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
35
36
37
38
39
40
41
|
#include <CGAL/Exact_predicates_inexact_constructions_kernel.h>
#include <CGAL/property_map.h>
#include <CGAL/remove_outliers.h>
#include <CGAL/IO/read_xyz_points.h>
#include <vector>
#include <fstream>
// types
typedef CGAL::Exact_predicates_inexact_constructions_kernel Kernel;
typedef Kernel::Point_3 Point;
int main(void)
{
// Reads a .xyz point set file in points[].
// The Dereference_property_map property map can be omitted here as it is the default value.
std::vector<Point> points;
std::ifstream stream("data/oni.xyz");
if (!stream ||
!CGAL::read_xyz_points(stream, std::back_inserter(points),
CGAL::Dereference_property_map<Point>()))
{
std::cerr << "Error: cannot read file data/oni.xyz" << std::endl;
return EXIT_FAILURE;
}
// Removes outliers using erase-remove idiom.
// The Dereference_property_map property map can be omitted here as it is the default value.
const double removed_percentage = 5.0; // percentage of points to remove
const int nb_neighbors = 24; // considers 24 nearest neighbor points
points.erase(CGAL::remove_outliers(points.begin(), points.end(),
CGAL::Dereference_property_map<Point>(),
nb_neighbors, removed_percentage),
points.end());
// Optional: after erase(), use Scott Meyer's "swap trick" to trim excess capacity
std::vector<Point>(points).swap(points);
return EXIT_SUCCESS;
}
|
