Multi-rendition folios and 108ppi resolution

Experimentation with multi-rendition PDF folios is throwing out some interesting things. I am in a sharing mood.
- A standard iPad 2 folio rendition resamples images to 72ppi. An iPad 3 folio rendition resamples image to 144ppi. A multi-rendition folio resamples images to 108ppi. As a result, images in a multi-rendition folio look worse on an iPad 3 than those in an iPad 3-specific folio. Sure, if the original images are not very good, readers won't notice any difference, but for top-quality photography, the jaggies and jpegging noise are noticeably harsher.
- All raster MSOs in a multi-rendition folio will be resampled to 108ppi. If those MSOs contain text, that text will appear fuzzy/jaggy on an iPad 3 even without zooming in. MSOs must therefore be set to Vector format to preserve the text... but remember that any text incorporated into a raster graphic will still be resampled to 108ppi, then fuzzed up onthe fly to 144ppi on the iPad 3 screen. So if someone is supplying you with logotypes, for example, insist on vector illustration files.
Clearly, the 108ppi resolution of multi-rendition PDF folios is a compromise. I'd be a little happier with this resolution compromise if it was possible to adjust JPEG compression settings for the images.
Ali

Hi Bob
I've just created a large report and did what you suggested, duplicate the image, and turn it into an mso and then added the HD folder. Nothing looked different, so I tested on of the images in the HD folder by adding the word HD, tested on iPad 3 and it didnt pick it up. I've made sure the file names are exactly the same. The files are tiff's.
Have I missed something? all my SD assets are in a Links folder, with all the other assets, and then I created the folder "HD" with the hi-res images in there, and thats it. The 1024x768 folio is linked to all the normal images, but retina version is not picking up the images from HD folder
Anything obvious missing? oh and I'm on release 23
Cheers
Alistair

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Hi there,
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Anything two years old pertaining to DPS is too old to take with anything
but a grain of salt. Things have changed dramaticallyand for the better.
When that article was written, renditions were the only way to support both
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Try it yourself. Create a few test articles and turn them into folios with
PNG at 1024x768, 2048x1356, and finally a PDF folio at 1024x768 and make
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should you have a certain graphic that you feel needs to be 144ppi you can
can create a one state image sequence using the hd/sd assets.
Finally, unless you have a pro or enterprise account, this is moot. Single
Edition apps do not support renditions. Here' a link to one I did recently:
https://itunes.apple.com/us/app/my-9-months/id528623198?mt=8
Check it out. It's done as I described above. 1024x768 PDF.

Multi-rendition Folios

Do multi-rendition folios work in Creative Cloud versions of DPS?

They were specifically created for the Single Edition use case. They are only valuable if you are using pan and zoom overlays in your publication. If you aren't there's no point to them, just use a 1024x768 folio in PDF format.
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Hi there. I have been uploading my articles as a PDF as we discussed, so that every ipad version can have the highest res possible.
Bob, you said I should ignore this link...
http://helpx.adobe.com/digital-publishing-suite/help/creating-dps-content-different-ipad.h tml
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Multi-rendition folios and 108ppi resolution

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