09-18-2012, 09:29 PM | #166 | |
Fuzzball, the purple cat
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Working with multicolumn scanned file
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09-19-2012, 11:28 AM | #167 | |
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09-19-2012, 11:27 PM | #168 | |
Fuzzball, the purple cat
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Example use of -evl option
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k2pdfopt -evl 2 -col 4 -ch 0.65 -cg .08 -sm web2012-09.pdf The -evl 2 option (interactive menu option "e") is the critical one--it erases vertical lines that divide the columns in your document, and this allows k2pdfopt to find the gaps between the columns. This is a new feature in k2pdfopt v1.50, and you gave me a perfect example to test it on. The -col 4 tells k2pdfopt to find up to 4 columns. The -ch 0.65 option (interactive menu under "co") sets the minimum height a region has to be in order to allow separation into different columns. The -cg .08 option (again under "co" in the interactive menu) sets the minimum gap between regions to 0.08 inches in order to consider them separate columns. And -sm shows how k2 flows the document in the web2012-09_marked.pdf file. To see how to set these options as the default (or set up a custom shortcut that will use them), see "customizing k2pdfopt" on my help pages. In general, if you want k2pdfopt to be able to follow the flow of the document correctly, it helps to have the columns well separated from each other, uniform in width, and with clear gaps separating distinct regions of the document. Getting rid of the vertical line separators would prevent having to use the -evl option. You can get an idea of what worked by looking at the "marked" file. Page 10 and 11, in particular, were too much for my algorithms, as you can tell. Last edited by willus; 09-19-2012 at 11:50 PM. Reason: Added -cg .08 to options. |
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09-21-2012, 12:24 PM | #169 |
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Wow - This tool did an amazing job on this document! I was skeptical since it is complex. I'm ok with the parts that didn't format very well. I usually work with those on my laptop. But, I wanted to read the rest of it on my Kindle and now I can. I guess I didn't look closely enough at the -evl option, which seems to be the key. Thanks for doing this for me. You have a great tool. I'm going to post this info on the message boards for this newsletter. Thanks again - Dianne
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09-22-2012, 01:13 PM | #171 | |
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09-22-2012, 03:00 PM | #172 | |
Fuzzball, the purple cat
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Last edited by willus; 09-22-2012 at 09:09 PM. |
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09-26-2012, 02:32 AM | #173 |
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Hi Willus. thank you for your good app.
a question: I have a pdf file,I adjusted the output width but each input page split to 2 or 3 output pages.I want each output page be same as input page with 2x zoom, how do I it? And a suggestion: please add night mod(black background, white text) to options of k2pdfopt. |
09-26-2012, 09:05 AM | #174 | |
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09-26-2012, 05:06 PM | #175 |
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I have to begin by thanking willus for this amazing piece of software. Have you considered adding a flattr.com button to the project website?
While converting papers to read on my Kindle, I ran across an odd case in which k2pdfopt recognizes a third region in a regular 2 col layout. This third region spans across the entire width along the bottom of the page. The document I tried to convert is located here: www.cs.ucf.edu/~jjl/pubs/ICSE0289.pdf, page 8 is a good example. I've played around a little with some of the options, am I right in assuming that -crgh is a key factor in this? I am wondering, what to the green markers in between paragraphs in the -sm output mean exacly? Can you give some pointers on what to tweak to achive a better result with the mentioned document? Kind regards Philipp Last edited by erpel; 09-26-2012 at 05:23 PM. |
09-26-2012, 09:35 PM | #176 | ||
Fuzzball, the purple cat
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Thanks for the kind words. I had not heard of flattr.com--interesting concept. If people ask how to give me money I usually just tell them to give it to their favorite charity or some other open software project that needs it. |
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09-27-2012, 03:16 AM | #177 | |
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09-27-2012, 08:52 AM | #178 |
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Night mode
Did you want to invert the final output from k2pdfopt even if the source document is black on white, or did you want to process a source file that has white text on a dark background?
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09-28-2012, 04:39 AM | #179 | |
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smartphones have backlight and in dark areas(like in bed) this backlight hurts the eyes. I have a smartphones then I want night mode( white text on black background) for these situations. best regards. |
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09-29-2012, 12:57 PM | #180 | |
Fuzzball, the purple cat
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ebook apps, k5 tools, kindle tools, kindle touch, tools |
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