Mobipocket reader big BUG

naisren · 08-01-2009, 10:12 PM

Anyone experienced the locating backward randomly bug using mobipocket?
PPC and PC mobipockets have this issue.

You can try as the following and watch the page numbers:
turn page back (using button or tap the blank space along sides)
keep doing so and watch the article change and page number change

In my case, I can not expect to go as I do with other ebook readers.
Article Chapter font, position become crazy! Sometimes returns suddenly to the first page from middle part.

It is a shame. I tried to highlight and note in reading and I could not normally check these when turning back.

Nate the great · 08-01-2009, 10:18 PM

Quote:

Originally Posted by naisren

Anyone experienced the locating backward randomly bug using mobipocket?
PPC and PC mobipockets have this issue.

You can try as the following and watch the page numbers:
turn page back (using button or tap the blank space along sides)
keep doing so and watch the article change and page number change

In my case, I can not expect to go as I do with other ebook readers.
Article Chapter font, position become crazy! Sometimes returns suddenly to the first page from middle part.

It is a shame. I tried to highlight and note in reading and I could not normally check these when turning back.

I've seen it. It's an annoying but common behavior for Mobipocket.

JSWolf · 08-03-2009, 04:40 AM

Quote:

Originally Posted by naisren

Anyone experienced the locating backward randomly bug using mobipocket?
PPC and PC mobipockets have this issue.

You can try as the following and watch the page numbers:
turn page back (using button or tap the blank space along sides)
keep doing so and watch the article change and page number change

In my case, I can not expect to go as I do with other ebook readers.
Article Chapter font, position become crazy! Sometimes returns suddenly to the first page from middle part.

It is a shame. I tried to highlight and note in reading and I could not normally check these when turning back.

This is a long standing never-to-be-fixed bug in Mobipocket.

DaleDe · 08-03-2009, 12:23 PM

Page numbers are not a feature of the format, they are artificially generated in Mobipocket to simulate the book experience but they have always done a poor job. Reading forward it is easy to increment a number which makes it seem to work. Doing a previous page seems to work for a few pages since the reader stores the page position for a few pages when it went forward so it is really like a back function.

Jumping to arbitrary locations is only a approximation based on the file size. This is why you don't get accurate page numbers. It jumps a percentage of the file since this is the only data that it has. Not only does the page number vary but the top of page starts at a different point as well.

This is how it has always been for years and years, although originally it didn't even have the back function.

Dale

08-01-2009, 10:12 PM	#1
naisren Enthusiast Posts: 41 Karma: 12 Join Date: Jul 2009 Device: ppc	Mobipocket reader big BUG Anyone experienced the locating backward randomly bug using mobipocket? PPC and PC mobipockets have this issue. You can try as the following and watch the page numbers: turn page back (using button or tap the blank space along sides) keep doing so and watch the article change and page number change In my case, I can not expect to go as I do with other ebook readers. Article Chapter font, position become crazy! Sometimes returns suddenly to the first page from middle part. It is a shame. I tried to highlight and note in reading and I could not normally check these when turning back.

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08-03-2009, 12:23 PM	#4
DaleDe Grand Sorcerer Posts: 11,470 Karma: 13095790 Join Date: Aug 2007 Location: Grass Valley, CA Device: EB 1150, EZ Reader, Literati, iPad 2 & Air 2, iPhone 7	Page numbers are not a feature of the format, they are artificially generated in Mobipocket to simulate the book experience but they have always done a poor job. Reading forward it is easy to increment a number which makes it seem to work. Doing a previous page seems to work for a few pages since the reader stores the page position for a few pages when it went forward so it is really like a back function. Jumping to arbitrary locations is only a approximation based on the file size. This is why you don't get accurate page numbers. It jumps a percentage of the file since this is the only data that it has. Not only does the page number vary but the top of page starts at a different point as well. This is how it has always been for years and years, although originally it didn't even have the back function. Dale

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