def execute(self, nprocesses=1):
params = self.params
kiyopy.utils.mkparents(params["output_root"] + params["output_filename"])
parse_ini.write_params(params, params["output_root"] + "params.ini", prefix=prefix)
output_fname = params["output_root"] + params["output_filename"]
out_db = shelve.open(output_fname)
file_middles = params["file_middles"]
n_files = len(file_middles)
n_new = nprocesses - 1 # How many new processes to spawn at once.
if n_new > 0:
# Loop over files and spawn processes to deal with them, but make
# sure that only n_new processes are going at once.
process_list = range(n_new)
pipe_list = range(n_new)
for ii in xrange(n_files + n_new):
if ii >= n_new:
out_db[file_middles[ii - n_new]] = pipe_list[ii % n_new].recv()
process_list[ii % n_new].join()
if process_list[ii % n_new].exitcode != 0:
raise RuntimeError("A thread failed with exit code: " + str(process_list[ii % n_new].exitcode))
if ii < n_files:
Here, Far = mp.Pipe()
pipe_list[ii % n_new] = Here
process_list[ii % n_new] = mp.Process(target=self.process_file, args=(file_middles[ii], Far))
process_list[ii % n_new].start()
else:
for middle in file_middles:
out_db[middle] = self.process_file(middle)
out_db.close()
if self.feedback > 1:
print("Wrote noise parameters to file: " + kiyopy.utils.abbreviate_file_path(output_fname))
def execute(self):
"""Process all data."""
# You have access to the input parameters through the dictionary
# self.params.
params = self.params
# If you have output files, make parent directories if need be.
utils.mkparents(params['output_root'])
# Write the input parameters to file so you can go back and look at
# them.
parse_ini.write_params(params,
params['output_root'] + 'params.ini',
prefix=self.prefix)
# Loop over the files to process.
for file_middle in params['file_middles']:
input_fname = (params['input_root'] + file_middle +
params['input_end'])
# Read in the data. The reader is an object that can read
# DataBlock objects out of a fits file.
Reader = fitsGBT.Reader(input_fname, feedback=self.feedback)
# Some examples of how you would read DataBlock Objects:
first_scan_and_IF_DataBlock = Reader.read(scans=0, IFs=0)
second_scan_and_first_IF_DataBlock = Reader.read(scans=1, IFs=0)
list_of_a_few_data_blocks = Reader.read(scans=(1, 2, 3), IFs=0)
list_of_all_data_blocks = Reader.read(scans=(), IFs=())
def __init__(self, parameter_file=None, params_dict=None, feedback=0):
# recordkeeping
self.pairs = {}
self.pairs_parallel_track = {}
self.pairlist = []
self.datapath_db = dp.DataPath()
self.params = params_dict
if parameter_file:
self.params = parse_ini.parse(parameter_file, params_init,
prefix=prefix)
self.freq_list = sp.array(self.params['freq_list'], dtype=int)
self.tack_on_input = self.params['tack_on_input']
self.output_root = self.datapath_db.fetch(self.params['output_root'],
tack_on=self.params['tack_on_output'])
#self.output_root = self.params['output_root']
print "foreground cleaning writing to output root", self.output_root
if not os.path.isdir(self.output_root):
os.mkdir(self.output_root)
if self.params['SVD_root']:
self.SVD_root = self.datapath_db.fetch(self.params['SVD_root'],
intend_write=True)
print "WARNING: using %s to clean (intended?)" % self.SVD_root
else:
self.SVD_root = self.output_root
# Write parameter file.
parse_ini.write_params(self.params, self.output_root + 'params.ini',
prefix=prefix)
def __init__(self, parameter_file_or_dict=None):
# recordkeeping
self.pairs = {}
self.pairs_nosim = {}
self.pairlist = []
self.noisefiledict = {}
self.datapath_db = dp.DataPath()
self.params = parse_ini.parse(parameter_file_or_dict,
params_init,
prefix=prefix)
self.freq_list = sp.array(self.params['freq_list'], dtype=int)
self.lags = sp.array(self.params['lags'])
self.output_root = self.datapath_db.fetch(self.params['output_root'],
intend_write=True)
if self.params['SVD_root']:
self.SVD_root = self.datapath_db.fetch(self.params['SVD_root'],
intend_write=True)
print "WARNING: using %s to clean (intended?)" % self.SVD_root
else:
self.SVD_root = self.output_root
# Write parameter file.
kiyopy.utils.mkparents(self.output_root)
parse_ini.write_params(self.params,
self.output_root + 'params.ini',
prefix=prefix)
def __init__(self, parameter_file=None, params_dict=None, feedback=0):
# recordkeeping
self.pairs = {}
self.pairs_parallel_track = {}
self.pairlist = []
self.datapath_db = dp.DataPath()
self.params = params_dict
if parameter_file:
self.params = parse_ini.parse(parameter_file,
params_init,
prefix=prefix)
self.freq_list = sp.array(self.params['freq_list'], dtype=int)
self.tack_on_input = self.params['tack_on_input']
self.output_root = self.datapath_db.fetch(
self.params['output_root'], tack_on=self.params['tack_on_output'])
#self.output_root = self.params['output_root']
print "foreground cleaning writing to output root", self.output_root
if not os.path.isdir(self.output_root):
os.mkdir(self.output_root)
if self.params['svd_filename'] is not None:
self.svd_filename = self.params['svd_filename']
print "WARNING: using %s to clean (intended?)" % self.svd_filename
else:
self.svd_filename = self.output_root + "/" + "SVD.hd5"
# Write parameter file.
parse_ini.write_params(self.params,
self.output_root + 'params.ini',
prefix=prefix)
def execute(self) :
"""Process all data."""
# You have access to the input parameters through the dictionary
# self.params.
params = self.params
# If you have output files, make parent directories if need be.
utils.mkparents(params['output_root'])
# Write the input parameters to file so you can go back and look at
# them.
parse_ini.write_params(params, params['output_root'] + 'params.ini',
prefix=self.prefix)
# Loop over the files to process.
for file_middle in params['file_middles'] :
input_fname = (params['input_root'] + file_middle +
params['input_end'])
# Read in the data. The reader is an object that can read
# DataBlock objects out of a fits file.
Reader = fitsGBT.Reader(input_fname, feedback=self.feedback)
# Some examples of how you would read DataBlock Objects:
first_scan_and_IF_DataBlock = Reader.read(scans=0,IFs=0)
second_scan_and_first_IF_DataBlock = Reader.read(scans=1,IFs=0)
list_of_a_few_data_blocks = Reader.read(scans=(1,2,3),IFs=0)
list_of_all_data_blocks = Reader.read(scans=(),IFs=())
def wrap_batch_single_crosspwr(inifile, generate=False, outdir="./plots/"):
r"""Wrapper to the single crosspwr calculator
"""
params_init = {"left_mapkey": "some preparation of a map, cleaned",
"right_simkey": "a simulation to cross it with",
"right_weightkey": "weight to use for that sim",
"multiplier": "multiply the 1D and 2D spectra",
"spec_ini": "ini file for the spectral estimation",
"output_tag": "tag identifying the output somehow"}
prefix="csc_"
params = parse_ini.parse(inifile, params_init, prefix=prefix)
print params
output_tag = "%s_%s" % (params['left_mapkey'], params['output_tag'])
output_root = "%s/%s/" % (outdir, output_tag)
if generate:
output_tag = None
print output_root, output_tag
file_tools.mkparents(output_root)
parse_ini.write_params(params, output_root + 'params.ini',
prefix=prefix)
datapath_db = data_paths.DataPath()
return batch_single_crosspwr(params["left_mapkey"],
params["right_simkey"],
params["right_weightkey"],
multiplier=params["multiplier"],
inifile=params["spec_ini"],
datapath_db=datapath_db,
outdir=output_root,
output_tag=output_tag)
def process_map(self, mapnum, rank):
params = self.params
params["hr"] = (params["hrlist"][mapnum][0], params["hrlist"][mapnum][1])
params["last"] = (params["ltlist"][mapnum][0], params["ltlist"][mapnum][1])
kiyopy.utils.mkparents(params["output_root"])
inifile = params["output_root"] + "rank" + str(rank) + "params.ini"
parse_ini.write_params(params, inifile, prefix="pk_")
PK = mkpower.PowerSpectrumMaker(inifile, feedback=self.feedback).execute()
self.q.put_nowait(PK)
def process_map(self, jknum, rank):
params = self.params
mid = params['mid']
params['mid'] = ('jk'+str(jknum)+mid[0], 'jk'+str(jknum)+mid[1])
kiyopy.utils.mkparents(params['output_root'])
inifile = params['output_root']+ 'rank' + str(rank) +'params.ini'
parse_ini.write_params(params, inifile ,prefix='pk_')
PK = mkpower.PowerSpectrumMaker(
inifile, feedback=self.feedback).execute()
self.q.put_nowait(PK)
def execute(self, nprocesses=1):
