jtrackergui.java

该代码仿真了雷达信号图像中目标的跟踪算法,采用了java编写的

					ymax = Math.max(ymax, sensorYmeter);
					ymin = Math.min(ymin, sensorYmeter);

					animating = true;
					paused = false;
					startThread();
				}
			}
		}

	}

private class LeftPanel extends JPanel
	{
		public JTextField Qin, Xin, Yin, Xvel, Yvel, Xsensor, Ysensor, MCIter, Timestep, Npart;
		public JComboBox DeltaT;
		public JButton startButton, clearButton;
		public JLabel Seperator;


		public LeftPanel()
		{
			Qin = new JTextField("10");
			Xin = new JTextField("500, 500");
			Yin = new JTextField("10, 10, 1");
			Xvel = new JTextField("-30");
			Yvel = new JTextField("-30");
			Xsensor = new JTextField("0");
			Ysensor = new JTextField("0");
			MCIter = new JTextField("2");
			Timestep = new JTextField("50");
			Npart = new JTextField("1000");
			DeltaT = new JComboBox();
			startButton = new JButton();
			clearButton = new JButton();
/*
			Qin.setToolTipText("Set the noise/interference from the sensor.");
			Xin.setToolTipText("Initial coordinates of the target in meters: x, y.");
			Yin.setToolTipText("Standard deviation of sensor error: range (m), range rate (m/s), angle (degrees).");
			Xvel.setToolTipText("The target's horizontal velocity. (meters/sec)");
			Yvel.setToolTipText("The target's vertical velocity. (meters/sec)");
			Xsensor.setToolTipText("Horizontal position of the sensor location. (meters)");
			Ysensor.setToolTipText("Vertical position of the sensor location. (meters)");
			MCIter.setToolTipText("Numer of Monte Carlo iterations for the simulation.");
			Timestep.setToolTipText("Number of time increments per MC iteration");
			Npart.setToolTipText("Number of Monte Carlo samples");
			DeltaT.setToolTipText("Length of each increment (seconds)");
			startButton.setToolTipText("Click Button to start tracking simulation.");
			clearButton.setToolTipText("Click Button to reset to defaults.");
*/
			DeltaT.addItem("1 sec");
			DeltaT.addItem("2 sec");
			DeltaT.addItem("3 sec");
			DeltaT.addItem("4 sec");
			DeltaT.setBackground(new Color(10, 238, 99));
			DeltaT.setPreferredSize(new Dimension(50, 18));
			Seperator = new JLabel();

			Xin.setPreferredSize(new Dimension(105, 22));
			Yin.setPreferredSize(new Dimension(105, 22));
			Xvel.setPreferredSize(new Dimension(105, 22));
			Yvel.setPreferredSize(new Dimension(105, 22));
			Xsensor.setPreferredSize(new Dimension(105, 24));
			Ysensor.setPreferredSize(new Dimension(105, 24));
			MCIter.setPreferredSize(new Dimension(105, 18));
			Seperator.setPreferredSize(new Dimension(105, 40));
			Qin.setPreferredSize(new Dimension(105, 18));
			Timestep.setPreferredSize(new Dimension(105, 18));
			Npart.setPreferredSize(new Dimension(105, 18));
			DeltaT.setPreferredSize(new Dimension(105, 18));
			startButton.setPreferredSize(new Dimension(100,55));


			Xin.addActionListener(new XinListener());
			Yin.addActionListener(new YinListener());
			Xsensor.addActionListener(new XsensorListener());
			Ysensor.addActionListener(new YsensorListener());

			Ysensor.addMouseListener(new Ysmouse());
			Xin.addMouseListener(new Xinmouse());
			Yin.addMouseListener(new Yinmouse());
			Xvel.addMouseListener(new Xvelmouse());
			Yvel.addMouseListener(new Yvelmouse());
			Xsensor.addMouseListener(new Xsmouse());
			MCIter.addMouseListener(new MCmouse());
			Qin.addMouseListener(new Qinmouse());
			Timestep.addMouseListener(new Timemouse());
			Npart.addMouseListener(new Npartmouse());
			DeltaT.addMouseListener(new Deltamouse());


