Register Guidelines E-Books Search Today's Posts Mark Forums Read

Go Back   MobileRead Forums > E-Book Software > Calibre

Notices

Reply
 
Thread Tools Search this Thread
Old 09-21-2010, 03:04 AM   #1
lutwey
Member
lutwey began at the beginning.
 
Posts: 13
Karma: 10
Join Date: Sep 2010
Device: kindle 3
calibre(kindle 3) pdf to mobi problem.

when i try to convert pdf mobi the resulting file is almost unreadable.

basically every sentence is split on the middle. the first part that sits on top would go on til the middle then there be a huge blank space . the second part of the sentence would start as if its another paragraph. totally weird.

the structure looks something like this

xxxxxx xxxxx xxxxxxx xxxxxxxx xxxxxxxxxxxxx xxxxxxx xxxxxxxxxxxx
xxxxxx xxxxx

xxxxxxxx xxxxxx xxxxxxx xxxxxxxxx xxxxxxxxxxxxxxxxx xxxxxxxxxxxxx.

the entire book looks like that.
lutwey is offline   Reply With Quote
Old 09-21-2010, 03:42 AM   #2
Chilean
Junior Member
Chilean began at the beginning.
 
Posts: 3
Karma: 10
Join Date: Sep 2010
Device: Kindle 3
I am having the same problem... any solutions?
Chilean is offline   Reply With Quote
 
Advertisement
Old 09-21-2010, 05:02 AM   #3
DannyBookworm
Junior Member
DannyBookworm began at the beginning.
 
Posts: 2
Karma: 10
Join Date: Sep 2010
Device: Kindle3, iPad
Absoutely the same problem here and it happens with all the pdf's I try to convert to .mobi.


Hope someone has an idea how to solve that problem.
DannyBookworm is offline   Reply With Quote
Old 09-21-2010, 05:18 AM   #4
itimpi
Wizard
itimpi ought to be getting tired of karma fortunes by now.itimpi ought to be getting tired of karma fortunes by now.itimpi ought to be getting tired of karma fortunes by now.itimpi ought to be getting tired of karma fortunes by now.itimpi ought to be getting tired of karma fortunes by now.itimpi ought to be getting tired of karma fortunes by now.itimpi ought to be getting tired of karma fortunes by now.itimpi ought to be getting tired of karma fortunes by now.itimpi ought to be getting tired of karma fortunes by now.itimpi ought to be getting tired of karma fortunes by now.itimpi ought to be getting tired of karma fortunes by now.
 
Posts: 4,093
Karma: 780247
Join Date: Nov 2008
Device: Sony PRS-950, iphone/ipad (Marvin/iBooks/QuickReader)
Have you tried playing with the line-wrap facility in the PDF conversion options.

The real solution is to avoid using PDF as the source format if at all possible.
itimpi is online now   Reply With Quote
Old 09-21-2010, 05:21 AM   #5
DannyBookworm
Junior Member
DannyBookworm began at the beginning.
 
Posts: 2
Karma: 10
Join Date: Sep 2010
Device: Kindle3, iPad
Well, using other formats as input is not a real solution...

But I will try the line-wrap facility, maybe it helps, thanks for the idea!
DannyBookworm is offline   Reply With Quote
Old 09-21-2010, 06:52 AM   #6
itimpi
Wizard
itimpi ought to be getting tired of karma fortunes by now.itimpi ought to be getting tired of karma fortunes by now.itimpi ought to be getting tired of karma fortunes by now.itimpi ought to be getting tired of karma fortunes by now.itimpi ought to be getting tired of karma fortunes by now.itimpi ought to be getting tired of karma fortunes by now.itimpi ought to be getting tired of karma fortunes by now.itimpi ought to be getting tired of karma fortunes by now.itimpi ought to be getting tired of karma fortunes by now.itimpi ought to be getting tired of karma fortunes by now.itimpi ought to be getting tired of karma fortunes by now.
 
