\( \newcommand{\E}{\mathrm{E}} \) \( \newcommand{\A}{\mathrm{A}} \) \( \newcommand{\R}{\mathrm{R}} \) \( \newcommand{\N}{\mathrm{N}} \) \( \newcommand{\Q}{\mathrm{Q}} \) \( \newcommand{\Z}{\mathrm{Z}} \) \( \def\ccSum #1#2#3{ \sum_{#1}^{#2}{#3} } \def\ccProd #1#2#3{ \sum_{#1}^{#2}{#3} }\)
CGAL 5.0 - Geometric Object Generators
CGAL::Random_points_in_triangle_mesh_3< TriangleMesh, VertexPointMap, Creator > Struct Template Reference

#include <CGAL/point_generators_3.h>

Definition

template<class TriangleMesh, class VertexPointMap = typename boost::property_map<TriangleMesh, CGAL::vertex_point_t>::type, class Creator = Creator_uniform_3< typename Kernel_traits< typename boost::property_traits<VertexPointMap>::value_type >::Kernel::RT, typename boost::property_traits<VertexPointMap>::value_type >>
struct CGAL::Random_points_in_triangle_mesh_3< TriangleMesh, VertexPointMap, Creator >

The class Random_points_in_triangle_mesh_3 is an input iterator creating points uniformly distributed inside the faces of a triangle mesh model of FaceListGraph.

The triangle mesh must be valid and unchanged while the iterator is used.

Is Model Of:

InputIterator

PointGenerator

See also
std::copy_n()
CGAL::Counting_iterator
CGAL::Random_points_in_disc_2<Point_2, Creator>
CGAL::Random_points_in_cube_3<Point_3, Creator>
CGAL::Random_points_in_triangle_3<Point_3, Creator>
CGAL::Random_points_on_sphere_3<Point_3, Creator>
CGAL::Random_points_in_triangle_mesh_2<Point_2, Triangulation>
CGAL::Random_points_in_tetrahedral_mesh_boundary_3<C3T3>
CGAL::Random_points_in_tetrahedral_mesh_3<C3T3>
CGAL::Random_points_in_triangles_2<Point_2>
CGAL::Random_points_in_triangles_3<Point_3>
std::random_shuffle
Examples:
Generator/random_points_on_triangle_mesh_3.cpp.

Types

typedef std::input_iterator_tag iterator_category
 
typedef boost::property_traits< VertexPointMap >::value_type Point_3
 
typedef Point_3 value_type
 
typedef std::ptrdiff_t difference_type
 
const typedef Point_3pointer
 
const typedef Point_3reference
 
 Random_points_in_triangle_mesh_3 (const TriangleMesh &mesh, VertexPointMap vpm, Random &rnd=get_default_random())
 Creates an input iterator g generating points of type Point_3 uniformly distributed in the mesh faces based on vpm. More...
 
 Random_points_in_triangle_mesh_3 (const TriangleMesh &mesh, Random &rnd=get_default_random())
 Similar to the previous constructor using get(vertex_point, mesh) as vertex point map.
 

Constructor & Destructor Documentation

◆ Random_points_in_triangle_mesh_3()

template<class TriangleMesh, class VertexPointMap = typename boost::property_map<TriangleMesh, CGAL::vertex_point_t>::type, class Creator = Creator_uniform_3< typename Kernel_traits< typename boost::property_traits<VertexPointMap>::value_type >::Kernel::RT, typename boost::property_traits<VertexPointMap>::value_type >>
CGAL::Random_points_in_triangle_mesh_3< TriangleMesh, VertexPointMap, Creator >::Random_points_in_triangle_mesh_3 ( const TriangleMesh &  mesh,
VertexPointMap  vpm,
Random rnd = get_default_random() 
)

Creates an input iterator g generating points of type Point_3 uniformly distributed in the mesh faces based on vpm.

Each triangle has a probability to be chosen to hold the point depending on its area.