pointLabel.setText(INITIAL_POINT_LABEL);
    public void changeChart(JCChartEvent jce) {	JCChart source = (JCChart)jce.getSource();	String headerText =  ((JLabel) source.getHeader()).getText();	JCAxis axis = jce.getModifiedAxis();	if(!axis.isVertical()) {	    double xStart = axis.getMin();	    double xEnd = axis.getMax();	    if(logger.isDebugEnabled()) {		logger.debug("X-Axis of " + headerText + " changed min: " + axis.getMin() + " Max: " + axis.getMax());	    }	    removeAllChartListeners();	    levelChart.setXZoom(xStart,xEnd);	    refillChart.setXZoom(xStart,xEnd);	    demandChart.setXZoom(xStart,xEnd);	    addAllChartListeners();	}    }