QuestionQuestion

Create a library to manage representation (not drawing) of objects in 2d and 3d. This library can be seen as a start of a graphics library, but graphics are not part of the task.

Content library must include a minimum of abstract data types (classes) for
- Create, save, and print 2D and 3D points.
- Adding together two points to create a line.
- Create, save, and print 2D and 3D lines.
- Adding together a line and a point or two lines to create a polygon.
- Create, save, and print 2D and 3D polygons.
- Retracting a polygon and a point or a polygon, and a line or two polygons to create a polygon.

All operations to be performed on the objects we create must be made using operators.

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#include <cstdlib>
#include "Polygon2D.h"
#include "Line2D.h"
#include "Point2D.h"
#include "Polygon3D.h"
#include "Line3D.h"
#include "Point3D.h"
using namespace std;

void test2D();
void test3D();

int main(int argc, char** argv) {
    // test 2d shape
    test2D();
    // test 3D shapes
    test3D();
   
    return 0;
}

void test2D(){
   
    // test input stream
    Point2D p[3];
    cout << "Enter 3 2D points ";
    for (int i = 0; i < 3; i++) {
       cin >> p[i];
    }
    // test output stream
    cout << "3 2D points : \n";
    for (int i = 0; i < 3; i++) {
       cout << p[i] << "\n";
    }

    // test addition operator
    cout << "A line from " << p[0] << " to " << p[1] << "\n";
    Line2D l1 = p[0] + p[1];
   
    cout<< l1 << "\n";
   
    cout << "A polygon is created with point " << p[2] << " and line " << l1 << "\n" ;
    Polygon2D pl = l1 + p[2];
   
    cout << pl << "\n";
   
    // test retracting operator
    cout << "A polygon is created by retracting polygon " << pl << " and point " << p[2] << "\n" ;
   
    Polygon2D pl2 = pl - p[2];
   
    cout << pl2 << "\n";
}...
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