Weird Stretching on Mobi Files

AgentVerona · 01-11-2017, 03:36 PM

I recently updated to the new Kindle Fire HD 6 6th Gen. I have an assortment of mobi files (they were RTF's that were converted to mobi using Calibre) and I've noticed that when reading the books, some of the letters are bolded, or looks like it is slightly offset: http://imgur.com/SXEcnD4

What I've further discovered is the issue goes in a straight line down the page, like so: http://imgur.com/wHDlG4J

I get the same effect on the bottom sometimes: http://imgur.com/TNsKfNi

The only thing I can think of is that there's something off in the aspect ratio maybe when converting? I'm an extremely basic user so I wouldn't know the first thing about what settings to change when converting. It's all basically default, except I went to the Page Setup in Common Options to Output Profile - Kindle Fire, but nothing changed. I've put the same files on all the other Kindle Fire devices in the house, and they all look fine.

Things I have tried troubleshooting:
It is only mobi files.
All the books bought from the Kindle store display correctly.
If a letter is messed up, and I rotate the screen, the same letter won't be messed up, it'll be a different one. But if I rotate back, it's the same letter again.
I have tried every font/formatting combination (on my Kindle), and nothing seems to work.
I have also tried resetting and starting over again.
I re-converted the books (from the original RTF) to AZW3, and I found the same problem.

kovidgoyal · 01-11-2017, 10:47 PM

https://www.mobileread.com/forums/sho...d.php?t=186697

AgentVerona · 01-12-2017, 04:08 AM

I...don't see how any of that would be more helpful then what I've already said but okay...I can attach files at least.

The RTF is what I put in, the mobi is what I get out. It works fine on every previous version of the kindle I own, but not the new gen 6.

kovidgoyal · 01-12-2017, 05:34 AM

It's helpful because it allows us to eliminate any sources of problems in the files themselves.

kovidgoyal · 01-12-2017, 05:36 AM

For some reason that MOBI file seems to have

height="1em" width="0pt"

on every paragraph which is probably the cause.

kovidgoyal · 01-12-2017, 05:44 AM

No, that's not it. That leaves some kind of weird renderer bug on your Fire. It wont affect amazon books as they use a different renderer (most amazon books these days are in the KFX format)

01-11-2017, 03:36 PM	#1
AgentVerona Junior Member Posts: 2 Karma: 10 Join Date: Jan 2017 Device: Kindle Fire HD 6th Generation	Weird Stretching on Mobi Files I recently updated to the new Kindle Fire HD 6 6th Gen. I have an assortment of mobi files (they were RTF's that were converted to mobi using Calibre) and I've noticed that when reading the books, some of the letters are bolded, or looks like it is slightly offset: http://imgur.com/SXEcnD4 What I've further discovered is the issue goes in a straight line down the page, like so: http://imgur.com/wHDlG4J I get the same effect on the bottom sometimes: http://imgur.com/TNsKfNi The only thing I can think of is that there's something off in the aspect ratio maybe when converting? I'm an extremely basic user so I wouldn't know the first thing about what settings to change when converting. It's all basically default, except I went to the Page Setup in Common Options to Output Profile - Kindle Fire, but nothing changed. I've put the same files on all the other Kindle Fire devices in the house, and they all look fine. Things I have tried troubleshooting: It is only mobi files. All the books bought from the Kindle store display correctly. If a letter is messed up, and I rotate the screen, the same letter won't be messed up, it'll be a different one. But if I rotate back, it's the same letter again. I have tried every font/formatting combination (on my Kindle), and nothing seems to work. I have also tried resetting and starting over again. I re-converted the books (from the original RTF) to AZW3, and I found the same problem. Last edited by AgentVerona; 01-11-2017 at 03:53 PM.

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01-11-2017, 10:47 PM	#2
kovidgoyal creator of calibre Posts: 45,345 Karma: 27182818 Join Date: Oct 2006 Location: Mumbai, India Device: Various	https://www.mobileread.com/forums/sho...d.php?t=186697

01-12-2017, 05:34 AM	#4
kovidgoyal creator of calibre Posts: 45,345 Karma: 27182818 Join Date: Oct 2006 Location: Mumbai, India Device: Various	It's helpful because it allows us to eliminate any sources of problems in the files themselves.

01-12-2017, 05:36 AM	#5
kovidgoyal creator of calibre Posts: 45,345 Karma: 27182818 Join Date: Oct 2006 Location: Mumbai, India Device: Various	For some reason that MOBI file seems to have height="1em" width="0pt" on every paragraph which is probably the cause.

01-12-2017, 05:44 AM	#6
kovidgoyal creator of calibre Posts: 45,345 Karma: 27182818 Join Date: Oct 2006 Location: Mumbai, India Device: Various	No, that's not it. That leaves some kind of weird renderer bug on your Fire. It wont affect amazon books as they use a different renderer (most amazon books these days are in the KFX format)

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