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PDF417 Macro File Id
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Colin Savage  
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 More options Feb 8 2008, 6:40 am
From: Colin Savage <colin.sav...@gmail.com>
Date: Fri, 8 Feb 2008 03:40:01 -0800 (PST)
Local: Fri, Feb 8 2008 6:40 am
Subject: PDF417 Macro File Id
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Hi

I'm hoping someone can help me with interpretation of the File Id part
of the macro control block in PDF417 barcodes. I don't have a copy of
the PDF417 spec, but I have one for MicroPDF417 which is supposed to
use the same macro construct (called "Structured Append").

From the spec:
"The two mandatory fields are encoded as follows: the segment index is
encoded in Numeric Compaction
mode and the file ID field is encoded as a sequence of base 900
numbers."

Does that mean the the file ID is always numeric? e.g. a file ID of
12345678 would be encoded as 015 217 378 ?

Thanks
Colin


 
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