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
26
27
28
29
30
31
32
33
34
|
#include <CGAL/Exact_predicates_exact_constructions_kernel.h>
#include <CGAL/intersections.h>
#include <CGAL/Constrained_Delaunay_triangulation_2.h>
#include <CGAL/Constrained_triangulation_plus_2.h>
#include <cassert>
#include <iostream>
typedef CGAL::Exact_predicates_exact_constructions_kernel K;
typedef CGAL::Exact_intersections_tag Itag;
typedef CGAL::Constrained_Delaunay_triangulation_2<K,CGAL::Default,Itag> CDT;
typedef CGAL::Constrained_triangulation_plus_2<CDT> CDTplus;
typedef CDTplus::Point Point;
int
main( )
{
CDTplus cdt;
std::cout << "Inserting a grid 5 x 5 of constraints " << std::endl;
for (int i = 1; i < 6; ++i)
cdt.insert_constraint( Point(0,i), Point(6,i));
for (int j = 1; j < 6; ++j)
cdt.insert_constraint( Point(j,0), Point(j,6));
assert(cdt.is_valid());
int count = 0;
for (CDTplus::Subconstraint_iterator scit = cdt.subconstraints_begin();
scit != cdt.subconstraints_end();
++scit) ++count;
std::cout << "The number of resulting constrained edges is "
<< count << std::endl;
return 0;
}
|
