JAVA: Perspective intersection algorithm GUI implementation

Compilation Environment:

Operating system: Win8.1 64-bit

IDE platform: Visual Studio Ultimate

First, principle and procedure

Second, the Code implementation

Angle ahead intersection. java

Package Text;import Java.awt.*;import Java.awt.event.*;import java.math.*;import javax.swing.*;import Javax.swing.border.border;public class Angle forward Rendezvous extends jframe{   public static final int textarea_rows = 20;&nbs p;  public static final int textarea_columns = 40;    Public Angle Forward Rendezvous ()    {      final JTextField a_x = new JTextField ("37477") ;      final JTextField a_y = new JTextField ("16307");      final JTextField b_x = new JTextField ("37327");      final JTextField b_y = new JTextField ("16078"); nbsp;         final JTextField c_x = new JTextField ("37163");       final JTextField c_y = new JTextField ("16046");      final jtextfieldα1 = new Jtext Field ("40°41");      final jtextfieldβ1 = new JTextField ("75°19");       final jtextfieldα2 = new JTextField ("58°11");      final jtextfieldβ2 = new JTextField ("69°6"); &n bsp;     JPanel Northpanel = new JPanel ();      final JTextField DAP = new J TextField ();      final JTextField DBP = new JTextField ();      JPanel Westpanel = new JPanel ();      JLabel pic= New JLabel ();      Pic.seticon (New ImageIcon ("g:/workplace/Angle Forward Rendezvous/1.png"));      westpanel.add (pic);       Getcontentpane (). Add (Westpanel, borderlayout.west);//angle forward intersection        Northpanel.setlayout (New GridLayout (2));      Northpanel.add (New JLabel ("A_x:", Swingconstants.center));      Northpanel.add (a_x);      Northpanel.add (New JLabel ("A_y:", Swingconstants.center));       Northpanel.add (a_y);      Northpanel.add (New JLabel ("b_x:", Swingconstants.center ));      Northpanel.add (b_x);      NorthPanel.add (New JLabel ("B _y: ", Swingconstants.center));      Northpanel.add (b_y);      Northpanel.add (New JLabel ("c_x:", Swingconstants.center));      Northpanel.add (C_X);       Northpanel.add (New JLabel ("C_y:", Swingconstants.center));       Northpanel.add (c_y);      Northpanel.add (New JLabel ("Alpha 1:", Swingconstants.center)) ;      Northpanel.add (α1);      NorthPanel.add (New JLabel ("Beta 1:" , Swingconstants.center));      Northpanel.add (β1);      Northpanel.add (New JLabel ("Alpha 2:", Swingconstants.center));      Northpanel. Add (α2);      Northpanel.add (New JLabel ("Beta 2:", Swingconstants.center));       Northpanel.add (β2);      Border etched = Borderfactory.createetchedborder ();      Border titled = Borderfactory.createtitledborder (Etched, "angle ahead Rendezvous");      Northpanel.setborder (titled);      Getcontentpane (). Add (Northpanel, Borderlayout.north);             Final JTextArea TextArea = new JTextArea (20,40);      jscrollpane scrollPane = new Jscrol Lpane (TextArea);      Getcontentpane (). Add (ScrollPane, Borderlayout.center);       //Add button to append text into the text area      JPanel Southpanel = New JPanel ();      JButton Insertbutton = new JButton ("Calculate p-point coordinates");       inSertbutton.addactionlistener (New ActionListener ()          {             public void actionperformed (ActionEvent event)              {         / /coordinate initialization                 double x1= Double.valueof (A_x.gettext ()). Doublevalue ();                 double y1=double.valueof (A_y.gettext ()). Doublevalue ();                 double x2=double.valueof (B_x.gettext ()). Doublevalue ();                 double y2=double.valueof (b_ Y.gettext ()). Doublevalue ();                double X3=doUble.valueof (C_x.gettext ()). Doublevalue ();                 double y3=double.valueof (C_y.gettext ()). Doublevalue ();                                 doubleα_1=convert (Α1.gettext ());                 doubleβ_1=convert (Β1.gettext ());                 doubleα_2=convert (Α2.gettext ());                 doubleβ_2=convert (Β2.gettext ());                          //a, B, P                     &NBsp;double d_ab=math.sqrt (Math.pow (X1-X2), 2) +math.pow ((Y1-y2), 2));                 double d_ap=d_ab*math.sin (β_1)/math.sin (α_1+β_1);                 doubleα_ab=90-math.atan (Math.Abs (y2-y1)/ Math.Abs (x2-x1));                doubleα_ ap=α_ab-α_1;                double XP1=X1+D _ap*math.cos (Α_AP);                Double Yp1=y1+d_ap*math.sin (Α_AP);                         //b, C, p                 double d_bc=math.sqrt (Math.pow (X3-X2), 2) +math.pow ((Y3-y2), 2));                 double d_bp=d_bc*math.sin (β_2)/ Math.sin (α_2+β_2);                doubleα_ Bc=math.atan (Math.Abs (y2-y3)/math.abs (x2-x3));                Doubleα_BP=α_BC-α_2;                 double Xp2=x2+d_bp*math.cos (Α_BP);                 double yp2=y1+d_bp*math.sin (Α_BP);                                  textarea.append ("===== angle forward intersection = = =" + "\ n" + "reference value 1:" + "(" +xp1+ "," +yp1+ ")"                           +  "\ n" + "reference value 2:" + "(" +xp2+ "," +yp2+ ")"                          +  "\ n" + "error distance approx:" +math.round (Miss ( XP1,YP1,XP2,YP2) + "M");                // Textarea.append ("Test:" +β_2);           }             public double Miss (double xp1,double yp1,double xp2,double YP2 ) {                return math.sqrt (Math.pow ((XP1-XP2), 2) +math.pow ((YP1-YP2), 2));           }             public double convert (String input) {                 double a=double.valueof (Input.split ("°") [0]). Doublevalue ();                 Double b=double.valueof (Input.split ("°") [1].split ("'") [0]). Doublevalue ();                 return a+b/60;            }        });     Add (Insertbutton , Borderlayout.south);      pack ();  }}

test.java

Package Text;import Java.awt.*;import javax.swing.*;p ublic class test{   public static void Main (string[] args )    {      Eventqueue.invokelater (New Runnable ()           {            public void run ()              {                JFrame frame = new angle Forward rendezvous ();                frame.settitle ("Angle Ahead Rendezvous");                frame.setdefaultcloseoperation (jframe.exit_on_close);                frame.setvisible (True);            }        });  }} 

Iii. Results of operation

JAVA: Perspective intersection algorithm GUI implementation