Quote:
Originally Posted by angharad09
... I have converted it using Calibre to .epub and .mobi and been able to call it up in Adobe Digital Editions and the Kindle desktop app. ...
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You're better off using the Kindle Previewer instead of the Kindle destop apps, though using both isn't a bad idea. Previewer does a good job of replicating the display on a Kindle device. The desktop app does not.
You can download the Kindle Previewer here:
http://www.amazon.com/gp/feature.htm...cId=1000234621
Kindle devices will not scroll a large image. They will scale the image down to fit the screen. You need to account for this when designing the maps so that the image remains readable.
Kindles do have a built in function to zoom smaller images to full screen by highlighting them with the 5-way controller and clicking (just point and click in the Previewer). A second click returns you to the original image size. The zoomed image will rotate to make the best use of the screen.
You can set the "original" display size using
width and
height attributes in the
<img> tags. To be certain that the zoomed image isn't just a blur you need to use an image with adequate resolution (600x800 pixels minimum), setting the dimensions in the
<img> tag smaller than the image's actual size.