Java Lab \" View for Wind Correction Angle\" Need help with the following the ja

Question

Java Lab "View for Wind Correction Angle"

Need help with the following the java code, please help me! Thank you!!

import java.awt.*;
import javax.swing.*;

public class E6Bview extends JFrame
{
public E6Bview()
{
super( "E6B" );

JTabbedPane e6bTab = new JTabbedPane();

// add tabs to e6bTab
e6bTab.addTab( "Density Altitude", null, new DensityAltView(), "");

add( e6bTab );

setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setSize(300,200);
setVisible(true);
}

public static void main(String[] args)
{
E6Bview e6bv = new E6Bview();
}
}

-----------------------------------------------------------------------------------------------------------------------------------------

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

public class DensityAltView extends JPanel
{
private JTextField tfStationPressure;
private JTextField tfStationTempF;
private JTextField tfAirfieldAlt;
private JButton bCalc;
private JLabel lblDensityAlt;

public DensityAltView()
{
setLayout( new GridLayout( 4,2, 2,2 ) );

add( new JLabel("Station Pressure (inHg)") );
tfStationPressure = new JTextField("29.95");
add( tfStationPressure );

add( new JLabel("Station Temperature (F)") );
tfStationTempF = new JTextField("59");
add( tfStationTempF );

add( new JLabel("Elevation (ft)") );
tfAirfieldAlt = new JTextField("0");
add( tfAirfieldAlt );

bCalc = new JButton( "Density Altitude" );
add( bCalc );
// connect button to handler here


lblDensityAlt = new JLabel( "unknown" );
lblDensityAlt.setBorder( BorderFactory.createLineBorder(Color.black) );
add( lblDensityAlt );
}// constuctor end


}// end class




/*

   private class ButtonHandler implements ActionListener
   {
   public void actionPerformed(ActionEvent ae)
   {
   double sp = Double.parseDouble( tfStationPressure.getText() );
   double st = Double.parseDouble( tfStationTempF.getText() );
   double aa = Double.parseDouble( tfAirfieldAlt.getText() );
  
   E6B e6b = new E6B(sp,st,aa, 0,0,0,0,0, 0, 0);
  
   String das = Double.toString( e6b.densityAltitude() );
  
   lblDensityAlt.setText( das );
   }
   } // end class buttonHandler
  
*/

------------------------------------------------------------------------------------------------------------------------------------------------------------------

E6B Lab Code

import java.util.Scanner;

public class E6BFlightComputer {

// instance variables

private double P;

private double T;

private double DA;

private int altitude;

private int IAS;

private double TAS;

private double w;

private double d;

private double Vw;

private double a;

private double Vg;

public E6BFlightComputer()

{

this.P = 0;

this.T = 0;

this.altitude = 0;

this.IAS = 0;

this.w = 0;

this.d = 0;

this.Vw = 0;

}

// parameterized constructor

public E6BFlightComputer(double p, double t, int altitude, int iAS, double w, double d, double vw)

{

P = p;

T = t;

this.altitude = altitude;

IAS = iAS;

this.w = w;

this.d = d;

Vw = vw;

calcDensityAltitude();

calcTrueAirSpeed();

calcWindCorrectionAngle();

calcGroundSpeed();

}

// getters and setters

public double getStationPressure() {

return P;

}

public double getStationTemperature() {

return T;

}

public double getDensityAltitude() {

return DA;

}

public int getAltitude() {

return altitude;

}

public int getIAS() {

return IAS;

}

public double getWindDirection() {

return w;

}

public double getDesiredCourse() {

return d;

}

public double getTrueAirSpeed() {

return TAS;

}

public double getWindSpeed() {

return Vw;

}

public double getGroundSpeed()

{

return this.Vg;

}

public void setStationPressureP(double p) {

P = p;

}

public void setStationTemperature(double t) {

T = t;

}

public void setAltitude(int altitude) {

this.altitude = altitude;

}

public void setIAS(int iAS) {

IAS = iAS;

}

public void setWindDirection(double w) {

this.w = w;

}

public void setDesiredCouse(double d) {

this.d = d;

}

public void setWindSpeed(double vw) {

Vw = vw;

}

private void calcDensityAltitude()

