 package flare.flex
 {
 	import flare.data.DataSet;
+	import flare.display.DirtySprite;
 	import flare.vis.Visualization;
 	import flare.vis.axis.Axes;
 	import flare.vis.axis.CartesianAxes;
 	import flare.vis.data.Data;
-	
-	import flash.geom.Rectangle;
 	
 	import mx.containers.Canvas;
 

			this.rawChildren.addChild(
				_vis = new Visualization(data==null ? new Data() : data)
			);
		}
		
	} // end of class FlareVis

	public class FlareVis extends Canvas
	{
		private var _vis:Visualization;
		
		/** The visualization operators used by this visualization. This
		 *  should be an array of IOperator instances. */
