Hi all, The following tool may be useful for picking the location of mapathons. It shows the number of changes made to OSM in each (big) tile dating back to 2008. Obviously cities have more edits as there is more to map there. However, when you click on a tile it shows the timeline of edits and adds a simple trendline.
Any flat or downward sloping trendlines may be a good indication of a deline in mappers in that reason*. Equally any squares that haven't shown much activity recently may also be good candidates. http://osm-activity.lukasmartinelli.ch/#7.56/52.411/-1.528 *Rob* * Alternatively it could just show that it is a very dull region where everything is mapped and nothing changes!
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