/*!
\example Orthtree/octree_build_from_point_set.cpp
\example Orthtree/octree_build_from_point_vector.cpp
\example Orthtree/octree_build_with_custom_split.cpp
\example Orthtree/octree_find_nearest_neighbor.cpp
\example Orthtree/octree_surface_mesh.cpp
\example Orthtree/octree_traversal_manual.cpp
\example Orthtree/octree_traversal_preorder.cpp
\example Orthtree/octree_traversal_custom.cpp
\example Orthtree/octree_grade.cpp
\example Orthtree/quadtree_build_from_point_vector.cpp
\example Orthtree/orthtree_build.cpp
*/
