05-13-2009, 06:06 PM | #256 |
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05-14-2009, 08:36 AM | #257 |
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i have just read ur artical and it is excellent..i have also download it..but do i have to buy it??i m not understanding....plz help me
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05-14-2009, 11:29 AM | #258 | ||
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Enjoy! |
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05-15-2009, 12:52 PM | #259 |
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Is there anyway I can make the converted text read-able or at least "sizeable" on my kindle2? I used Savory and it could convert some pdf books that way, the problem with it is that it is too slow and often hang up on me.
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05-15-2009, 03:34 PM | #260 | |
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PDFRead results in just images; no text to be found. To enlarge those images to fit smaller ebook screens, you really need to cut up the .pdf page into halves or quarters and display horizontally (landscape) each of those sequentially. This works best when there is a large white margin that can be removed, in which case, even vertical (portrait) images can be readable (but just barely). |
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05-26-2009, 10:21 PM | #261 |
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Well, nrapallo, your posts are great. They're very informative and helpful. You must be very good at this area. Many thanks for you.
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05-26-2009, 10:23 PM | #262 | |
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Thanks for the kind words and welcome to MobileRead.com! Do you have any particular ebook reader in mind? |
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06-18-2009, 09:55 AM | #263 |
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I'm just wondering whether it's possible to add minfilter5 to the source for pdfread when using the script on a Mac? The program is working but the output is different (and inferior) to when I run it on windows.
Also I'm wondering what method is used to chop out whitespace in PDFRead? Is there a way to do it in imagemagick for example? And I'm using kindle2. Thanks for your work on this cool app. Last edited by projectxz2005; 06-18-2009 at 10:19 AM. |
06-18-2009, 10:28 AM | #264 | |
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This attachment can be found at the bottom of post #1 of this thread. Even though it says the EDIT: 14 Oct 2008 - for Sony users, it also is for all those that want to try the new minfilter5. Just unzip that attachment and overwrite the files in the respective directories in your PDFRead install folder. I keep the minfilter3 and minfilter5 files in two folders and overwrite the main files so as to switch between the two as necessary. Have a go at it! |
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06-19-2009, 02:56 PM | #265 |
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Hello,
Has somebody come up with a Kindle DX profile? Thank you. Last edited by sungeng1; 06-19-2009 at 03:54 PM. |
06-19-2009, 04:47 PM | #266 | |
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Any ideas about an optimal Kindle DX profile... p.s. the Kindle 2 profile has already been discussed here: - https://www.mobileread.com/forums/sho...736#post419736 - https://www.mobileread.com/forums/sho...011#post428011 |
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06-19-2009, 05:24 PM | #267 | |
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06-19-2009, 09:43 PM | #268 | |
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The python script, process.py, has two functions that accomplish it, namely: crop Code:
""" perform image cropping via whitespace detection """ def crop(input, percent=DEFAULT_CROP_PERCENT): p('CROP ') w, h = input.size img = ImageChops.invert(input) box = img.getbbox() if box is None: return None l, t, r, b = box # crop horizontal blank areas temp = crop_axis(input, img, t, b, percent, lambda s, e: (0, s, w, e), lambda s : (w, s), lambda s : (0, s)) w, h = temp.size img = ImageChops.invert(temp) # crop vertical blank areas return crop_axis(temp, img, l, r, percent, lambda s, e: (s, 0, e, h), lambda s : (s, h), lambda s : (s, 0)) crop_axis Code:
""" internal function for cropping a single axis """ def crop_axis(input, img, start, end, percent, func_crop, func_size, func_pos): # compute optimal step and size for given axis percentage size = min(MAX_CROP_SIZE, max(1, int((end-start)*percent/100))) step = min(MAX_CROP_STEP, max(1, int(size/10))) content = [] begin = start blank_area = False for i in range(start, end, step): test = img.crop( func_crop(i, i+size) ) if test.getbbox() is None: if not blank_area: # we've hit a blank area, so save content area content.append( (begin, i) ) blank_area = True else: if blank_area: # we've moved out of a blank area, mark beginning begin = i blank_area = False # handle the last leftover area if not blank_area and end > begin: content.append( (begin, end) ) # create image with shrunken axis newI = sum([last-first for first, last in content]) output = Image.new(input.mode, func_size(newI), None) # append the content parts i = 0 for first, last in content: output.paste( input.crop(func_crop(first, last)), func_pos(i) ) i += (last - first) # return output return output |
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06-21-2009, 03:53 PM | #269 |
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Hello!
I have stumpled upon a pdf where I get little squares at certain positions (in the output), which are not displayed in the original pdf. It looks like this: https://www.mobileread.com/forums/att...1&d=1245613602 The pdf in question is this one: http://linguistics.buffalo.edu/peopl...G_overview.pdf I guess ghostscript lacks a sign here or something like that? Any recommendations on how to get rid of those? Because in some cases they seem to be at the same position as the following letter and the two kind of "merge", which is quite annoying.. (see the "General" in the attached image). |
06-22-2009, 01:57 PM | #270 | |
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Dale |
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