if (orientation == PlotOrientation.VERTICAL) {
                    // Add the last point (x,0)
                    areaState.getSeriesArea().addPoint((int) transX1,
                            (int) transY2);
                }
                else if (orientation == PlotOrientation.HORIZONTAL) {
                    // Add the last point (x,0)
                    areaState.getSeriesArea().addPoint((int) transY2,
                            (int) transX1);