Posts: 4,093
Karma: 780247
Join Date: Nov 2008
Device: Sony PRS-950, iphone/ipad (Marvin/iBooks/QuickReader)
There is also the option under Preferences->Conversion->Common Options to Pre-Process the file. Not sure if that helps with PDF files or not
itimpi is online now   Reply With Quote
Old 09-21-2010, 07:22 AM   #7
ldolse
Wizard
ldolse is an accomplished Snipe hunter.ldolse is an accomplished Snipe hunter.ldolse is an accomplished Snipe hunter.ldolse is an accomplished Snipe hunter.ldolse is an accomplished Snipe hunter.ldolse is an accomplished Snipe hunter.ldolse is an accomplished Snipe hunter.ldolse is an accomplished Snipe hunter.ldolse is an accomplished Snipe hunter.ldolse is an accomplished Snipe hunter.ldolse is an accomplished Snipe hunter.
 
Posts: 1,337
Karma: 123455
Join Date: Apr 2009
Location: Malaysia
Device: PRS-650, iPhone
Preprocess does very little for pdf aside from some more aggressive chapter detection patterns.

I haven't seen this sort of problem with any pdfs, aside from multi-column pdfs, which aren't supported at this time. The line wrapping is set under the pdf input options, current default is .45, you can set this lower to make the unwrapping more aggressive.

You could also open a bug with the pdf's, but depending on the cause it may not be addressed until the new pdf engine is ready. In any event it could be useful to open bugs so that the pdfs are used as test cases against the new engine.
ldolse is offline   Reply With Quote
Old 09-21-2010, 08:34 AM   #8
DoctorOhh
US Navy, Retired
DoctorOhh ought to be getting tired of karma fortunes by now.DoctorOhh ought to be getting tired of karma fortunes by now.DoctorOhh ought to be getting tired of karma fortunes by now.DoctorOhh ought to be getting tired of karma fortunes by now.DoctorOhh ought to be getting tired of karma fortunes by now.DoctorOhh ought to be getting tired of karma fortunes by now.DoctorOhh ought to be getting tired of karma fortunes by now.DoctorOhh ought to be getting tired of karma fortunes by now.DoctorOhh ought to be getting tired of karma fortunes by now.DoctorOhh ought to be getting tired of karma fortunes by now.DoctorOhh ought to be getting tired of karma fortunes by now.
 
DoctorOhh's Avatar
 
Posts: 8,884
Karma: 12755553
Join Date: Feb 2009
Location: North Carolina
Device: Nexus 7
Quote:
Originally Posted by lutwey View Post
basically every sentence is split on the middle. the first part that sits on top would go on til the middle then there be a huge blank space . the second part of the sentence would start as if its another paragraph. totally weird.
It's not that weird, this happens often when you have a garbage source PDF that you are trying to convert to a reflowable format.

Quote:
Originally Posted by DannyBookworm View Post
Well, using other formats as input is not a real solution...

But I will try the line-wrap facility, maybe it helps, thanks for the idea!
There are many PDF files out there that are pure evil garbage, created from ugly source files. Personally I avoid PDFs unless I'm going to read them as PDFs.

PDF is not a friendly format to convert because for the most part they are designed to fit a fixed size screen. When you try to convert it to a reflowable format bad things happen.

Other options:

1. Mobipocket Creator, (free) import the PDF and it will make a HTML file version available. Add the html to calibre and try converting again. Sometimes the html from this source works better sometimes it doesn't.
2. Adobe Acrobat, export as html or RTF and add that format to calibre and try again.
3. Buy (or pirate) your books in another format and convert that format to Mobi. Often you can go back to the store and download a different format of a book you already purchased from them.
4. If these were created by you then go to the original source and save/export in any format that is not PDF and convert that document.
5. Read PDF files in their native format and don't try to convert them.

Good Luck

Last edited by DoctorOhh; 09-21-2010 at 08:36 AM.
DoctorOhh is offline   Reply With Quote
Old 09-21-2010, 01:30 PM   #9
Chilean
Junior Member
Chilean began at the beginning.
 
Posts: 3
Karma: 10
Join Date: Sep 2010
Device: Kindle 3
Thanks, dwanthny.. and others for your suggestions. I will go back and try to export my file as html or rtf and try the conversion again.
Chilean is offline   Reply With Quote
Old 09-21-2010, 06:29 PM   #10
lutwey
Member
lutwey began at the beginning.
 
