text: define(['backbone'], function (Backbone) {
      return Backbone.Model.extend({
          defaults: {
              id: 0,
              name: '',
              coordinates: ''
          },
          getId: function () {
              return parseInt(this.get('id'));
          },
          getCoordinates: function () {
              if (!this.get('coordinates')) {
                  return [0, 0];
              }
  
              var coordinatesArray = this.get('coordinates').split(',');
              var lon = parseFloat(coordinatesArray[0]);
              var lat = parseFloat(coordinatesArray[1]);
              return [lon, lat];
          },
          destroy: function () {
              this.unbind();
              delete this;
          }
      })
  });
  