params = self.params
# Make parent directory and write parameter file.
kiyopy.utils.mkparents(params['output_root'])
parse_ini.write_params(params, params['output_root']+'params.ini',prefix='pk_')
hr = params['hr']
mid = params['mid']
last = params['last']
all_out_fname_list = []
all_in_fname_list = []
pol_str = params['polarizations'][0]
n_processes = params['processes']
#### Process ####
n_new = n_processes -1
n_map = len(hr)
if n_new <=0:
for hr_str, ii in zip(params['hr'],range(len(params['hr']))):
end = pol_str
if len(last)!=0:
end = end + last[ii]
#imap_fname = in_root + hr_str + 'dirty_map_' + pol_str + '.npy'
#imap_fname = in_root + hr_str + mid + pol_str + '.npy'
imap_fname = hr_str + mid[0] + end + '.npy'
nmap_fname = hr_str + mid[1] + end + '.npy'
self.process_map(imap_fname, nmap_fname, ii)
elif n_new >32:
raise ValueError("Processes limit is 32")
else:
process_list = range(n_new)
for ii in xrange(n_map + n_new):
if ii >= n_new:
process_list[ii%n_new].join()
if process_list[ii%n_new].exitcode != 0:
raise RuntimeError("A thred faild with exit code"
+ str(process_list[ii%n_new].exitcode))
if ii < n_map:
end = pol_str
if len(last)!=0:
end = end + last[ii]
imap_fname = hr[ii] + mid[0] + end + '.npy'
nmap_fname = hr[ii] + mid[1] + end + '.npy'
#mock_fname = hr[ii] + 'mock_map_' + end + '.npy'
process_list[ii%n_new] = mp.Process(
target=self.process_map,
args=(imap_fname, nmap_fname, ii))
#args=(imap_fname, nmap_fname, mock_fname))
process_list[ii%n_new].start()
return 0
def execute(self, processes):
r"""prepare direction"""
#self.output_root = self.datapath_db.fetch(self.params['output_root'],
# tack_on=self.params['tack_on'])
self.output_root = self.params['output_root']
if not os.path.isdir(self.output_root):
os.makedirs(self.output_root)
if self.params['SVD_root']:
if os.path.exists(self.params['SVD_root']):
self.SVD_root = self.params['SVD_root']
else:
self.SVD_root = self.datapath_db.fetch(self.params['SVD_root'],
intend_write=True)
print "WARNING: using %s to clean (intended?)" % self.SVD_root
else:
self.SVD_root = self.output_root
# Write parameter file.
parse_ini.write_params(self.params, self.output_root + 'params.ini',
prefix=prefix)
r"""main call to execute the various steps in foreground removal"""
self.load_pairs()
self.preprocess_pairs()
if self.params['weighted_SVD']:
self.call_pairs("apply_map_weights")
self.calculate_correlation()
#self.calculate_svd()
mode_list_stop = self.params['modes']
mode_list_start = copy.deepcopy(self.params['modes'])
mode_list_start[1:] = mode_list_start[:-1]
#self.uncleaned_pairs = copy.deepcopy(self.pairs)
for (n_modes_start, n_modes_stop) in zip(mode_list_start,
mode_list_stop):
self.subtract_foregrounds(n_modes_start, n_modes_stop)
if self.params['weighted_SVD']:
self.call_pairs("apply_map_weights")
self.save_data(n_modes_stop)
if self.params['weighted_SVD']:
self.call_pairs("apply_map_weights")
def wrap_batch_gbtxwigglez_data_run(inifile,
generate=False,
outdir="./plots/"):
r"""Wrapper to the GBT x WiggleZ calculation"""
params_init = {
"gbt_mapkey": "cleaned GBT map",
"wigglez_deltakey": "WiggleZ overdensity map",
"wigglez_mockkey": "WiggleZ overdensities from mocks",
"wigglez_selectionkey": "WiggleZ selection function",
"mode_transfer_1d_ini": "ini file -> 1d trans. function",
"mode_transfer_2d_ini": "ini file -> 2d trans. function",
"beam_transfer_ini": "ini file -> 2d beam trans. function",
"spec_ini": "ini file for the spectral estimation",
"output_tag": "tag identifying the output somehow"
}
prefix = "cwx_"
params = parse_ini.parse(inifile, params_init, prefix=prefix)
print params
output_tag = "%s_%s" % (params['gbt_mapkey'], params['output_tag'])
output_root = "%s/%s/" % (outdir, output_tag)
if generate:
output_tag = None
print output_root
print output_tag
file_tools.mkparents(output_root)
parse_ini.write_params(params, output_root + 'params.ini', prefix=prefix)
datapath_db = data_paths.DataPath()
mode_transfer_1d = None
if params["mode_transfer_1d_ini"]:
mode_transfer_1d = cct.wrap_batch_crosspwr_transfer(
params["mode_transfer_1d_ini"], generate=generate, outdir=outdir)
batch_gbtxwigglez_data_run(params["gbt_mapkey"],
params["wigglez_deltakey"],
params["wigglez_mockkey"],
params["wigglez_selectionkey"],
inifile=params["spec_ini"],
datapath_db=datapath_db,
outdir=output_root,
output_tag=output_tag,
beam_transfer=None,
mode_transfer_1d=mode_transfer_1d,
mode_transfer_2d=None,
theory_curve=None)
def wrap_batch_gbtxwigglez_data_run(inifile, generate=False,
outdir="./plots/"):
r"""Wrapper to the GBT x WiggleZ calculation"""
params_init = {"gbt_mapkey": "cleaned GBT map",
"wigglez_deltakey": "WiggleZ overdensity map",
"wigglez_mockkey": "WiggleZ overdensities from mocks",
"wigglez_selectionkey": "WiggleZ selection function",
"mode_transfer_1d_ini": "ini file -> 1d trans. function",
"mode_transfer_2d_ini": "ini file -> 2d trans. function",
"beam_transfer_ini": "ini file -> 2d beam trans. function",
"spec_ini": "ini file for the spectral estimation",
"output_tag": "tag identifying the output somehow"}
prefix = "cwx_"
params = parse_ini.parse(inifile, params_init, prefix=prefix)
print params
output_tag = "%s_%s" % (params['gbt_mapkey'], params['output_tag'])
output_root = "%s/%s/" % (outdir, output_tag)
if generate:
output_tag = None
print output_root
print output_tag
file_tools.mkparents(output_root)
parse_ini.write_params(params, output_root + 'params.ini',
prefix=prefix)
datapath_db = data_paths.DataPath()
mode_transfer_1d = None
if params["mode_transfer_1d_ini"]:
mode_transfer_1d = cct.wrap_batch_crosspwr_transfer(
params["mode_transfer_1d_ini"],
generate=generate,
outdir=outdir)
batch_gbtxwigglez_data_run(params["gbt_mapkey"],
params["wigglez_deltakey"],
params["wigglez_mockkey"],
params["wigglez_selectionkey"],
inifile=params["spec_ini"],
datapath_db=datapath_db,
outdir=output_root,
output_tag=output_tag,
beam_transfer=None,
mode_transfer_1d=mode_transfer_1d,
mode_transfer_2d=None,
theory_curve=None)
def write_map_cleanerini(mapname, cutlist, nfreq, factorizable=True, meansub=True,
regenerate=False, convolve=False,
subtract_inputmap_from_sim = True,
subtract_sim_from_inputmap = False,
sim_multiplier = 1., username="******",
modes = range(0, 105, 5), simfile=None, prefix="fs_",
inidir="./input/ers/map_cleaning_autogen/"):
file_tools.mkparents(inidir)
params = {}
simtag = ""
if simfile:
simtag = "_plussim"
if subtract_inputmap_from_sim:
simtag = "_plussim_minusmap"
if subtract_sim_from_inputmap:
simtag = "_plussim_minussim"
alt = ""
if sim_multiplier != 1.:
multstring = "%5.3g" % sim_multiplier
alt = "_simx" + multstring.replace(".", "p").strip()
key = '%s_cleaned%s%s' % (mapname, simtag, alt)
params["output_root"] = '%s_path_%s' % (key, username)
params["SVD_root"] = None
params["modes"] = modes
params["map1"] = mapname
params["map2"] = mapname
params["noise_inv1"] = mapname
params["noise_inv2"] = mapname
params["no_weights"] = False
params["sub_weighted_mean"] = meansub
params["factorizable_noise"] = factorizable
params["convolve"] = convolve
params["regenerate_noise_inv"] = regenerate
params["freq_list"] = tuple([ind for ind in range(nfreq) \
if ind not in cutlist])
if simfile:
params["simfile"] = simfile
params["sim_multiplier"] = sim_multiplier
params["subtract_inputmap_from_sim"] = subtract_inputmap_from_sim
params["subtract_sim_from_inputmap"] = subtract_sim_from_inputmap
filename = "%s/%s.ini" % (inidir, params["output_root"])
print filename
parse_ini.write_params(params, filename, prefix=prefix)
def execute(self, nprocesses):
params = self.params
# Make parent directory and write parameter file.
kiyopy.utils.mkparents(params['output_root'])
parse_ini.write_params(params,
params['output_root'] + 'params.ini',
prefix=prefix)
in_root = params['input_root']
# Figure out what the band names are.
bands = params['bands']
if not bands:
map_files = glob.glob(in_root + pol_str + "_*.npy")
bands = []
root_len = len(in_root)
for file_name in map_files:
bands.append(file_name[root_len:-4])
# Loop over polarizations.
for pol_str in params['polarizations']:
# Read in all the maps to be glued.
maps = []
for band in bands:
band_map_fname = (in_root + pol_str + "_" + repr(band) +
'.npy')
if self.feedback > 1:
print "Read using map: " + band_map_fname
if params['mat_diag']:
if self.feedback > 1:
print "Treating as a matrix, getting diagonal."
band_map = al.open_memmap(band_map_fname, mode='r')
band_map = al.make_mat(band_map)
band_map = band_map.mat_diag()
else:
band_map = al.load(band_map_fname)
band_map = al.make_vect(band_map)
if band_map.axes != ('freq', 'ra', 'dec'):
msg = ("Expeced maps to have axes ('freq',"
"'ra', 'dec'), but it has axes: " +
str(band_map.axes))
raise ce.DataError(msg)
maps.append(band_map)
# Now glue them together.
out_map = glue(maps)
out_fname = (params['output_root'] + pol_str + "_" + "all" +
'.npy')
if self.feedback > 1:
print "Writing glued map to: " + out_fname
al.save(out_fname, out_map)
def __init__(self, parameter_file_or_dict=None):
self.params = parse_ini.parse(parameter_file_or_dict, params_init,
prefix=prefix)
self.freq_list = sp.array(self.params['freq_list'], dtype=int)
self.lags = self.params['lags']
self.nfreq_bin = self.params['nfreq_bin']
#self.output_root = self.datapath_db.fetch(self.params['output_root'],
# intend_write=True)
self.output_root = self.params['output_root']
self.ini_root = self.params['ini_root']
# Write parameter file.
kiyopy.utils.mkparents(self.ini_root)
parse_ini.write_params(self.params, self.ini_root + 'params.ini',
prefix=prefix)
def execute(self, nprocesses):
params = self.params
# Make parent directory and write parameter file.
kiyopy.utils.mkparents(params['output_root'])
parse_ini.write_params(params, params['output_root'] + 'params.ini',
prefix=prefix)
in_root = params['input_root']
# Figure out what the band names are.
bands = params['bands']
if not bands:
map_files = glob.glob(in_root + pol_str + "_*.npy")
bands = []
root_len = len(in_root)
for file_name in map_files:
bands.append(file_name[root_len:-4])
# Loop over polarizations.
for pol_str in params['polarizations']:
# Read in all the maps to be glued.
maps = []
for band in bands:
band_map_fname = (in_root + pol_str + "_" +
repr(band) + '.npy')
if self.feedback > 1:
print "Read using map: " + band_map_fname
if params['mat_diag']:
if self.feedback > 1:
print "Treating as a matrix, getting diagonal."
