def __init__(self, pix, transf, sky_lib, lib_dir, nlev_t=0.0, nlev_p=0.0, phase=None):
""" initialize the library.
pix = a maps.pix object with the sky pixelization.
transf = a transfer function (with a multiplication operation defined for maps.tebbft),
usually describing the effect of an instrumental beam.
sky_lib = a library object with a get_sim_tqu() method which provides the sky map realizations.
lib_dir = directory to store the hash for the library.
nlev_t = temperature noise level. either a scalar or an map-sized 2D array.
noise realizations in each temperature pixel are given by nlev_t * standard normal.
nlev_p = polarization noise level. either a scalar or an map-sized 2D array.
noise realizations in each polarization pixel are given by nlev_p * standard normal.
(optional) phase = phas.library object used to control the random number stream.
"""
self.pix = pix
self.transf = transf
self.sky_lib = sky_lib
self.lib_dir = lib_dir
self.phase = phase
self.nlev_t = nlev_t
self.nlev_p = nlev_p
if (self.phase == None):
self.phase = phas.library( 3*pix.nx*pix.ny, lib_dir = self.lib_dir + "/phase" )
if (ql.mpi.rank == 0):
if not os.path.exists(lib_dir):
os.makedirs(lib_dir)
if not os.path.exists(lib_dir + "/sim_hash.pk"):
pk.dump( self.hashdict(), open(lib_dir + "/sim_hash.pk", 'w') )
ql.mpi.barrier()
util.hash_check( pk.load( open(lib_dir + "/sim_hash.pk", 'r') ), self.hashdict() )
def __init__(self, pix, cl_unl, lib_dir, phase=None):
""" initialize the library.
pix = a maps.pix object with the sky pixelization.
cl_unl = a spec.camb_clfile object containing the unlensed CMB temperature+polarization power spectra.
lib_dir = directory to store the hash for the library.
(optional) phase = phas.library object used to control the random number stream.
"""
self.pix = pix
self.cl_unl = cl_unl
self.lib_dir = lib_dir
self.phase = phase
if self.phase == None:
lmax = cl_unl.lmax
self.phase = phas.library(8 * pix.nx * (pix.ny / 2 + 1),
lib_dir=self.lib_dir + "/phase")
if ql.mpi.rank == 0:
if not os.path.exists(lib_dir):
os.makedirs(lib_dir)
if not os.path.exists(lib_dir + "/sim_hash.pk"):
pk.dump(self.hashdict(), open(lib_dir + "/sim_hash.pk", 'w'))
ql.mpi.barrier()
util.hash_check(pk.load(open(lib_dir + "/sim_hash.pk", 'r')),
self.hashdict())
def __init__(self,
pix,
transf,
sky_lib,
lib_dir,
nlev_t=0.0,
nlev_p=0.0,
phase=None):
""" initialize the library.
pix = a maps.pix object with the sky pixelization.
transf = a transfer function (with a multiplication operation defined for maps.tebbft),
usually describing the effect of an instrumental beam.
sky_lib = a library object with a get_sim_tqu() method which provides the sky map realizations.
lib_dir = directory to store the hash for the library.
nlev_t = temperature noise level. either a scalar or an map-sized 2D array.
noise realizations in each temperature pixel are given by nlev_t * standard normal.
nlev_p = polarization noise level. either a scalar or an map-sized 2D array.
noise realizations in each polarization pixel are given by nlev_p * standard normal.
(optional) phase = phas.library object used to control the random number stream.
"""
self.pix = pix
self.transf = transf
self.sky_lib = sky_lib
self.lib_dir = lib_dir
self.phase = phase
self.nlev_t = nlev_t
self.nlev_p = nlev_p
if (self.phase == None):
self.phase = phas.library(3 * pix.nx * pix.ny,
lib_dir=self.lib_dir + "/phase")
if (ql.mpi.rank == 0):
if not os.path.exists(lib_dir):
os.makedirs(lib_dir)
if not os.path.exists(lib_dir + "/sim_hash.pk"):
pk.dump(self.hashdict(), open(lib_dir + "/sim_hash.pk", 'w'))
ql.mpi.barrier()
util.hash_check(pk.load(open(lib_dir + "/sim_hash.pk", 'r')),
self.hashdict())
def __init__(self, pix, cl_unl, lib_dir, phase=None):
""" initialize the library.
pix = a maps.pix object with the sky pixelization.
cl_unl = a spec.camb_clfile object containing the unlensed CMB temperature+polarization power spectra.
lib_dir = directory to store the hash for the library.
(optional) phase = phas.library object used to control the random number stream.
"""
self.pix = pix
self.cl_unl = cl_unl
self.lib_dir = lib_dir
self.phase = phase
if self.phase == None:
lmax = cl_unl.lmax
self.phase = phas.library( 8*pix.nx*(pix.ny/2+1), lib_dir = self.lib_dir + "/phase" )
if ql.mpi.rank == 0:
if not os.path.exists(lib_dir):
os.makedirs(lib_dir)
if not os.path.exists(lib_dir + "/sim_hash.pk"):
pk.dump( self.hashdict(), open(lib_dir + "/sim_hash.pk", 'w') )
ql.mpi.barrier()
util.hash_check( pk.load( open(lib_dir + "/sim_hash.pk", 'r') ), self.hashdict() )
