| add.constraint | Add a constraint to an triangulaion object |
| cells | extract info about voronoi cells |
| circles | plot circles |
| circtest | circtest / sample data |
| circtest2 | circtest / sample data |
| circum | Determine the circumcircle of a triangle |
| circumcircle | Determine the circumcircle of a set of points |
| convex.hull | Return the convex hull of a triangulation object |
| identify.tri | Identify points in a triangulation plot |
| in.convex.hull | Determines if points are in the convex hull of a triangulation object |
| is.left.of | Determines whether given points are left of a directed edge. |
| left | Determines whether given points are left of a directed edge. |
| neighbours | List of neighbours from a triangulation object |
| on.convex.hull | Determines if points are on the convex hull of a triangulation object |
| outer.convhull | Version of outer which operates only in a convex hull |
| plot.tri | Plot a triangulation object |
| plot.voronoi | Plot a voronoi object |
| plot.voronoi.polygons | plots an voronoi.polygons object |
| print.summary.tri | Print a summary of a triangulation object |
| print.summary.voronoi | Print a summary of a voronoi object |
| print.tri | Print a triangulation object |
| print.voronoi | Print a voronoi object |
| summary.tri | Return a summary of a triangulation object |
| summary.voronoi | Return a summary of a voronoi object |
| tri | A triangulation object |
| tri.dellens | Compute the Delaunay segment lengths |
| tri.find | Locate a point in a triangulation |
| tri.mesh | Create a delaunay triangulation |
| tri.swap | Internal functions |
| tri.swap.lowlevel | Internal functions |
| tri.vordist | Internal functions |
| triangles | Extract a list of triangles from a triangulation object |
| tritest | tritest / sample data |
| tritest2 | tritest / sample data |
| voronoi | Voronoi object |
| voronoi.area | Calculate area of Voronoi polygons |
| voronoi.findrejectsites | Find the Voronoi sites at the border of the region (to be rejected). |
| voronoi.findvertices | Internal functions |
| voronoi.mosaic | Create a Voronoi mosaic |
| voronoi.polyarea | Internal functions |
| voronoi.polygons | extract polygons from a voronoi mosaic |