if (this.drawYError) {
                // draw the error bar for the y-interval
                double y0 = ixyd.getStartYValue(series, item);
                double y1 = ixyd.getEndYValue(series, item);
                double x = ixyd.getXValue(series, item);
                RectangleEdge edge = plot.getRangeAxisEdge();
                double yy0 = rangeAxis.valueToJava2D(y0, dataArea, edge);
                double yy1 = rangeAxis.valueToJava2D(y1, dataArea, edge);
                double xx = domainAxis.valueToJava2D(x, dataArea, 
                        plot.getDomainAxisEdge());
                Line2D line;
                Line2D cap1 = null;
                Line2D cap2 = null;
                double adj = this.capLength / 2.0;
                if (orientation == PlotOrientation.VERTICAL) {
                    line = new Line2D.Double(xx, yy0, xx, yy1);
                    cap1 = new Line2D.Double(xx - adj, yy0, xx + adj, yy0);
                    cap2 = new Line2D.Double(xx - adj, yy1, xx + adj, yy1);
                }
                else {  // PlotOrientation.HORIZONTAL
                    line = new Line2D.Double(yy0, xx, yy1, xx);
                    cap1 = new Line2D.Double(yy0, xx - adj, yy0, xx + adj);
                    cap2 = new Line2D.Double(yy1, xx - adj, yy1, xx + adj);
                }
                g2.setStroke(new BasicStroke(1.0f));
                if (this.errorPaint != null) {
                    g2.setPaint(this.errorPaint);    
                }
                else {
                    g2.setPaint(getItemPaint(series, item));
                }
                g2.draw(line);                    
                g2.draw(cap1);                    
                g2.draw(cap2);