def test_sun_ememe(self, service, working_project):
start_time_str = "2000-01-01T11:58:55.816Z"
end_time_str = "2009-07-21T21:55:08.813Z"
sun_ememe_state_vec = [
-306536346.18024945, -120966638.54521248, -12981.069369263947,
15.759854830195243, -11.539570959741736, 0.0005481049628786039
]
propagation_params = PropagationParams({
'start_time':
start_time_str,
'end_time':
end_time_str,
'step_size':
86400,
'project_uuid':
working_project.get_uuid(),
'description':
'Created by test at ' + start_time_str
})
opm_params = OpmParams({
'epoch': start_time_str,
'state_vector': sun_ememe_state_vec,
'center_name': 'SUN',
'ref_frame': 'EMEME2000',
})
batch = Batch(propagation_params, opm_params)
runner = BatchRunManager(service.get_batches_module(), [batch])
runner.run()
end_state = batch.get_results().get_end_state_vector()
# The output state is expected to be in ICRF.
expected_end_state = [
73978163.61069362, -121822760.05571477, -52811158.83249758,
31.71000343989318, 29.9657246374751, .6754531613947713
]
# These values are in EMEME. The resulting ephemeris is not expected to match these values.
# expected_end_state = [73978158.47632701, -132777272.5255892, 5015.073123970032,
# 31.710003506237434, 27.761693311026138, -11.299967713192564]
difference = np.subtract(expected_end_state, end_state)
print("Difference is %s" % difference)
print("End state: %s" % end_state)
npt.assert_allclose(difference[0:3], [0, 0, 0], rtol=0, atol=.02)
npt.assert_allclose(difference[3:6], [0, 0, 0], rtol=0, atol=.00002)
# The returned ephemeris will be in Sun-centered ICRF, not EMEME. My best guess is that
# the ephemeris file doesn't support all reference frames, so if it encounters one that
# isn't supported, it'll choose a similar one.
ephem = batch.get_results().get_parts()[-1].get_ephemeris()
assert "ICRF" in ephem
assert "EMEME" not in ephem
def test_icrf(self, service, working_project):
start_time_str = "2000-01-01T11:58:55.816Z"
end_time_str = "2009-07-21T21:55:08.813Z"
sun_icrf_state_vec = [
-306536341.5010222, -110979556.84640282, -48129706.42252728,
15.75985527640906, -10.587567329195842, -4.589673432886975
]
propagation_params = PropagationParams({
'start_time':
start_time_str,
'end_time':
end_time_str,
'step_size':
86400,
'project_uuid':
working_project.get_uuid(),
'description':
'Created by test at ' + start_time_str
})
opm_params = OpmParams({
'epoch': start_time_str,
'state_vector': sun_icrf_state_vec,
'center_name': 'SUN',
'ref_frame': 'ICRF',
})
batch = Batch(propagation_params, opm_params)
runner = BatchRunManager(service.get_batches_module(), [batch])
runner.run()
end_state = batch.get_results().get_end_state_vector()
expected_end_state = [
73978163.61069362, -121822760.05571477, -52811158.83249758,
31.71000343989318, 29.9657246374751, .6754531613947713
]
difference = np.subtract(expected_end_state, end_state)
print("Difference is %s" % difference)
print("End state: %s" % end_state)
npt.assert_allclose(difference[0:3], [0, 0, 0], rtol=0, atol=.02)
npt.assert_allclose(difference[3:6], [0, 0, 0], rtol=0, atol=.00002)
ephem = batch.get_results().get_parts()[-1].get_ephemeris()
assert "ICRF" in ephem
def test_get_methods(self):
propagation_params = {'a': 1}
opm_params = {'b': 2}
batch = Batch(propagation_params, opm_params)
self.assertEqual(propagation_params, batch.get_propagation_params())
self.assertEqual(opm_params, batch.get_opm_params())
self.assertIsNone(batch.get_uuid())
self.assertIsNone(batch.get_calc_state())
self.assertIsNone(batch.get_state_summary())
self.assertIsNone(batch.get_results())
state_summary = StateSummary({'uuid': 'aaa', 'calc_state': 'RUNNING'})
batch.set_state_summary(state_summary)
self.assertEqual(state_summary, batch.get_state_summary())
self.assertEqual('aaa', batch.get_uuid())
self.assertEqual('RUNNING', batch.get_calc_state())
results = {'c': 3}
batch.set_results(results)
self.assertEqual(results, batch.get_results())
# 'perturbation': 3, # sigma perturbation on state vector
# 'hypercube': 'FACES', # hypercube propagation type
# 'originator': 'Robot', # originator of run
# 'object_name': 'TestObj', # object name
# 'object_id': 'test1234', # object ID
})
batch = Batch(propagation_params, opm_params)
print("Submitting OPM:")
print(batch.get_opm_params().generate_opm())
# Submit and wait until batch run is ready
batches_module = Batches(auth_rest)
BatchRunManager(batches_module, [batch]).run()
# Get final parts count
parts_count = batch.get_state_summary().get_parts_count()
print("Final state: %s, part count %s\n" % (batch.get_calc_state(), parts_count))
# Get ephemeris of specified part
part_to_get = 0
eph = batch.get_results().get_parts()[part_to_get].get_ephemeris()
print("Ephemeris:")
print(eph)
# Get the end state vector (uncomment to use)
# end_state_vector = batch.get_results().get_end_state_vector()
# print("State vector at the end of propagation:")
# print(end_state_vector)
# print("\n")