That functionality is present on MobiPocket books on most platforms, but there does not seem to be any documentation on making it work on the Kindle. However, we know that it is possible because there is at least one book available on the Kindle with this feature: [i]Basic Relativity[/i], by Richard Mould. (http://www.amazon.com/Basic-Relativity/dp/B000W97FTI/ref=ed_oe_k)
If you download the sample, you can see a zoomed image by going to Figure 1.1 around Location 142 and clicking on the image.
ADMINS: I would appreciate it very much if you can send along some documentation for how to get this function to work on the Kindle.
Couldn't you at least tell us how the functionality works, how you make it happen in the books in which it [b]is[/b] available?
This disconnect between the abilities of books published on the DTP and those created by some unknown in-house Amazon process is frustrating. It makes all DTP books appear as lower-class than the ones you guys create. Please help us provide the best products for our readers!
i haven't downloaded the sample of the book yet to check this out, but there could possible be a workaround (or maybe this is what's happening with the sample you're looking at?):
if you put a "zoomed out" image in the HTML so it shows up when the reader comes to that page, but then have the image linked to a "zoomed in" version (which of course is also in the archive loaded up to DTP) when you scroll to it and click, that should bring up the zoomed in version.
i haven't tested that, but seems it should work...?
I have already tried all of the permutations of this: linking to a different image, using an image with a larger size, etc. There is some special function that makes it happen in MobiPocket on some devices; however, there is no documentation out there detailing how to do it, and no one except Amazon has been able to get it to work in a Kindle book. Obviously, the functionality is there, we just need to know how to make it work.
I agree that if this functionality is available - letting us know here it would be a huge help. It's kind of a "killer feature" that my sister's sony reader has that's preventing me from recommending the kindle to my sony friends.
The sample is in Topaz format. Only Amazon has the tools to publish books in that format (.azw1). The rest of us are stuck with the .azw format created by DTP. So we don't get that function--or embedded fonts or whatever else Topaz supports.