			Icon starticon = new ImageIcon( getClass().getResource("startbutton.JPG"));
			startButton.setIcon(starticon);

	//		startButton = new JButton("Start");
			clearButton = new JButton("Reset");
			startButton.addActionListener(new startListener());
			clearButton.addActionListener(new clearListener());

			startButton.addMouseListener(new starmouse());
			clearButton.addMouseListener(new clearmouse());

			setLayout(new FlowLayout(FlowLayout.CENTER, 5, 5));
			add(Xin, 0);
			add(Yin, 1);
			add(Xvel, 2);
			add(Yvel, 3);
			add(Xsensor, 4);
			add(Ysensor, 5);
			add(Seperator, 6); //add some space between the path and particle filter inputs
			add(MCIter, 7);
			add(Qin, 8);
			add(Npart, 9);
			add(Timestep, 10);
			add(DeltaT, 11);
			add(startButton, 12);
			add(clearButton, 13);
		}
	}

	private class Ysmouse implements MouseListener
	{

			public void mousePressed(MouseEvent e) {}
			public void mouseReleased(MouseEvent e) {}
			public void mouseClicked(MouseEvent e) {}
			public void mouseEntered(MouseEvent e)
			{
				helpinfo.setText("Vertical position of the sensor location. (meters)");
			}
			public void mouseExited(MouseEvent e) {}

	}
	private class Xsmouse implements MouseListener
	{

			public void mousePressed(MouseEvent e) {}
			public void mouseReleased(MouseEvent e) {}
			public void mouseClicked(MouseEvent e) {}
			public void mouseEntered(MouseEvent e)
			{
				helpinfo.setText("Horizontal position of the sensor location. (meters)");
			}
			public void mouseExited(MouseEvent e) {}

	}
	private class Xinmouse implements MouseListener
	{

			public void mousePressed(MouseEvent e) {}
			public void mouseReleased(MouseEvent e) {}
			public void mouseClicked(MouseEvent e) {}
			public void mouseEntered(MouseEvent e)
			{
				helpinfo.setText("Initial coordinates of the target in meters: x, y");
			}
			public void mouseExited(MouseEvent e) {}

	}
	private class Yinmouse implements MouseListener
	{

			public void mousePressed(MouseEvent e) {}
			public void mouseReleased(MouseEvent e) {}
			public void mouseClicked(MouseEvent e) {}
			public void mouseEntered(MouseEvent e)
			{
				helpinfo.setText("Standard deviation of sensor error: range (m), range rate (m/s), angle (degrees)");
			}
			public void mouseExited(MouseEvent e) {}

	}
	private class Xvelmouse implements MouseListener
	{

			public void mousePressed(MouseEvent e) {}
			public void mouseReleased(MouseEvent e) {}
			public void mouseClicked(MouseEvent e) {}
			public void mouseEntered(MouseEvent e)
			{
				helpinfo.setText("The target's horizontal velocity. (meters/sec)");
			}
			public void mouseExited(MouseEvent e) {}

	}
	private class Yvelmouse implements MouseListener
	{

			public void mousePressed(MouseEvent e) {}
			public void mouseReleased(MouseEvent e) {}
			public void mouseClicked(MouseEvent e) {}
			public void mouseEntered(MouseEvent e)
			{
				helpinfo.setText("The target's vertical velocity. (meters/sec)");
			}
			public void mouseExited(MouseEvent e) {}

	}
	private class MCmouse implements MouseListener
	{

			public void mousePressed(MouseEvent e) {}
			public void mouseReleased(MouseEvent e) {}
			public void mouseClicked(MouseEvent e) {}
			public void mouseEntered(MouseEvent e)
			{
				helpinfo.setText("Numer of Monte Carlo iterations for the simulation.");
			}
			public void mouseExited(MouseEvent e) {}

