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Old 01-18-2020, 01:51 PM   #1
jlemonde
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Best pdf format for output from Latex (A6, B6, A5 ?) for the Kobo Clara HD ?

Hello !

I am wanting to re-read some of my academic reports that I wrote in Latex, on the Kobo. The output format of those latex reports is pdf and this being not easy to change, I'll most probably have to conform to using pdfs.

Originally, I am used to A4 paper, but due to the tiny screen of the Kobo and the poor zooming abilities, I am wanting to recompile my latex files to smaller pdfs. But I am unsure about the best formats (I have tried a dozen of choices, but perhaps one of you knows a better solution than mine !)

What is your favourite paper size ? B6 seems to be the more similar to the actual size of the e-reader, but I feel like there could be more on one page than that. I have also tried to just use the official dimensions of the screen (159,6 x 110 mm) but the biggest issue in that case is that all the figures are moved to the very end of the document, and furthermore, some lines are too long and don't seem to want to be cut. I also tried to reduce the size of the text to 8pt but this does not help for the very bad placement of figures... A5 with reduced margins works better, but still not optimal.

Hopefully some of you found some optimal solutions. What I haven't tried was to use an intermediary size as for instance a multiple of the size of the Kobo.

Thanks for your consideration !!
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Old 01-18-2020, 02:26 PM   #2
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pdf on the tiny Clara screen? I wouldn't.... I would very much prefer to read on my tablet or laptop.

Or buy ABBYY Finereader and convert to epub. (That's what I do with pdf.)

(BTW, google gives several hits on "latex epub" but I guess you know about the options.)

If you really must, you may want to install Koreader and use for pdf.
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Old 01-18-2020, 02:50 PM   #3
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Not sure if this is going be be any help to you but at one point in time, I seem to remember one latex guru using width=\textwidth or \linewidth (or something close to that) to scale images when supporting multiple page sizes. It's been a few years so that may not be close to correct.

Edit: I did a quick Google search and came up with the following page: Perfectly scale an image to the rest of a page with LaTeX which sounds as if it may work for you even if nearly a decade old.

Last edited by DNSB; 01-18-2020 at 02:51 PM. Reason: Added search result
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Old 01-18-2020, 03:37 PM   #4
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I converted my Scooter manual to MOBI it reads fine on the clara. PDF was crappy.
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Old 01-18-2020, 03:37 PM   #5
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Import them to something that understands them, maybe LibreOffice Writer or some other program. Export in XML, HTML, RTF, ODT, MS-DOC or DOCX.
If not in Docx, import to Word or LibreOffice Writer (if some other format was possible), then save as in DOCX and use Calibre to convert to an ebook, ideally ePub2.

PDFs are for preview and interchange to print on paper. Ghastly for reading on eReaders even if page size is small. A5 PDFs do work on a Kobo Libra. Can be too slow and hard to read on original Kobo H2O.
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Old 01-19-2020, 10:36 AM   #6
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Quote:
Originally Posted by jlemonde View Post
Hello !

I am wanting to re-read some of my academic reports that I wrote in Latex, on the Kobo. The output format of those latex reports is pdf and this being not easy to change, I'll most probably have to conform to using pdfs.

Originally, I am used to A4 paper, but due to the tiny screen of the Kobo and the poor zooming abilities, I am wanting to recompile my latex files to smaller pdfs. But I am unsure about the best formats (I have tried a dozen of choices, but perhaps one of you knows a better solution than mine !)

What is your favourite paper size ? B6 seems to be the more similar to the actual size of the e-reader, but I feel like there could be more on one page than that. I have also tried to just use the official dimensions of the screen (159,6 x 110 mm) but the biggest issue in that case is that all the figures are moved to the very end of the document, and furthermore, some lines are too long and don't seem to want to be cut. I also tried to reduce the size of the text to 8pt but this does not help for the very bad placement of figures... A5 with reduced margins works better, but still not optimal.

Hopefully some of you found some optimal solutions. What I haven't tried was to use an intermediary size as for instance a multiple of the size of the Kobo.

Thanks for your consideration !!
A 6" device is really small for pdf with figures (the main issue are figures, because the normal text should be easily adapted, having a latex file). You can only try and see, for example try A5 with large margins and install KOReader that is better for pdf.

If there are formulas You could also convert Your latex files in Epub3 using mathml and then in Kepub. I used it for curiosity, without knowing anything of Mathml but taking examples from internet and the result is not bad (install a math font as STIX Two Math). But again I don't know if and how will be rendered figures.

Last edited by ps67; 01-19-2020 at 10:45 AM.
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Old 01-19-2020, 12:51 PM   #7
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latex doesn't necessarily produce small paper output gracefully. well, it depends what's in it really, but too often you do things in latex that don't scale down well. after all normally you decide very early on a paper size and then stick with it, so anything that wouldn't work for other paper sizes you don't even notice.

you might consider giving k2pdfopt (and other optimize-pdf-for-ereader softwares) a whirl after all.

I also converted latex to html before (manually, script it yourself), works best if the latex document is consistently formatted so you only have to deal with very few special cases.
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