File: Polygon.cpp

package info (click to toggle)
cgal 3.6.1-2
  • links: PTS
  • area: non-free
  • in suites: squeeze
  • size: 62,184 kB
  • ctags: 95,782
  • sloc: cpp: 453,758; ansic: 96,821; sh: 226; makefile: 120; xml: 2
file content (25 lines) | stat: -rw-r--r-- 666 bytes parent folder | download | duplicates (9) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
 
#include <CGAL/Exact_predicates_inexact_constructions_kernel.h>
#include <CGAL/Polygon_2.h>
#include <iostream>

typedef CGAL::Exact_predicates_inexact_constructions_kernel K;
typedef K::Point_2 Point;
typedef CGAL::Polygon_2<K> Polygon_2;
using std::cout; using std::endl;


int main()
{
  Point points[] = { Point(0,0), Point(5.1,0), Point(1,1), Point(0.5,6)};
  Polygon_2 pgn(points, points+4);

  // check if the polygon is simple.
  cout << "The polygon is " <<
    (pgn.is_simple() ? "" : "not ") << "simple." << endl;

  // check if the polygon is convex
  cout << "The polygon is " <<
    (pgn.is_convex() ? "" : "not ") << "convex." << endl;

  return 0;
}