JAVA: Angle-of-intersection algorithm GUI implementation

Compilation Environment:

Operating system: Win8.1 64-bit

IDE platform: Visual Studio Ultimate

First, the principle

Second, the Code implementation

Angle behind the 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 rear intersection extends jframe{   public static final int textarea_rows = 20;&nbs p;  public static final int textarea_columns = 40;    Public angle rear intersection ()    {      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 jtextfieldα_1 = new Jtex Tfield ("40°41");      final jtextfieldβ_1 = new JTextField ("75°19");       finAl jtextfieldγ_1 = new JTextField ("58°11");      final JTextField r_a = new JTextField ("200");       final JTextField r_b = new JTextField ("$");      final JTextField r_c = new JTextField ("$");      JPanel Northpanel = new JPanel ();       JPanel Westpanel = new JPanel ();      JLabel pic= New JLabel ();       Pic.seticon (New ImageIcon ("g:/workplace/angle rear intersection/3.png"));      Westpanel.add (pic);      Getcontentpane (). Add (Westpanel, borderlayout.west);//Angle forward intersection       northpanel.setlayout (New GridLayout (2, 6));      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: ", Swingconstants.center));      Northpanel.add (α_1);      Northpanel.add (New JLabel ("Beta:", swingconstants.center));      Northpanel.add (β_1);       Northpanel.add (New JLabel ("Gamma:", Swingconstants.center));     Northpanel.add (γ_1);      Northpanel.add (New JLabel ("RA:", Swingconstants.center));       Northpanel.add (r_a);      Northpanel.add (New JLabel ("RB:" , Swingconstants.center));      Northpanel.add (r_b);      Northpanel.add (New JLabel ("RC:", Swingconstants.center));      Northpanel.add (R_C);       Border etched = Borderfactory.createetchedborder ();      Border titled = Borderfactory.createtitledborder (Etched, "angle-behind intersection");      Northpanel.setborder (titled);      Getcontentpane (). Add (Northpanel, BorderLayout.NORTH) ;            final JTextArea textArea = new JTextArea (20,40);       JScrollPane ScrollPane = new JScrollPane (TextArea);      GetcontentpanE (). Add (ScrollPane, Borderlayout.center);     //Add button to append text into the text area&n bsp;     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=convert (Α_1.gettext ());                 doubleβ=convert (Β_1.gettext ());                 doubleγ=convert (Γ_1.gettext ());                                Double ra=double.valueof (R_a.gettext ()). Doublevalue ();                 double rb=double.valueof (R_b.gettext ()). Doublevalue ();                 double rc=double.valueof (R_c.gettext ()). Doublevalue ();         //a, B, P                       double d_ab=math.sqrt (Math.pow (X1-X2), 2) + Math.pow ((Y1-y2), 2));                 Doubleα_ab=math.atan (Math.Abs (y1-y2)/math.abs (x1-x2));                 doubleα_21=math.asin (Ra*math.sin (α)/d_ab);                 Doubleα_11=α_AB-α_21;                 double Xp1=x3+rc*math.cos (α_11);                 double yp1=y3+rc*math.sin (α_11);                          //b, C, P                 double d_bc=math.sqrt ( Math.pow ((X3-X2), 2) +math.pow ((Y3-y2), 2);                 doubleα_bc=math.atan (Math.Abs (y2-y3)/math.abs (x2-x3));                 doubleα_22=math.asin (Rb*math.sin (α)/D_BC);                 Doubleα_12=α_BC-α_22;                 double Xp2=x3+rc*math.cos (Α_12);                 double yp2=y3+rc*math.sin (Α_12);                                  textarea.append ("===== angle" + "\ n" + "reference value 1:" + "(" +xp1+ "," +yp1 + ")"                          +  "\ n" + "reference value 2:" + "(" +xp2+ "," +yp2+ ")"                          +   "\ n" + "error distance approx:" +math.round (Miss (XP1,YP1,XP2,YP2)) + "M");            }            public double Miss (double Xp1,double yp1,double xp2,double YP2) {                &Nbsp;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 rear intersection ();                Frame.settitle ("angled rear intersection");                frame.setdefaultcloseoperation (jframe.exit_on_close);                frame.setvisible (True);            }        });  }} 

Iii. Results of operation

Download: Angle intersection algorithm Java Project package

JAVA: Angle-of-intersection algorithm GUI implementation