JFreeChart曲线
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import java.awt.BorderLayout;
import java.awt.Dimension;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.*;
import java.io.PrintStream;
//导入jfreechart包(chart)
import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.axis.ValueAxis;
import org.jfree.chart.plot.XYPlot;
//导入jfreechart包(data)
import org.jfree.data.time.*;
import org.jfree.data.xy.XYDataset;
//导入jfreechart包(ui)
import org.jfree.ui.ApplicationFrame;
import org.jfree.ui.RefineryUtilities;
public class TimeSeriesDemo1 extends JFrame implements Runnable,ActionListener{
//时序图数据集
private TimeSeries timeseries;
//Value坐标轴初始值
private double lastValue;
static Class class$org$jfree$data$time$Millisecond;
static Thread thread1;
public static void main(String[] args){
TimeSeriesDemo1 TimeSeriesDemo1 = new TimeSeriesDemo1();
TimeSeriesDemo1.pack();
RefineryUtilities.centerFrameOnScreen(TimeSeriesDemo1);
TimeSeriesDemo1.setVisible(true);
startThread();
}
public void run(){
while(true){
try{
//根据实际需要在此处加入需要执行的代码
double d = 0.9D + 0.2D * Math.random();
lastValue = lastValue * d;
Millisecond millisecond = new Millisecond();
System.out.println("Now=" + millisecond.toString());
timeseries.add(millisecond, lastValue);
Thread.sleep(300);
}catch(InterruptedException e){}
}
}
public static void startThread(){
thread1.start();
}
public void actionPerformed(ActionEvent e){
if(e.getActionCommand().equals("EXIT")){
thread1.destroy();
System.exit(0);
}
}
public TimeSeriesDemo1(){
//super(new BorderLayout());
thread1 = new Thread(this);
lastValue = 100D;
//创建时序图对象
timeseries = new TimeSeries("Random Data",TimeSeriesDemo1.class$org$jfree$data$time$Millisecond != null ? TimeSeriesDemo1.class$org$jfree$data$time$Millisecond : (TimeSeriesDemo1.class$org$jfree$data$time$Millisecond = TimeSeriesDemo1.getClass("org.jfree.data.time.Millisecond")));
TimeSeriesCollection timeseriescollection = new TimeSeriesCollection(timeseries);
//创建图表面板
ChartPanel chartpanel = new ChartPanel(createChart(timeseriescollection));
chartpanel.setPreferredSize(new Dimension(500,270));
JPanel jpanel = new JPanel();
jpanel.setBorder(BorderFactory.createEmptyBorder(4,4,4,4));//边距为4
JButton jbutton = new JButton("退出");
jbutton.setActionCommand("EXIT");
jbutton.addActionListener(this);
jpanel.add(jbutton);
getContentPane().add(chartpanel);
getContentPane().add(jpanel,"South");
}
private JFreeChart createChart(XYDataset xydataset){
JFreeChart jfreechart = ChartFactory.createTimeSeriesChart("时序图例子","时间","温度值",xydataset,true,true,false);
XYPlot xyplot = jfreechart.getXYPlot();
//纵坐标设定
ValueAxis valueaxis = xyplot.getDomainAxis();
valueaxis.setAutoRange(true);
valueaxis.setFixedAutoRange(60000D);
valueaxis = xyplot.getRangeAxis();
valueaxis.setRange(0.0D,200D);
return jfreechart;
}
static Class getClass(String s){
Class cls = null;
try{
cls = Class.forName(s);
}catch(ClassNotFoundException cnfe){
throw new NoClassDefFoundError(cnfe.getMessage());
}
return cls;
}
}
import java.awt.Dimension;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.*;
import java.io.PrintStream;
//导入jfreechart包(chart)
import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.axis.ValueAxis;
import org.jfree.chart.plot.XYPlot;
//导入jfreechart包(data)
import org.jfree.data.time.*;
import org.jfree.data.xy.XYDataset;
//导入jfreechart包(ui)
import org.jfree.ui.ApplicationFrame;
import org.jfree.ui.RefineryUtilities;
public class TimeSeriesDemo1 extends JFrame implements Runnable,ActionListener{
//时序图数据集
private TimeSeries timeseries;
//Value坐标轴初始值
private double lastValue;
static Class class$org$jfree$data$time$Millisecond;
static Thread thread1;
public static void main(String[] args){
TimeSeriesDemo1 TimeSeriesDemo1 = new TimeSeriesDemo1();
TimeSeriesDemo1.pack();
RefineryUtilities.centerFrameOnScreen(TimeSeriesDemo1);
TimeSeriesDemo1.setVisible(true);
startThread();
}
public void run(){
while(true){
try{
//根据实际需要在此处加入需要执行的代码
double d = 0.9D + 0.2D * Math.random();
lastValue = lastValue * d;
Millisecond millisecond = new Millisecond();
System.out.println("Now=" + millisecond.toString());
timeseries.add(millisecond, lastValue);
Thread.sleep(300);
}catch(InterruptedException e){}
}
}
public static void startThread(){
thread1.start();
}
public void actionPerformed(ActionEvent e){
if(e.getActionCommand().equals("EXIT")){
thread1.destroy();
System.exit(0);
}
}
public TimeSeriesDemo1(){
//super(new BorderLayout());
thread1 = new Thread(this);
lastValue = 100D;
//创建时序图对象
timeseries = new TimeSeries("Random Data",TimeSeriesDemo1.class$org$jfree$data$time$Millisecond != null ? TimeSeriesDemo1.class$org$jfree$data$time$Millisecond : (TimeSeriesDemo1.class$org$jfree$data$time$Millisecond = TimeSeriesDemo1.getClass("org.jfree.data.time.Millisecond")));
TimeSeriesCollection timeseriescollection = new TimeSeriesCollection(timeseries);
//创建图表面板
ChartPanel chartpanel = new ChartPanel(createChart(timeseriescollection));
chartpanel.setPreferredSize(new Dimension(500,270));
JPanel jpanel = new JPanel();
jpanel.setBorder(BorderFactory.createEmptyBorder(4,4,4,4));//边距为4
JButton jbutton = new JButton("退出");
jbutton.setActionCommand("EXIT");
jbutton.addActionListener(this);
jpanel.add(jbutton);
getContentPane().add(chartpanel);
getContentPane().add(jpanel,"South");
}
private JFreeChart createChart(XYDataset xydataset){
JFreeChart jfreechart = ChartFactory.createTimeSeriesChart("时序图例子","时间","温度值",xydataset,true,true,false);
XYPlot xyplot = jfreechart.getXYPlot();
//纵坐标设定
ValueAxis valueaxis = xyplot.getDomainAxis();
valueaxis.setAutoRange(true);
valueaxis.setFixedAutoRange(60000D);
valueaxis = xyplot.getRangeAxis();
valueaxis.setRange(0.0D,200D);
return jfreechart;
}
static Class getClass(String s){
Class cls = null;
try{
cls = Class.forName(s);
}catch(ClassNotFoundException cnfe){
throw new NoClassDefFoundError(cnfe.getMessage());
}
return cls;
}
}
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