def test_J2000_ecliptic_coordinates_with_and_without_a_time_array():
p0 = ICRF((1, 0, 0))
p1 = ICRF((0, 1, 0))
p2 = ICRF(((1, 0), (0, 1), (0, 0)))
lat0, lon0, distance0 = p0.ecliptic_latlon(epoch=None)
lat1, lon1, distance1 = p1.ecliptic_latlon(epoch=None)
lat2, lon2, distance2 = p2.ecliptic_latlon(epoch=None)
assert lat2.degrees[0] == lat0.degrees
assert lat2.degrees[1] == lat1.degrees
assert lon2.degrees[0] == lon0.degrees
assert lon2.degrees[1] == lon1.degrees
assert distance2.au[0] == distance0.au
assert distance2.au[1] == distance1.au
def test_J2000_ecliptic_coordinates_with_and_without_a_time_array():
p0 = ICRF((1,0,0))
p1 = ICRF((0,1,0))
p2 = ICRF(((1, 0),
(0, 1),
(0, 0)))
lat0, lon0, distance0 = p0.ecliptic_latlon(epoch=None)
lat1, lon1, distance1 = p1.ecliptic_latlon(epoch=None)
lat2, lon2, distance2 = p2.ecliptic_latlon(epoch=None)
assert lat2.degrees[0] == lat0.degrees
assert lat2.degrees[1] == lat1.degrees
assert lon2.degrees[0] == lon0.degrees
assert lon2.degrees[1] == lon1.degrees
assert distance2.au[0] == distance0.au
assert distance2.au[1] == distance1.au
def test_dynamic_ecliptic_coordinates_with_and_without_a_time_array():
ts = api.load.timescale()
t = ts.utc(1980)
p0 = ICRF((1, 0, 0))
p1 = ICRF((0, 1, 0))
p2 = ICRF(((1, 0), (0, 1), (0, 0)))
lat0, lon0, distance0 = p0.ecliptic_latlon(epoch=t)
lat1, lon1, distance1 = p1.ecliptic_latlon(epoch=t)
lat2, lon2, distance2 = p2.ecliptic_latlon(epoch=t)
assert lat2.degrees[0] == lat0.degrees
assert lat2.degrees[1] == lat1.degrees
assert lon2.degrees[0] == lon0.degrees
assert lon2.degrees[1] == lon1.degrees
assert distance2.au[0] == distance0.au
assert distance2.au[1] == distance1.au
def test_dynamic_ecliptic_coordinates_with_and_without_a_time_array():
ts = api.load.timescale()
t = ts.utc(1980)
p0 = ICRF((1,0,0))
p1 = ICRF((0,1,0))
p2 = ICRF(((1, 0),
(0, 1),
(0, 0)))
lat0, lon0, distance0 = p0.ecliptic_latlon(epoch=t)
lat1, lon1, distance1 = p1.ecliptic_latlon(epoch=t)
lat2, lon2, distance2 = p2.ecliptic_latlon(epoch=t)
assert lat2.degrees[0] == lat0.degrees
assert lat2.degrees[1] == lat1.degrees
assert lon2.degrees[0] == lon0.degrees
assert lon2.degrees[1] == lon1.degrees
assert distance2.au[0] == distance0.au
assert distance2.au[1] == distance1.au
