java绘图,网格线位于XYDifferenceRanger顶部
我正在用JFreeChart制作(时间序列)山图。所以,我做了两个时间序列——数据1和所有范围值都为零的时间序列
TimeSeriesCollection dataset2 = new TimeSeriesCollection();
dataset2.addSeries(close); //my data series/
dataset2.addSeries(zeroseries); /zero series/
然后,我用XYDifferenceRender用我想要的颜色填补了两个系列之间的空白
创建图表和设置渲染器的代码:
final JFreeChart chart = garch_differencechart(url);//my method to create the chart//
final ChartPanel chartPanel = new ChartPanel(chart);
final XYPlot plot = (XYPlot) chart.getPlot();
chart.setBackgroundPaint(Color.WHITE);
plot.setBackgroundPaint(Color.WHITE);
XYDifferenceRenderer renderer = new XYDifferenceRenderer();
renderer.setPositivePaint(new Color(202, 225, 255));
renderer.setSeriesPaint(0, new Color(72, 118, 255));
renderer.setSeriesStroke(0, new BasicStroke(1.2f));
plot.setRenderer(renderer);
设置网格线可见的代码:
plot.setDomainGridlinesVisible(true);
plot.setDomainGridlinePaint(new Color(234,234,234));
plot.setDomainGridlineStroke(new BasicStroke(0.5f));
plot.setRangeGridlinesVisible(true);
plot.setRangeGridlinePaint(new Color(234,234,234));
plot.setRangeGridlineStroke(new BasicStroke(0.5f));
然而,渲染器覆盖了绘图的网格线(看起来网格线是在XYDifferenceEnder之前绘制的)
我怎样才能在XYDifferenceEnder上绘制网格线呢
# 1 楼答案
网格线显示在demos和API中。一个sscce将是决定性的,但我怀疑你的网格和填充油漆只是需要更多的对比