+ # This scaling factor is used to convert between the float lat/lon that is
+ # returned by the API, and the integer lat/lon equivalent that is stored in
+ # the database.
+ SCALE = 10000000
+
+ def self.included(base)
+ base.scope :bbox, lambda { |minlat,minlon,maxlat,maxlon| base.where(OSM.sql_for_area(minlat, minlon, maxlat, maxlon)) }
+ base.before_save :update_tile