/*!
\example Polyhedron/polyhedron2vrml.cpp
\example Polyhedron/polyhedron_prog_color.cpp
\example Polyhedron/polyhedron_prog_cube.cpp
\example Polyhedron/polyhedron_prog_incr_builder.cpp
\example Polyhedron/polyhedron_prog_normals.cpp
\example Polyhedron/polyhedron_prog_off.cpp
\example Polyhedron/polyhedron_prog_planes.cpp
\example Polyhedron/polyhedron_prog_simple.cpp
\example Polyhedron/polyhedron_prog_subdiv.cpp
\example Polyhedron/polyhedron_prog_tetra.cpp
\example Polyhedron/polyhedron_prog_vector.cpp
\example Polyhedron/draw_polyhedron.cpp
*/