CGAL 6.1 - Principal Component Analysis

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Principal_component_analysis/bounding_box.cpp
// Example program for the bounding_box() function for 2D points and 3D points.
#include <CGAL/Simple_cartesian.h>
#include <CGAL/bounding_box.h>
#include <vector>
#include <iostream>
typedef double FT;
typedef CGAL::Simple_cartesian<FT> K;
typedef K::Point_2 Point_2;
typedef K::Point_3 Point_3;
int main()
{
// axis-aligned bounding box of 2D points
std::vector<Point_2> points_2;
points_2.push_back(Point_2(1.0, 0.0));
points_2.push_back(Point_2(2.0, 2.0));
points_2.push_back(Point_2(3.0, 5.0));
K::Iso_rectangle_2 c2 = CGAL::bounding_box(points_2.begin(), points_2.end());
std::cout << c2 << std::endl;
// axis-aligned bounding box of 3D points
std::vector<Point_3> points_3;
points_3.push_back(Point_3(1.0, 0.0, 0.5));
points_3.push_back(Point_3(2.0, 2.0, 1.2));
points_3.push_back(Point_3(3.0, 5.0, 4.5));
K::Iso_cuboid_3 c3 = CGAL::bounding_box(points_3.begin(), points_3.end());
std::cout << c3 << std::endl;
return 0;
}
CGAL::bounding_box
Deduced bounding_box(InputIterator first, InputIterator beyond)
The function bounding_box() computes the axis-aligned bounding box of a set of 2D or 3D points.
CGAL::Simple_cartesian