def write_reference():
np.random.seed(0)
p = create_random_pointings([0, 90], NPTG, ANGLE)
FitsArray([p.azimuth, p.elevation, p.pitch, p.angle_hwp]).save(FILEPTG)
for kind, map, filename in zip(['I', 'IQU'], [MAPIQU[..., 0], MAPIQU],
[FILETODI, FILETODIQU]):
acq = QubicAcquisition(INSTRUMENT, p, nside=256, kind=kind)
tod = acq.get_observation(map, noiseless=True)
FitsArray(tod).save(filename)
def test_noiseless():
sampling = create_random_pointings([0, 90], 100, 10)
acq_qubic = QubicAcquisition(150, sampling)
acq_planck = PlanckAcquisition(150, acq_qubic.scene, true_sky=SKY)
acq_fusion = QubicPlanckAcquisition(acq_qubic, acq_planck)
np.random.seed(0)
y1 = acq_fusion.get_observation()
np.random.seed(0)
y2 = acq_fusion.get_observation(noiseless=True) + acq_fusion.get_noise()
assert_same(y1, y2)
def test_noiseless():
sampling = create_random_pointings([0, 90], 100, 10)
acq_qubic = QubicAcquisition(150, sampling)
acq_planck = PlanckAcquisition(150, acq_qubic.scene, true_sky=SKY)
acq_fusion = QubicPlanckAcquisition(acq_qubic, acq_planck)
np.random.seed(0)
y1 = acq_fusion.get_observation()
np.random.seed(0)
y2 = acq_fusion.get_observation(noiseless=True) + acq_fusion.get_noise()
assert_same(y1, y2)
def test():
kinds = 'I', 'IQU'
instrument = QubicInstrument(synthbeam_dtype=float)[:400]
np.random.seed(0)
sampling = create_random_pointings([0, 90], 30, 5)
skies = np.ones(12 * 256**2), np.ones((12 * 256**2, 3))
def func(sampling, kind, sky, ref1, ref2, ref3, ref4, ref5, ref6):
nprocs_instrument = max(size // 2, 1)
acq = QubicAcquisition(instrument,
sampling,
kind=kind,
nprocs_instrument=nprocs_instrument)
assert_equal(acq.comm.size, size)
assert_equal(acq.instrument.detector.comm.size, nprocs_instrument)
assert_equal(acq.sampling.comm.size, size / nprocs_instrument)
H = acq.get_operator()
invntt = acq.get_invntt_operator()
tod = H(sky)
#actual1 = acq.unpack(H(sky))
#assert_same(actual1, ref1, atol=20)
actual2 = H.T(invntt(tod))
assert_same(actual2, ref2, atol=20)
actual2 = (H.T * invntt * H)(sky)
assert_same(actual2, ref2, atol=20)
actual3, actual4 = tod2map_all(acq, tod, disp=False, maxiter=2)
assert_same(actual3, ref3, atol=20)
assert_same(actual4, ref4, atol=20)
#actual5, actual6 = tod2map_each(acq, tod, disp=False)
#assert_same(actual5, ref5, atol=1000)
#assert_same(actual6, ref6)
for kind, sky in zip(kinds, skies):
acq = QubicAcquisition(instrument,
sampling,
kind=kind,
comm=MPI.COMM_SELF)
assert_equal(acq.comm.size, 1)
H = acq.get_operator()
invntt = acq.get_invntt_operator()
tod = H(sky)
ref1 = acq.unpack(tod)
ref2 = H.T(invntt(tod))
ref3, ref4 = tod2map_all(acq, tod, disp=False, maxiter=2)
