Some basic facilities for ternary fields and plots

Documentation for package ‘trifield’ version 1.1

trifield-package	Assists in creating and plotting ternary fields
abc2xy	Project unity-summed triples (a, b, c) to unit-square doubles (x, y)
plot.trifield	Plot a ternary field
ternary.apply	Apply a function over a ternary grid
ternary.field	Constructs a ternary field
ternary.grid	Constructs a ternary grid
ternary.legend	Plots a ternary legend
triaxes	Draws ternary axis lines
tribox	Draws an equilateral triangle with unit altitude
trifield	Assists in creating and plotting ternary fields
xy2abc	Ternary projection of 'x', 'y' coordinates