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;

}