ref5, ref6 = None, None #tod2map_each(acq, tod, disp=False)
yield (func, sampling, kind, sky, ref1, ref2, ref3, ref4, ref5, ref6)
def _get_average_instrument_acq(self):
q0 = self[0].instrument
nu_min = q0.filter.nu
nu_max = self[-1].instrument.filter.nu
nep = q0.detector.nep
fknee = q0.detector.fknee
fslope = q0.detector.fslope
q = QubicInstrument(
filter_nu=(nu_max + nu_min) / 2.0,
filter_relative_bandwidth=(nu_max - nu_min) / ((nu_max + nu_min) / 2.0),
detector_nep=nep,
detector_fknee=fknee,
detector_fslope=fslope,
)
s_ = self[0].sampling
nsamplings = self[0].comm.allreduce(len(s_))
s = create_random_pointings([0.0, 0.0], nsamplings, 10.0, period=s_.period)
a = QubicAcquisition(q, s, self[0].scene, photon_noise=True, effective_duration=self[0].effective_duration)
return a
def test():
kinds = 'I', 'IQU'
instrument = QubicInstrument(synthbeam_dtype=float)[:400]
np.random.seed(0)
sampling = create_random_pointings([0, 90], 30, 5)
skies = np.ones(12 * 256**2), np.ones((12 * 256**2, 3))
def func(sampling, kind, sky, ref1, ref2, ref3, ref4, ref5, ref6):
nprocs_instrument = max(size // 2, 1)
acq = QubicAcquisition(instrument, sampling, kind=kind,
nprocs_instrument=nprocs_instrument)
assert_equal(acq.comm.size, size)
assert_equal(acq.instrument.detector.comm.size, nprocs_instrument)
assert_equal(acq.sampling.comm.size, size / nprocs_instrument)
H = acq.get_operator()
invntt = acq.get_invntt_operator()
tod = H(sky)
#actual1 = acq.unpack(H(sky))
#assert_same(actual1, ref1, atol=20)
actual2 = H.T(invntt(tod))
assert_same(actual2, ref2, atol=20)
actual2 = (H.T * invntt * H)(sky)
assert_same(actual2, ref2, atol=20)
actual3, actual4 = tod2map_all(acq, tod, disp=False, maxiter=2)
assert_same(actual3, ref3, atol=20)
assert_same(actual4, ref4, atol=20)
#actual5, actual6 = tod2map_each(acq, tod, disp=False)
#assert_same(actual5, ref5, atol=1000)
#assert_same(actual6, ref6)
for kind, sky in zip(kinds, skies):
acq = QubicAcquisition(instrument, sampling, kind=kind,
comm=MPI.COMM_SELF)
assert_equal(acq.comm.size, 1)
H = acq.get_operator()
invntt = acq.get_invntt_operator()
tod = H(sky)
ref1 = acq.unpack(tod)
ref2 = H.T(invntt(tod))
ref3, ref4 = tod2map_all(acq, tod, disp=False, maxiter=2)
ref5, ref6 = None, None #tod2map_each(acq, tod, disp=False)
yield (func, sampling, kind, sky, ref1, ref2, ref3, ref4, ref5, ref6)
def test():
instrument = QubicInstrument()[:10]
sampling = create_random_pointings([0, 90], 30, 5)
nside = 64
scenes = QubicScene(nside, kind='I'), QubicScene(nside)
def func(scene, max_nbytes, ref1, ref2, ref3, ref4, ref5, ref6):
acq = QubicAcquisition(instrument,
sampling,
scene,
