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)

{
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* **** **** * * *
* **** ** * ** * ***

}

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!
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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;

}