+++ /dev/null
-require "delegate"
-
-module GeoRecord
- # Ensure that when coordinates are printed that they are always in decimal degrees,
- # and not e.g. 4.0e-05
- # Unfortunately you can't extend Numeric classes directly (e.g. `Coord < Float`).
- class Coord < DelegateClass(Float)
- def initialize(obj)
- super(obj)
- end
-
- def to_s
- format("%.7f", self)
- end
- end
-
- # 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
-
- # Is this node within -90 >= latitude >= 90 and -180 >= longitude >= 180
- # * returns true/false
- def in_world?
- return false if lat < -90 || lat > 90
- return false if lon < -180 || lon > 180
-
- true
- end
-
- def update_tile
- self.tile = QuadTile.tile_for_point(lat, lon)
- end
-
- def lat=(l)
- self.latitude = (l * SCALE).round
- end
-
- def lon=(l)
- self.longitude = (l * SCALE).round
- end
-
- # Return WGS84 latitude
- def lat
- Coord.new(latitude.to_f / SCALE)
- end
-
- # Return WGS84 longitude
- def lon
- Coord.new(longitude.to_f / SCALE)
- end
-end