def test_ne():
objs = [
batoid.Table([0, 1], [1, 2], 'linear'),
batoid.Table([0, 1], [1, 2], 'ceil'),
batoid.Table([0, 1], [2, 1], 'linear'),
batoid.Table([], [], 'linear')
]
all_obj_diff(objs)
def test_ne():
objs = [
batoid.Table([0, 1], [1, 2], batoid.Table.Interpolant.linear),
batoid.Table([0, 1], [1, 2], batoid.Table.Interpolant.ceil),
batoid.Table([0, 1], [2, 1], batoid.Table.Interpolant.linear),
batoid.Table([], [], batoid.Table.Interpolant.linear)
]
all_obj_diff(objs)
def test_table_medium_refraction():
import random
random.seed(57721566)
filename = os.path.join(batoid.datadir, "media", "silica_dispersion.txt")
wave, n = np.genfromtxt(filename).T
table = batoid.Table(wave, n, batoid.Table.Interpolant.linear)
silica = batoid.TableMedium(table)
air = batoid.ConstMedium(1.000277)
asphere = batoid.Asphere(25.0, -0.97, [1e-3, 1e-5])
for i in range(10000):
x = random.gauss(0, 1)
y = random.gauss(0, 1)
vx = random.gauss(0, 1e-1)
vy = random.gauss(0, 1e-1)
wavelength = random.uniform(0.3, 1.2)
ray = batoid.Ray(x, y, -0.1, vx, vy, 1, 0, wavelength)
cm1 = batoid.ConstMedium(silica.getN(wavelength))
cm2 = batoid.ConstMedium(air.getN(wavelength))
rray1 = asphere.refract(ray, silica, air)
rray2 = asphere.refract(ray, cm1, cm2)
assert rray1 == rray2
def test_silica_sellmeier_table():
import random
import time
random.seed(577)
# File from phosim
filename = os.path.join(batoid.datadir, "media", "silica_dispersion.txt")
wave, n = np.genfromtxt(filename).T
wave *= 1e-6 # microns -> meters
table = batoid.Table(wave, n, batoid.Table.Interpolant.linear)
table_silica = batoid.TableMedium(table)
# Coefficients from
# https://refractiveindex.info/?shelf=main&book=SiO2&page=Malitson
sellmeier_silica = batoid.SellmeierMedium(0.6961663, 0.4079426, 0.8974794,
0.0684043**2, 0.1162414**2,
9.896161**2)
# Making this a timing test too for fun
ws = []
for i in range(100000):
ws.append(random.uniform(0.3e-6, 1.2e-6))
table_n = []
sellmeier_n = []
t0 = time.time()
for w in ws:
table_n.append(table_silica.getN(w))
t1 = time.time()
for w in ws:
sellmeier_n.append(sellmeier_silica.getN(w))
t2 = time.time()
print("TableMedium took {} s".format(t1 - t0))
print("SellmeierMedium took {} s".format(t2 - t1))
np.testing.assert_allclose(table_n, sellmeier_n, atol=1e-6, rtol=0)
do_pickle(sellmeier_silica)
def parse_medium(value):
from numbers import Real
if isinstance(value, batoid.Medium):
return value
elif isinstance(value, Real):
return batoid.ConstMedium(value)
elif isinstance(value, str):
if value == 'air':
return batoid.Air()
elif value == 'silica':
return batoid.SellmeierMedium(0.6961663, 0.4079426, 0.8974794,
0.0684043**2, 0.1162414**2,
9.896161**2)
elif value == 'hsc_air':
return batoid.ConstMedium(1.0)
w = [0.4, 0.6, 0.75, 0.9, 1.1]
w = [w_ * 1e-6 for w_ in w]
if value == 'hsc_silica':
return batoid.TableMedium(
batoid.Table(w, [
1.47009272, 1.45801158, 1.45421013, 1.45172729, 1.44917721
], batoid.Table.Interpolant.linear))
elif value == 'hsc_bsl7y':
return batoid.TableMedium(
batoid.Table(w, [
1.53123287, 1.51671428, 1.51225242, 1.50939738, 1.50653251
], batoid.Table.Interpolant.linear))
elif value == 'hsc_pbl1y':
return batoid.TableMedium(
batoid.Table(w, [
1.57046066, 1.54784671, 1.54157395, 1.53789058, 1.53457169
], batoid.Table.Interpolant.linear))