	}
	private class Timemouse implements MouseListener
	{

			public void mousePressed(MouseEvent e) {}
			public void mouseReleased(MouseEvent e) {}
			public void mouseClicked(MouseEvent e) {}
			public void mouseEntered(MouseEvent e)
			{
				helpinfo.setText("Number of time increments per MC iteration");
			}
			public void mouseExited(MouseEvent e) {}

	}
	private class Deltamouse implements MouseListener
	{

			public void mousePressed(MouseEvent e) {}
			public void mouseReleased(MouseEvent e) {}
			public void mouseClicked(MouseEvent e) {}
			public void mouseEntered(MouseEvent e)
			{
				helpinfo.setText("Length of each increment (seconds)");
			}
			public void mouseExited(MouseEvent e) {}

	}
	private class Npartmouse implements MouseListener
	{

			public void mousePressed(MouseEvent e) {}
			public void mouseReleased(MouseEvent e) {}
			public void mouseClicked(MouseEvent e) {}
			public void mouseEntered(MouseEvent e)
			{
				helpinfo.setText("Number of Monte Carlo samples");
			}
			public void mouseExited(MouseEvent e) {}

	}
	private class Qinmouse implements MouseListener
	{

			public void mousePressed(MouseEvent e) {}
			public void mouseReleased(MouseEvent e) {}
			public void mouseClicked(MouseEvent e) {}
			public void mouseEntered(MouseEvent e)
			{
				helpinfo.setText("Set the noise/interference from the path.");
			}
			public void mouseExited(MouseEvent e) {}

	}
	private class starmouse implements MouseListener
	{

			public void mousePressed(MouseEvent e) {}
			public void mouseReleased(MouseEvent e) {}
			public void mouseClicked(MouseEvent e) {}
			public void mouseEntered(MouseEvent e)
			{
				helpinfo.setText("Click Button to Start Tracking Simulation");
			}
			public void mouseExited(MouseEvent e) {}

	}
	private class clearmouse implements MouseListener
	{

			public void mousePressed(MouseEvent e) {}
			public void mouseReleased(MouseEvent e) {}
			public void mouseClicked(MouseEvent e) {}
			public void mouseEntered(MouseEvent e)
			{
				helpinfo.setText("Click Button to Reset to Defaults.");
			}
			public void mouseExited(MouseEvent e) {}

	}
	private class startListener implements ActionListener
	{

		private String tryString;
		public void actionPerformed (ActionEvent event)
		{
			animator = null;
			paused = false;
			frame = 0;
			tryString = lp.MCIter.getText();
			success = false;
			while(!success)
			{
				try
				{
					niter = Integer.parseInt(tryString);
				}
				catch (NumberFormatException exception)
				{
					dialogInput = JOptionPane.showInputDialog(null,"Please reenter the number of iterations.","Invalid MC iterations",JOptionPane.ERROR_MESSAGE, null, null, tryString);
					try{tryString = dialogInput.toString();}
					catch(NullPointerException e){}
					continue;
				}
				success=true;
			}
			lp.MCIter.setText(Integer.toString(niter));

			MC = niter;

			tryString = lp.Xvel.getText();
			success = false;
			while(!success)
			{
				try
				{
					xvelocity = Double.parseDouble(tryString);
				}
				catch (NumberFormatException exception)
				{
					dialogInput = JOptionPane.showInputDialog(null,"Please reenter x velocity.","Invalid x velocity",JOptionPane.ERROR_MESSAGE, null, null, tryString);
					try{tryString = dialogInput.toString();}
					catch(NullPointerException e){}
					continue;
				}
				success=true;
			}
			lp.Xvel.setText(Double.toString(xvelocity));


