code: function (xyz, OMIT_MAG) {
      
      var azi, elev, r;
      var aziElevR = new Array(xyz.length);
      
      for (var i=0; i<xyz.length; i++) {
          azi = Math.atan2( xyz[i][1], xyz[i][0] );
          elev = Math.atan2( xyz[i][2], Math.sqrt(xyz[i][0]*xyz[i][0] + xyz[i][1]*xyz[i][1]) );
          if (OMIT_MAG==1) {
              aziElevR[i] = [azi,elev];
          }
          else {
              r = Math.sqrt(xyz[i][0]*xyz[i][0] + xyz[i][1]*xyz[i][1] + xyz[i][2]*xyz[i][2]);
              aziElevR[i] = [azi,elev,r];
          }
      }
      return aziElevR;
  }
docs: convertCart2Sph converts arrays of cartesian vectors to spherical coordinates