Pages appear twice when PRS-505 is reading searchable PDFs. Is there a solution?

Kast · 03-09-2011, 01:18 AM

In searchable PDFs each page appears twice, I assume it's the fonts first and the image later. What I want to do is stop the image from being displayed and just have the fonts (obviously because you can control the size of the fonts and you can't control the image). Can I edit the PDFs somehow to make that happen?

Images that show the problem (these are three consecutive page turns, as you can see at the bottom of the second image the page starts all over again):

PS. The reason I need searchable PDFs is because I convert unsearchable PDFs to searchable PDF/A using ABBYY PDF transformer which currently is the best solution for greek fonts I've found so far.

PS #2 The problem is only recreated when I choose Medium or Large Fonts on PRS-505

Jim Lester · 03-17-2011, 11:39 AM

You've created an 'image + hidden text' PDF file. So in a single page you have the image graphic on the top with the roughly placed OCR'd text behind the graphic. I agree that for OCR'd content this is a convenient format, however for reading on an RMSDK reader this will cause exactly the problems you described, since when going into 'reflow' mode (which is what increasing the font size on a Sony Reader will do), the layout in the PDF file is ignored and the text from the file along with any graphics will be rendered - giving you your double.

The only obvious work around is to strip the graphics from your PDF file (assuming you want to do a reflow - because you are changing the font size).

03-09-2011, 01:18 AM	#1
Kast Member Posts: 10 Karma: 6604 Join Date: Sep 2009 Device: PRS-505	Pages appear twice when PRS-505 is reading searchable PDFs. Is there a solution? In searchable PDFs each page appears twice, I assume it's the fonts first and the image later. What I want to do is stop the image from being displayed and just have the fonts (obviously because you can control the size of the fonts and you can't control the image). Can I edit the PDFs somehow to make that happen? Images that show the problem (these are three consecutive page turns, as you can see at the bottom of the second image the page starts all over again): PS. The reason I need searchable PDFs is because I convert unsearchable PDFs to searchable PDF/A using ABBYY PDF transformer which currently is the best solution for greek fonts I've found so far. PS #2 The problem is only recreated when I choose Medium or Large Fonts on PRS-505 Last edited by Kast; 03-09-2011 at 01:53 AM.

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03-17-2011, 11:39 AM	#2
Jim Lester Evangelist Posts: 416 Karma: 14682 Join Date: May 2008 Location: SF Bay Area Device: Nook HD, Nook for Windows 8	You've created an 'image + hidden text' PDF file. So in a single page you have the image graphic on the top with the roughly placed OCR'd text behind the graphic. I agree that for OCR'd content this is a convenient format, however for reading on an RMSDK reader this will cause exactly the problems you described, since when going into 'reflow' mode (which is what increasing the font size on a Sony Reader will do), the layout in the PDF file is ignored and the text from the file along with any graphics will be rendered - giving you your double. The only obvious work around is to strip the graphics from your PDF file (assuming you want to do a reflow - because you are changing the font size).

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