CGAL 6.1.1 - Weights

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Weights/convergence.cpp
#include <CGAL/Simple_cartesian.h>
#include <CGAL/Weights/three_point_family_weights.h>
// Typedefs.
using Kernel = CGAL::Simple_cartesian<double>;
using FT = typename Kernel::FT;
using Point_2 = typename Kernel::Point_2;
int main() {
std::cout << std::fixed;
// 3D configuration.
const Point_2 p0(0, 1);
const Point_2 p1(2, 0);
const Point_2 p2(7, 1);
const Point_2 q0(3, 1);
// Choose a type of the weight:
// e.g. 0 - Wachspress (WP) weight; 1 - mean value (MV);
const FT wp = 0.0;
const FT mv = 1.0;
// Compute WP and MV weights.
std::cout << "3D Wachspress (WP, q0): ";
std::cout << CGAL::Weights::three_point_family_weight(p0, p1, p2, q0, wp) << std::endl;
std::cout << "3D mean value (MV, q0): ";
std::cout << CGAL::Weights::three_point_family_weight(p0, p1, p2, q0, mv) << std::endl;
// Converge WP towards MV.
std::cout << "Converge WP to MV on q0: " << std::endl;
const FT step = 0.1;
for (FT x = 0.0; x <= 1.0; x += step) {
std::cout << "3D x: ";
std::cout << CGAL::Weights::three_point_family_weight(p0, p1, p2, q0, x) << std::endl;
}
return EXIT_SUCCESS;
}
Kernel::Point_2
CGAL::Weights::three_point_family_weight
GeomTraits::FT three_point_family_weight(const typename GeomTraits::Point_2 &p0, const typename GeomTraits::Point_2 &p1, const typename GeomTraits::Point_2 &p2, const typename GeomTraits::Point_2 &q, const typename GeomTraits::FT a, const GeomTraits &traits)
computes the three-point family weight in 2D at q using the points p0, p1 and p2, and the power param...
Definition: three_point_family_weights.h:60
Kernel
CGAL::Simple_cartesian