axis.angle              Deprecated function
axis.distance           Deprecated function
axis_angle              Computes points angle with an axis (X, Y or Z)
                        and the origin of the 3D cartesian coordinates
                        system.
axis_distance           Computes points distance to an axis of the
                        cartesian coordinates system.
box_counting            Computes fractal dimension using the box
                        counting method.
distance_clustering     Clustering of non connected objects in a point
                        cloud.
filled_voxel_cloud      Produces a filled voxel cloud.
filter_noise            Statistical filtering of a point cloud.
filter_point_density    Retains one point of the original point cloud
                        within a voxel of given size.
level                   Deprecated function
obj.rec                 Deprecated function
plot_projection         Visualization of a projected voxel cloud.
plot_voxels             Voxel cloud visualization.
plot_voxels_full_grid   Voxel cloud visualization when voxel cloud
                        includes the empty voxels.
point.distance          Deprecated function
point_distance          Computes the distance of a set of points to a
                        user defined point.
project                 Deprecated function
project_voxels          Project a voxel cloud in a 2D plan formed by
                        two axes of the cartesian coordiantes system.
raster.proj             Deprecated function
sub.obj                 Deprecated function
substract_point_clouds
                        Point clouds substraction: identification of
                        changes between two measuring times.
surface                 Deprecated function
tree_metrics            Estimates a set of morphological parameters
                        from a tls point cloud of a tree.
vox                     Voxelisation of 3D point cloud recording the
                        number of points within each voxels.
