def test_angular_position_from_hd():
a = AngularPosition.from_hd("19 16 35.57 +30 11 00.5")
assert round(a.alpha.h, 12) == round(19 + 16 / 60.0 + 35.57 / 3600.0, 12)
assert round(a.delta.d, 12) == round(30 + 11 / 60.0 + 0.5 / 3600.0, 12)
a = AngularPosition.from_hd("19d 16 35.57 +30 11 00.5")
assert round(a.alpha.d, 12) == round(19 + 16 / 60.0 + 35.57 / 3600.0, 12)
assert round(a.delta.d, 12) == round(30 + 11 / 60.0 + 0.5 / 3600.0, 12)
def test_angular_position_from_hd():
a = AngularPosition.from_hd("19 16 35.57 +30 11 00.5")
assert round(a.alpha.h, 12) == round(19 + 16/60.0 + 35.57/3600.0, 12)
assert round(a.delta.d, 12) == round(30 + 11/60.0 + 0.5/3600.0, 12)
a = AngularPosition.from_hd("19d 16 35.57 +30 11 00.5")
assert round(a.alpha.d, 12) == round(19 + 16/60.0 + 35.57/3600.0, 12)
assert round(a.delta.d, 12) == round(30 + 11/60.0 + 0.5/3600.0, 12)
def test_angular_position():
# should get converted to (345, -89)
ap = AngularPosition(alpha=165, delta=-91)
assert round(ap.alpha.d, 12) == 345
assert round(ap.delta.d, 12) == -89
# changing delta to -91 again should switch alpha back to 165
ap.delta.d = -91
assert round(ap.alpha.d, 12) == 165
assert round(ap.delta.d, 12) == -89
# changing to 89 shouldn't change alpha
ap.delta.d = 89
assert round(ap.alpha.d, 12) == 165
assert round(ap.delta.d, 12) == 89
# changing alpha shouldn't change delta
ap.alpha.d = -180
assert round(ap.alpha.d, 12) == 180
assert round(ap.delta.d, 12) == 89
def test_angular_position_bear():
a = AngularPosition(45.0, 45.0)
b = AngularPosition(45.0, -45.0)
assert round(a.bear(b), 12) == round(d2r(180), 12)
def test_angular_position_sep():
a = AngularPosition(45.0, 45.0)
b = AngularPosition(45.0, -45.0)
assert round(a.sep(b), 12) == round(d2r(90), 12)
def test_angular_position_bear():
a = AngularPosition(45.0, 45.0)
b = AngularPosition(45.0, -45.0)
assert round(a.bear(b), 12) == round(d2r(180), 12)
def test_angular_position_sep():
a = AngularPosition(45.0, 45.0)
b = AngularPosition(45.0, -45.0)
assert round(a.sep(b), 12) == round(d2r(90), 12)