code: function() {
          var string;
          if (OpenLayers.Format && OpenLayers.Format.WKT) {
              string = OpenLayers.Format.WKT.prototype.write(
                  new OpenLayers.Feature.Vector(this)
              );
          } else {
              string = Object.prototype.toString.call(this);
          }
          return string;
      }
docs: Method: toString
  Returns a text representation of the geometry.  If the WKT format is
  included in a build, this will be the Well-Known Text
  representation.
  
  Returns:
  {String} String representation of this geometry.