band_map = al.open_memmap(band_map_fname, mode='r')
band_map = al.make_mat(band_map)
band_map = band_map.mat_diag()
else:
band_map = al.load(band_map_fname)
band_map = al.make_vect(band_map)
if band_map.axes != ('freq', 'ra', 'dec') :
msg = ("Expeced maps to have axes ('freq',"
"'ra', 'dec'), but it has axes: "
+ str(band_map.axes))
raise ce.DataError(msg)
maps.append(band_map)
# Now glue them together.
out_map = glue(maps)
out_fname = (params['output_root']
+ pol_str + "_" + "all" + '.npy')
if self.feedback > 1:
print "Writing glued map to: " + out_fname
al.save(out_fname, out_map)
def execute(self, nprocesses=1):
params = self.params
# Make parent directory and write parameter file.
kiyopy.utils.mkparents(params['output_root'])
parse_ini.write_params(params, params['output_root']+'params.ini',prefix='pk_')
in_root = params['input_root']
out_root = params['output_root']
mid = params['mid']
all_out_fname_list = []
all_in_fname_list = []
#### Process ####
pol_str = params['polarizations'][0]
#hr_str = params['hr'][0]
for hr_str, ii in zip(params['hr'],range(len(params['hr']))):
end = pol_str
if len(last)!=0:
end = end + last[ii]
imap_fname = in_root + hr_str + mid[0] + end + '.npy'
imap = algebra.load(imap_fname)
imap = algebra.make_vect(imap)
if imap.axes != ('freq', 'ra', 'dec') :
raise ce.DataError('AXES ERROR!')
nmap_fname = in_root + hr_str + mid[1] + end + '.npy'
nmap = algebra.load(nmap_fname)
nmap = algebra.make_vect(nmap)
#invers noise weight
print 'Inverse Noise Weight... Map:' + hr_str[:-1]
self.weight(imap, nmap,
out_root+hr_str+'wt_cleaned_clean_map_'+end+'.png')
dmap_fname = out_root + 'wt_' + hr_str + mid[0] + end + '.npy'
algebra.save(dmap_fname, imap)
all_out_fname_list.append(
kiyopy.utils.abbreviate_file_path(dmap_fname))
nmap_fname = out_root + 'wt_' + hr_str + mid[1] + end + '.npy'
algebra.save(nmap_fname, nmap)
all_out_fname_list.append(
kiyopy.utils.abbreviate_file_path(nmap_fname))
return 0
def wrap_batch_gbtpwrspec_data_run(inifile, generate=False,
outdir="./plots/"):
r"""Wrapper to the GBT x GBT calculation"""
params_init = {"gbt_mapkey": "cleaned GBT map",
"mode_transfer_1d_ini": "ini file -> 1d trans. function",
"mode_transfer_2d_ini": "ini file -> 2d trans. function",
"beam_transfer_ini": "ini file -> 2d beam trans. function",
"square_1dmodetrans": False,
"spec_ini": "ini file for the spectral estimation",
"output_tag": "tag identifying the output somehow"}
prefix="cp_"
params = parse_ini.parse(inifile, params_init, prefix=prefix)
print params
output_tag = "%s_%s" % (params['gbt_mapkey'], params['output_tag'])
output_root = "%s/%s/" % (outdir, output_tag)
if generate:
output_tag = None
print output_root
print output_tag
file_tools.mkparents(output_root)
parse_ini.write_params(params, output_root + 'params.ini',
prefix=prefix)
datapath_db = data_paths.DataPath()
mode_transfer_1d=None
if params["mode_transfer_1d_ini"]:
mode_transfer_1d = cct.wrap_batch_crosspwr_transfer(
params["mode_transfer_1d_ini"],
generate=generate,
outdir=outdir)
return batch_gbtpwrspec_data_run(params["gbt_mapkey"],
inifile=params["spec_ini"],
datapath_db=datapath_db,
outdir=output_root,
output_tag=output_tag,
beam_transfer=None,
square_1dmodetrans = params["square_1dmodetrans"],
mode_transfer_1d=mode_transfer_1d,
mode_transfer_2d=None)
def wrap_batch_gbtpwrspec_data_run(inifile, generate=False, outdir="./plots/"):
r"""Wrapper to the GBT x GBT calculation"""
params_init = {
"gbt_mapkey": "cleaned GBT map",
"mode_transfer_1d_ini": "ini file -> 1d trans. function",
"mode_transfer_2d_ini": "ini file -> 2d trans. function",
"beam_transfer_ini": "ini file -> 2d beam trans. function",
"square_1dmodetrans": False,
"spec_ini": "ini file for the spectral estimation",
"output_tag": "tag identifying the output somehow"
}
prefix = "cp_"
params = parse_ini.parse(inifile, params_init, prefix=prefix)
print params
output_tag = "%s_%s" % (params['gbt_mapkey'], params['output_tag'])
output_root = "%s/%s/" % (outdir, output_tag)
if generate:
output_tag = None
print output_root
print output_tag
file_tools.mkparents(output_root)
parse_ini.write_params(params, output_root + 'params.ini', prefix=prefix)
datapath_db = data_paths.DataPath()
mode_transfer_1d = None
if params["mode_transfer_1d_ini"]:
mode_transfer_1d = cct.wrap_batch_crosspwr_transfer(
params["mode_transfer_1d_ini"], generate=generate, outdir=outdir)
return batch_gbtpwrspec_data_run(
params["gbt_mapkey"],
inifile=params["spec_ini"],
datapath_db=datapath_db,
outdir=output_root,
output_tag=output_tag,
beam_transfer=None,
square_1dmodetrans=params["square_1dmodetrans"],
mode_transfer_1d=mode_transfer_1d,
mode_transfer_2d=None)
def __init__(self, parameter_file_or_dict=None):
self.params = parse_ini.parse(parameter_file_or_dict,
params_init,
prefix=prefix)
self.freq_list = sp.array(self.params['freq_list'], dtype=int)
self.lags = self.params['lags']
self.nfreq_bin = self.params['nfreq_bin']
#self.output_root = self.datapath_db.fetch(self.params['output_root'],
# intend_write=True)
self.output_root = self.params['output_root']
self.ini_root = self.params['ini_root']
# Write parameter file.
kiyopy.utils.mkparents(self.ini_root)
parse_ini.write_params(self.params,
self.ini_root + 'params.ini',
prefix=prefix)
def execute(self, nprocesses=1) :
params = self.params
model = params["model"]
kiyopy.utils.mkparents(params['output_root'])
parse_ini.write_params(params, params['output_root'] + 'params.ini',
prefix=prefix)
# Loop over files to process.
for file_middle in params['file_middles'] :
input_fname = (params['input_root'] + file_middle +
params['input_end'])
Reader = core.fitsGBT.Reader(input_fname, feedback=self.feedback)
output_fname = params["output_root"] + file_middle + ".npy"
if model == "scan_var" :
n_scans = len(Reader.scan_set)
n_IFs = len(Reader.IF_set)
first_block = True
for jj in range(n_IFs) :
# These all become arrays on the first iteration.
var = 0.0
mean = 0.0
counts = 0
for ii in range(n_scans) :
Data = Reader.read(ii, jj)
if first_block :
out_shape = (n_IFs,) + Data.dims[1:]
out_arr = sp.empty(out_shape, dtype=float)
first_block = False
var += ma.sum(Data.data**2, 0).filled(0)
mean += ma.sum(Data.data, 0).filled(0)
counts += ma.count(Data.data, 0)
# If we didn't get at least 5 good hits, throw aways the
# scan.
counts[counts < 5] = -1
var = var/counts - (mean/counts)**2
var[counts < 5] = 1.0e10
out_arr[jj, ...] = var
sp.save(output_fname, out_arr)
if self.feedback > 1 :
print ("Wrote noise parameters to file: "
+ utils.abbreviate_file_path(output_fname))
else :
raise ValueError("Invalid noise model: " + model)
def execute(self, n_processes=1):
"""Process all data.
If n_processes > 1 then this function spawns a bunch of subprocesses
in parralelle, each of which deals with a single data file. This both
speeds things up and avoids any memory leaks (like the bad one in
pyfits).
