def __init__(self, ff=None):
'''
Constructor
'''
if ff is None:
ff = open('Armadillo.ply')
v, f = load_ply(ff)
ma = v.max()
mi = v.min()
med = (ma + mi) / 2
v -= med
v /= (ma - mi) / (2 * 1.7)
self.v = v
self.f = f
self.meshcp = MeshCP(v, f)
