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https://issues.apache.org/jira/browse/PDFBOX-800?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12903439#action_12903439
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Jukka Zitting commented on PDFBOX-800:
--------------------------------------
Hmm, actually PDFBox already does properly extract the "Hallo das ist ein
anderes vertikales TEXTFELD" and "Hallo das ist ein horizontales TEXTFELD"
sentences from the example document.
Handling the vertical "Hallo" text boxes where the characters are horizontally
oriented is probably impossible unless there's some external hint that the text
should be treated like vertical writing in Chinese or Japanese.
> Wrong text extract from vertical textboxes in pdf files
> -------------------------------------------------------
>
> Key: PDFBOX-800
> URL: https://issues.apache.org/jira/browse/PDFBOX-800
> Project: PDFBox
> Issue Type: Bug
> Components: Parsing
> Environment: Win 7, VS 2010 C#
> Reporter: Sandor Dj
> Attachments: problemdoc.doc, problemdoc.pdf
>
>
> I was told to move this issue to the pdfbox parser, so I hope this is the
> right section.
> Vertical textboxes in pdf files are not extracted correctly (using the tika
> library in C#).
> For example if there is a vertical textbox "hello" in a pdf file (!WITHOUT!
> line breaks):
> H
> E
> L
> L
> O
> the parser returns 5 strings, each with a single letter, even there is NO
> line break after every letter.
> Is there a option to avoid this problem?
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