| cvt | Centroidal Voronoi (Dirichlet) tessellation. | 
| deldir | Delaunay triangulation and Dirichlet tessellation | 
| divchain | Dividing chain. | 
| divchain.default | Dividing chain. | 
| divchain.deldir | Dividing chain. | 
| duplicatedxy | Determine duplicated points. | 
| getNbrs | List Delaunay neighbours. | 
| grapherXmpl | grapherXmpl | 
| lawSummary | Produce a Lewis-Aboav-Weaire summary of a tessellation. | 
| niProperties | Northern Ireland properties. | 
| plot.deldir | Plot objects produced by deldir | 
| plot.divchain | Plot a dividing chain. | 
| plot.tile.list | Plot Dirichlet (Voronoi) tiles | 
| plot.triang.list | Plot Delaunay triangles | 
| print.deldir | Print some information about a tessellation/triangulation. | 
| print.tileInfo | Print a summary of tile information. | 
| seaweed | seaweed | 
| tile.centroids | Compute centroids of Dirichlet (Voronoi) tiles | 
| tile.list | Create a list of tiles in a tessellation | 
| tileArea | Area of a Dirichlet tile. | 
| tileInfo | Extract information from a tile list. | 
| tilePerim | Calculate tile perimeters. | 
| toyPattern | A toy marked point pattern object, with 59 points. | 
| triang.list | Create a list of Delaunay triangles | 
| triMat | Produce matrix of triangle vertex indices. | 
| volTriPoints | Solute plume concentration data set. | 
| which.tile | Determine the tile containing a given point. |