{

double temp = Math.pow( (17.326*this.P / (459.67 + this.T) ), 0.235 );

this.DA = 145442.16*(1 - temp);

}

private void calcTrueAirSpeed()

{

this.TAS = (double)this.IAS+(this.altitude/1000)*0.02*this.IAS;

}

private void calcWindCorrectionAngle()

{

this.a = Math.asin(this.Vw*Math.sin(this.w - this.d) / this.TAS);

}

private void calcGroundSpeed()

{

double d = Math.toRadians(this.d);

double w = Math.toRadians(this.w);

double a = Math.toRadians(this.a);

double temp = 2*this.TAS*this.Vw*Math.cos( d - w + a);

this.Vg = Math.sqrt( (this.TAS*this.TAS) + (this.Vw*this.Vw) - temp);

}

// main method

public static void main(String args[])

{

double stationP, stationT, airportE;

int aircraftA;

int Iairspeed;

double desiredC, windD, windS;

Scanner kybd = new Scanner(System.in);

System.out.print("Enter the station Pressure in Hg: ");

stationP = Double.parseDouble(kybd.nextLine());

System.out.print("Enter the station Temperature in F: ");

stationT = Double.parseDouble(kybd.nextLine());

System.out.print("Enter the aircraft altitude in feet: ");

aircraftA = Integer.parseInt(kybd.nextLine());

System.out.print("Enter the indicated airspeed in knots: ");

Iairspeed = Integer.parseInt(kybd.nextLine());

System.out.print("Enter the desired course: ");

desiredC = Double.parseDouble(kybd.nextLine());

System.out.print("Enter the wind direction: ");

windD = Double.parseDouble(kybd.nextLine());

System.out.print("Enter the wind speed in knots: ");

windS = Double.parseDouble(kybd.nextLine());

E6BFlightComputer FC = new E6BFlightComputer(stationP, stationT, aircraftA, Iairspeed,

windD, desiredC, windS);

System.out.printf("Density Altitude: .2f ", FC.getDensityAltitude());

System.out.println("True air speed: " + FC.getTrueAirSpeed());

System.out.println("Wind correction angle: " + FC.getTrueAirSpeed());

System.out.println("Ground speed: " + FC.getGroundSpeed());

}

}

Explanation / Answer

the code has modified

import java.awt.*;
import javax.swing.*;

public class E6Bview extends JFrame
{
public E6Bview()
{
super( "E6B" );

JTabbedPane e6bTab = new JTabbedPane();

// add tabs to e6bTab
e6bTab.addTab( "Density Altitude", null, new DensityAltView(), "");

add( e6bTab );

setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setSize(300,200);
setVisible(true);
}

public static void main(String[] args)
{
E6Bview e6bv = new E6Bview();
}
}
-----------------------------------------------------------------------------------------------------------------------------------------
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

public class DensityAltView extends JPanel
{
private JTextField tfStationPressure;
private JTextField tfStationTempF;
private JTextField tfAirfieldAlt;
private JButton bCalc;
private JLabel lblDensityAlt;

public DensityAltView()
{
setLayout( new GridLayout( 4,2, 2,2 ) );

add( new JLabel("Station Pressure (inHg)") );
tfStationPressure = new JTextField("29.95");
add( tfStationPressure );

add( new JLabel("Station Temperature (F)") );
tfStationTempF = new JTextField("59");
add( tfStationTempF );

add( new JLabel("Elevation (ft)") );
tfAirfieldAlt = new JTextField("0");
add( tfAirfieldAlt );

bCalc = new JButton( "Density Altitude" );
add( bCalc );
// connect button to handler here

lblDensityAlt = new JLabel( "unknown" );
lblDensityAlt.setBorder( BorderFactory.createLineBorder(Color.black) );
add( lblDensityAlt );
}// constuctor end

}// end class

/*

private class ButtonHandler implements ActionListener
{
public void actionPerformed(ActionEvent ae)
{
double sp = Double.parseDouble( tfStationPressure.getText() );
double st = Double.parseDouble( tfStationTempF.getText() );
double aa = Double.parseDouble( tfAirfieldAlt.getText() );
  
E6B e6b = new E6B(sp,st,aa, 0,0,0,0,0, 0, 0);
  
