def test_vector():
vec1 = (12.0, 3, 6.0)
vec2 = (14.0, 1.0, 6.0)
vec = vector(vec1,vec2)
nt.ok_(np.all(vec ==(-2.0, 2.0, 0.0)))
def trunk_direction(tree, soma):
'''Vector of trunk direction defined as
(initial tree point - soma center) of the tree.
'''
return mm.vector(tree.value, soma.center)
def trunk_origin_direction(tree, soma):
'''Vector of trunk origin direction defined as
(initial tree point - soma center) of the tree.
'''
return mm.vector(tree.value, soma.center)
def trunk_direction(tree, soma):
"""Vector of trunk direction defined as
(initial tree point - soma center) of the tree.
"""
return mm.vector(tree.value, soma.center)
