text: /* *
   * Web Mercator projection, used for most online map tile services
   * */
  'use strict';
  var maxLatitude = 85.0511287798, // The latitude that defines a square
  r = 63.78137, deg2rad = Math.PI / 180;
  var WebMercator = {
      forward: function (lonLat) {
          if (Math.abs(lonLat[1]) > maxLatitude) {
              return [NaN, NaN];
          }
          var sinLat = Math.sin(lonLat[1] * deg2rad);
          return [
              r * lonLat[0] * deg2rad,
              r * Math.log((1 + sinLat) / (1 - sinLat)) / 2
          ];
      },
      inverse: function (xy) { return [
          xy[0] / (r * deg2rad),
          (2 * Math.atan(Math.exp(xy[1] / r)) - (Math.PI / 2)) / deg2rad
      ]; },
      maxLatitude: maxLatitude
  };
  export default WebMercator;
  