# tripack v1.3-9.1

0

0th

Percentile

## Triangulation of Irregularly Spaced Data

A constrained two-dimensional Delaunay triangulation package providing both triangulation and generation of voronoi mosaics of irregular spaced data.

## Functions in tripack

 Name Description add.constraint Add a constraint to an triangulaion object plot.tri Plot a triangulation object outer.convhull Version of outer which operates only in a convex hull left Determines whether given points are left of a directed edge. tri.mesh Create a delaunay triangulation cells extract info about voronoi cells tri.find Locate a point in a triangulation plot.voronoi Plot a voronoi object tripack-internal Internal functions plot.voronoi.polygons plots an voronoi.polygons object triangles Extract a list of triangles from a triangulation object voronoi.area Calculate area of Voronoi polygons circum Determine the circumcircle of a triangle tri A triangulation object voronoi.findrejectsites Find the Voronoi sites at the border of the region (to be rejected). print.summary.tri Print a summary of a triangulation object tri.dellens Compute the Delaunay segment lengths voronoi Voronoi object identify.tri Identify points in a triangulation plot convex.hull Return the convex hull of a triangulation object voronoi.mosaic Create a Voronoi mosaic circumcircle Determine the circumcircle of a set of points print.summary.voronoi Print a summary of a voronoi object tritest tritest / sample data voronoi.polygons extract polygons from a voronoi mosaic neighbours List of neighbours from a triangulation object on.convex.hull Determines if points are on the convex hull of a triangulation object summary.voronoi Return a summary of a voronoi object summary.tri Return a summary of a triangulation object in.convex.hull Determines if points are in the convex hull of a triangulation object circles plot circles print.tri Print a triangulation object circtest circtest / sample data print.voronoi Print a voronoi object No Results!