elif value == 'NLAK10':
return batoid.SellmeierMedium(1.72878017, 0.169257825, 1.19386956,
0.00886014635, 0.0363416509,
82.9009069)
elif value == 'PFK85':
return batoid.SumitaMedium(2.1858326, -0.0050155632, 0.0075107775,
0.00017770562, -1.2164148e-05,
6.1341005e-07)
elif value == 'BK7':
return batoid.SellmeierMedium(1.03961212, 0.231792344, 1.01046945,
0.00600069867, 0.0200179144,
103.560653)
else:
raise RuntimeError("Unknown medium {}".format(value))
def test_refraction_chromatic():
import random
random.seed(577215664)
wavelength1 = 500e-9
wavelength2 = 600e-9
flux = 1.0
plane = batoid.Plane()
filename = os.path.join(batoid.datadir, "media", "silica_dispersion.txt")
wave, n = np.genfromtxt(filename).T
wave *= 1e-6 # micron -> meters
table = batoid.Table(wave, n, batoid.Table.Interpolant.linear)
silica = batoid.TableMedium(table)
air = batoid.Air()
thx, thy = 0.001, 0.0001
dirCos = batoid.utils.gnomonicToDirCos(thx, thy)
rv1 = batoid.rayGrid(10.0, 1., dirCos[0], dirCos[1], -dirCos[2], 2,
wavelength1, flux, silica)
rv2 = batoid.rayGrid(10.0, 1., dirCos[0], dirCos[1], -dirCos[2], 2,
wavelength2, flux, silica)
rays = []
for ray in rv1:
rays.append(ray)
for ray in rv2:
rays.append(ray)
rvCombined = batoid.RayVector(rays)
rv1r = plane.refract(rv1, silica, air)
rv2r = plane.refract(rv2, silica, air)
assert rv1r != rv2r
rays = []
for ray in rv1r:
rays.append(ray)
for ray in rv2r:
rays.append(ray)
rvrCombined1 = batoid.RayVector(rays)
rvrCombined2 = plane.refract(rvCombined, silica, air)
assert rvrCombined1 == rvrCombined2
# Check in-place
plane.refractInPlace(rv1, silica, air)
plane.refractInPlace(rv2, silica, air)
assert rv1 != rv2
plane.refractInPlace(rvCombined, silica, air)
rays = []
for ray in rv1:
rays.append(ray)
for ray in rv2:
rays.append(ray)
rvCombined2 = batoid.RayVector(rays)
assert rvCombined == rvCombined2
def test_ne():
filename = os.path.join(batoid.datadir, "media", "silica_dispersion.txt")
wave, n = np.genfromtxt(filename).T
wave *= 1e-6 # microns -> meters
table = batoid.Table(wave, n, batoid.Table.Interpolant.linear)
table2 = batoid.Table(wave * 1.01, n, batoid.Table.Interpolant.linear)
objs = [
batoid.ConstMedium(1.0),
batoid.ConstMedium(1.1),
batoid.TableMedium(table),
batoid.TableMedium(table2),
batoid.SellmeierMedium(0.6961663, 0.4079426, 0.8974794, 0.0684043**2,
0.1162414**2, 9.896161**2),
batoid.SellmeierMedium(0.4079426, 0.6961663, 0.8974794, 0.0684043**2,
0.1162414**2, 9.896161**2),
batoid.Air(),
batoid.Air(pressure=100)
]
all_obj_diff(objs)
def test_table_medium():
import random
random.seed(57)
# File from phosim
filename = os.path.join(batoid.datadir, "media", "silica_dispersion.txt")
wave, n = np.genfromtxt(filename).T
wave *= 1e-6 # microns -> meters
table = batoid.Table(wave, n, batoid.Table.Interpolant.linear)
table_medium = batoid.TableMedium(table)
for i in range(100):
w = random.uniform(0.3e-6, 1.2e-6)
assert table_medium.getN(w) == table(w)
assert table_medium.table == table
do_pickle(table_medium)
def test_table():
import random
random.seed(5)
for j in range(10):
m = random.uniform(3, 4)
b = random.uniform(10, 20)
f = lambda x: m * x + b
x = np.array([random.uniform(0, 1) for i in range(10)])
x.sort()
y = f(x)
table = batoid.Table(x, y, 'linear')
xtest = np.array([random.uniform(min(x), max(x)) for i in range(10)])
