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;

}