def test_predicted_passes_have_elevation_positive_and_visible_on_date(
self):
end = self.start + timedelta(days=60)
for pass_ in self.predictor.passes_over(ARG, self.start, end):
self.assertGreater(pass_.max_elevation_deg, 0)
position = self.predictor.get_position(pass_.max_elevation_date)
ARG.is_visible(position)
self.assertGreaterEqual(pass_.off_nadir_deg, -90)
self.assertLessEqual(pass_.off_nadir_deg, 90)
def test_get_azimuth_elev_deg(self):
date = datetime.datetime.strptime("2014-10-21 22:47:29.147740",
'%Y-%m-%d %H:%M:%S.%f')
azimuth, elevation = ARG.get_azimuth_elev_deg(
self.predictor.get_position(date))
self.assertAlmostEqual(azimuth, 249.7, delta=0.1)
self.assertAlmostEqual(elevation, -52.1, delta=0.1)
def test_doppler_factor(self):
date = datetime.datetime.strptime("2014-10-21 23:06:11.132438",
'%Y-%m-%d %H:%M:%S.%f')
position = self.predictor.get_position(date)
doppler_factor = ARG.doppler_factor(position)
self.assertAlmostEqual((2 - doppler_factor) * 437.445e6,
437.445632e6,
delta=100)
def test_get_next_pass_while_passing(self):
date = datetime.datetime.strptime("2014/10/23 01:27:33.224",
'%Y/%m/%d %H:%M:%S.%f')
pass_ = self.predictor.get_next_pass(ARG, date)
self.assertAlmostEqual(pass_.aos, date, delta=ONE_SECOND)
self.assertTrue(date < pass_.los)
position = self.predictor.get_position(date)
self.assertTrue(ARG.is_visible(position))
def test_predicted_passes_whit_aos(self):
end = self.start + timedelta(days=60)
for pass_ in self.predictor.passes_over(ARG,
self.start,
end,
aos_at_dg=5):
self.assertGreater(pass_.max_elevation_deg, 5)
position = self.predictor.get_position(pass_.aos)
_, elev = ARG.get_azimuth_elev_deg(position)
self.assertAlmostEqual(elev, 5, delta=0.1)
def test_no_visible_with_deg(self):
position = self.predictor.get_position(self.next_pass.aos +
datetime.timedelta(minutes=4))
# 21 deg
self.assertFalse(ARG.is_visible(position, elevation=30))
def test_no_visible(self):
position = self.predictor.get_position(self.next_pass.los +
datetime.timedelta(minutes=10))
self.assertFalse(ARG.is_visible(position))
def test_is_visible(self):
position = self.predictor.get_position(self.next_pass.aos)
self.assertTrue(ARG.is_visible(position))
def test_is_visible_with_deg(self):
position = self.predictor.get_position(self.next_pass.aos +
dt.timedelta(minutes=4))
# 21 deg
self.assertTrue(ARG.is_visible(position, elevation=4))