deldir                  Delaunay triangulation and Dirichlet
                        tessellation
divchain                Dividing chain; generic.
divchain.default        Dividing chain; default method.
divchain.deldir         Dividing chain; "deldir" method.
duplicatedxy            Determine duplicated points.
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 Dirchlet (Voronoi) tiles
plot.triang.list        Plot Delaunay triangles
print.tileInfo          Print a summary of tile information.
seaweed                 seaweed
tile.centroids          Compute centroids of Dirchlet (Voronoi) tiles
tile.list               Create a list of tiles in a tessellation
tileInfo                Extract information from a tile list.
tilePerim               Calculate tile perimeters.
triMat                  Produce matrix of triangle vertex indices.
triang.list             Create a list of Delaunay triangles
which.tile              Determine the tile containing a given point.
