Package index • interp

All functions

akima: Waveform Distortion Data for Bivariate Interpolation
akima474: Sample data from Akima's Bicubic Spline Interpolation code (TOMS 474)
arcs(): Extract a list of arcs from a triangulation object.
area(): Extract a list of triangle areas from a triangulation object.
aspline() aSpline(): Univariate Akima interpolation
bicubic(): Bivariate Interpolation for Data on a Rectangular grid
bicubic.grid(): Bicubic Interpolation for Data on a Rectangular grid
bilinear() BiLinear(): Bilinear Interpolation for Data on a Rectangular grid
bilinear.grid() BiLinear.grid(): Bilinear Interpolation for Data on a Rectangular grid
cells(): extract info about voronoi cells
circles(): plot circles
circtest circtest2: circtest / sample data
circum(): Determine the circumcircle (and some other characteristics) of a triangle
circumcircle(): Determine the circumcircle of a set of points
convex.hull() ConvexHull(): Return the convex hull of a triangulation object
franke.data() franke.fn(): Test datasets from Franke for interpolation of scattered data
identify(<triSht>): Identify points in a triangulation plot
interp-package: Interpolation of data
interp(): Interpolation function
interp2xyz(): From interp() Result, Produce 3-column Matrix
interpp(): Pointwise interpolate irregular gridded data
locpoly(): Local polynomial fit.
nearest.neighbours(): Nearest neighbour structure for a data set
neighbours(): List of neighbours from a triangulation or voronoi object
on() left(): Determines if a point is on or left of the vector described by two other points.
on.convex.hull() in.convex.hull(): Determines if points are on or in the convex hull of a triangulation object
outer.convhull(): Version of outer which operates only in a convex hull
plot(<triSht>): Plot a triangulation object
plot(<voronoi>): Plot a voronoi object
plot(<voronoi.polygons>): plots an voronoi.polygons object
print(<summary.triSht>): Print a summary of a triangulation object
print(<summary.voronoi>): Print a summary of a voronoi object
print(<triSht>): Print a triangulation object
print(<voronoi>): Print a voronoi object
summary(<triSht>): Return a summary of a triangulation object
summary(<voronoi>): Return a summary of a voronoi object
tri.find(): Locate a point in a triangulation
tri.mesh(): Delaunay triangulation
triSht: A triangulation object
triSht2tri(): Converter to tripack objects
triangles(): Extract a list of triangles from a triangulation object
tritest 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.mosaic(): Voronoi mosaic
voronoi.polygons(): extract polygons from a voronoi mosaic