def parse_line(line, name):
alpha = convert_hours_to_angle(line[4:14].replace(' ', '0'))
delta = convert_str_to_angle(line[16:24].replace(' ', '0'))
if line[15] == '-':
delta = -delta
delta = 90 - delta
color = line[49]
let = line[103:106]
m = float(line[41:46].replace(' ', '0'))
return Star(spherical_to_decart(alpha, delta), color, m, name, GREEK[let])
def change_direction(self, theta, phi):
theta = parse.convert_str_to_angle(theta)
phi = parse.convert_str_to_angle(phi)
theta = 90 - theta
p = geometry.spherical_to_decart(phi, theta)
w = self.top * self.direction
angle = self.top.in_basis(w, self.top).get_angle_2d(
self.direction.ort().with_len(1).in_basis(w, self.top))
self._direction, self._top = p.with_len(1), p.ort().with_len(1)
self._top = self._top.rotate(angle, self._direction)
self.direction = self.direction
self.cache = None
def test_spherical_to_decart_equathor_simple(self):
p = geometry.spherical_to_decart(270, 90)
self.assertAlmostEqual(p.x, 0)
self.assertAlmostEqual(p.y, -1)
self.assertAlmostEqual(p.z, 0)
def test_spherical_to_decart_equathor_other(self):
p = geometry.spherical_to_decart(90, 90)
self.assertAlmostEqual(p.x, 0)
self.assertAlmostEqual(p.y, 1)
self.assertAlmostEqual(p.z, 0)
def test_spherical_to_decart_equathor_west(self):
p = geometry.spherical_to_decart(180, 90)
self.assertAlmostEqual(p.x, -1)
self.assertAlmostEqual(p.y, 0)
self.assertAlmostEqual(p.z, 0)
def test_spherical_to_decart_south_poles(self):
p = geometry.spherical_to_decart(0, 180)
self.assertAlmostEqual(p.x, 0)
self.assertAlmostEqual(p.y, 0)
self.assertAlmostEqual(p.z, -1)