You can clone with
Welcome to the TechRadarMobile wiki!
Investigating what to use to zoom in and out - http://developer.apple.com/library/ios/#samplecode/PhotoScroller/Introduction/Intro.html
Other tutorial for tiles: http://www.cimgf.com/2011/03/01/subduing-catiledlayer/
This talk and sample code by one of the REA iOS devs:
Last edited by sgleadow, May 16, 2012