"""
params = self.params
# Make parent directories if need be.
utils.mkparents(params['output_root'])
parse_ini.write_params(params,
params['output_root'] + 'params.ini',
prefix=self.prefix)
n_new = n_processes - 1
n_files = len(params['file_middles'])
# Loop over the files to process.
if n_new <= 0:
# Single process mode.
for file_ind in range(n_files):
self.process_file(file_ind)
elif n_new > 32:
raise ValueError("Asked for a rediculouse number of processes: " +
str(n_new) + ". Limit is 32.")
else:
# Spawn a bunch of new processes each with a single file to
# analyse.
# Can't us an mp.Pool here because we don't want to reuse processes
# due to pyfits memory leak.
process_list = range(n_new)
for ii in xrange(n_files + n_new):
if ii >= n_new:
process_list[ii % n_new].join()
if process_list[ii % n_new].exitcode != 0:
raise RuntimeError("A thread failed with exit code: " +
str(process_list[ii %
n_new].exitcode))
if ii < n_files:
process_list[ii % n_new] = mp.Process(
target=self.process_file, args=(ii, ))
process_list[ii % n_new].start()
def execute(self, nprocesses=1):
params = self.params
kiyopy.utils.mkparents(params['output_root'] +
params['output_filename'])
parse_ini.write_params(params,
params['output_root'] + 'params.ini',
prefix=prefix)
output_fname = params['output_root'] + params["output_filename"]
out_db = shelve.open(output_fname)
file_middles = params['file_middles']
n_files = len(file_middles)
n_new = nprocesses - 1 # How many new processes to spawn at once.
if n_new > 0:
# Loop over files and spawn processes to deal with them, but make
# sure that only n_new processes are going at once.
process_list = range(n_new)
pipe_list = range(n_new)
for ii in xrange(n_files + n_new):
if ii >= n_new:
out_db[file_middles[ii - n_new]] = pipe_list[ii %
n_new].recv()
process_list[ii % n_new].join()
if process_list[ii % n_new].exitcode != 0:
raise RuntimeError("A thread failed with exit code: " +
str(process_list[ii %
n_new].exitcode))
if ii < n_files:
Here, Far = mp.Pipe()
pipe_list[ii % n_new] = Here
process_list[ii % n_new] = mp.Process(
target=self.process_file, args=(file_middles[ii], Far))
process_list[ii % n_new].start()
else:
for middle in file_middles:
out_db[middle] = self.process_file(middle)
out_db.close()
if self.feedback > 1:
print("Wrote noise parameters to file: " +
kiyopy.utils.abbreviate_file_path(output_fname))
def execute(self, n_processes=1) :
"""Process all data.
If n_processes > 1 then this function spawns a bunch of subprocesses
in parralelle, each of which deals with a single data file. This both
speeds things up and avoids any memory leaks (like the bad one in
pyfits).
"""
params = self.params
# Make parent directories if need be.
utils.mkparents(params['output_root'])
parse_ini.write_params(params, params['output_root'] + 'params.ini',
prefix=self.prefix)
n_new = n_processes - 1
n_files = len(params['file_middles'])
# Loop over the files to process.
if n_new <= 0 :
# Single process mode.
for file_ind in range(n_files) :
self.process_file(file_ind)
elif n_new > 32 :
raise ValueError("Asked for a rediculouse number of processes: " +
str(n_new) + ". Limit is 32.")
else :
# Spawn a bunch of new processes each with a single file to
# analyse.
# Can't us an mp.Pool here because we don't want to reused processes
# due to pyfits memory leak.
process_list = range(n_new)
for ii in xrange(n_files + n_new) :
if ii > n_new :
process_list[ii%n_new].join()
if process_list[ii%n_new].exitcode != 0 :
raise RuntimeError("A thread failed with exit code: "
+ str(process_list[ii%n_new].exitcode))
if ii < n_files :
process_list[ii%n_new] = mp.Process(
target=self.process_file, args=(ii,))
process_list[ii%n_new].start()
def write_map_cleanerini_old(mapname, cutlist, nfreq, factorizable=True, meansub=True,
regenerate=False, noconv=False,
subtract_inputmap_from_sim = True,
subtract_sim_from_inputmap = False,
modes = range(0, 105, 5), simfile=None, prefix="fs_",
inidir="./input/ers/map_cleaning_autogen_old/"):
file_tools.mkparents(inidir)
params = {}
params["SVD_root"] = None
params["modes"] = modes
params["map1"] = mapname
params["map2"] = mapname
params["noise_inv1"] = mapname
params["noise_inv2"] = mapname
params["no_weights"] = False
params["sub_weighted_mean"] = meansub
params["factorizable_noise"] = factorizable
params["regenerate_noise_inv"] = regenerate
params["freq_list"] = tuple([ind for ind in range(nfreq) \
if ind not in cutlist])
tag = "_sims" if simfile else ""
if simfile:
params["simfile"] = simfile
params["sim_multiplier"] = 1.
params["subtract_inputmap_from_sim"] = subtract_inputmap_from_sim
params["subtract_sim_from_inputmap"] = subtract_sim_from_inputmap
params["convolve"] = False
# TODO: move this to direct path rather than db
params["output_root"] = "%s_cleaned%s_noconv_path_Eric" % (mapname, tag)
filename = "%s/%s_cleaned%s_noconv.ini" % (inidir, mapname, tag)
parse_ini.write_params(params, filename, prefix=prefix)
params["convolve"] = True
params["output_root"] = "%s_cleaned%s_path_Eric" % (mapname, tag)
filename = "%s/%s_cleaned%s.ini" % (inidir, mapname, tag)
parse_ini.write_params(params, filename, prefix=prefix)
def __init__(self, parameter_file=None, params_dict=None, feedback=0):
# recordkeeping
self.pairs = {}
self.pairs_ext = {}
self.pairs_parallel_track = {}
self.pairlist = []
self.pairlist_ext = []
self.indexlist_ext = []
self.datapath_db = dp.DataPath()
self.params = params_dict
if parameter_file:
self.params = parse_ini.parse(parameter_file, params_init,
prefix=prefix)
self.freq_list = sp.array(self.params['freq_list'], dtype=int)
self.tack_on_input = self.params['tack_on_input']
self.conv_factor = self.params['conv_factor']
self.output_root = self.datapath_db.fetch(self.params['output_root'],
tack_on=self.params['tack_on_output'])
#self.output_root = self.params['output_root']
print "foreground cleaning writing to output root", self.output_root
if not os.path.isdir(self.output_root):
os.mkdir(self.output_root)
if self.params['svd_filename'] is not None:
self.svd_filename = self.params['svd_filename']
print "WARNING: using %s to clean (intended?)" % self.svd_filename
else:
self.svd_filename = self.output_root + "/" + "SVD.hd5"
# save the signal and weight matrices
self.modeinput_filename = self.output_root + "/" + "mode_ingredients.hd5"
# Write parameter file.
parse_ini.write_params(self.params, self.output_root + 'params.ini',
prefix=prefix)
def wrap_batch_crosspwr_transfer(inifile, generate=False, outdir="./plots/"):
r"""Wrapper to the transfer function calculator
"""
params_init = {
"cleaned_simkey": "cleaned sims for transfer func",
"truesignal_simkey": "pure signal",
"truesignal_weightkey": "weight to use for pure signal",
"reference_simkey": "reference signal",
"reference_weightkey": "weight to use for reference signal",
"spec_ini": "ini file for the spectral estimation",
"output_tag": "tag identifying the output somehow"
}
prefix = "cct_"
params = parse_ini.parse(inifile, params_init, prefix=prefix)
print params
output_tag = "%s_%s" % (params['cleaned_simkey'], params['output_tag'])
output_root = "%s/%s/" % (outdir, output_tag)
if generate:
output_tag = None
print output_root
print output_tag
file_tools.mkparents(output_root)
parse_ini.write_params(params, output_root + 'params.ini', prefix=prefix)
datapath_db = data_paths.DataPath()
return batch_crosspwr_transfer(params["cleaned_simkey"],
params["truesignal_simkey"],
params["truesignal_weightkey"],
params["reference_simkey"],
params["reference_weightkey"],
inifile=params["spec_ini"],
datapath_db=datapath_db,
outdir=output_root,
output_tag=output_tag)
def wrap_batch_crosspwr_transfer(inifile, generate=False, outdir="./plots/"):
r"""Wrapper to the transfer function calculator
"""
params_init = {"cleaned_simkey": "cleaned sims for transfer func",
"truesignal_simkey": "pure signal",
"truesignal_weightkey": "weight to use for pure signal",
"reference_simkey": "reference signal",
"reference_weightkey": "weight to use for reference signal",
"spec_ini": "ini file for the spectral estimation",
"output_tag": "tag identifying the output somehow"}
prefix="cct_"
params = parse_ini.parse(inifile, params_init, prefix=prefix)
print params
output_tag = "%s_%s" % (params['cleaned_simkey'], params['output_tag'])
output_root = "%s/%s/" % (outdir, output_tag)
if generate:
output_tag = None
print output_root
print output_tag
file_tools.mkparents(output_root)
parse_ini.write_params(params, output_root + 'params.ini',
prefix=prefix)
datapath_db = data_paths.DataPath()
return batch_crosspwr_transfer(params["cleaned_simkey"],
params["truesignal_simkey"],
params["truesignal_weightkey"],
params["reference_simkey"],
params["reference_weightkey"],
inifile=params["spec_ini"],
datapath_db=datapath_db,
outdir=output_root,
output_tag=output_tag)
def __init__(self, parameter_file_or_dict=None):
# recordkeeping
self.pairs = {}
self.pairs_nosim = {}
self.pairlist = []
self.noisefiledict = {}
self.datapath_db = dp.DataPath()
self.params = parse_ini.parse(parameter_file_or_dict, params_init, prefix=prefix)
self.freq_list = sp.array(self.params["freq_list"], dtype=int)
self.lags = sp.array(self.params["lags"])
self.output_root = self.datapath_db.fetch(self.params["output_root"], intend_write=True)
if self.params["SVD_root"]:
self.SVD_root = self.datapath_db.fetch(self.params["SVD_root"], intend_write=True)
print "WARNING: using %s to clean (intended?)" % self.SVD_root
else:
