def test_derive_too_fast(self):
alt_agl = P(name='Altitude AGL', array=np.ma.ones(30) * 10, frequency=0.2)
gspd = P('Groundspeed', array=np.ma.concatenate((np.zeros(10), np.ones(10) * 20, np.zeros(10))))
airs = buildsections('Airborne', [0, 30])
node = Hover()
node.derive(alt_agl, airs, gspd)
self.assertEqual(len(node), 2)
def test_derive_too_short(self):
alt_agl = P(name='Altitude AGL', array=np.ma.zeros(30))
gspd = P('Groundspeed', array=np.ma.zeros(30))
airs = buildsections('Airborne', [6, 8], [15, 27])
node = Hover()
node.derive(alt_agl, airs, gspd)
self.assertEqual(len(node), 1)
def test_derive_too_short(self):
alt_agl = P(name='Altitude AGL', array=np.ma.zeros(30))
gspd = P('Groundspeed', array=np.ma.zeros(30))
airs = buildsections('Airborne', [6,8], [15,27])
node = Hover()
node.derive(alt_agl, airs, gspd)
self.assertEqual(len(node), 1)
def test_derive_null_transitions(self):
alt_agl = P(name='Altitude AGL', array=np.ma.concatenate((np.zeros(5), np.ones(10) * 10.0, np.zeros(5))))
gspd = P('Groundspeed', array=np.ma.zeros(20))
airs = buildsections('Airborne', [6, 16])
node = Hover()
node.derive(alt_agl, airs, gspd, None, None)
self.assertEqual(len(node), 1)
def test_derive_not_dip(self):
alt_agl = P(name='Altitude AGL', array=np.ma.concatenate((np.ones(10) * 310, np.ones(10) * 290, np.ones(10) * 310)))
gspd = P('Groundspeed', array=np.ma.zeros(30))
airs = buildsections('Airborne', [0, 30])
t_hf = buildsections('Transition Hover To Flight', [2, 4])
t_fh = buildsections('Transition Flight To Hover', [28, 30])
node = Hover()
node.derive(alt_agl, airs, gspd, t_hf, t_fh)
self.assertEqual(len(node), 0)
def test_derive_not_without_transition(self):
alt_agl = P(name='Altitude AGL', array=np.ma.concatenate((np.zeros(5), np.ones(45) * 10, np.ones(50) * 400, np.ones(50) * 250, np.ones(30) * 400, np.zeros(20))))
gspd = P('Groundspeed', array=np.ma.zeros(200))
airs = buildsections('Airborne', [6, 200])
t_hf = buildsections('Transition Hover To Flight', [22, 24])
t_fh = buildsections('Transition Flight To Hover', [180, 190])
node = Hover()
node.derive(alt_agl, airs, gspd, t_hf, t_fh)
self.assertEqual(len(node), 2)
def test_derive_basic(self):
alt_agl = P(name='Altitude AGL', array=np.ma.concatenate((np.zeros(5), np.ones(30) * 10, np.zeros(5))))
gspd = P('Groundspeed', array=np.ma.zeros(40))
airs = buildsections('Airborne', [6, 26])
t_hf = buildsections('Transition Hover To Flight', [22, 24])
t_fh = buildsections('Transition Flight To Hover', [8, 10])
node = Hover()
node.derive(alt_agl, airs, gspd, t_hf, t_fh)
self.assertEqual(len(node), 1)
self.assertEqual(node[0].slice.start, 11)
self.assertEqual(node[0].slice.stop, 22)