我想问一下是否可能拥有一个带有双x轴的时间序列图表(或y轴,但因为它是时间序列数据集,所以我专注于双x轴)。我有两个数据文件,其中测量是在一分钟或整天内进行的。因此,我不能有一个x轴。因此,一种解决方案是将一个数据文件转换为另一个数据文件的格式,或者拥有两个不同的x轴。第二个解决方案是否可行?
我发现JFreeChartDualAxisDemo,
但这不是我想要的。
非常感谢任何帮助!
编辑:
我有以下代码,并尝试创建具有属于特定x轴的两个数据集的时间序列图表(正如您可以看到我创建了两个x轴)。我尝试执行此代码,但创建的图表不正确,实际上它只有x轴和y轴。有人可以告诉我哪里有错误吗?
我发现JFreeChartDualAxisDemo,
但这不是我想要的。
非常感谢任何帮助!
编辑:
我有以下代码,并尝试创建具有属于特定x轴的两个数据集的时间序列图表(正如您可以看到我创建了两个x轴)。我尝试执行此代码,但创建的图表不正确,实际上它只有x轴和y轴。有人可以告诉我哪里有错误吗?
int year1 = 2004;
int year2 = 2005;
int year3 = 2006;
int year4 = 2007;
int month1 = 1;
int month2 = 5;
int month3 = 8;
int month4 = 12;
int day1 = 3;
int day2 = 10;
int day3 = 15;
int day4 = 30;
TimeSeries ts= new TimeSeries("Metrisi", Day.class);
ts.add(new Day(day1, month1, year1), 100);
ts.add(new Day(day2, month2, year2), 150);
ts.add(new Day(day3, month3, year3), 250);
ts.add(new Day(day4, month4, year4), 275);
TimeSeriesCollection dataset = new TimeSeriesCollection();
dataset.addSeries(ts);
int year1_2 = 2004;
int year2_2 = 2005;
int year3_2 = 2006;
int year4_2 = 2007;
int month1_2 = 2;
int month2_2 = 7;
int month3_2 = 9;
int month4_2 = 11;
int day1_2 = 23;
int day2_2 = 14;
int day3_2 = 19;
int day4_2 = 22;
TimeSeries ts2= new TimeSeries("Metrisi", Day.class);
ts.add(new Day(day1_2, month1_2, year1_2), 100);
ts.add(new Day(day2_2, month2_2, year2_2), 150);
ts.add(new Day(day3_2, month3_2, year3_2), 250);
ts.add(new Day(day4_2, month4_2, year4_2), 275);
TimeSeriesCollection dataset2 = new TimeSeriesCollection();
dataset.addSeries(ts2);
JFreeChart chart = ChartFactory.createTimeSeriesChart(
"Measurement",
"Date",
"Measurement",
dataset,
true,
true,
false);
final XYPlot plot = chart.getXYPlot();
plot.setBackgroundPaint(Color.lightGray);
plot.setDomainGridlinePaint(Color.white);
plot.setRangeGridlinePaint(Color.white);
plot.setDomainCrosshairVisible(true);
plot.setRangeCrosshairVisible(false);
final DateAxis axis2 = new DateAxis("Secondary");
//xAxis2.setAutoRangeIncludesZero(false);
//plot.setDomainAxis(1, axis );
plot.setRangeAxis(1, axis2);
plot.setDataset(1, dataset2);
plot.mapDatasetToRangeAxis(1, 1);
final XYItemRenderer renderer = plot.getRenderer();
renderer.setToolTipGenerator(StandardXYToolTipGenerator.getTimeSeriesInstance());
if (renderer instanceof StandardXYItemRenderer) {
final StandardXYItemRenderer rr = (StandardXYItemRenderer) renderer;
//rr.setPlotShapes(true);
rr.setShapesFilled(true);
//renderer.setSeriesStroke(0, new BasicStroke(2.0f));
//renderer.setSeriesStroke(1, new BasicStroke(2.0f));
}
final StandardXYItemRenderer renderer2 = new StandardXYItemRenderer();
renderer2.setSeriesPaint(0, Color.black);
//renderer2.setPlotShapes(true);
renderer.setToolTipGenerator(StandardXYToolTipGenerator.getTimeSeriesInstance());
plot.setRenderer(1, renderer2);
final DateAxis axis = (DateAxis) plot.getDomainAxis();
我想要做的是,如您所见,我有两个x轴,但只有一个数据集,这就是问题所在。我已经使用以下代码完成了图像中显示的示例:
final XYPlot plot = chart.getXYPlot();
plot.setBackgroundPaint(Color.lightGray);
plot.setDomainGridlinePaint(Color.white);
plot.setRangeGridlinePaint(Color.white);
plot.setDomainCrosshairVisible(true);
plot.setRangeCrosshairVisible(false);
final XYItemRenderer renderer = plot.getRenderer();
if (renderer instanceof StandardXYItemRenderer) {
final StandardXYItemRenderer rr = (StandardXYItemRenderer) renderer;
//rr.setPlotShapes(true);
rr.setShapesFilled(true);
renderer.setSeriesStroke(0, new BasicStroke(2.0f));
renderer.setSeriesStroke(1, new BasicStroke(2.0f));
}
final DateAxis axis = (DateAxis) plot.getDomainAxis();
final DateAxis xAxis2 = (DateAxis) plot.getDomainAxis();
plot.setDomainAxis(1, xAxis2 );
plot.mapDatasetToDomainAxis(1, 1);