ytruth = f(xtest)
yinterp = np.array([table(xt) for xt in xtest])
np.testing.assert_allclose(x, table.args, rtol=0, atol=1e-14)
np.testing.assert_allclose(y, table.vals, rtol=0, atol=1e-14)
np.testing.assert_allclose(ytruth, yinterp, rtol=0, atol=1e-14)
assert table.interp == 'linear'
do_pickle(table)
def parse_table(config):
return batoid.Table(config['args'], config['vals'], config['interp'])
def parse_medium(value):
from numbers import Real
if isinstance(value, batoid.Medium):
return value
elif isinstance(value, Real):
return batoid.ConstMedium(value)
elif isinstance(value, str):
if value == 'air':
return batoid.Air()
elif value == 'silica':
return batoid.SellmeierMedium(0.6961663, 0.4079426, 0.8974794,
0.0684043**2, 0.1162414**2,
9.896161**2)
elif value == 'hsc_air':
return batoid.ConstMedium(1.0)
w = [0.4, 0.6, 0.75, 0.9, 1.1]
w = [w_ * 1e-6 for w_ in w]
w_desi = [
365.015, 435.835, 486.133, 587.562, 656.273, 852.110, 1013.98
]
w_desi = [w_ * 1e-9 for w_ in w_desi]
if value == 'hsc_silica':
return batoid.TableMedium(
batoid.Table(w, [
1.47009272, 1.45801158, 1.45421013, 1.45172729, 1.44917721
], batoid.Table.Interpolant.linear))
elif value == 'hsc_bsl7y':
return batoid.TableMedium(
batoid.Table(w, [
1.53123287, 1.51671428, 1.51225242, 1.50939738, 1.50653251
], batoid.Table.Interpolant.linear))
elif value == 'hsc_pbl1y':
return batoid.TableMedium(
batoid.Table(w, [
1.57046066, 1.54784671, 1.54157395, 1.53789058, 1.53457169
], batoid.Table.Interpolant.linear))
elif value == 'desi_C1':
# Use melt data from DESI-2880-v2
return batoid.TableMedium(
batoid.Table(w_desi, [
1.474580, 1.466730, 1.463162, 1.458499, 1.456402, 1.452500,
1.450278
], batoid.Table.Interpolant.linear))
elif value == 'desi_C2':
# Use melt data from DESI-2880-v2
return batoid.TableMedium(
batoid.Table(w_desi, [
1.474641, 1.466791, 1.463223, 1.458561, 1.45646, 1.452563,
1.450342
], batoid.Table.Interpolant.linear))
elif value == 'desi_ADC1':
# Use melt data from DESI-2880-v2
return batoid.TableMedium(
batoid.Table(w_desi, [
1.536945, 1.527374, 1.523070, 1.517498, 1.515022, 1.510508,
1.508023
], batoid.Table.Interpolant.linear))
elif value == 'desi_ADC2':
# Use melt data from DESI-2880-v2
return batoid.TableMedium(
batoid.Table(w_desi, [
1.536225, 1.526635, 1.522325, 1.516746, 1.514267, 1.509743,
1.507246
], batoid.Table.Interpolant.linear))
elif value == 'desi_C3':
# Use generic fused silica until melt data is available.
return batoid.TableMedium(
batoid.Table(w_desi, [
1.474555, 1.466701, 1.463132, 1.458467, 1.45637, 1.452469,
1.450245
], batoid.Table.Interpolant.linear))
elif value == 'desi_C4':
# Use generic fused silica until melt data is available.
return batoid.TableMedium(
batoid.Table(w_desi, [
1.474555, 1.466701, 1.463132, 1.458467, 1.45637, 1.452469,
1.450245
], batoid.Table.Interpolant.linear))
elif value == 'NLAK10':
return batoid.SellmeierMedium(1.72878017, 0.169257825, 1.19386956,
0.00886014635, 0.0363416509,
82.9009069)
elif value == 'PFK85':
return batoid.SumitaMedium(2.1858326, -0.0050155632, 0.0075107775,
0.00017770562, -1.2164148e-05,
6.1341005e-07)
elif value == 'BK7':
return batoid.SellmeierMedium(1.03961212, 0.231792344, 1.01046945,
0.00600069867, 0.0200179144,
103.560653)
else:
raise RuntimeError("Unknown medium {}".format(value))
