Description Usage Arguments Details Value Author(s) References See Also Examples
Given a matrix of ternary values, this function will compute their x
, y
coordinates.
1 | abc2xy(abc)
|
abc |
A 3-column matrix containing unity-summed triples |
The x
, y
coordinates are scaled such that the altitude of the equilateral triangle defining the ternary space is equal to one.
A matrix of x
, y
values, one per row
Timothy H. Keitt <tkeitt@gmail.com>
http://dx.doi.org/10.1016/j.ecolmodel.2012.05.020
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | # See demo(trifield)
## Not run:
grid.size = 128
par(mar = rep(2, 4), oma = rep(0, 4))
tg = ternary.grid(grid.size)
f = function(x)
sin(2 * pi * x[1]) +
sin(3 * pi * x[2]) +
sin(4 * pi * x[3])
z = ternary.apply(tg, f)
tf = ternary.field(tg, z)
plot(tf)
ternary.legend()
## End(Not run)
|
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