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()

{
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}

double ThreeD::getz()

{
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}



void ThreeD::dist(ThreeD other)

{
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* ** *** ** ** ** ***** ** x2,y2,z2;
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* * * ***** *** ***** ** * * *** *** *
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* ** ** * *** ** ** * *** * * *** *
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* * * ** ** ***** ** *** ***** ****** *** is: * ** * * * * * ** *** ** *



}

int main()

{


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* ** *** *** * ** * * ** 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;

}