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Old 04-16-2008, 06:19 PM   #30
rlauzon
Wizard
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Device: PocketBook Era
Quote:
Originally Posted by ProfJulie View Post
Is this a deficiency with Palm, with the Palm software or with the PDF format?
The PDF format. Since no other format has these problems.

Quote:
Originally Posted by ProfJulie View Post
I have not compared a book in a Mobipocket format to the same book in a PDF format, so I can't speak to this comment, but I will look at it and see for myself if this is true.
Now that I am home, I can do some tests. Here's the file sizes:
  • Original OpenOffice.org file: 245,881 bytes (text only, no graphics)
  • HTML version: 657,778 bytes (which I find to be very interesting that it's larger - but it's an OpenOffice.org export which didn't use a style sheet).
  • Mobipocket version: 343,620 bytes
  • Non-tagged PDF: 1,859,068 bytes
  • Tagged PDF: 2,456,199

So starting with the original file:
  • The HTML is 2.6 times the size.
  • The Mobipocket version is 1.3 times.
  • The PDF is 7.5 times.
  • The tagged PDF is 9.99 times.

Quote:
Originally Posted by ProfJulie View Post
I don't think the PDF format is any more locked down than any other format.
Try to convert PDF to something else and you'll see how locked down it is.

Quote:
Originally Posted by ProfJulie View Post
It may be bloated, but file size does not concern me that much, there are always storage cards that I can use to store my files, so I don't feel such a big need to conserve space.
It's not a space issue. It's a speed issue. It's simply going to take an eBook reader 4 times longer to load a tagged PDF than a Mobipocket file. Based on my experiments, it takes far longer to turn the page in a PDF than an HTML/Mobipocket eBook (at least on my Cybook and iLiad).
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