module GeoRecord
- # This scaling factor is used to convert between the float lat/lon that is
+ # 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, ->(bbox) { base.where(OSM.sql_for_area(bbox)) }
base.before_save :update_tile
end
private
-
+
def lat2y(a)
180/Math::PI * Math.log(Math.tan(Math::PI/4+a*(Math::PI/180)/2))
end