def test_options_tolerance(self):
p = Orekit(
orekit_data=self.orekit_data,
settings=dict(position_tolerance=1.0, ),
)
ecefs1 = p.propagate(self.t0, **self.init_data)
p = Orekit(
orekit_data=self.orekit_data,
settings=dict(position_tolerance=100.0, ),
)
ecefs2 = p.propagate(self.t0, **self.init_data)
nt.assert_array_almost_equal(ecefs2, ecefs1, decimal=1)
def test_raise_frame(self):
with self.assertRaises(Exception):
p = Orekit(
orekit_data=self.orekit_data,
settings=dict(in_frame='THIS DOES NOT EXIST', ),
)
ecefs = p.propagate(self.t0, **self.init_data)
with self.assertRaises(Exception):
p = Orekit(
orekit_data=self.orekit_data,
settings=dict(out_frame='THIS DOES NOT EXIST', ),
)
ecefs = p.propagate(self.t0, **self.init_data)
def test_options_more_solarsystem(self):
p = Orekit(
orekit_data=self.orekit_data,
settings=dict(
solarsystem_perturbers=['Moon', 'Sun', 'Jupiter', 'Saturn'], ),
)
ecefs = p.propagate(self.t0, **self.init_data)
def test_raise_bodies(self):
with self.assertRaises(Exception):
p = Orekit(
orekit_data=self.orekit_data,
settings=dict(solarsystem_perturbers=['THIS DOES NOT EXIST'
], ),
)
ecefs = p.propagate(self.t0, **self.init_data)
def test_options_gravity_order(self):
p = Orekit(
orekit_data=self.orekit_data,
settings=dict(
earth_gravity='HolmesFeatherstone',
gravity_order=(3, 3),
),
)
ecefs = p.propagate(self.t0, **self.init_data)
def test_options_frames(self):
p = Orekit(
orekit_data=self.orekit_data,
settings=dict(
in_frame='ITRS',
out_frame='GCRS',
),
)
ecefs = p.propagate(self.t0, **self.init_data)
def test_raise_sc_params_missing(self):
p = Orekit(
orekit_data=self.orekit_data,
settings=dict(
radiation_pressure=True,
drag_force=True,
),
)
with self.assertRaises(Exception):
init__ = self.init_data.copy()
del init__['C_R']
ecefs = p.propagate(self.t0, **init__)
with self.assertRaises(Exception):
init__ = self.init_data.copy()
del init__['C_D']
ecefs = p.propagate(self.t0, **init__)
def test_raise_models(self):
with self.assertRaises(Exception):
p = Orekit(
orekit_data=self.orekit_data,
settings=dict(earth_gravity='THIS DOES NOT EXIST', ),
)
ecefs = p.propagate(self.t0, **self.init_data)
with self.assertRaises(Exception):
p = Orekit(
orekit_data=self.orekit_data,
settings=dict(atmosphere='THIS DOES NOT EXIST', ),
)
ecefs = p.propagate(self.t0, **self.init_data)
with self.assertRaises(Exception):
p = Orekit(
orekit_data=self.orekit_data,
settings=dict(solar_activity='THIS DOES NOT EXIST', ),
)
ecefs = p.propagate(self.t0, **self.init_data)
def test_options_gravity_kep(self):
p = Orekit(
orekit_data=self.orekit_data,
settings=dict(earth_gravity='Newtonian', ),
)
ecefs = p.propagate(self.t0, **self.init_data)
def test_options_integrator(self):
p = Orekit(
orekit_data=self.orekit_data,
settings=dict(integrator='GraggBulirschStoer', ),
)
ecefs = p.propagate(self.t0, **self.init_data)
def test_options_tidal(self):
p = Orekit(
orekit_data=self.orekit_data,
settings=dict(frame_tidal_effects=True, ),
)
ecefs = p.propagate(self.t0, **self.init_data)
def test_get_orbit_kep(self):
p = Orekit(orekit_data=self.orekit_data)
ecefs = p.propagate(self.t, **self.init_data)
self.assertEqual(ecefs.shape, (6, len(self.t)))
def test_options_jpliau(self):
p = Orekit(
orekit_data=self.orekit_data,
settings=dict(constants_source='JPL-IAU', ),
)
ecefs = p.propagate(self.t0, **self.init_data)
def test_options_rad_off(self):
p = Orekit(
orekit_data=self.orekit_data,
settings=dict(radiation_pressure=False, ),
)
ecefs = p.propagate(self.t0, **self.init_data)
def test_options_drag_off(self):
p = Orekit(
orekit_data=self.orekit_data,
settings=dict(drag_force=False, ),
)
ecefs = p.propagate(self.t0, **self.init_data)
orekit_data = '/home/danielk/IRF/IRF_GITLAB/orekit_build/orekit-data-master.zip'
prop = Orekit(
orekit_data = orekit_data,
settings=dict(
in_frame='Orekit-ITRF',
out_frame='Orekit-EME',
drag_force = False,
radiation_pressure = False,
)
)
print(prop)
state0 = np.array([-7100297.113,-3897715.442,18568433.707,86.771,-3407.231,2961.571])
t = np.linspace(0,3600*24.0*2,num=5000)
mjd0 = 53005
states = prop.propagate(t, state0, mjd0, A=1.0, C_R = 1.0, C_D = 1.0)
fig = plt.figure(figsize=(15,15))
ax = fig.add_subplot(111, projection='3d')
ax.plot(states[0,:], states[1,:], states[2,:],"-b")
max_range = np.linalg.norm(state0[0:3])*2
ax.set_xlim(-max_range, max_range)
ax.set_ylim(-max_range, max_range)
ax.set_zlim(-max_range, max_range)
plt.show()