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https://issues.apache.org/jira/browse/PDFBOX-4101?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16354601#comment-16354601
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Alexandre commented on PDFBOX-4101:
-----------------------------------
It does recognize columns but I don't have a clue which algorithm is behind..
whitespace detection ? Still it does recognize the columns *below* "scolaire
ferry" and "réouverture du musée".
In the attachment hardtests-11.png you can see the lines, one color per
distinct line.
> Word ordering / line detection failures in text extraction
> ----------------------------------------------------------
>
> Key: PDFBOX-4101
> URL: https://issues.apache.org/jira/browse/PDFBOX-4101
> Project: PDFBox
> Issue Type: Bug
> Components: Text extraction
> Affects Versions: 2.0.8
> Reporter: Alexandre
> Priority: Major
> Attachments: fails_line_detection-sort.txt,
> fails_line_detection-unsort.txt, fails_line_detection.pdf, hardtests-11.png
>
>
> Dear Apache contributors,
> I am a (y) user of pdfbox mainly for the purpose of text extraction. The word
> ordering is not correct for some cases and the line detection may fail too.
> Attachments:
> * 1st page: the first letter D is not written before "uis sit amet..." but
> at the end of the page ;
> * 2nd page: the sentence "scolaire ferry" is just before "réouverture du
> musée" which is wrong because it's not on the same column ;
> To manage these cases would be more than welcome :D A.
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