max_nbytes=max_nbytes)
sky = np.ones(scene.shape)
H = acq.get_operator()
actual1 = H(sky)
assert_same(actual1, ref1, atol=10)
actual2 = H.T(actual1)
assert_same(actual2, ref2, atol=10)
actual2 = (H.T * H)(sky)
assert_same(actual2, ref2, atol=10)
actual3, actual4 = tod2map_all(acq, ref1, disp=False)
assert_same(actual3, ref3, atol=10000)
assert_same(actual4, ref4)
actual5, actual6 = tod2map_each(acq, ref1, disp=False)
assert_same(actual5, ref5, atol=1000)
assert_same(actual6, ref6)
for scene in scenes:
acq = QubicAcquisition(instrument, sampling, scene)
sky = np.ones(scene.shape)
nbytes_per_sampling = acq.get_operator_nbytes() // len(acq.sampling)
H = acq.get_operator()
ref1 = H(sky)
ref2 = H.T(ref1)
ref3, ref4 = tod2map_all(acq, ref1, disp=False)
ref5, ref6 = tod2map_each(acq, ref1, disp=False)
for max_sampling in 10, 29, 30:
max_nbytes = None if max_sampling is None \
else max_sampling * nbytes_per_sampling
yield (func, scene, max_nbytes, ref1, ref2, ref3, ref4, ref5, ref6)
def test():
instrument = QubicInstrument()[:10]
sampling = create_random_pointings([0, 90], 30, 5)
nside = 64
scenes = QubicScene(nside, kind='I'), QubicScene(nside)
def func(scene, max_nbytes, ref1, ref2, ref3, ref4, ref5, ref6):
acq = QubicAcquisition(instrument, sampling, scene,
max_nbytes=max_nbytes)
sky = np.ones(scene.shape)
H = acq.get_operator()
actual1 = H(sky)
assert_same(actual1, ref1, atol=10)
actual2 = H.T(actual1)
assert_same(actual2, ref2, atol=10)
actual2 = (H.T * H)(sky)
assert_same(actual2, ref2, atol=10)
actual3, actual4 = tod2map_all(acq, ref1, disp=False)
assert_same(actual3, ref3, atol=10000)
assert_same(actual4, ref4)
actual5, actual6 = tod2map_each(acq, ref1, disp=False)
assert_same(actual5, ref5, atol=1000)
assert_same(actual6, ref6)
for scene in scenes:
acq = QubicAcquisition(instrument, sampling, scene)
sky = np.ones(scene.shape)
nbytes_per_sampling = acq.get_operator_nbytes() // len(acq.sampling)
H = acq.get_operator()
ref1 = H(sky)
ref2 = H.T(ref1)
ref3, ref4 = tod2map_all(acq, ref1, disp=False)
ref5, ref6 = tod2map_each(acq, ref1, disp=False)
for max_sampling in 10, 29, 30:
max_nbytes = None if max_sampling is None \
else max_sampling * nbytes_per_sampling
yield (func, scene, max_nbytes, ref1, ref2, ref3, ref4, ref5, ref6)
thgal, phgal = hp.pix2ang(nsmap, np.arange(12 * nsmap**2))
llgal = np.degrees(phgal) - 180
bbgal = 90 - np.degrees(thgal)
ra, dec = gal2equ(llgal, bbgal)
mp.clf()
mp.subplot(211, projection='mollweide')
mp.plot(np.radians(llgal),np.radians(bbgal), '.')
mp.title('Galactic')
mp.subplot(212, projection='mollweide')
mp.plot(np.radians(ra-180), np.radians(dec), '.')
