JAVA: GUI Implementation of the Forward Intersection Algorithm

Source: Internet
Author: User
Tags acos

JAVA: GUI Implementation of the Forward Intersection Algorithm

Compiling environment:

Operating System: Win8.1 64-bit

IDE platform: Visual Studio 2013 Ultimate

I. principles and steps


Ii. Code Implementation

Forward rendezvous. java

Package text; import java. awt. *; import java. awt. event. *; import java. math. *; import javax. swing. *; import javax. swing. border. border;/*** A frame with sample text components. */public class: The frontend intersection is extends JFrame {public static final int TEXTAREA_ROWS = 20; public static final int TEXTAREA_COLUMNS = 40; public distance from frontend 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"); final JTextField C_X = new JTextField ("37163"); final JTextField C_Y = new JTextField ("16046 "); JPanel northPanel = new JPanel (); final JTextField DAP = new JTextField ("200"); final JTextField DBP = new JTextField ("200 "); final JTextField DCP = new JTextField ("200"); JPanel WestPanel = new JPanel (); JLabel pic = new JLabel (); pic. setIcon (new ImageIcon ("G:/workplace/Forward Intersection/2.png"); WestPanel. add (pic); getContentPane (). add (WestPanel, BorderLayout. WEST); JPanel northPane2 = new JPanel (); // distance from the frontend intersection northPane2.setLayout (new GridLayout (3, 8); northPane2.add (new JLabel ("A_X:", SwingConstants. CENTER); northPane2.add (A_X); northPane2.add (new JLabel ("A_Y:", SwingConstants. CENTER); northPane2.add (A_Y); northPane2.add (new JLabel ("B _X:", SwingConstants. CENTER); northPane2.add (B _X); northPane2.add (new JLabel ("B _Y:", SwingConstants. CENTER); northPane2.add (B _Y); northPane2.add (new JLabel ("C_X:", SwingConstants. CENTER); northPane2.add (C_X); northPane2.add (new JLabel ("C_Y:", SwingConstants. CENTER); northPane2.add (C_Y); northPane2.add (new JLabel ("DAP:", SwingConstants. CENTER); northPane2.add (DAP); northPane2.add (new JLabel ("DBP:", SwingConstants. CENTER); northPane2.add (DBP); northPane2.add (new JLabel ("DCP:", SwingConstants. CENTER); northPane2.add (DCP); Border etched = BorderFactory. createEtchedBorder (); Border titled = BorderFactory. createTitledBorder (etched, "Forward Intersection"); northPanel. setBorder (titled); getContentPane (). add (northPane2, 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 JPanel southPanel = new JPanel (); JButton insertButton = new JButton (" pp "); insertButton. addActionListener (new ActionListener () {public void actionreceivmed (ActionEvent event) {// initialize the Double X1 = Double coordinate. 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 (); Double D_AP = Double. valueOf (DAP. getText ()). doubleValue (); Double D_BP = Double. valueOf (DBP. getText ()). doubleValue (); Double D_CP = Double. valueOf (DCP. getText ()). doubleValue (); // A, B, P Double D_ AB = Math. sqrt (Math. pow (X1-X2), 2) + Math. pow (Y1-Y2), 2); Double α _ BAP = Math. acos (D_ AB * D_ AB + D_AP * D_AP-D_BP * D_BP)/(2 * D_ AB * D_AP); // Double α _ ABP = Math. acos (D_ AB * D_ AB + D_BP * D_BP-D_AP * D_AP)/2 * D_ AB * D_BP); Double α _ AB = 90-Math.atan (Math. abs (Y2-Y1)/Math. abs (X2-X1); Double α _ AP = α _ AB-α _ BAP; 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 α _ white = Math. acos (D_BC * D_BC + D_BP * D_BP-D_CP * D_CP)/(2 * D_BC * D_BP); // Double α _ BCP = Math. acos (D_BC * D_BC + D_CP * D_CP-D_BP * D_BP)/2 * D_BC * D_CP); Double α _ BC = 90-Math.atan (Math. abs (Y2-Y3)/Math. abs (X2-X3); Double α _ BP = α _ BC-α _ white; Double XP2 = X1 + D_BP * Math. cos (α _ BP); Double YP2 = Y1 + D_BP * Math. sin (α _ BP); textArea. append ("= Forward Intersection =" + "\ n" + "reference value 1:" + "(" + XP1 + ", "+ YP1 +") "+" \ n "+" reference value 2: "+" ("+ XP2 +", "+ YP2 + ") "+" \ n "+" error distance: "+ Math. round (miss (XP1, YP1, XP2, YP2) + "meter");} 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. *; public class Test {public static void main (String [] args) {EventQueue. invokeLater (new Runnable () {public void run () {JFrame frame = new distance Forward Intersection (); frame. setTitle ("forward corner"); frame. setdefaclocloseoperation (JFrame. EXIT_ON_CLOSE); frame. setVisible (true );}});}}

Iii. Running results



Download: JAVA project package for Forward Intersection Algorithm



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