def test_section_meander_angles():
s0 = load_neuron(StringIO(u"""((CellBody) (0 0 0 0))
((Dendrite)
(0 0 0 2)
(1 0 0 2)
(2 0 0 2)
(3 0 0 2)
(4 0 0 2))"""), reader='asc').sections[SECTION_ID]
nt.assert_equal(_sf.section_meander_angles(s0),
[math.pi, math.pi, math.pi])
s1 = load_neuron(StringIO(u"""((CellBody) (0 0 0 0))
((Dendrite)
(0 0 0 2)
(1 0 0 2)
(1 1 0 2)
(2 1 0 2)
(2 2 0 2))"""), reader='asc').sections[SECTION_ID]
nt.assert_equal(_sf.section_meander_angles(s1),
[math.pi / 2, math.pi / 2, math.pi / 2])
s2 = load_neuron(StringIO(u"""((CellBody) (0 0 0 0))
((Dendrite)
(0 0 0 2)
(0 0 1 2)
(0 0 2 2)
(0 0 0 2))"""), reader='asc').sections[SECTION_ID]
nt.assert_equal(_sf.section_meander_angles(s2),
[math.pi, 0.])
def test_section_meander_angles_single_segment():
s = load_neuron(StringIO(u"""((CellBody) (0 0 0 0))
((Dendrite)
(0 0 0 2)
(1 1 1 2))"""),
reader='asc').sections[1]
nt.assert_equal(len(_sf.section_meander_angles(s)), 0)
def test_section_meander_angles_single_segment():
s = load_neuron(StringIO(u"""((CellBody) (0 0 0 0))
((Dendrite)
(0 0 0 2)
(1 1 1 2))"""),
reader='asc').sections[SECTION_ID]
assert len(_sf.section_meander_angles(s)) == 0
