05-11 Lab exercise 2: 3D points class inherited from 2D point class

Question

Suppose we have the following two points in a 3D space:

The distance between point1 and point2 is:

Please create ThreeD class inherited from Point class which is used in previous exercise and then use ThreeD class to calculate the distance between two 3D points.

Hint:

• Add two more public functions to Point class to get the value of X and Y
• ThreeD initialize: 

• class ThreeD:public Point

• The following constructor of ThreeD class reuses the constructor of the Point class and the only way values can be passed to the Point constructor is via the use of a member initialization list.

• ThreeD(double i, double j, double k):Point(i,j){z = k;}

   

Example input:

1 1 1
2 3 4

Example output:

Distance is: 3.74166

Comments

Called for Help

Answer 1

Hidden content!
#include <iostream>

#include<math.h>

using namespace std;



class ThreeD
* * * * **** **** **
* * ** **** * ** * * ** *
**** ** ** ** * * * ** ** * *** * *** * **** * x,y,z;
* * *** * * *** * ** **
**** * ***** * * *** * *** ** ** * *** *** *** * i, double j, double k);
* * *** ** * **** * ** ** * **** ** * * * dist(ThreeD other);
* * * ** * * ** ** * **** * * * ***** **** getx();
** * * ** ** **** ** * ** * ***** * ** *** * gety();
** ** * * * * * * ****** **** ** ********** * ** getz();
**** *** *** * *

ThreeD::ThreeD(double i, double j, double k)

{
**** * * * * * ***** *
****** **** ** * * ******
****** * * * * * **

}

double ThreeD::getx()

{
* * ** * ** ** ** *** * * * x;

}

double ThreeD::gety()

{
* ******** ** * * *** y;

}

double ThreeD::getz()

{
* ** ** * ** * * * z; ** **** **** * ** * * ******** * * *** ** ** * **

}



void ThreeD::dist(ThreeD other)

{
** * ***** * * * * sol;
*** ** ** ****** * ****** x2,y2,z2;
* * ** ** * ****** ** * * *** ** * * * *
* **** * *** * * * ** *** * ******* ** **
* * * ** * * * ** * ** *** * * *** ** * *
*** * ** ** * ***** **
* * ** ** * * * ** ** ** ***
*** * ** * ** * ** * * * ** is: * * * * * * * * *



}

int main()

{


* ** * * ****** * i,j,k;
* * **** ** * * ** * * *** * ** * * * ** **** *
** * ** * *** **** ***** ** a(i,j,k);
*** *** * *** ***** *** * * * **** * * *** * *
* *** * ** * * b(i,j,k);
**** * * * * * *** *


** **** * *** ** 0;

}

Answer 2

Hidden content!
* *** * * ** **
** *** * * ********
***** * * ****
** ** * * **



using ** * std;



class Point{
* *** * **
* ** ** * ** * *** ** * ****
*** ******** * ** ** * * * * ** * * xpos, double ypos, double zpos);
**** *** *** ** * * * * * * **
* *** *** ** *** ** *** ***** ***
* ** *** * *** ** ** * * ** ** *
**** ******** *** **** * ** xpos, double ypos, double zpos);
** * ****** ****
** * * * * *** ** ** * ** x;
*** ** * * ***** * * * y;
*** * **** * * * * ** * ** * z;

};


** ** * * *

{
**** * ** * * *** *** = 0;
** ** * ***** * ** * * ** = 0;
** * *** * ** ** *** * = 0;

}


* ** *** * * xpos, double ypos, double zpos)

{
***** *** * * **** ** = xpos;
* *** * * **** ** ** * = ypos;
** ** * ********** = zpos;

}


** * *

{
*** * * * * * * ** ** x;

}


** * ******

{
**** * * * ** ****** ** y;

}


** * **

{
*** * * * *** * *** * z;

}



void * * *** * xpos, double ypos, double zpos)

{
* * * * ****** ***** * ****** = xpos;
* * ** * * ** ** ** ** = ypos;
* ****** * ** ** ** * ** = zpos;

}


*** * **
* * * * * **** *
* **** **** * **** * * **** * Apos, Point Bpos);
* ** * * * ** ** *** * * * * *
* ** * * * * * *
*** ** ** * ******* *** * * A;
** **** * * ** ****** ** ** B;

};


** ** **** * Apos, Point Bpos)

{
* * ** * * ** ** * ******* * *** ** * ****
** ** *** * ** * * * * * ** * ** ** * * ******

}


* ***** * *

{
* ** * * * * * * **** * * ** * - * * * 2.0) + ** * * - ** * * 2.0) + ** - ** * 2.0));

}



int main()

{
********** ***** ** * * ** ax, ay, az, bx, by, bz;


** * **** * ***** * * * *** * ax *** * * * ay * az ** ** bx * ** * * by * * ** * bz;
** ** ** ** * * * ** ** * A(ax, ay, az);
* *** *** * ** * ** * B(bx, by, bz);


** * ** * ***** ****** ** * Z(A, B);


** * * ****** * *** ***** * *** * * is: * * * * ** * *** ** * *** * endl;


** * *** ***** * * * 0;

}

Comments

This is not correct answer. We require ThreeD class is inherited from Point class which is used in previous exercise

Answer 3

Hidden content!
class Point

{
***** *** * * * * * *
* *** *** **** * * *** * * x, y; // x and y * *** ** ****
* *** *** *****

*** *** ****** * ** *** **** * ** ** * ** inline * * * of * ***
* ****** * * ** * ** **** i, double * * y(j){}

* ******* * ******** **
** ** ** ** * ** * *** * inline ***** ** of member ** *
* ** * **** * ** * * * * ** * = NewX;}
** ** * *** **** * * ** * ** = NewY;}
* * ******* *** ** * getX() const * x;}
** ** ** * *** getY() const ** * y;}

};



class ** * * Point

{
** ** * **** * *
* ** *** * *** * * ** * * *** * * * * * * ** z;
* *** * ** * ****** ****

* * * **** * ** * * ** ** *** * ** ** *** Inline * **** ** of *** *
** * *** ** * * *** ** * of the base class is not * * ***
* *** ** * **** *** * *** The ******** ** of ThreeD class reuses the

* ** ** ** * * * * * * of the Point class and the only way ****
* ** * *** * * ******** * can be to the Point * *** is via the use
* ** * ****** ** of a * * * ** list.
*** **** *** ** *** *** ** i, double j, * * * *** *** = k;}


* * * * ** ** ***** *** * ***** ****** = *
** *** * * * ** * ** * ** ** * * z;}

};





int main()

{
* * * * ** ** * *** * ** 1);
**** * ** ** * **** * ** * 2, 3);
* ****** ** * * * * ** * * * * * for the 3d object are: * * ***
*** * * **** * ** **** * * * ** * ** * **** ** * * * ** * ** ***** * * ** * *** * *** * ********* ** * **** * **** endl;
* ** *** * * * ** ** * ** 0;

}