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Old 02-19-2011, 11:33 AM   #1
foghat
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Kindle page numbers

Can anyone explain what the difference is with the new kindle page number plugin when one selects the 'use slower but more accurate page number descriptions' option?

ie, what does more accurate mean and what difference do I see?

Thanks.
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Old 02-19-2011, 12:09 PM   #2
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The non-technical answers: More accurate does a better job of keeping the distance between pages consistant with a paperback book.

The technical answer: The less accurate output pulls out the total uncompressed size of the HTML contained within the MOBI file. It then divides pages into blocks of 2300 bytes. This process is very fast because the uncompressed length is stored in the MOBI header and just needs to be read. The issue here is it counts non-visible markup and doesn't take into account short paragraphs. Every 2300 bytes is a page no mater how much if anything is visible. You can end up with pages that are longer or shorter than others.

The more accurate parser decompresses the entire MOBI documents HTML. It then parses the HTML and counts pages based on visible text. So pages end up being closer to a paperback book. The major issue with the more accurate parser is it has to decompress and parse. In certain types of MOBI books (PalmDoc compressed) this will about double the time transfer time. In other types (HUFF/CDIC compressed) it could take upwards of a few minutes per book.
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Old 02-19-2011, 01:02 PM   #3
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^ awesome. thanks for the great response. I've only tried two books so far, one of them quite large and the transfer time even with the accurate method selected is only a handful of seconds.

Most of my files will be amazon azw files that have had drm removed and converted to mobi in calibre.
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Old 02-19-2011, 11:47 PM   #4
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NEVER MIND. Couldn't find this feature, finally located it under plug-ins. I have not seen that it is now giving me page numbers for other documents other than Amazon however. I will check again--was under the impression that we would now have the option to put in "page numbers," if guesstimates, for all books?

Last edited by saxondawg; 02-20-2011 at 12:03 AM.
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Old 02-20-2011, 12:22 AM   #5
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No - the page number option only applies to MOBI format books being sent to the Kindle. It's in response to Amazon adding a page number feature to the latest firmware for the Kindle 3.
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Old 02-20-2011, 11:59 AM   #6
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^ I didn't stumble across this new page number feature until upgrading to 3.1. Curious, do the Calibre page numbers work on older firmware>
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Old 02-20-2011, 12:01 PM   #7
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Quote:
Originally Posted by foghat View Post
^ I didn't stumble across this new page number feature until upgrading to 3.1. Curious, do the Calibre page numbers work on older firmware>
No they are a feature of the 3.1 firmware. At this time 3.1 is a preview release.
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