How do I remove the points in XYLineAndShapeRenderer?

问题

I'm making an application in Java using JFreeChart which shows an XY line chart. The problem is that it shows every point of the dataset on the lines, and I don't want to display these points. Any idea on how to remove the points or make them not visible?

This is a sample screenshot:

Here is the code:

JFrame frame = new JFrame();                
XYLineAndShapeRenderer renderer = new XYLineAndShapeRenderer();
renderer.setSeriesPaint(0, Color.RED);
renderer.setSeriesStroke(0, new BasicStroke(2.0f, 
BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND, 1.0f,
    new float[] { 2.0f, 4.0f }, 0.0f));
XYDataset ds = createDataset(i, p, capacity);
JFreeChart xylineChart = ChartFactory.createXYLineChart("", "", 
"", ds, PlotOrientation.VERTICAL, true, true, false);
XYPlot plot = xylineChart.getXYPlot();
plot.setDomainGridlinePaint(Color.BLACK);
plot.setRangeGridlinePaint(Color.BLACK);
plot.setBackgroundPaint(Color.WHITE);
plot.setRenderer(renderer);
ChartPanel cp = new ChartPanel(xylineChart);
frame.getContentPane().add(cp);

回答1:

By default, the no-argument constructor of XYLineAndShapeRenderer "Creates a new renderer with both lines and shapes visible." To remove the points, you can

Use the alternative constructor to specify the desired combination—lines without shapes, as shown here and in ChartFactory.createXYLineChart:
```
XYLineAndShapeRenderer renderer = new XYLineAndShapeRenderer(true, false);
```
Invoke setSeriesShapesVisible(), as @abhinavxeon suggests here and the author suggests here:
```
renderer.setSeriesShapesVisible(0, false)
```

来源：https://stackoverflow.com/questions/54804499/how-do-i-remove-the-points-in-xylineandshaperenderer

标签

java

jfreechart