public GraphPanelChart(boolean allowCsvExport, boolean haveGUI) {
gpcId = getNextId();
setBackground(Color.white);
setBorder(BorderFactory.createBevelBorder(BevelBorder.LOWERED, Color.lightGray, Color.darkGray));
yAxisLabelRenderer = new CustomNumberRenderer("#,###.#", ' ');
xAxisLabelRenderer = new CustomNumberRenderer("#,###.#", ' ');
legendRect = new Rectangle();
yAxisRect = new Rectangle();
xAxisRect = new Rectangle();
chartRect = new Rectangle();