self.SVD_root = self.output_root
# Write parameter file.
kiyopy.utils.mkparents(self.output_root)
parse_ini.write_params(self.params, self.output_root + "params.ini", prefix=prefix)
def wrap_batch_single_crosspwr(inifile, generate=False, outdir="./plots/"):
r"""Wrapper to the single crosspwr calculator
"""
params_init = {
"left_mapkey": "some preparation of a map, cleaned",
"right_simkey": "a simulation to cross it with",
"right_weightkey": "weight to use for that sim",
"multiplier": "multiply the 1D and 2D spectra",
"spec_ini": "ini file for the spectral estimation",
"output_tag": "tag identifying the output somehow"
}
prefix = "csc_"
params = parse_ini.parse(inifile, params_init, prefix=prefix)
print params
output_tag = "%s_%s" % (params['left_mapkey'], params['output_tag'])
output_root = "%s/%s/" % (outdir, output_tag)
if generate:
output_tag = None
print output_root, output_tag
file_tools.mkparents(output_root)
parse_ini.write_params(params, output_root + 'params.ini', prefix=prefix)
datapath_db = data_paths.DataPath()
return batch_single_crosspwr(params["left_mapkey"],
params["right_simkey"],
params["right_weightkey"],
multiplier=params["multiplier"],
inifile=params["spec_ini"],
datapath_db=datapath_db,
outdir=output_root,
output_tag=output_tag)
def execute(self, nprocesses=1) :
params = self.params
kiyopy.utils.mkparents(params['output_root'])
parse_ini.write_params(params, params['output_root'] + 'params.ini',
prefix=prefix)
guppi_result = params['Guppi_test']
output_root = params['output_root']
output_end = params['output_end']
file_name = params['file_middles'][0].split('/')[1]
# print file_name
sess = file_name.split('_')[0]
# print sess
self.file_num = len(params['file_middles']) # getting a variable for number of calibrator files being used
# Need to remove count for calibrator files that are not the right size.
session_nums = sp.zeros(self.file_num)
c = 0
for file_middle in params['file_middles'] :
input_fname = (params['input_root'] + file_middle +
params['input_end'])
Reader = core.fitsGBT.Reader(input_fname)
n_scans = len(Reader.scan_set)
Len_set = Reader.read(0,0,force_tuple=True)
# session_nums[c] = file_middle.split('_')[0]
# print session_nums[c]
for Data in Len_set :
freq_num = Data.dims[3] # Setting the frequency binning to match whatever it's been set to.
if guppi_result == True :
if n_scans != 2 :
self.file_num -=1
elif guppi_result == False :
if n_scans != 4 :
self.file_num -=1
c+=1
# Need to know the general frequency binning (going to assume that it's 200 for guppi, 260 for spectrometer, aka 1 MHz binning)
# if guppi_result == True :
# freq_num = 200
if guppi_result == False :
# freq_num = 260
self.file_num *= 2 #because there are two sets of scans per file for spectrometer, need to double the number of values
self.function = sp.zeros(4*self.file_num) #setting a variable of the right size for peval to use
self.theta = sp.zeros(4*self.file_num) #setting a variable for parallactic angle in radians
self.d = sp.zeros((4*self.file_num,freq_num)) #setting a variable for measured values
# Loop over files to process.
k=0
for file_middle in params['file_middles'] :
input_fname = (params['input_root'] + file_middle +
params['input_end'])
# Read in the data, and loop over data blocks.
Reader = core.fitsGBT.Reader(input_fname)
n_IFs = len(Reader.IF_set) # Should be 1 given that we've stitched windows for the spectrometer or by def in guppi
n_scans = len(Reader.scan_set) #Should be 4 for the spectrometer, 2 for guppi
OnBlocks = Reader.read(range(0,n_scans,2),0,force_tuple=True)
OffBlocks = Reader.read(range(1,n_scans,2),0,force_tuple=True)
#force_tuple=True makes the ouput of Reader.read a tuple even if thre is only one Block to return.
Blocks = Reader.read(params['scans'], params['IFs'],
force_tuple=True)
# Setting labels for indices for later
on_ind = 0
off_ind = 1
XX_ind = 0
YY_ind = 3
XY_ind = 1
YX_ind = 2
#Calculating Parallactic angles for the cal file
PA = sp.zeros(n_scans)
m = 0
for Data in Blocks:
freq_len = Data.dims[3]
Data.calc_freq()
freq_val = Data.freq
freq_val = freq_val/1000000
Data.calc_PA()
PA[m] = ma.mean(Data.PA)
m+=1
#Building the measured data into arrays (guppi version)
if guppi_result == True :
if n_scans == 2 :
self.theta[k] = ma.mean(PA)
self.theta[k+1] = ma.mean(PA)
self.theta[k+2] = ma.mean(PA)
self.theta[k+3] = ma.mean(PA)
S_med_calon_src = sp.zeros((freq_len,4))
S_med_caloff_src = sp.zeros((freq_len,4))
S_med_calon = sp.zeros((freq_len,4))
S_med_caloff = sp.zeros((freq_len,4))
for Data in OnBlocks:
S_med_caloff_src[:,0] = ma.median(Data.data[:,XX_ind,off_ind,:],axis=0)
S_med_caloff_src[:,1] = ma.median(Data.data[:,XY_ind,off_ind,:],axis=0)
S_med_caloff_src[:,2] = ma.median(Data.data[:,YX_ind,off_ind,:],axis=0)
S_med_caloff_src[:,3] = ma.median(Data.data[:,YY_ind,off_ind,:],axis=0)
S_med_calon_src[:,0] = ma.median(Data.data[:,XX_ind,on_ind,:],axis=0)
S_med_calon_src[:,1] = ma.median(Data.data[:,XY_ind,on_ind,:],axis=0)
S_med_calon_src[:,2] = ma.median(Data.data[:,YX_ind,on_ind,:],axis=0)
S_med_calon_src[:,3] = ma.median(Data.data[:,YY_ind,on_ind,:],axis=0)
for Data in OffBlocks:
S_med_caloff[:,0] = ma.median(Data.data[:,XX_ind,off_ind,:],axis=0)
S_med_caloff[:,1] = ma.median(Data.data[:,XY_ind,off_ind,:],axis=0)
S_med_caloff[:,2] = ma.median(Data.data[:,YX_ind,off_ind,:],axis=0)
S_med_caloff[:,3] = ma.median(Data.data[:,YY_ind,off_ind,:],axis=0)
S_med_calon[:,0] = ma.median(Data.data[:,XX_ind,on_ind,:],axis=0)
S_med_calon[:,1] = ma.median(Data.data[:,XY_ind,on_ind,:],axis=0)
S_med_calon[:,2] = ma.median(Data.data[:,YX_ind,on_ind,:],axis=0)
S_med_calon[:,3] = ma.median(Data.data[:,YY_ind,on_ind,:],axis=0)
self.d[k,:] = 0.5*(S_med_calon_src[:,0]+S_med_caloff_src[:,0]-S_med_calon[:,0]-S_med_caloff[:,0])
self.d[k+1,:] = 0.5*(S_med_calon_src[:,1]+S_med_caloff_src[:,1]-S_med_calon[:,1]-S_med_caloff[:,1])
self.d[k+2,:] = 0.5*(S_med_calon_src[:,2]+S_med_caloff_src[:,2]-S_med_calon[:,2]-S_med_caloff[:,2])
self.d[k+3,:] = 0.5*(S_med_calon_src[:,3]+S_med_caloff_src[:,3]-S_med_calon[:,3]-S_med_caloff[:,3])
# self.d[k,:] = S_med_calon[:,0] - S_med_calon_src[:,0]+S_med_caloff_src[:,0] # should be Tsys/Tcal
# self.d[k+1,:] = S_med_calon[:,3] - S_med_calon_src[:,3]+S_med_caloff_src[:,3]
# self.d[k+2,:] = S_med_caloff[:,0] # should also be Tsys/Tcal
# self.d[k+3,:] = S_med_caloff[:,3]
k+=4
for a in range(0,4*self.file_num):
for b in range(0,freq_num):
# print self.d[a,b]
if self.d[a,b] > 1000 :
self.d[a,b] = 1000
print self.d[:,150]
# self is a directory of Tsrc data. I can use this as my corrected data for plotting.
# It looks like at the end k should equal the number of on, off src sets (so if one set of onoff scans eg 6-9, k = 8)
# source data for use in ploting
XXsrc_3C286 = sp.zeros(freq_len)
YYsrc_3C286 = sp.zeros(freq_len)
XXsrc_3C48 = sp.zeros(freq_len)
YYsrc_3C48 = sp.zeros(freq_len)
Usrc_3C286 = sp.zeros(freq_len)
for f in range(0,freq_num):
Isrc_3C286 = 19.74748409*pow((750.0/freq_val[f]),0.49899785)*(2.28315426-0.000484307905*freq_val[f]) # My fit solution for 3C286
# Isrc_3C48 = 25.15445092*pow((750.0/freq_val[f]),0.75578842)*(2.28315426-0.000484307905*freq_val[f]) # My fit solution for 3C48
# Isrc_3C67 = 4.56303633*pow((750.0/freq_val[f]),0.59237327)*(2.28315426-0.000484307905*freq_val[f]) # My fit solution for 3C67
Isrc_3C48 = 31.32846821*pow(750.0/freq_val[f],0.52113534)*(2.28315426-0.000484307905*freq_val[f])#My fit solution for 3C147
PAsrc_3C286 = 33.0*sp.pi/180.0 # for 3C286, doesn't matter for unpolarized.
