10-05-2011, 12:41 PM | #1 |
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JPEGs choppy/fuzzy in epub
I'm creating a graphic for an epub as follows:
- designed it in InDesign 5.5 (it's mainly letters but one line drawing) - exported as a JPEG - in Photoshop, cropped in. - in my ID book layout, I placed the JPEG. It looks great, the letters are all sharp But when I export to epub and open it in a reader, the letters look terrible, choppy and amateurish. I've tried on different object export settings (fixed, relative. Jpeg, giff) but nothing seems to make a difference. Any help would be appreciated! |
10-05-2011, 03:00 PM | #2 |
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After you've exported the ePub, open it with an archiving program (WinZip, WinRAR, 7-Zip, etc) and replace the offending pictures with the original JPEG files you exported.
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10-05-2011, 03:20 PM | #3 |
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then do I rename the jpeg?
Thanks for the reply, ilovejedd.
I copied the original JPEG into my OEBPS/Images folder. I gave it the name as the one that was in there and changed the name of the original. When I looked at the epub, there was only a ? where the image should be. So I went into the content.opf file. In the manifest, it is href'ing to a title for the jpeg that is slightly different than the old jpeg file that I replaced (but which did show up, even though the quality was low.) What now? Thanks! Michael |
10-05-2011, 03:23 PM | #4 |
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If you are viewing your ePub in ADE for Windows, then the problem lies there. If there is any resizing to be done in ADE for Windows, it does a poor job of it. ADE on Sony Readers does a quite nice job of rendering images when they have to be resized.
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10-05-2011, 03:31 PM | #5 |
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I've looked at it in both Calibre and Sony Reader (on my desktop) and in both cases the letters have a sketchy quality.
thanks, m |
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10-06-2011, 03:12 AM | #6 |
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If it is a simple images, perhaps you can convert it to vector graphics (svg). That would solve the resize issues.
With renaming, take care. The names are case-sensitive. |
10-06-2011, 04:23 AM | #7 |
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If "it's mainly letters but one line drawing", try saving it as PNG instead, it should give more quality with a smaller size. (SVG would be better, but is more poorly supported.)
The resizing problem will probably the same, though. |
10-06-2011, 11:33 AM | #8 |
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Why are you using JPEG format for a graphic consisting of lettering and a line drawing? It's the worse possible choice of format for such a thing - the JPEG compression with "blur out" the edges of the letters and the lines.
Use the correct format for the job at hand: JPEG for real-world photographs, PNG for lettering, block graphics, line drawings, etc. |
10-06-2011, 12:28 PM | #9 | |
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Quote:
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10-06-2011, 01:06 PM | #10 |
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I thought SVG was part of the specs? Which readers don't support it then?
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