convert PDF input issue

Cid · 01-08-2011, 09:03 AM

Hi there, first off sorry if this was discussed but I was unable as the searches I did returned too many results.

I couldn't find the solution in the calibre manual either.

I have a PDF that is justified text, and in some lines the spacing between the words of a full line seems to be so big that the PDF input module interprets them as "end of line". This of course results in each word becoming its own line.

Example:
PDF:
This _ would _ be _ the _ justified _ line.

Output:
This
would
be
the
justified
line.

I've tried several different in- and output settings as well as different output formats, to no avail. Same problem in output epub, rtf or txt, which is why I suspect the PDF input to be the problem. I also changed the unwrap factor, both in PDF input and structure detection with results show them at work, but not helping this issue.

Anyone can enlighten me?

kovidgoyal · 01-08-2011, 09:06 AM

PDF input tries to detect line endings based on spacing between characters. There's no way around that because of the nature of PDF. It will fail for some PDF files and succeed for others. I'd suggest you try a copy paste from your pdf or use acrobat professional to convert it to html. Either of those tools may use different parameters when interpreting the spaces and so might succeed.

Cid · 01-08-2011, 09:30 AM

Ah thank you, I was afraid so. Anyway, thank you for the help! Calibre is still awesome!

01-08-2011, 09:03 AM	#1
Cid Enthusiast Posts: 33 Karma: 10 Join Date: Jul 2010 Device: Sony PRS-600	convert PDF input issue Hi there, first off sorry if this was discussed but I was unable as the searches I did returned too many results. I couldn't find the solution in the calibre manual either. I have a PDF that is justified text, and in some lines the spacing between the words of a full line seems to be so big that the PDF input module interprets them as "end of line". This of course results in each word becoming its own line. Example: PDF: This _ would _ be _ the _ justified _ line. Output: This would be the justified line. I've tried several different in- and output settings as well as different output formats, to no avail. Same problem in output epub, rtf or txt, which is why I suspect the PDF input to be the problem. I also changed the unwrap factor, both in PDF input and structure detection with results show them at work, but not helping this issue. Anyone can enlighten me? Last edited by Cid; 01-08-2011 at 09:28 AM.

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01-08-2011, 09:06 AM	#2
kovidgoyal creator of calibre Posts: 45,209 Karma: 27110894 Join Date: Oct 2006 Location: Mumbai, India Device: Various	PDF input tries to detect line endings based on spacing between characters. There's no way around that because of the nature of PDF. It will fail for some PDF files and succeed for others. I'd suggest you try a copy paste from your pdf or use acrobat professional to convert it to html. Either of those tools may use different parameters when interpreting the spaces and so might succeed.

01-08-2011, 09:30 AM	#3
Cid Enthusiast Posts: 33 Karma: 10 Join Date: Jul 2010 Device: Sony PRS-600	Ah thank you, I was afraid so. Anyway, thank you for the help! Calibre is still awesome!

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