def test_random_state_gauss2d():
"""With given random state, the output value should stay the same.
Test performs on 2D gaussian.
"""
dlist = []
motor1 = SynAxis(name='motor1')
motor2 = SynAxis(name='motor2')
for i in range(2):
s = np.random.RandomState(0)
noisy_det = Syn2DGauss('noisy_det', motor1, 'motor1', motor2, 'motor2',
center=(0, 0), Imax=1, noise='uniform',
sigma=1, noise_multiplier=0.1, random_state=s)
noisy_det.trigger()
d = noisy_det.read()['noisy_det']['value']
dlist.append(d)
assert dlist[0] == dlist[1]
def get_2d_det():
"""Create a new 2d detector
Returns
-------
Syn2DGauss object
"""
x = get_motor()
y = get_motor()
detname = 'det2d_' + unique_name()
det = Syn2DGauss(detname, x, x.name, y, y.name,
center=(random.sample(range(-10, 10), 2)),
Imax=random.randrange(1, 10),
sigma=random.randrange(0, 5),
noise=random.choice(['poisson', 'uniform', None]),
noise_multiplier=random.random()*5)
all_objects.add(det)
return det