Plot the texture classes ploygons in an existing texture triangle plot. Draw the polygons and the labels inside each polygons.
TT.classes(geo, class.sys, tri.css.ps.lim = NULL, css.transf = NULL,
text.transf.fun = NULL, trsf.add.opt1 = NULL, trsf.add.opt2 = NULL,
text.tol = NULL, text.sum = NULL, base.css.ps.lim = NULL,
blr.tx = NULL, blr.clock = NULL, tri.sum.tst = NULL,
tri.pos.tst = NULL, bg = NULL, class.lab.col = NULL,
class.p.bg.col = NULL, class.p.bg.hue = NULL, class.line.col = NULL,
class.lty = NULL, class.lab.show = NULL, cex.lab = NULL,
font.lab = NULL, family.op = NULL, lwd.axis = NULL,
col.axis = NULL, new.centroid = TRUE)
Single logical. If TRUE (default) the new method (Paul Bourke) is used to calculate the centroid. If FALSE the centroid is taken as the mean x and y coordinates of the vertices.
Julien Moeys [aut, cre], Wei Shangguan [ctb], Rainer Petzold [ctb], Budiman Minasny [ctb], Bogdan Rosca [ctb], Nic Jelinski [ctb], Wiktor Zelazny [ctb], Rodolfo Marcondes Silva Souza [ctb], Jose Lucas Safanelli [ctb], Alexandre ten Caten [ctb]