String das = Double.toString( e6b.densityAltitude() );
  
lblDensityAlt.setText( das );
}
} // end class buttonHandler
  
*/



------------------------------------------------------------------------------------------------------------------------------------------------------------------
E6B Lab Code
import java.util.Scanner;

public class E6BFlightComputer {

// instance variables

private double P;

private double T;

private double DA;

private int altitude;

private int IAS;

private double TAS;

private double w;

private double d;

private double Vw;

private double a;

private double Vg;

public E6BFlightComputer()

{

this.P = 0;

this.T = 0;

this.altitude = 0;

this.IAS = 0;

this.w = 0;

this.d = 0;

this.Vw = 0;

}

// parameterized constructor

public E6BFlightComputer(double p, double t, int altitude, int iAS, double w, double d, double vw)

{

P = p;

T = t;

this.altitude = altitude;

IAS = iAS;

this.w = w;

this.d = d;

Vw = vw;

calcDensityAltitude();

calcTrueAirSpeed();

calcWindCorrectionAngle();

calcGroundSpeed();

}

// getters and setters

public double getStationPressure() {

return P;

}

public double getStationTemperature() {

return T;

}

public double getDensityAltitude() {

return DA;

}

public int getAltitude() {

return altitude;

}

public int getIAS() {

return IAS;

}

public double getWindDirection() {

return w;

}

public double getDesiredCourse() {

return d;

}

public double getTrueAirSpeed() {

return TAS;

}

public double getWindSpeed() {

return Vw;

}

public double getGroundSpeed()

{

return this.Vg;

}

public void setStationPressureP(double p) {

P = p;

}

public void setStationTemperature(double t) {

T = t;

}

public void setAltitude(int altitude) {

this.altitude = altitude;

}

public void setIAS(int iAS) {

IAS = iAS;

}

public void setWindDirection(double w) {

this.w = w;

}

public void setDesiredCouse(double d) {

this.d = d;

}

public void setWindSpeed(double vw) {

Vw = vw;

}

private void calcDensityAltitude()

{

double temp = Math.pow( (17.326*this.P / (459.67 + this.T) ), 0.235 );

this.DA = 145442.16*(1 - temp);

}

private void calcTrueAirSpeed()

{

this.TAS = (double)this.IAS+(this.altitude/1000)*0.02*this.IAS;

}

private void calcWindCorrectionAngle()

{

this.a = Math.asin(this.Vw*Math.sin(this.w - this.d) / this.TAS);

}

private void calcGroundSpeed()

{

double d = Math.toRadians(this.d);

double w = Math.toRadians(this.w);

double a = Math.toRadians(this.a);

double temp = 2*this.TAS*this.Vw*Math.cos( d - w + a);

this.Vg = Math.sqrt( (this.TAS*this.TAS) + (this.Vw*this.Vw) - temp);

}

// main method

public static void main(String args[])

{

double stationP, stationT, airportE;

int aircraftA;

int Iairspeed;

double desiredC, windD, windS;

Scanner kybd = new Scanner(System.in);

System.out.print("Enter the station Pressure in Hg: ");

stationP = Double.parseDouble(kybd.nextLine());

System.out.print("Enter the station Temperature in F: ");

stationT = Double.parseDouble(kybd.nextLine());

System.out.print("Enter the aircraft altitude in feet: ");

aircraftA = Integer.parseInt(kybd.nextLine());

System.out.print("Enter the indicated airspeed in knots: ");

Iairspeed = Integer.parseInt(kybd.nextLine());

System.out.print("Enter the desired course: ");

desiredC = Double.parseDouble(kybd.nextLine());

System.out.print("Enter the wind direction: ");

windD = Double.parseDouble(kybd.nextLine());

System.out.print("Enter the wind speed in knots: ");

windS = Double.parseDouble(kybd.nextLine());

E6BFlightComputer FC = new E6BFlightComputer(stationP, stationT, aircraftA, Iairspeed,

windD, desiredC, windS);

System.out.printf("Density Altitude: .2f ", FC.getDensityAltitude());

System.out.println("True air speed: " + FC.getTrueAirSpeed());

System.out.println("Wind correction angle: " + FC.getTrueAirSpeed());

System.out.println("Ground speed: " + FC.getGroundSpeed());

}

}

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