nbsp;&nbsp; of the file but what to do with 
them, since their not "core" tags I </FONT></SPAN></FONT></DIV>
<DIV><FONT face=Arial size=2><SPAN class=210571617-26022003><FONT 
face="Times New Roman" size=3>&nbsp;&nbsp;&nbsp; assume they can be skipped but 
completeness would be nice.</FONT></SPAN></FONT></DIV>
<DIV><FONT face="Times New Roman" size=3><SPAN 
class=210571617-26022003></SPAN></FONT>&nbsp;</DIV>
<DIV><FONT face=Arial size=2><SPAN class=210571617-26022003>2) I'm writing an 
ocr project as a hobby and would like to be able to</SPAN></FONT></DIV>
<DIV><FONT face=Arial size=2><SPAN class=210571617-26022003>&nbsp;&nbsp;&nbsp; 
source tiff images as well as the bmp format that the program 
can</SPAN></FONT></DIV>
<DIV><FONT face=Arial size=2><SPAN class=210571617-26022003>&nbsp;&nbsp;&nbsp; 
currently read/write to.</SPAN></FONT></DIV>
<DIV><FONT face=Arial size=2><SPAN class=210571617-26022003>&nbsp;&nbsp;&nbsp; 
so far I've managed to process the tags in the file (baring the one above) 
and</SPAN></FONT></DIV>
<DIV><FONT face=Arial size=2><SPAN class=210571617-26022003>&nbsp;&nbsp;&nbsp; 
stored there in a struct ( C language )&nbsp;of&nbsp;long and long* more or 
less.</SPAN></FONT></DIV>
<DIV><FONT face=Arial size=2><SPAN 
class=210571617-26022003>&nbsp;&nbsp;&nbsp;&nbsp;but what's next, the link 
referenced above seems to explain what the tags</SPAN></FONT></DIV>
<DIV><FONT face=Arial size=2><SPAN 
class=210571617-26022003>&nbsp;&nbsp;&nbsp;&nbsp;contain rather that what to do 
with them.</SPAN></FONT></DIV>
<DIV><FONT face=Arial size=2><SPAN 
class=210571617-26022003>&nbsp;&nbsp;&nbsp;&nbsp;does any one know of a site 
that explains how to get the data stored in&nbsp;</SPAN></FONT></DIV>
<DIV><FONT face=Arial size=2><SPAN 
class=210571617-26022003>&nbsp;&nbsp;&nbsp;&nbsp;the offsets into a matrix of 
size image_length * image_width.</SPAN></FONT></DIV>
<DIV><FONT face=Arial size=2><SPAN 
class=210571617-26022003></SPAN></FONT>&nbsp;</DIV>
<DIV><FONT face=Arial size=2><SPAN class=210571617-26022003>thanks 
jc</SPAN></FONT></DIV>
<DIV class=Section1>
<P class=MsoNormal><SPAN 
style="FONT-SIZE: 10pt; COLOR: gray">____________________________ </SPAN></P>
<P><SPAN style="FONT-SIZE: 10pt; COLOR: gray">John Carter<BR>BSS O&amp;M 
Development group,<BR>Motorola,<BR>Mahon Industrial Estate,<BR>Cork. 
<BR>Tel:<SPAN 
style="mso-tab-count: 1">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
</SPAN>+353 21 4807 <STRONG>637</STRONG> (direct)<BR>Fax:<SPAN 
style="mso-tab-count: 1">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
</SPAN>+353 21 4357635&nbsp; (&nbsp;reception )<BR>Mobile:<SPAN 
style="mso-tab-count: 1">&nbsp; </SPAN>+353 86 3947920<BR><A 
href="mailto:john.a.carter@motorola.com">Email</A></SPAN><SPAN 
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">&nbsp;</SPAN><A 
href="http://www.cork.cig.mot.com/~jcarte01/">www</A><SPAN 
style="FONT-SIZE: 8pt; mso-bidi-font-size: 12.0pt"><?xml:namespace prefix = o ns 
= "urn:schemas-microsoft-com:office:office" /><o:p></o:p></SPAN></P>
<P><SPAN style="FONT-SIZE: 8pt; COLOR: gray; mso-bidi-font-size: 10.0pt">Homer: 
There&#8217;s 3 ways to do things, the right way, the wrong <SPAN 
style="mso-spacerun: yes">&nbsp;</SPAN>way, and the max power way.<BR><I>Bart: 
isn&#8217;t that <SPAN style="mso-spacerun: yes">&nbsp;</SPAN>the wrong 
way.</I><BR>Homer: yea but faster.</SPAN><SPAN 
style="FONT-SIZE: 8pt; mso-bidi-font-size: 12.0pt"><o:p></o:p></SPAN></P></DIV>
<DIV>&nbsp;</DIV></BODY></HTML>

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