Psrc_3C286 = 0.07 #for 3C286
Psrc = 0 #for #3C48,3C67
# Qsrc = Isrc*Psrc*sp.cos(2*PAsrc)
# Usrc = Isrc*Psrc*sp.sin(2*PAsrc)
# Vsrc = 0
XXsrc_3C286[f] = Isrc_3C286*(1-Psrc_3C286*sp.cos(2*PAsrc_3C286))
YYsrc_3C286[f] = Isrc_3C286*(1+Psrc_3C286*sp.cos(2*PAsrc_3C286))
Usrc_3C286[f] = Isrc_3C286*Psrc_3C286*sp.sin(2*PAsrc_3C286)
XXsrc_3C48[f] = Isrc_3C48
YYsrc_3C48[f] = Isrc_3C48
# Usrc_3C48 = 0
XX_compare = sp.zeros((freq_len,k/4))
YY_compare = sp.zeros((freq_len,k/4))
XX_PA_3C286 = sp.zeros((freq_len,k/4))
YY_PA_3C286 = sp.zeros((freq_len,k/4))
for c in range(0,k/4):
# XX_PA_3C286[:,c] = 0.5*(1+sp.cos(2*self.theta[4*c]))*XXsrc_3C286[:]-sp.sin(2*self.theta[4*c])*Usrc_3C286[:]+0.5*(1-sp.cos(2*self.theta[4*c]))*YYsrc_3C286[:]
# YY_PA_3C286[:,c] = 0.5*(1-sp.cos(2*self.theta[4*c]))*XXsrc_3C286[:]+sp.sin(2*self.theta[4*c])*Usrc_3C286[:]+0.5*(1+sp.cos(2*self.theta[4*c]))*YYsrc_3C286[:]
XX_compare[:,c] = self.d[c*4,:]
YY_compare[:,c] = self.d[c*4+3,:]
# XX_compare[:,c] = self.d[c*4,:] # Tsys/Tcal 1, XX
# YY_compare[:,c] = self.d[c*4+1,:]# Tsys/Tcal 1, YY
XX_PA_3C286[:,c] = self.d[c*4+2,:]# Tsys/Tcal 2, XX
YY_PA_3C286[:,c] = self.d[c*4+3,:]# Tsys/Tcal 2, YY
pl.plot(freq_val,XXsrc_3C286,label='XX_3C286',color='b')
# pl.plot(freq_val,YYsrc_3C286,label='YY_3C286',color='b')
# pl.plot(freq_val,XXsrc_3C48,label='XX_3C147',color='b')
# pl.plot(freq_val,XXsrc_3C48,label='YY_3C48',color='b')
for d in range(0,k/4):
if d == 0:
col = 'g'
elif d == 1:
col = 'r'
elif d == 2:
col = 'c'
elif d == 3:
col = 'm'
elif d == 4:
col = 'y'
else:
col = 'k'
# pl.plot(freq_val,XX_compare[:,d], 'g-.', label='XX_'+str(d),color=col)
# pl.plot(freq_val,YY_compare[:,d], label='YY_'+str(d),color=col)
# pl.plot(freq_val,XX_PA_3C286[:,d], label='XX_2_'+str(d),color=col)
pl.plot(freq_val,XX_compare[:,d],label='XX_'+str(d),color = col)
# pl.plot(freq_val,YY_compare[:,d],label='YY_'+str(d),color = col)
# pl.plot(freq_val,XX_PA_3C286[:,d],label='XXsrc_'+str(d), color = col)
# pl.plot(freq_val,YY_PA_3C286[:,d],label='YYsrc_'+str(d), color = col)
leg = pl.legend(fancybox='True')
leg.get_frame().set_alpha(0.25)
pl.ylim(30,45)
pl.xlabel("Frequency (MHz)")
pl.ylabel("Temperature (K)")
title0 = sess+ '_Tsrc_Test.png'
# title0 = sess+'_Tsys_Test.png'
pl.savefig(title0)
pl.clf()
def execute(self, nprocesses=1) :
"""Worker funciton."""
params = self.params
# Make parent directory and write parameter file.
kiyopy.utils.mkparents(params['output_root'])
parse_ini.write_params(params, params['output_root'] + 'params.ini',
prefix=prefix)
save_noise_diag = params['save_noise_diag']
in_root = params['input_root']
all_out_fname_list = []
all_in_fname_list = []
# Figure out what the band names are.
bands = params['bands']
if not bands:
map_files = glob.glob(in_root + 'dirty_map_' + pol_str + "_*.npy")
bands = []
root_len = len(in_root + 'dirty_map_')
for file_name in map_files:
bands.append(file_name[root_len:-4])
# Loop over files to process.
for pol_str in params['polarizations']:
for band in bands:
if band == -1:
band_str = ''
else:
band_str = "_" + repr(band)
dmap_fname = (in_root + 'dirty_map_' + pol_str +
band_str + '.npy')
all_in_fname_list.append(
kiyopy.utils.abbreviate_file_path(dmap_fname))
# Load the dirty map and the noise matrix.
dirty_map = algebra.load(dmap_fname)
dirty_map = algebra.make_vect(dirty_map)
if dirty_map.axes != ('freq', 'ra', 'dec') :
msg = ("Expeced dirty map to have axes ('freq',"
"'ra', 'dec'), but it has axes: "
+ str(dirty_map.axes))
raise ce.DataError(msg)
shape = dirty_map.shape
# Initialize the clean map.
clean_map = algebra.info_array(sp.zeros(dirty_map.shape))
clean_map.info = dict(dirty_map.info)
clean_map = algebra.make_vect(clean_map)
# If needed, initialize a map for the noise diagonal.
if save_noise_diag :
noise_diag = algebra.zeros_like(clean_map)
if params["from_eig"]:
# Solving from eigen decomposition of the noise instead of
# the noise itself.
# Load in the decomposition.
evects_fname = (in_root + 'noise_evects_' + pol_str +
+ band_str + '.npy')
if self.feedback > 1:
print "Using dirty map: " + dmap_fname
print "Using eigenvectors: " + evects_fname
evects = algebra.open_memmap(evects_fname, 'r')
evects = algebra.make_mat(evects)
evals_inv_fname = (in_root + 'noise_evalsinv_' + pol_str
+ "_" + repr(band) + '.npy')
evals_inv = algebra.load(evals_inv_fname)
evals_inv = algebra.make_mat(evals_inv)
# Solve for the map.
if params["save_noise_diag"]:
clean_map, noise_diag = solve_from_eig(evals_inv,
evects, dirty_map, True, self.feedback)
else:
clean_map = solve_from_eig(evals_inv,
evects, dirty_map, False, self.feedback)
# Delete the eigen vectors to recover memory.
del evects
else:
# Solving from the noise.
noise_fname = (in_root + 'noise_inv_' + pol_str +
band_str + '.npy')
if self.feedback > 1:
print "Using dirty map: " + dmap_fname
print "Using noise inverse: " + noise_fname
all_in_fname_list.append(
kiyopy.utils.abbreviate_file_path(noise_fname))
noise_inv = algebra.open_memmap(noise_fname, 'r')
noise_inv = algebra.make_mat(noise_inv)
# Two cases for the noise. If its the same shape as the map
# then the noise is diagonal. Otherwise, it should be
# block diagonal in frequency.
if noise_inv.ndim == 3 :
if noise_inv.axes != ('freq', 'ra', 'dec') :
msg = ("Expeced noise matrix to have axes "
"('freq', 'ra', 'dec'), but it has: "
+ str(noise_inv.axes))
raise ce.DataError(msg)
# Noise inverse can fit in memory, so copy it.
noise_inv_memory = sp.array(noise_inv, copy=True)
# Find the non-singular (covered) pixels.
max_information = noise_inv_memory.max()
good_data = noise_inv_memory < 1.0e-10*max_information
# Make the clean map.
clean_map[good_data] = (dirty_map[good_data]
/ noise_inv_memory[good_data])
if save_noise_diag :
noise_diag[good_data] = \
1/noise_inv_memory[good_data]
elif noise_inv.ndim == 5 :
if noise_inv.axes != ('freq', 'ra', 'dec', 'ra',
'dec'):
msg = ("Expeced noise matrix to have axes "
"('freq', 'ra', 'dec', 'ra', 'dec'), "
"but it has: " + str(noise_inv.axes))
raise ce.DataError(msg)
# Arrange the dirty map as a vector.
dirty_map_vect = sp.array(dirty_map) # A view.
dirty_map_vect.shape = (shape[0], shape[1]*shape[2])
frequencies = dirty_map.get_axis('freq')/1.0e6
# Allowcate memory only once.
noise_inv_freq = sp.empty((shape[1], shape[2],
shape[1], shape[2]), dtype=float)
if self.feedback > 1 :
print "Inverting noise matrix."
# Block diagonal in frequency so loop over frequencies.
for ii in xrange(dirty_map.shape[0]) :
if self.feedback > 1:
print "Frequency: ", "%5.1f"%(frequencies[ii]),
if self.feedback > 2:
print ", start mmap read:",
sys.stdout.flush()
noise_inv_freq[...] = noise_inv[ii, ...]
if self.feedback > 2:
print "done, start eig:",
sys.stdout.flush()
noise_inv_freq.shape = (shape[1]*shape[2],
shape[1]*shape[2])
# Solve the map making equation by diagonalization.
noise_inv_diag, Rot = sp.linalg.eigh(
noise_inv_freq, overwrite_a=True)
if self.feedback > 2:
print "done",
map_rotated = sp.dot(Rot.T, dirty_map_vect[ii])
# Zero out infinite noise modes.
bad_modes = (noise_inv_diag
< 1.0e-5 * noise_inv_diag.max())
if self.feedback > 1:
print ", discarded: ",
print "%4.1f" % (100.0 * sp.sum(bad_modes)
/ bad_modes.size),
print "% of modes",
if self.feedback > 2:
print ", start rotations:",
sys.stdout.flush()
map_rotated[bad_modes] = 0.
noise_inv_diag[bad_modes] = 1.0
# Solve for the clean map and rotate back.
map_rotated /= noise_inv_diag
map = sp.dot(Rot, map_rotated)
if self.feedback > 2:
print "done",
sys.stdout.flush()
# Fill the clean array.
map.shape = (shape[1], shape[2])
clean_map[ii, ...] = map
if save_noise_diag :
# Using C = R Lambda R^T
# where Lambda = diag(1/noise_inv_diag).
temp_noise_diag = 1/noise_inv_diag
temp_noise_diag[bad_modes] = 0
# Multiply R by the diagonal eigenvalue matrix.
# Broadcasting does equivalent of mult by diag
# matrix.
temp_mat = Rot*temp_noise_diag
# Multiply by R^T, but only calculate the
# diagonal elements.
for jj in range(shape[1]*shape[2]) :
temp_noise_diag[jj] = sp.dot(
temp_mat[jj,:], Rot[jj,:])
temp_noise_diag.shape = (shape[1], shape[2])
noise_diag[ii, ...] = temp_noise_diag
# Return workspace memory to origional shape.
noise_inv_freq.shape = (shape[1], shape[2],
shape[1], shape[2])
if self.feedback > 1:
print ""
sys.stdout.flush()
elif noise_inv.ndim == 6 :
if save_noise_diag:
# OLD WAY.
#clean_map, noise_diag, chol = solve(noise_inv,
# dirty_map, True, feedback=self.feedback)
# NEW WAY.
clean_map, noise_diag, noise_inv_diag, chol = \
solve(noise_fname, noise_inv, dirty_map,
True, feedback=self.feedback)
else:
# OLD WAY.
#clean_map, chol = solve(noise_inv, dirty_map,
# False, feedback=self.feedback)
# NEW WAY.
clean_map, noise_inv_diag, chol = \
solve(noise_fname, noise_inv, dirty_map,
False, feedback=self.feedback)
if params['save_cholesky']:
chol_fname = (params['output_root'] + 'chol_'
+ pol_str + band_str + '.npy')
sp.save(chol_fname, chol)
if params['save_noise_inv_diag']:
noise_inv_diag_fname = (params['output_root'] +
'noise_inv_diag_' + pol_str + band_str
+ '.npy')
algebra.save(noise_inv_diag_fname, noise_inv_diag)
# Delete the cholesky to recover memory.
del chol
else :
raise ce.DataError("Noise matrix has bad shape.")