Posts: 13
Karma: 10
Join Date: Sep 2010
Device: kindle 3
im using a mac so mobi creator is a no go for me. how was ur experience w/ it chilean?
lutwey is offline   Reply With Quote
Old 09-22-2010, 05:49 PM   #11
lutwey
Member
lutwey began at the beginning.
 
Posts: 13
Karma: 10
Join Date: Sep 2010
Device: kindle 3
any updates?
lutwey is offline   Reply With Quote
Old 09-22-2010, 07:36 PM   #12
Blahah
Junior Member
Blahah began at the beginning.
 
Posts: 1
Karma: 10
Join Date: Sep 2010
Device: Kindle 3, iPhone 3Gs, MBP
I've found that the best way to convert PDFs is to open them in your favourite PDF viewer, export the PDF to HTML, then import the HTML to Calibre and convert that to mobi.

Adobe acrobat is best as you can use preflight filters to trim off the page numbers and other stuff which ruins the mobi conversion, as wellas deleting all the pointless pages (publisher info etc). I'll post a detailed tutorial for getting high quality book conversions tomorrow.

Last edited by Blahah; 09-22-2010 at 07:38 PM.
Blahah is offline   Reply With Quote
Old 09-22-2010, 11:51 PM   #13
lutwey
Member
lutwey began at the beginning.
 
Posts: 13
Karma: 10
Join Date: Sep 2010
Device: kindle 3
thanks blahah. ill wait for it.
lutwey is offline   Reply With Quote
Old 09-23-2010, 01:53 AM   #14
Chilean
Junior Member
Chilean began at the beginning.
 
Posts: 3
Karma: 10
Join Date: Sep 2010
Device: Kindle 3
Quote:
Originally Posted by lutwey View Post
any updates?
Sorry Lutwey, I haven't had the chance to play with it much the last couple days.

Quote:
Originally Posted by Blahah View Post
I've found that the best way to convert PDFs is to open them in your favourite PDF viewer, export the PDF to HTML, then import the HTML to Calibre and convert that to mobi.

Adobe acrobat is best as you can use preflight filters to trim off the page numbers and other stuff which ruins the mobi conversion, as wellas deleting all the pointless pages (publisher info etc). I'll post a detailed tutorial for getting high quality book conversions tomorrow.
OOOOh now I will wait for this tutorial. Thanks Blahah!
Chilean is offline   Reply With Quote
Old 09-23-2010, 02:56 AM   #15
cybmole
Wizard
cybmole ought to be getting tired of karma fortunes by now.cybmole ought to be getting tired of karma fortunes by now.cybmole ought to be getting tired of karma fortunes by now.cybmole ought to be getting tired of karma fortunes by now.cybmole ought to be getting tired of karma fortunes by now.cybmole ought to be getting tired of karma fortunes by now.cybmole ought to be getting tired of karma fortunes by now.cybmole ought to be getting tired of karma fortunes by now.cybmole ought to be getting tired of karma fortunes by now.cybmole ought to be getting tired of karma fortunes by now.cybmole ought to be getting tired of karma fortunes by now.
 
Posts: 2,959
Karma: 1280000
Join Date: Sep 2010
Device: Kobo aura HD, Kobo Arc, Kindle Fire HDX 8.9 , Kindle for PC
email the pdf file to your kindle email with "convert" in the subject field.

Amazon do a reasonable job of fixing line wraps & its a free service on wi-fi option
cybmole is offline   Reply With Quote
Reply

Thread Tools Search this Thread
Search this Thread:

Advanced Search

Forum Jump

Similar Threads
Thread Thread Starter Forum Replies Last Post
PDF-to-mobi conversion problem ruffunatio Calibre 3 09-26-2010 04:01 PM
Problems with PDF to Mobi conversion in Calibre (for my Kindle 3) star Calibre 1 09-13-2010 02:01 PM
Epub/Mobi TO pdf conversion problem Hitch Calibre 4 06-15-2010 06:28 PM
Pdf to Mobi/Epub Format Problem. dubmehard Calibre 4 02-19-2010 02:53 PM
PDF to Mobi conversion problem DavidJD Calibre 6 10-04-2009 12:27 PM


All times are GMT -4. The time now is 07:30 PM.


MobileRead.com is a privately owned, operated and funded community.