java 刻度坐标轴_java – 对数轴标签/刻度定制

即使您使用的是LogAxis,也可以指定整数刻度单位,如下面@ amaidment示例的变体所示.

/** @see https://stackoverflow.com/a/10353270/230513 */

private static void createFrame() {

XYSeries series = new XYSeries("Series");

for (int i = 0; i <= N; i++) {

series.add(i, Math.pow(2, i));

}

NumberAxis xAxis = new NumberAxis("X");

xAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());

LogAxis yAxis = new LogAxis("Y");

yAxis.setBase(2);

yAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());

XYPlot plot = new XYPlot(new XYSeriesCollection(series),

xAxis, yAxis, new XYLineAndShapeRenderer(true, false));

JFreeChart chart = new JFreeChart(

"Chart", JFreeChart.DEFAULT_TITLE_FONT, plot, false);

JFrame frame = new JFrame("LogAxis Test");

frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

frame.setContentPane(new Cha