public void zoomInRange(double x, double y) {
        Plot p = this.chart.getPlot();
        if (p instanceof Zoomable) {
            Zoomable z = (Zoomable) p;
            z.zoomRangeAxes(this.zoomInFactor, this.info.getPlotInfo(), 
                    translateScreenToJava2D(new Point((int) x, (int) y)));