# In all cases delete the noise object to recover memeory.
del noise_inv
# Write the clean map to file.
out_fname = (params['output_root'] + 'clean_map_'
+ pol_str + band_str + '.npy')
if self.feedback > 1:
print "Writing clean map to: " + out_fname
algebra.save(out_fname, clean_map)
all_out_fname_list.append(
kiyopy.utils.abbreviate_file_path(out_fname))
if save_noise_diag :
noise_diag_fname = (params['output_root'] + 'noise_diag_'
+ pol_str + band_str + '.npy')
algebra.save(noise_diag_fname, noise_diag)
all_out_fname_list.append(
kiyopy.utils.abbreviate_file_path(noise_diag_fname))
# Check the clean map for faileur.
if not sp.alltrue(sp.isfinite(clean_map)):
n_bad = sp.sum(sp.logical_not(sp.isfinite(clean_map)))
msg = ("Non finite entries found in clean map. Solve"
" failed. %d out of %d entries bad"
% (n_bad, clean_map.size))
raise RuntimeError(msg)
def execute(self):
'''Clean the maps of foregrounds, save the results, and get the
autocorrelation.'''
params = self.params
freq_list = sp.array(params['freq_list'], dtype=int)
lags = sp.array(params['lags'])
# Write parameter file.
kiyopy.utils.mkparents(params['output_root'])
parse_ini.write_params(params, params['output_root'] + 'params.ini',
prefix=prefix)
# Get the map data from file as well as the noise inverse.
if len(params['file_middles']) == 1:
fmid_name = params['file_middles'][0]
params['file_middles'] = (fmid_name, fmid_name)
if len(params['file_middles']) >= 2:
# Deal with multiple files.
num_maps = len(params['file_middles'])
maps = []
noise_invs = []
# Load all maps and noises once.
for map_index in range(0, num_maps):
map_file = (params['input_root'] +
params['file_middles'][map_index] +
params['input_end_map'])
print "Loading map %d of %d." % (map_index + 1, num_maps)
map_in = algebra.make_vect(algebra.load(map_file))
maps.append(map_in)
if not params["no_weights"]:
noise_file = (params['input_root'] +
params['file_middles'][map_index] +
params['input_end_noise'])
print "Loading noise %d of %d." % (map_index + 1, num_maps)
noise_inv = algebra.make_mat(
algebra.open_memmap(noise_file, mode='r'))
noise_inv = noise_inv.mat_diag()
else:
noise_inv = algebra.ones_like(map_in)
noise_invs.append(noise_inv)
pairs = []
# Make pairs with deepcopies to not make mutability mistakes.
for map1_index in range(0, num_maps):
for map2_index in range(0, num_maps):
if (map2_index > map1_index):
map1 = copy.deepcopy(maps[map1_index])
map2 = copy.deepcopy(maps[map2_index])
noise_inv1 = copy.deepcopy(noise_invs[map1_index])
noise_inv2 = copy.deepcopy(noise_invs[map2_index])
pair = map_pair.MapPair(map1, map2,
noise_inv1, noise_inv2,
freq_list)
pair.lags = lags
pair.params = params
# Keep track of the names of maps in pairs so
# it knows what to save later.
pair.set_names(params['file_middles'][map1_index],
params['file_middles'][map2_index])
pairs.append(pair)
num_map_pairs = len(pairs)
print "%d map pairs created from %d maps." % (len(pairs), num_maps)
# Hold a reference in self.
self.pairs = pairs
# Get maps/ noise inv ready for running.
if params["convolve"]:
for pair in pairs:
pair.degrade_resolution()
if params['factorizable_noise']:
for pair in pairs:
pair.make_noise_factorizable()
if params['sub_weighted_mean']:
for pair in pairs:
pair.subtract_weighted_mean()
self.pairs = pairs
# Since correlating takes so long, if you already have the svds
# you can skip this first correlation [since that's all it's really
# for and it is the same no matter how many modes you want].
# Note: map_pairs will not have anything saved in 'fore_corr' if you
# skip this correlation.
if not params['skip_fore_corr']:
# Correlate the maps with multiprocessing. Note that the
# correlations are saved to file separately then loaded in
# together because that's (one way) how multiprocessing works.
runlist = [(pairs[pair_index],
params['output_root'],
pair_index, False) for
pair_index in range(0, num_map_pairs)]
pool = multiprocessing.Pool(processes=multiprocessing.cpu_count())
pool.map(multiproc, runlist)
# Load the correlations and save them to each pair. The pairs that
# got passed to multiproc are not the same ones as ones in
# self.pairs, so this must be done to have actual values.
print "Loading map pairs back into program."
file_name = params['output_root']
file_name += "map_pair_for_freq_slices_fore_corr_"
fore_pairs = []
for count in range(0, num_map_pairs):
print "Loading correlation for pair %d" % (count)
pickle_handle = open(file_name + str(count) + ".pkl", "r")
correlate_results = cPickle.load(pickle_handle)
pairs[count].fore_corr = correlate_results[0]
pairs[count].fore_counts = correlate_results[1]
fore_pairs.append(pairs[count])
pickle_handle.close()
self.fore_pairs = copy.deepcopy(fore_pairs)
# With this, you do not need fore_pairs anymore.
self.pairs = copy.deepcopy(fore_pairs)
pairs = self.pairs
# Get foregrounds.
# svd_info_list keeps track of all of the modes of all maps in
# all pairs. This means if you want to subract a different number
# of modes for the same maps/noises/frequencies, you have the modes
# already saved and do not need to run the first correlation again.
svd_info_list = []
for pair in pairs:
vals, modes1, modes2 = cf.get_freq_svd_modes(pair.fore_corr,
len(freq_list))
pair.vals = vals
# Save ALL of the modes for reference.
pair.all_modes1 = modes1
pair.all_modes2 = modes2
svd_info = (vals, modes1, modes2)
svd_info_list.append(svd_info)
# Save only the modes you want to subtract.
n_modes = params['modes']
pair.modes1 = modes1[:n_modes]
pair.modes2 = modes2[:n_modes]
self.svd_info_list = svd_info_list
self.pairs = pairs
if params['save_svd_info']:
io_wrap.save_pickle(self.svd_info_list, params['svd_file'])
else:
# The first correlation and svd has been skipped.
# This means you already have the modes so you can just load
# them from file.
self.svd_info_list = io_wrap.load_pickle(params['svd_file'])
# Set the svd info to the pairs.
for i in range(0, len(pairs)):
svd_info = self.svd_info_list[i]
pairs[i].vals = svd_info[0]
pairs[i].all_modes1 = svd_info[1]
pairs[i].all_modes2 = svd_info[2]
n_modes = params['modes']
pairs[i].modes1 = svd_info[1][:n_modes]
pairs[i].modes2 = svd_info[2][:n_modes]
self.pairs = pairs
# Subtract foregrounds.
for pair_index in range(0, len(pairs)):
pairs[pair_index].subtract_frequency_modes(pairs[pair_index].modes1,
pairs[pair_index].modes2)
# Save cleaned clean maps, cleaned noises, and modes.
self.save_data(save_maps=params['save_maps'],
save_noises=params['save_noises'],
save_modes=params['save_modes'])
# Finish if this was just first pass.
if params['first_pass_only']:
self.pairs = pairs
return
# Correlate the cleaned maps.
# Here we could calculate the power spectrum instead eventually.
runlist = [(pairs[pair_index],
params['output_root'],
pair_index, True) for
pair_index in range(0, num_map_pairs)]
pool = multiprocessing.Pool(processes=multiprocessing.cpu_count())
pool.map(multiproc, runlist)
print "Loading map pairs back into program."
file_name = params['output_root']
file_name += "map_pair_for_freq_slices_corr_"
temp_pair_list = []
for count in range(0, num_map_pairs):
print "Loading correlation for pair %d" % (count)
pickle_handle = open(file_name + str(count) + ".pkl", "r")
correlate_results = cPickle.load(pickle_handle)
pairs[count].corr = correlate_results[0]
pairs[count].counts = correlate_results[1]
temp_pair_list.append(pairs[count])
pickle_handle.close()
self.pairs = copy.deepcopy(temp_pair_list)
# Get the average correlation and its standard deviation.
corr_list = []
for pair in self.pairs:
corr_list.append(pair.corr)
self.corr_final, self.corr_std = cf.get_corr_and_std_3d(corr_list)
if params['pickle_slices']:
pickle_slices(self)
return
def execute(self, nprocesses=1) :
params = self.params
kiyopy.utils.mkparents(params['output_root'])
parse_ini.write_params(params, params['output_root'] + 'params.ini',
prefix=prefix)
guppi_result = params['Guppi_test']
output_root = params['output_root']
output_end = params['output_end']
RM_dir = params['RM_dir']
file_name = params['file_middles'][0].split('/')[1]
# print file_name
sess = file_name.split('_')[0]
# print sess
self.file_num = len(params['file_middles']) # getting a variable for number of calibrator files being used
# Need to remove count for calibrator files that are not the right size.
session_nums = sp.zeros(self.file_num)
c = 0
for file_middle in params['file_middles'] :
input_fname = (params['input_root'] + file_middle +
params['input_end'])
Reader = core.fitsGBT.Reader(input_fname)
n_scans = len(Reader.scan_set)
Len_set = Reader.read(0,0,force_tuple=True)
# session_nums[c] = file_middle.split('_')[0]
# print session_nums[c]
for Data in Len_set :
freq_num = Data.dims[3] # Setting the frequency binning to match whatever it's been set to.
