| create_coordinates | Function to create coordinates for a Hilbert Curve This functions adds three columns to a data frame: reld, x, y |
| create_id_column | Function to create an id column from a character column |
| d2xy | Returns the x/y-position for a distance d in n possible values |
| d2xy2 | Returns the x/y-position for a Vector of distances d in n possible values |
| gghilbertplot | Function to create the Hilbert Plot |
| hilbertd2xy | Hilbert conversion, distance to coordinates |
| order4 | Finds the order of the next highest number to the power of 4 |