def offline_settings():
resonant.SAMPLING_RATE = 3
resonant.NUM_MICS = 3
resonant.MIC_POSITIONS = [
SphericalPt(1, 0, 0),
SphericalPt(1, 2 * math.pi / 3, 0),
SphericalPt(1, 4 * math.pi / 3, 0)
]
def test_delay_from_source(self, mic_fixture):
signal = np.array([1, 1, 1, 2, 2])
# 2d first, top left corner of square first
angle = math.pi / 4
microphone: Mic = mic_fixture(signal)
microphone.position = SphericalPt(1, math.pi / 4, 0)
src = SphericalPt(1, math.pi / 4, 0)
expected = 1 / resonant.V_SOUND
assert microphone.delay_from_source(src) == expected
def test_interpolation(signal, expected):
resonant.INTERPOLATION_AMOUNT = 1
signal = np.array(signal)
mic = Mic(signal, SphericalPt(1, 0, 0))
algo = Algorithm([mic])
result = algo.interpolate_signals([signal])
assert result[0].tolist() == np.array(expected).tolist()
def __init__(self, polar_angle, audio: np.ndarray):
self.id = None
self.position: SphericalPt = SphericalPt.angle_only(polar_angle)
self.name = "" # TODO FIX
temp_arr = np.empty(resonant.MAX_ML_SAMPLES)
temp_arr[:] = np.nan
self.audio = push_array(audio, temp_arr)
self.cycles_lived = 0
self.cycles_to_live = resonant.CYCLES_TO_LIVE
def sources():
empty_audio = np.zeros(5)
resonant.SOURCE_MARGIN = SphericalPt.angle_only(5)
resonant.MAX_ML_SAMPLES = 8
resonant.MIN_ML_SAMPLES = 6
sources = [
Source(30, empty_audio),
Source(88, empty_audio),
]
return sources
def mic(signal):
src = SphericalPt(1, math.pi / 4, math.pi / 4)
return Mic(signal, src)
def test_to_cartesian(self):
cartesian_coords = (3, 4, 5)
spherical_coords = (7.0710678118655, 0.92729521800161,
math.pi/2 - 0.78539816339745)
assert pytest.approx(SphericalPt(
*spherical_coords).to_cartesian()) == cartesian_coords
def test_within_margin(self):
origin = SphericalPt(1, 0, 0)
margin = SphericalPt(1, 5, 4)
# Test polar
polar_inside = SphericalPt(1, 3, 0)
assert origin.within_margin(margin, polar_inside) is True
polar_outside = SphericalPt(1, 6.1, 0)
polar_outside_neg = SphericalPt(1, -6.1, 0)
assert origin.within_margin(margin, polar_outside) is False
assert origin.within_margin(margin, polar_outside_neg) is False
# Test azimuth
polar_inside = SphericalPt(1, 0, 3)
assert origin.within_margin(margin, polar_inside) is True
polar_outside = SphericalPt(1, 0, 4.1)
polar_outside_neg = SphericalPt(1, 0, -4.1)
assert origin.within_margin(margin, polar_outside) is False
assert origin.within_margin(margin, polar_outside_neg) is False
def test_copy(self):
pt = SphericalPt(1, 2, 3)
assert SphericalPt.copy(pt) == pt