mp.title('Equatorial')
#### create pointings at the center of each healpix pixel
npointings = 12 * nsmap**2
initpointing = create_random_pointings([ra[0], dec[0]], npointings, 0.001)
bar = progress_bar(npointings)
for i in np.arange(npointings):
bla = create_random_pointings([ra[i], dec[i]], 2, 0.01)
initpointing[i] = bla[0]
bar.update()
fracvals = [0.3, 0.5, 0.9, 0.999]
mapmean_cmb = np.zeros((len(fracvals), npointings))
mapmean_dust = np.zeros((len(fracvals), npointings))
mapmean_all = np.zeros((len(fracvals), npointings))
maprms_cmb = np.zeros((len(fracvals), npointings))
maprms_dust = np.zeros((len(fracvals), npointings))
maprms_all = np.zeros((len(fracvals), npointings))
for j in np.arange(len(fracvals)):
frac = fracvals[j]
############# Parameters ##########################################################
racenter = 0.0 # deg
deccenter = -57.0 # deg
center = equ2gal(racenter, deccenter)
duration = 24 # hours
ts = 30. # seconds
ang = 20 # degrees
##################################################################################
############## True Pointing #####################################################
pointing = create_random_pointings([racenter, deccenter], duration*3600/ts, ang, period=ts)
hwp_angles = np.random.random_integers(0, 7, len(pointing)) * 11.25
pointing.pitch = 0
pointing.angle_hwp = hwp_angles
npoints = len(pointing)
##################################################################################
############# Instrument with Alternative Primary Beam ###########################
inst = QubicInstrument(detector_tau=0.0001,
detector_sigma=noise,
detector_fknee=0.,
detector_fslope=1)
if hornprofile != 0:
pb = AltPrimaryBeam(14,hornprofile)
inst.primary_beam=pb
from pyquad import pyquad
from pyoperators import pcg, DiagonalOperator, UnpackOperator
from pysimulators import ProjectionInMemoryOperator
from qubic import QubicConfiguration, QubicInstrument, create_random_pointings
path = os.path.dirname('/Users/hamilton/idl/pro/Qubic/People/pierre/qubic/script/script_ga.py')
nside=1024
input_map=np.zeros(12*nside**2)
input_map[0]=1
#### QUBIC Instrument
kmax = 2
qubic = QubicInstrument('monochromatic,nopol',nside=nside)
pointings = create_random_pointings(10000, 20)
#### configure observation
obs = QubicConfiguration(qubic, pointings)
C = obs.get_convolution_peak_operator()
P = obs.get_projection_peak_operator(kmax=kmax)
H = P * C
# Produce the Time-Ordered data
tod = H(input_map)
# map-making
coverage = P.T(np.ones_like(tod))
mask = coverage < 10
P.matrix.pack(mask)
P_packed = ProjectionInMemoryOperator(P.matrix)
from __future__ import division
import numpy as np
from pyoperators.utils import settingerr
from pyoperators.utils.testing import assert_equal, assert_same, assert_is_type
from pysimulators import BeamGaussian, BeamUniformHalfSpace, FitsArray
from qubic import (
create_random_pointings, QubicAcquisition, QubicInstrument, QubicSampling,
QubicScene)
q = QubicInstrument()
s = create_random_pointings([0, 90], 5, 10.)
def test_detector_indexing():
expected = FitsArray('test/data/detector_indexing.fits')
assert_same(q.detector.index, expected)
def test_beams():
assert_is_type(q.primary_beam, BeamGaussian)
assert_is_type(q.secondary_beam, BeamGaussian)
a = QubicAcquisition(150, s, primary_beam=BeamUniformHalfSpace(),
secondary_beam=BeamUniformHalfSpace())
assert_is_type(a.instrument.primary_beam, BeamUniformHalfSpace)
assert_is_type(a.instrument.secondary_beam, BeamUniformHalfSpace)
def test_primary_beam():
def primary_beam(theta, phi):
import numpy as np
with settingerr(invalid='ignore'):
from __future__ import division
import numpy as np
from pyoperators.utils import settingerr
from pyoperators.utils.testing import assert_equal, assert_same, assert_is_type
from pysimulators import BeamGaussian, BeamUniformHalfSpace, FitsArray
from qubic import (create_random_pointings, QubicAcquisition, QubicInstrument,
QubicSampling, QubicScene)
q = QubicInstrument()
s = create_random_pointings([0, 90], 5, 10.)
