code: function positionToGeographic(position) {
      var x = position[0];
      var y = position[1];
      return [radToDeg(x / EarthRadius) - (Math.floor((radToDeg(x / EarthRadius) + 180) / 360) * 360), radToDeg((Math.PI / 2) - (2 * Math.atan(Math.exp(-1.0 * y / EarthRadius))))];
    }
docs: /*
  Public: Convert a GeoJSON Position object to Geographic (4326)