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;

}