def test_detector_indexing():
expected = FitsArray('test/data/detector_indexing.fits')
assert_same(q.detector.index, expected)
def test_beams():
assert_is_type(q.primary_beam, BeamGaussian)
assert_is_type(q.secondary_beam, BeamGaussian)
a = QubicAcquisition(150,
s,
primary_beam=BeamUniformHalfSpace(),
secondary_beam=BeamUniformHalfSpace())
assert_is_type(a.instrument.primary_beam, BeamUniformHalfSpace)
assert_is_type(a.instrument.secondary_beam, BeamUniformHalfSpace)
def test_primary_beam():
def primary_beam(theta, phi):
import numpy as np
create_random_pointings, equ2gal, QubicAcquisition, PlanckAcquisition,
QubicPlanckAcquisition, QubicScene)
from qubic.data import PATH
from qubic.io import read_map
import healpy as hp
import matplotlib.pyplot as mp
import numpy as np
racenter = 0.0 # deg
deccenter = -57.0 # deg
maxiter = 1000
tol = 5e-6
sky = read_map(PATH + 'syn256_pol.fits')
nside = 256
sampling = create_random_pointings([racenter, deccenter], 1000, 10)
scene = QubicScene(nside)
acq_qubic = QubicAcquisition(150, sampling, scene, effective_duration=1)
convolved_sky = acq_qubic.instrument.get_convolution_peak_operator()(sky)
acq_planck = PlanckAcquisition(150, acq_qubic.scene, true_sky=convolved_sky)
acq_fusion = QubicPlanckAcquisition(acq_qubic, acq_planck)
H = acq_fusion.get_operator()
invntt = acq_fusion.get_invntt_operator()
y = acq_fusion.get_observation()
A = H.T * invntt * H
b = H.T * invntt * y
solution_fusion = pcg(A, b, disp=True, maxiter=maxiter, tol=tol)
################### Make a MC: make various maps useful later
from pysimulators import FitsArray
dtheta=15.
npointings=5000
calerror=1e-2
nbmc=1000
for n in np.arange(nbmc):
print(' ')
print(' ')
print(' ')
print('#############################')
print('####### mc '+str(n))
print('#############################')
mapi,mapq,mapu=hp.synfast(spectra[1:],nside,fwhm=fwhmrad,pixwin=True,new=True)
rnd_pointing=create_random_pointings([racenter, deccenter],npointings,dtheta)
tod=mm.map2tod(maps,rnd_pointing,qubic)
tod_spoiled=tod.copy()
rndcal=np.random.normal(loc=1.,scale=calerror,size=(len(detectors),2))
for i in np.arange(len(detectors)):
for j in np.arange(2):
tod_spoiled[i,:,j]=rndcal[i,j]*tod[i,:,j]
output_maps_all,call=mm.tod2map(tod,rnd_pointing,qubic,disp=False)
output_maps_all_spoiled,call_spoiled=mm.tod2map(tod_spoiled,rnd_pointing,qubic,disp=False)
output_maps_det,cdet=mm.tod2map_perdet(tod,rnd_pointing,qubic,disp=False)
output_maps_det_spoiled,cdet_spoiled=mm.tod2map_perdet(tod_spoiled,rnd_pointing,qubic,disp=False)
covmin=np.arange(12*nside**2)
for i in np.arange(12*nside**2):
covmin[i]=np.min([call[i],call_spoiled[i],cdet[i],cdet_spoiled[i]])
def reconstruction(racenter, deccenter, NPOINTS, NFREQS, filter_name, scene,
maxiter, tol, rank, n, start):
sampling = create_random_pointings([racenter, deccenter], 1000, 10)
detector_nep = 4.7e-17 * np.sqrt(
len(sampling) * sampling.period / (365 * 86400))
#x0 = read_map(PATH + 'syn256_pol.fits')
x0 = np.zeros((12 * nside**2, 3))
q = MultiQubicInstrument(NPOINTS=NPOINTS,
