On Mon, Jan 7, 2013 at 4:39 PM, Alex Barth <[email protected]> wrote: > > On Jan 6, 2013, at 11:28 AM, Ian Dees <[email protected]> wrote: > > > > I've done this before and it works great for ~z10+. Some more processing > needs to be done for the lower zoom levels so that we can display an > overview to make it easier to find problematic areas. > > > > Any particular thoughts on what kind of processing?
What about rasterizing the most prominent "color" (i.e. missing 2012 or 2007 changes) in a 1km² area and boiling it up like Mike's Green Means Go map?
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