Returns the table of vertices of a texture classification system.
Returns the clay silt sand coordinates of each vertices. Use
TT.classes.tbl() to know the vertices that bounds each texture
class. See also TT.vertices.plot().
TT.vertices.tbl(class.sys = "HYPRES.TT")
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]