def test_random_perturbation():
for trials in range(100):
localization = np.random.rand((3)) * np.random.uniform(1, 100)
perturbation = random_perturbation(localization, 0)
assert np.allclose(perturbation, localization)
shift = np.random.uniform(-3, 3)
perturbation = random_perturbation(localization, shift)
def _sample_parameters(self):
distance = sample_uniformly(self.distance)
camera_origin = sample_point_in_sphere(distance, self.top_only)
camera_origin = random_perturbation(camera_origin, self.epsilon)
light_intensity = sample_uniformly(self.light_intensity)
return camera_origin, light_intensity
def _sample_camera_origin(self):
distance = sample_uniformly(self.distance)
camera_origin = sample_point_in_sphere(distance, self.top_only)
camera_origin = random_perturbation(camera_origin, self.epsilon)
return camera_origin