NFREQS=NFREQS,
filter_name=filter_name,
detector_nep=detector_nep)
C_nf = q.get_convolution_peak_operator()
conv_sky_ = C_nf(x0)
fwhm_t = np.sqrt(q.synthbeam.peak150.fwhm**2 - C_nf.fwhm**2)
C_transf = HealpixConvolutionGaussianOperator(fwhm=fwhm_t)
acq = MultiQubicAcquisition(q, sampling, scene=scene)
H = acq.get_operator()
coverage = acq.get_coverage(H)
acq_planck = MultiPlanckAcquisition(np.int(filter_name / 1e9),
scene,
true_sky=conv_sky_)
acq_fusion = QubicPlanckAcquisition(acq, acq_planck)
H = acq_fusion.get_operator()
y = acq_fusion.get_observation()
invntt = acq_fusion.get_invntt_operator()
A = H.T * invntt * H
b = H.T * invntt * y
solution_fusion = pcg(A, b, disp=True, maxiter=maxiter, tol=tol)
x_rec_fusion_ = solution_fusion['x']
x_rec_fusion = C_transf(x_rec_fusion_)
#H = acq.get_operator()
#COV = acq.get_coverage(H)
#y = acq.get_observation(conv_sky_)
#invntt = acq.get_invntt_operator()
# A = H.T * invntt * H
# b = H.T * invntt * y
# solution_qubic = pcg(A, b, disp=True, maxiter=maxiter, tol=tol)
# x_rec_qubic_ = solution_qubic['x']
# x_rec_qubic = C_transf(x_rec_qubic_)
# conv_sky = C_transf(conv_sky_)
path = '/home/fincardona/Qubic/map_making/maps/montecarlo'
if rank == 0:
hp.write_map(
'%s/fusion_n{}_N{}_s{}_mi{}_niter{}.fits'.format(
NFREQS, NPOINTS, len(sampling), maxiter, n + start) % path,
x_rec_fusion.T)
#hp.write_map('maps_test/qubic_n{}_N{}_s{}_mi{}.fits'.format(
# NFREQS, NPOINTS, len(sampling), maxiter), x_rec_qubic.T)
gc.collect()
return coverage, sampling, path
#nsweeps_el = 300
#duration = 24 # hours
#ts = 10 # seconds
#pointing = create_sweeping_pointings(
# [racenter, deccenter], duration, ts, angspeed, delta_az, nsweeps_el,
# angspeed_psi, maxpsi)
#pointing.angle_hwp = np.random.random_integers(0, 7, pointing.size) * 22.5
#ntimes = len(pointing)
##### Random pointing ######
racenter = 0.0
deccenter = -57.0
delta_az = 25.
duration = 1 # hours
ts = 10 # seconds
npointings = duration * 3600 / ts
pointing = create_random_pointings([racenter, deccenter], npointings, delta_az)
#### Conversion en RA DEC
import pysimulators
from astropy.time import Time, TimeDelta
DOMECLAT = -(75 + 6 / 60)
DOMECLON = 123 + 20 / 60
t0 = pointing.date_obs
dt = TimeDelta(pointing.time, format='sec')
op = (pysimulators.SphericalHorizontal2EquatorialOperator('NE', t0 + dt, DOMECLAT, DOMECLON, degrees=True))
radec = op(np.array([pointing.azimuth, pointing.elevation]).T)
clf()
subplot(2,1,1)
plot(((radec[:,0]+180 + 360) % 360) -180,radec[:,1],',')
subplot(2,1,2,projection='mollweide')
def reconstruction(
racenter, deccenter, NPOINTS, NFREQS, filter_name, scene,
maxiter, tol, rank, n, start):
sampling = create_random_pointings([racenter, deccenter], 1000, 10)
detector_nep = 4.7e-17 * np.sqrt(
len(sampling) * sampling.period / (365 * 86400))
#x0 = read_map(PATH + 'syn256_pol.fits')
x0 = np.zeros((12*nside**2, 3))
q = MultiQubicInstrument(
NPOINTS=NPOINTS, NFREQS=NFREQS, filter_name=filter_name,
detector_nep=detector_nep)
C_nf = q.get_convolution_peak_operator()