			tryString = lp.Yvel.getText();
			success = false;
			while(!success)
			{
				try
				{
					yvelocity = Double.parseDouble(tryString);
				}
				catch (NumberFormatException exception)
				{
					dialogInput = JOptionPane.showInputDialog(null,"Please reenter y velocity.","Invalid y velocity",JOptionPane.ERROR_MESSAGE, null, null, tryString);
					try{tryString = dialogInput.toString();}
					catch(NullPointerException e){}
					continue;
				}
				success=true;
			}
			lp.Yvel.setText(Double.toString(yvelocity));

			tryString = lp.Qin.getText();
			success = false;
			while(!success)
			{
				try
				{
					Qval = Double.parseDouble(tryString);
				}
				catch (NumberFormatException exception)
				{
					dialogInput = JOptionPane.showInputDialog(null,"Please reenter Q (noise intensity).","Invalid Q value",JOptionPane.ERROR_MESSAGE, null, null, tryString);
					try{tryString = dialogInput.toString();}
					catch(NullPointerException e){}
					continue;
				}
				success=true;
			}
			lp.Qin.setText(Double.toString(Qval));

			tryString = lp.Xsensor.getText();
			success = false;
			while(!success)
			{
				try
				{
					sensorXmeter = Double.parseDouble(tryString);
				}
				catch (NumberFormatException exception)
				{
					dialogInput = JOptionPane.showInputDialog(null,"Please reenter sensor x position.","Invalid Sensor X",JOptionPane.ERROR_MESSAGE, null, null, tryString);
					try{tryString = dialogInput.toString();}
					catch(NullPointerException e){}
					continue;
				}
				success=true;
			}
			lp.Xsensor.setText(Double.toString(sensorXmeter));

			tryString = lp.Ysensor.getText();
			success = false;
			while(!success)
			{
				try
				{
					sensorYmeter = Double.parseDouble(tryString);
				}
				catch (NumberFormatException exception)
				{
					dialogInput = JOptionPane.showInputDialog(null,"Please reenter sensor y position.","Invalid Sensor Y",JOptionPane.ERROR_MESSAGE, null, null, tryString);
					try{tryString = dialogInput.toString();}
					catch(NullPointerException e){}
					continue;
				}
				success=true;
			}
			lp.Ysensor.setText(Double.toString(sensorYmeter));

			tryString = lp.Npart.getText();
			success = false;
			while(!success)
			{
				try
				{
					numParts = Integer.parseInt(tryString);
				}
				catch (NumberFormatException exception)
				{
					dialogInput = JOptionPane.showInputDialog(null,"Please reenter the number of particles.","Invalid number of particles",JOptionPane.ERROR_MESSAGE, null, null, tryString);
					try{tryString = dialogInput.toString();}
					catch(NullPointerException e){}
					continue;
				}
				success=true;
			}
			lp.Npart.setText(Integer.toString(numParts));

			tryString = lp.Timestep.getText();
			success = false;
			while(!success)
			{
				try
				{
					length = Integer.parseInt(tryString);
				}
				catch (NumberFormatException exception)
				{
					dialogInput = JOptionPane.showInputDialog(null,"Please reenter the number of time steps.","Invalid number of time steps",JOptionPane.ERROR_MESSAGE, null, null, tryString);
					try{tryString = dialogInput.toString();}
					catch(NullPointerException e){}
					continue;
				}
				success=true;
			}
			lp.Timestep.setText(Integer.toString(length));


			deltaT=lp.DeltaT.getSelectedIndex()+1;
			fps = 1.0/deltaT;
			pathErrorPanel.error=new double[length];
			measErrorPanel.error=new double[length];
			ploterror=false;
			pathErrorPanel.repaint();
			measErrorPanel.repaint();



			tokenizer = new StringTokenizer(lp.Xin.getText(),"(), ", false);

			token = (tokenizer.hasMoreTokens()) ? tokenizer.nextToken() : "x position";

			success = false;
			while(!success)
			{
				try
				{
					xin=Double.parseDouble(token);