MissingSourceFile is just an alias for LoadError in rails 4.2 and
in rails 5.0 it is no longer present.
module QuadTile
begin
require "quad_tile/quad_tile_so"
module QuadTile
begin
require "quad_tile/quad_tile_so"
- rescue MissingSourceFile
def self.tile_for_point(lat, lon)
x = ((lon.to_f + 180) * 65535 / 360).round
y = ((lat.to_f + 90) * 65535 / 180).round
def self.tile_for_point(lat, lon)
x = ((lon.to_f + 180) * 65535 / 360).round
y = ((lat.to_f + 90) * 65535 / 180).round