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;

}