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;

}