/*!
\example Point_set_3/point_set.cpp
\example Point_set_3/point_set_property.cpp
\example Point_set_3/point_set_algo.cpp
\example Point_set_3/point_set_read_xyz.cpp
\example Point_set_3/point_set_read_ply.cpp
\example Point_set_3/point_set_advanced.cpp
\example Point_set_3/draw_point_set_3.cpp
*/