conv_sky_ = C_nf(x0)
fwhm_t = np.sqrt(q.synthbeam.peak150.fwhm**2 - C_nf.fwhm**2)
C_transf = HealpixConvolutionGaussianOperator(fwhm=fwhm_t)
acq = MultiQubicAcquisition(q, sampling, scene=scene)
H = acq.get_operator()
coverage = acq.get_coverage(H)
acq_planck = MultiPlanckAcquisition(
np.int(filter_name/1e9), scene, true_sky=conv_sky_)
acq_fusion = QubicPlanckAcquisition(acq, acq_planck)
H = acq_fusion.get_operator()
y = acq_fusion.get_observation()
invntt = acq_fusion.get_invntt_operator()
A = H.T * invntt * H
b = H.T * invntt * y
solution_fusion = pcg(A, b, disp=True, maxiter=maxiter, tol=tol)
x_rec_fusion_ = solution_fusion['x']
x_rec_fusion = C_transf(x_rec_fusion_)
#H = acq.get_operator()
#COV = acq.get_coverage(H)
#y = acq.get_observation(conv_sky_)
#invntt = acq.get_invntt_operator()
# A = H.T * invntt * H
# b = H.T * invntt * y
# solution_qubic = pcg(A, b, disp=True, maxiter=maxiter, tol=tol)
# x_rec_qubic_ = solution_qubic['x']
# x_rec_qubic = C_transf(x_rec_qubic_)
# conv_sky = C_transf(conv_sky_)
path = '/home/fincardona/Qubic/map_making/maps/montecarlo'
if rank==0:
hp.write_map('%s/fusion_n{}_N{}_s{}_mi{}_niter{}.fits'.format(
NFREQS, NPOINTS, len(sampling), maxiter, n+start) % path,
x_rec_fusion.T)
#hp.write_map('maps_test/qubic_n{}_N{}_s{}_mi{}.fits'.format(
# NFREQS, NPOINTS, len(sampling), maxiter), x_rec_qubic.T)
gc.collect()
return coverage, sampling, path
import healpy as hp
import matplotlib.pyplot as mp
import numpy as np
import qubic
# read the input map
x0 = qubic.io.read_map(qubic.data.PATH + 'syn256_pol.fits', field='I_STOKES')
nside = 256
# let's take the galactic north pole as the center of the observation field
center_gal = 0, 90
center = gal2equ(center_gal[0], center_gal[1])
# sampling model
np.random.seed(0)
sampling = create_random_pointings(center, 1000, 10)
scene = QubicScene(nside, kind='I')
# acquisition model
acq = QubicAcquisition(150, sampling, scene)
y, x0_convolved = acq.get_observation(x0, convolution=True, noiseless=True)
# map-making
x, coverage = tod2map_all(acq, y, disp=True, tol=1e-4, coverage_threshold=0)
mask = coverage > 0
# some display
def display(x, title):
x = x.copy()
x[~mask] = np.nan
from __future__ import print_function
from multi_process import parallel_for, parallel_for_chunk
from qubic import create_random_pointings, QubicAcquisition, QubicScene
import numpy as np
import time
sampling = create_random_pointings([0, 90], 1000, 10)
scene = QubicScene()
acq = QubicAcquisition(150, sampling, scene)
def test(argument):
#print(argument)
time.sleep(np.random.rand()/100)
return acq[argument].instrument.detector.center[0]
individual_arguments = np.arange(992)
#common_arguments = [scene]
#### test scalar version
def scalar_for(funct, args):
out = []
for a in args:
out.append(funct(a))
return out
res = scalar_for(test, individual_arguments)
resp = parallel_for(test, individual_arguments,nprocs=8)
result = np.array(parallel_for(test, individual_arguments, nprocs=8))
center = gal2equ(center_gal[0], center_gal[1])
