var D2R = 0.01745329251994329577;
var tmerc = require('./tmerc');
exports.dependsOn = 'tmerc';
exports.init = function() {
  if (!this.zone) {
    return;
  }
  this.lat0 = 0;
  this.long0 = ((6 * Math.abs(this.zone)) - 183) * D2R;
  this.x0 = 500000;
  this.y0 = this.utmSouth ? 10000000 : 0;
  this.k0 = 0.9996;

  tmerc.init.apply(this);
  this.forward = tmerc.forward;
  this.inverse = tmerc.inverse;
};
exports.names = ["Universal Transverse Mercator System", "utm"];