01-10-2011, 11:48 PM | #346 |
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I'm very frustrated here. I don't know what the file formats are or what they are for. I've read all the documentation that came with the software. I've also read the first page or so of this thread.
Here is the problem, I have a fully searchable PDF. Everything time i convert my PDF to mobi, i get static text which I cannot select or search. This is not what i expected. Is this the only way that this software converts? Is there other software that will allow me to maintain a fully searchable file? I want to be able to highlight text and add notes just as i would a regular Kindle or Sony file. Many of my PDFs do contain Greek and Hebrew characters. This one only contains a few Greek words. Thanks! |
01-11-2011, 12:30 AM | #347 | |||||
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However, when you need to convert "image" based .pdf's (like Google Books scans) then your only hope is an OCR program or PDFRead. (I'm biased) Quote:
Last edited by nrapallo; 02-06-2011 at 11:25 AM. |
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01-11-2011, 12:43 AM | #348 |
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Are all Google Books scanned? I just saw a video on Mobipocket Creator and it destroys all the table formatting--unless that was an older version.
How much hope is there for me using Calibre? I'm starting to feel i've wasted several days of my time researching eBooks now. I was told that I could easily convert any book into a Kindle Format. I understood at in PDF format i could not search or highlight text, but based on waht i was told i thought that I was getting a fully functional Kindle file just like regular ebooks with the right conversion tool. How good is OCR software now? Years ago at least, it was pretty good with a lot of errors. I really don't think of a file with 20% errors as being good. that's a lot of work. Thanks! (If this can't be resolved, I may be sticking with paper.) |
01-11-2011, 12:46 AM | #349 |
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Your program by the way is really nice. I'm not knocking it. Especially for something that is free. It allows the user to view everything he wants with the same appearance it has in the original book. It is just that this isn't what i'm looking for.
I'm trying to find a way to better store and reference my notes. I can just keep my physical copies if this is my only option. |
01-26-2011, 03:14 PM | #350 | |
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could you please publish up to date sources which include this change? I would need the sources in order to disable histogram checking in SAVE. Thanks! |
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01-28-2011, 01:00 AM | #351 | ||
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Last edited by nrapallo; 01-28-2011 at 01:03 AM. |
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02-06-2011, 11:14 AM | #352 | ||||
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Most of them.
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I've played a bit with PDF conversion. PDFs created from clean source text, in single column layouts with in line graphics convert fairly well. Beyond that, things get ugly fast. In general, I get PDF and attempt conversion only if there is no other option. Quote:
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______ Dennis |
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03-02-2011, 05:50 AM | #353 |
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Shadowing Behind Print
First, thanks to all involved in this terrific program, just what I have been looking for to read my large collection of History and Biography PDFs on my Cybook Gen3 and, shortly, on my prospective Kindle 3.
After jiggling around a bit with the settings (guided by all the posts in this thread), I have got the conversion to work perfectly on a couple of trial books, both of which look like very good original scans. However, when I read the conversions in Mobipocket Reader (and in the Calibre Reader), there is one major problem, namely that each line of text looks like it has been printed on an irregular band of grey. It actually looks like the effect you get when you photocopy a page of text where the individual lines have been marked manually with a yellow highlighter. I have used the "no dilation" option, colorspace "gray"; and it is the same in either portrait or landscape, and with either 4 or 16 colors. Does anyone have any suggestions? |
03-02-2011, 10:10 AM | #354 | ||
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My suggestion would be to not limit the color to 4 or 16 and use the full color spectrum allowed by the program i.e. 256 colors. This way the hardware ebook reader can render that ebook the best way it can and hopefully it eliminates that "noise". Also, try lowering the the Edge Level to 3 or 1 or even try selecting "no edge enhance". You can try increasing the resolution of the Dilation DPI to 600 or even use the "pdfread-MinFilter5-mod-bin.zip " executable as explained in the Note at the bottom of the first post in this thread. |
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03-02-2011, 02:50 PM | #355 |
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Thank you, Nick, for your prompt and helpful response. I would have got back to you sooner, but I was jiggling with all the settings in order to see if I came across any other problems or questions.
In short, I incorporated your suggestions by increasing colours to 256, with "no edge enhance", dpi 600, plus using the "pdfread-MinFilter5-mod-bin.zip " executable, and "no dilation". The result was that the shading was only very faintly visible to the naked eye on both Mobipocket and Calibre Readers, barely visible on a screenshot and, more importantly, not noticeable on my Cybook. So that's a practicable solution. As a separate issue, I had to use "landscape-half" to make the fonts readable on the Cybook; am I correct in assuming that this will vary from book to book? And is there any way of over-riding the preset categories in "Layout Mode" to provide more precise gradations from book to book? One final query: I specified the "Size" as "H480V620"; is this the correct way to do it for the Cybook? And one final comment; I can't help feeling that all the problems may stem from the GUI's miss-spelling of the words "colour" (TWICE!) and "grey". |
03-02-2011, 04:02 PM | #356 | |||||
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I'm not to fussy about using one way or another, especially given this is an International forum and the US out numbers Canada 10 to 1! |
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06-06-2011, 10:58 PM | #357 |
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k2pdfopt
An alternative to pdfread for optimizing PDF's for the 6-inch kindles is k2pdfopt (google it). It's fully automatic and only requires the additional installation of Ghostscript. Runs on Linux or Windows. I wrote it because I wanted to be able to read 2-column PDF articles on my kindle.
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06-08-2011, 02:42 PM | #358 |
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I posted this on the Kindle Developer's Corner, but realized that perhaps I should have posted here. I am having problems using PDFRead 1.8.2 to convert pdf files for my Kindle 1. When I use the prc-mobie profile, the dos box indicates that the program converts each page of the pdf, but then the program hangs on the line "creating mobi ebook . . ." When I use the prc-mobie-p profile with the layout mode set to landscape-half, the program completes the conversion process, the output is in landscape on the Kindle, but the print is too small and instead of each pdf page being cut in half, almost all of the pdf page is on the first Kindle page with only a few lines on the second.
My first question is why does the conversion process hang when using the prc-mobie profile, but not the prc-mobie-p profile? My second question is what is the difference between the prc-mobie profile and the prc-mobie-p profile with the latter's layout mode set to landscape-half? Any help would be appreciated. Thanks, John |
08-21-2011, 05:17 PM | #359 |
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Hope posting this inquiry here is OK.
I'm using PDFRead 1.8.2 with generally good success. The conversion is almost the way I like it, except that once uploaded to the Kindle 3 the pages are microscopic. I can use the zoom feature on the Kindle and get one page to look the way I want (as in full screen), but jumping to the next page goes back to tiny. I've tried a few different settings, but nothing really solved the problem. My next step was to set to the size H and V, but I cannot find any description as to which unit the size is (pixel? inch? cm? percent of full screen?). All I want is to have my PDF pages appear as pages on the Kindle exactly the way they show in the PDF. Any advice is greatly appreciated. Just to stress, this tool is absolutely fantabulous! |
08-22-2011, 12:12 PM | #360 | ||||
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Then each section is displayed as consecutive pages for that ONE .pdf page, and the process is repeated with all the rest of the .pdf pages. There is no OCR going on that converts the .pdf text to ebook fonts that can be enlarged with the kindle reader. The only zoomimg available would be to zoom into an image/picture, not using the font sizes for ebook text. Quote:
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Last edited by nrapallo; 08-22-2011 at 12:33 PM. |
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