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Calculates Bezier coefficients from a shape
bezier(coo, n)a list with components:
$J matrix of Bezier coefficients
$B matrix of Bezier vertices.
a matrix or a list of (x; y) coordinates
the degree, by default the number of coordinates.
Claude, J. (2008) Morphometrics with R, Use R! series, Springer 316 pp.
Other bezier functions:
bezier_i()
set.seed(34)
x <- coo_sample(efourier_shape(), 5)
plot(x, ylim=c(-3, 3), asp=1, type='b', pch=20)
b <- bezier(x)
bi <- bezier_i(b$B)
lines(bi, col='red')
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