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[英]JavaFX: How to add serveral series dynimically on Area Chart and delete line(series) from chart?
[英]How to plot multiple series with javafx line chart which is in array list
没有错误,但是绘图存在问题,无法获得正确的折线图,我希望在x轴上使用参数,在y轴上使用值,但是我有3个引擎作为系列,但是该系列未添加但最后一个系列只是加起来。 请帮我解决这个问题。
我想做的是:假设我有n个引擎和m个引擎参数,如果我有4个引擎和30个参数,则总值为nxm,即4x30 = 120,所以我想在一个轴上绘制引擎,参数中的另一个。 目前,引擎是串联的,但无法针对参数进行绘制。 应该有多个引擎系列和常量参数,并标出值
单击此URL查看图。 正在获取类似的内容,因为无法添加多个系列。
1:Performance.java
import java.util.ArrayList;
import java.util.List;
import javafx.scene.chart.LineChart;
import javafx.scene.chart.XYChart;
public class performance {
protected LineChart<String,Number> lineChart;
protected ArrayList parameters;
protected ArrayList<List> param;
protected ArrayList engines;
public XYChart.Series series = new XYChart.Series();
public performance(LineChart<String,Number> lineChart, ArrayList parameters, ArrayList<List> paramValues, ArrayList engines) {
this.lineChart = lineChart;
this.parameters = parameters;
this.param = paramValues;
this.engines = engines;
}
public XYChart.Series generateChart() {
for(int i=0;i<engines.size();i++)
{
series.setName(engines.get(i).toString());
for(int j=0;j<parameters.size();j++)
{
series.getData().add(new XYChart.Data(parameters.get(j).toString(),param.get(i).get(j)));
System.out.println(engines.get(i) + "with parameter: " + parameters.get(j) + "having value: "+ param.get(i).get(j));
}
}
System.out.println(lineChart);
return series;
}
}
2:mainClass
import java.util.ArrayList;
import javafx.application.Application;
import static javafx.application.Application.launch;
import javafx.scene.Scene;
import javafx.scene.chart.CategoryAxis;
import javafx.scene.chart.LineChart;
import javafx.scene.chart.NumberAxis;
import javafx.stage.Stage;
public class NewFXMain extends Application {
@Override
public void start(Stage stage) {
stage.setTitle("Performance Analysis");
final CategoryAxis xAxis = new CategoryAxis();
final NumberAxis yAxis = new NumberAxis();
xAxis.setLabel("Values");
yAxis.setLabel("Engines");
LineChart<String, Number> lineChart = new LineChart<String,Number>(xAxis,yAxis);
Scene scene = new Scene(lineChart,800,600);
lineChart.setTitle("Performance Analysis");
ArrayList engines = new ArrayList();
engines.add("engine1");
engines.add("engine2");
engines.add("engine3");
ArrayList parameters = new ArrayList();
parameters.add("parameter1");
parameters.add("parameter2");
parameters.add("parameter3");
parameters.add("parameter4");
parameters.add("parameter5");
ArrayList paramvalue1 = new ArrayList();
paramvalue1.add(12);
paramvalue1.add(13);
paramvalue1.add(15);
paramvalue1.add(11);
paramvalue1.add(10);
ArrayList paramvalue2 = new ArrayList();
paramvalue2.add(12);
paramvalue2.add(20);
paramvalue2.add(18);
paramvalue2.add(17);
paramvalue2.add(22);
ArrayList paramValue3 = new ArrayList();
paramValue3.add(14);
paramValue3.add(12);
paramValue3.add(11);
paramValue3.add(22);
paramValue3.add(12);
ArrayList finalValue = new ArrayList();
finalValue.add(paramvalue1);
finalValue.add(paramvalue2);
finalValue.add(paramValue3);
for(int i=0;i<engines.size();i++)
{
performance performvalues = new performance(lineChart, parameters, finalValue, engines);
lineChart.getData().add(performvalues.generateChart());
}
stage.setScene(scene);
stage.show();
}
public static void main(String[] args) {
launch(args);
}
}
更改performance
类的generateChart
public void generateChart() {
for (int i = 0; i < engines.size(); i++) {
XYChart.Series series = new XYChart.Series();
series.setName(engines.get(i).toString());
for (int j = 0; j < parameters.size(); j++) {
series.getData().add(new XYChart.Data(parameters.get(j).toString(), param.get(i).get(j)));
}
lineChart.getData().add(series);
}
System.out.println(lineChart);
}
并使用如下所示的NewFXMain
类的start
方法中的类,并删除for循环
performance performvalues = new performance(lineChart, parameters, finalValue, engines);
performvalues.generateChart();
注意:始终保留类名CamelCase
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