lonradius = PI
end
- minlat = (@lat - latradius) * 180 / PI
- maxlat = (@lat + latradius) * 180 / PI
- minlon = (@lon - lonradius) * 180 / PI
- maxlon = (@lon + lonradius) * 180 / PI
+ minlat = [(@lat - latradius) * 180 / PI, -90].max
+ maxlat = [(@lat + latradius) * 180 / PI, 90].min
+ minlon = [(@lon - lonradius) * 180 / PI, -180].max
+ maxlon = [(@lon + lonradius) * 180 / PI, 180].min
- { :minlat => minlat, :maxlat => maxlat, :minlon => minlon, :maxlon => maxlon }
+ BoundingBox.new(minlon, minlat, maxlon, maxlat)
end
# get the SQL to use to calculate distance
# Parse a float, raising a specified exception on failure
def self.parse_float(str, klass, *args)
Float(str)
- rescue
+ rescue StandardError
raise klass.new(*args)
end
tilesql = QuadTile.sql_for_area(bbox, prefix)
bbox = bbox.to_scaled
- "#{tilesql} AND #{prefix}latitude BETWEEN #{bbox.min_lat} AND #{bbox.max_lat} " +
+ "#{tilesql} AND #{prefix}latitude BETWEEN #{bbox.min_lat} AND #{bbox.max_lat} " \
"AND #{prefix}longitude BETWEEN #{bbox.min_lon} AND #{bbox.max_lon}"
end