 	                                 
 			// perform first walk to get the data distribution
 	        _scale.dataMax = peaks();
+	        initializeAxes();
 	        
 	        // initialize current polygon
 	        var axes:CartesianAxes = super.xyAxes;

			_columns = Arrays.copy(cols);
			_peaks = new Array(cols.length);
			_poly = new Array(cols.length);
		}
		
		/** Flag indicating if the visualization should be normalized. */		

		private var _threshold:Number = 1.0;
		
		private var _scale:QuantitativeScale = new LinearScale(0,0,10,true);
		private var _colScale:Scale;
		
		/** Array containing the column names. */
		public function get columns():Array { return _columns; }
