# - contract (pytree) -
import Generator.PyTree as G
import Transform.PyTree as T
import Converter.PyTree as C

a = G.cart((0,0,0), (1,1,1), (10,10,10))
b = T.contract(a, (0.,0.,0.), (1,0,0), (0,1,0), 0.1); b[0]='cart2'
C.convertPyTree2File([a,b], 'out.cgns')