band = 150
tol = 1e-4
# Compute frequencies at which we sample the TOD.
# As input we set 150 [GHz] - the central frequency of the band and
# the relative bandwidth -- 0.25.
# The bandwidth is assumed to be uniform.
# The number of frequencies is set by an optional parameter Nfreq,
# which is, by default, 15 for 150 GHz band
# and 20 for 220 GHz band.
Nbfreq, nus_edge, nus, deltas, Delta, Nbbands = compute_freq(band, 0.25)
# Use random pointings for the test
p = create_random_pointings(center, 1000, 10)
# Polychromatic instrument model
q = QubicMultibandInstrument(filter_nus=nus * 1e9,
filter_relative_bandwidths=nus / deltas,
ripples=True) # The peaks of the synthesized beam are modeled with "ripples"
s = QubicScene(nside=nside, kind='IQU')
# Polychromatic acquisition model
a = QubicPolyAcquisition(q, p, s, effective_duration=2)
sp = read_spectra(0)
x0 = np.array(hp.synfast(sp, nside, new=True, pixwin=True)).T
TOD, maps_convolved = a.get_observation(x0)
create_random_pointings, equ2gal, QubicAcquisition, PlanckAcquisition,
QubicPlanckAcquisition, QubicScene, QubicInstrument)
from qubic.data import PATH
from qubic.io import read_map
import healpy as hp
import matplotlib.pyplot as mp
import numpy as np
racenter = 0.0 # deg
deccenter = -57.0 # deg
center = equ2gal(racenter, deccenter)
maxiter = 1000
nside = 1024
sampling = create_random_pointings([racenter, deccenter], 5000, 5)
scene = QubicScene(nside, kind='I')
#sky = read_map(PATH + 'syn256_pol.fits')[:,0]
sky = np.zeros(12*nside**2)
ip0=hp.ang2pix(nside, np.radians(90.-center[1]), np.radians(center[0]))
v0 = np.array(hp.pix2vec(nside, ip0))
sky[ip0] = 1000
#hp.gnomview(sky, rot=center, reso=5, xsize=800)
instrument = QubicInstrument(filter_nu=150e9,
detector_nep=1e-30)
acq_qubic = QubicAcquisition(instrument, sampling, scene, effective_duration=1, photon_noise=False)
coverage = acq_qubic.get_coverage()
f_sky = np.sum(mask) / npixel
apodization_factor = np.sum(mask) / np.sum(mask**2)
hp.write_map('maschera.fits', mask)
else:
raise ValueError("who must be: kaplan or me ")
omega = 4 * np.pi * f_sky
return f_sky, omega, apodization_factor
nside = 256
npixel = 12 * nside**2
scene = MultiQubicScene(nside)
racenter = 0.0 # deg
deccenter = -57.0 # deg
sampling = create_random_pointings([racenter, deccenter], 1000, 10)
maxiter = 1000
years = 2
time = 60 * 60 * 24 * 365 * years
detector_nep = 4.7e-17
detector_noise = detector_nep * np.sqrt(len(sampling) * sampling.period / time)
r = 0.1
lmin = 2
lmax = nside * 2
ell = np.arange(lmin, lmax + 1)
delta_ell = 20
NFREQS = [1, 3]
NPOINTS = 1
P.matrix.pack(mask)
P_packed = ProjectionInMemoryOperator(P.matrix)
unpack = UnpackOperator(mask)
# data
solution = pcg(P_packed.T * P_packed, P_packed.T(tod), M=DiagonalOperator(1/coverage[~mask]), disp=disp)
output_map = unpack(solution['x'])
output_map[mask] = np.nan
coverage[mask]=np.nan
return(output_map,mask,coverage)
#### test
nside=128
npoints=1000
ini=hp.synfast(spectra[4],nside,fwhm=0,pixwin=True)
true_pointings = create_random_pointings(npoints, 20)
tod,iniconv,P=map2TOD(ini,true_pointings)
out,mask,coverage=TOD2map(tod,true_pointings,128,P=P)
mapin=hp.ud_grade(iniconv,nside_out=128,order_in='RING',order_out='RING')
mapin[mask]=np.nan
hp.gnomview(out,rot=[0,90],reso=30,min=-0.5,max=0.5)
hp.gnomview(mapin,rot=[0,90],reso=30,min=-0.5,max=0.5)
hp.gnomview(out-mapin,rot=[0,90],reso=30,min=-0.05,max=0.05)
hp.gnomview(coverage,rot=[0,90],reso=30,min=0)
from Homogeneity import fitting
l=np.arange(3*nside)