Mobileread
Calibre converted comics cut off on Kobo
#1  ViralMage 06-15-2010, 10:46 PM
I've set "Keep Aspect Ratio" and "Disable Trimming", but I've noticed that the bottom 36 pixels have been cut off when viewing the epub files on my Kobo. When I open up the epub, the entire image is there. It's happened with all images converted using Calibre I've viewed on my Kobo. I think it might be a problem with Calibre having the wrong usable screen size set, but I don't know how to change this to test it. If someone could let me know, that'd be great. Any other suggestions would be welcome as well.
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#2  techie42 06-16-2010, 12:32 PM
I used Calibre's convert to pdf for pocket book sized Manga. I tried the same thing for newspaper style comic strips. It breaks them up into two panels per Kobo page and I have not figured out how to get them displayed in a four panel landscape mode on my kobo.
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#3  kovidgoyal 06-16-2010, 12:42 PM
calibre assumes the kobo available screen size is 584x754 for comics. If it is different, let me know and I will update the output profile.
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#4  Shiara 06-16-2010, 09:28 PM
This has been driving me nuts as well. kovidgoyal, does that available screen size include the bottom section of the screen that is taken up for a strip showing the chapter name and page number? I feel like that's the amount of space that is being cut off on the comics.
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#5  kovidgoyal 06-16-2010, 09:49 PM
It was the size reported to me by an early Kobo user. I don't have access to a Kobo myself to verify it.
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#6  techie42 06-17-2010, 05:19 PM
Quote kovidgoyal
It was the size reported to me by an early Kobo user. I don't have access to a Kobo myself to verify it.
Anything I can do to help out?
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#7  kovidgoyal 06-17-2010, 05:56 PM
If you can figure out the correct size, that would be helpful. Just create a sample image that marks of the bottom x pixels in a different color, put it into a cbz and convert to epub and see how many pixels are cut off.
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#8  Stinger 06-17-2010, 06:27 PM
I believe the Kobo has a 600 × 800 pixels resolution screen.

At least that's the only pixel resolution I have have seen quoted in various articles and wiki pages.


Sources quoting 600x800:
http://www.cbc.ca/technology/story/2...o-ereader.html
http://goodereader.com/blog/electron...ader-a-review/
http://en.wikipedia.org/wiki/Compari...e-book_readers

EDIT: Thanks RR. I was thinking about this post as I was searching for credible links regarding the resolution and it hit me that it didn't really make sense... 800x600 would have been bigger than what Kovid has it set to now, so it wouldn't be cutting stuff off, doh!
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#9  RedRoverJ 06-17-2010, 06:49 PM
Quote Stinger
I believe the Kobo has a 600 × 800 pixels resolution screen.

At least that's the only pixel resolution I have have seen quoted in various articles and wiki pages.


Sources quoting 600x800:
http://www.cbc.ca/technology/story/2010/04/08/f-kobo-ereader.html
http://goodereader.com/blog/electronic-readers/the-new-kobo-e-book-reader-a-review/
http://en.wikipedia.org/wiki/Comparison_of_e-book_readers
But that resolution includes the unusable space taken up by page count. When I have some time, perhaps later tonight, I will play around with an image file and see what size it will handle before cutting off the bottom.
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#10  kovidgoyal 06-17-2010, 06:50 PM
That's the entire screen resolution, I need the actually available screen resolution which currently calibre assume is 584x754
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