renderer.setBlockHeight(1); XYPlot plot = new XYPlot(dataSet, xAxis, yAxis, renderer); plot.setBackgroundPaint(Color.white);
renderer.setBlockHeight((maxs[1] - mins[1]) / (nPoints - 1)); PaintScale scale = new GrayPaintScale(0, 1.0); renderer.setPaintScale(scale);
renderer.setBlockHeight(xyBlockPlot.getBlockHeight());