if guppi_result == True :
if n_scans != 2 :
self.file_num -=1
elif guppi_result == False :
if n_scans != 4 :
self.file_num -=1
c+=1
# Need to know the general frequency binning (going to assume that it's 200 for guppi, 260 for spectrometer, aka 1 MHz binning)
# if guppi_result == True :
# freq_num = 200
if guppi_result == False :
# freq_num = 260
self.file_num *= 2 #because there are two sets of scans per file for spectrometer, need to double the number of values
self.function = sp.zeros(4*self.file_num) #setting a variable of the right size for peval to use
self.theta = sp.zeros(4*self.file_num) #setting a variable for parallactic angle in radians
self.RM = sp.zeros(4*self.file_num) #setting a variable for Rotation Measure in Rad/m^2
self.d = sp.zeros((4*self.file_num,freq_num)) #setting a variable for measured values
# Loop over files to process.
k=0
for file_middle in params['file_middles'] :
input_fname = (params['input_root'] + file_middle +
params['input_end'])
# Read in the data, and loop over data blocks.
Reader = core.fitsGBT.Reader(input_fname)
n_IFs = len(Reader.IF_set) # Should be 1 given that we've stitched windows for the spectrometer or by def in guppi
n_scans = len(Reader.scan_set) #Should be 4 for the spectrometer, 2 for guppi
# print n_scans
OnBlocks = Reader.read(range(0,n_scans,2),0,force_tuple=True)
OffBlocks = Reader.read(range(1,n_scans,2),0,force_tuple=True)
#force_tuple=True makes the ouput of Reader.read a tuple even if thre is only one Block to return.
Blocks = Reader.read(params['scans'], params['IFs'],
force_tuple=True)
# Setting labels for indices for later
on_ind = 0
off_ind = 1
XX_ind = 0
YY_ind = 3
XY_ind = 1
YX_ind = 2
#Calculating Parallactic angles for the cal file
PA = sp.zeros(n_scans)
RM = sp.zeros(n_scans)
m = 0
for Data in Blocks:
# Comp_Time = 0.0
freq_len = Data.dims[3]
time_len = Data.dims[0]
# print time_len
Data.calc_freq()
freq_val = Data.freq
freq_val = freq_val/1000000
Data.calc_PA()
PA[m] = ma.mean(Data.PA)
#Include RM stuff in the code:
# Full_date = Data.field['DATE-OBS'][Data.dims[0]/2]
# print Full_date
# Date = Full_date.split('T')[0]
# Year = Date.split('-')[0]
# Month = Date.split('-')[1]
# Day = Date.split('-')[2]
# Full_time = Full_date.split('T')[1]
# Hour = Full_time.split(':')[0]
# print Hour
# Min = Full_time.split(':')[1]
# Sec = Full_time.split(':')[2]
# if int(Min)<=15:
# Comp_Time = float(Hour) +0.0
# elif int(Min)<=45:
# Comp_Time = float(Hour) + 0.5
# else :
# Comp_Time = float(Hour) + 1
# print str(Comp_Time)
# print '---'
# RM_file_name = RM_dir + Year+Month+Day+'_RM.txt'
# RM_data = np.loadtxt(RM_file_name)
# RA_RM = sp.zeros(len(RM_data[:,0]))
# DEC_RM = sp.zeros(len(RM_data[:,0]))
# for i in range(0, len(RM_data[:,0])):
# RM_Hr = int(RM_data[i,0])
# print RM_Hr
# if RM_data[i,0]%1 == 0 :
# RM_Min = '00'
# minutes = 0.0
# else:
# RM_MIN = '30'
# minutes = 0.5
# Test = float(RM_Hr) + minutes
# print Test
# if str(Comp_Time) == str(Test):
# UT_RM = Date+'T'+str(RM_Hr)+':'+RM_Min+':00.00'
# EL_RM = RM_data[i,2]
# AZ_RM = RM_data[i,1]
# print EL_RM, AZ_RM
# RA_RM[i], DEC_RM[i] = utils.elaz2radecGBT(EL_RM,AZ_RM,UT_RM)
# print RA_RM[i], DEC_RM[i]
# RA = ma.mean(Data.field['CRVAL2'])
# print RA
# print ma.mean(RA)
# DEC = ma.mean(Data.field['CRVAL3'])
# print RA, DEC
# print ma.mean(DEC)
# print '_____________'
# print RA_RM, DEC_RM
# valid = []
# for i in range(0,len(RA_RM)):
# if RA_RM[i] != 0:
# if abs(RA-RA_RM[i])<=10.0 :
# print RA_RM[i], DEC_RM[i]
# if abs(DEC-DEC_RM[i])<10.0:
# print RA_RM[i], DEC_RM[i]
## RM[m]=RM_data[i,3]
# valid.append(i)
# print valid
# RA_M=10.0
# DEC_M=10.0
# for j in range(0,len(valid)):
# if abs(RA-RA_RM[valid[j]])<RA_M:
# if abs(DEC-DEC_RM[valid[j]])<DEC_M:
# RM[m] = RM_data[valid[j],3]
m+=1
# Now have a table of RMs for each scan.
# print time_len
# print freq_len
# print m
print RM
#Building the measured data into arrays (guppi version)
if guppi_result == True :
if n_scans == 2 :
self.theta[k] = ma.mean(PA)
self.theta[k+1] = ma.mean(PA)
self.theta[k+2] = ma.mean(PA)
self.theta[k+3] = ma.mean(PA)
self.RM[k] = ma.mean(RM)
self.RM[k+1] = ma.mean(RM)
self.RM[k+2] = ma.mean(RM)
self.RM[k+3] = ma.mean(RM)
# print self.RM
#for if I want to do the difference of medians
S_med_calon_src = sp.zeros((freq_len,4))
S_med_caloff_src = sp.zeros((freq_len,4))
S_med_calon = sp.zeros((freq_len,4))
S_med_caloff = sp.zeros((freq_len,4))
#arrays built without taking median
for Data in OnBlocks:
S_src = Data.data
# print len(S_src)
for Data in OffBlocks:
S_offsrc = Data.data
# print len(S_offsrc)
#arrays built taking median
for Data in OnBlocks:
S_med_caloff_src[:,0] = ma.median(Data.data[:,XX_ind,off_ind,:],axis=0)
S_med_caloff_src[:,1] = ma.median(Data.data[:,XY_ind,off_ind,:],axis=0)
S_med_caloff_src[:,2] = ma.median(Data.data[:,YX_ind,off_ind,:],axis=0)
S_med_caloff_src[:,3] = ma.median(Data.data[:,YY_ind,off_ind,:],axis=0)
S_med_calon_src[:,0] = ma.median(Data.data[:,XX_ind,on_ind,:],axis=0)
S_med_calon_src[:,1] = ma.median(Data.data[:,XY_ind,on_ind,:],axis=0)
S_med_calon_src[:,2] = ma.median(Data.data[:,YX_ind,on_ind,:],axis=0)
S_med_calon_src[:,3] = ma.median(Data.data[:,YY_ind,on_ind,:],axis=0)
for Data in OffBlocks:
S_med_caloff[:,0] = ma.median(Data.data[:,XX_ind,off_ind,:],axis=0)
S_med_caloff[:,1] = ma.median(Data.data[:,XY_ind,off_ind,:],axis=0)
S_med_caloff[:,2] = ma.median(Data.data[:,YX_ind,off_ind,:],axis=0)
S_med_caloff[:,3] = ma.median(Data.data[:,YY_ind,off_ind,:],axis=0)
S_med_calon[:,0] = ma.median(Data.data[:,XX_ind,on_ind,:],axis=0)
S_med_calon[:,1] = ma.median(Data.data[:,XY_ind,on_ind,:],axis=0)
S_med_calon[:,2] = ma.median(Data.data[:,YX_ind,on_ind,:],axis=0)
S_med_calon[:,3] = ma.median(Data.data[:,YY_ind,on_ind,:],axis=0)
#Final input if we already took median
self.d[k,:] = 0.5*(S_med_calon_src[:,0]+S_med_caloff_src[:,0]-S_med_calon[:,0]-S_med_caloff[:,0])
self.d[k+1,:] = 0.5*(S_med_calon_src[:,1]+S_med_caloff_src[:,1]-S_med_calon[:,1]-S_med_caloff[:,1])
self.d[k+2,:] = 0.5*(S_med_calon_src[:,2]+S_med_caloff_src[:,2]-S_med_calon[:,2]-S_med_caloff[:,2])
self.d[k+3,:] = 0.5*(S_med_calon_src[:,3]+S_med_caloff_src[:,3]-S_med_calon[:,3]-S_med_caloff[:,3])
#Final input if we did not yet take median
# print 0.5*(S_src[:,XX_ind,1,:]+S_src[:,XX_ind,0,:]-S_offsrc[:,XX_ind,1,:]-S_offsrc[:,XX_ind,0,:])
# self.d[k,:] = ma.mean(0.5*(S_src[:,XX_ind,1,:]+S_src[:,XX_ind,0,:]-S_offsrc[:,XX_ind,1,:]-S_offsrc[:,XX_ind,0,:]),axis=0)
# self.d[k+1,:] = ma.mean(0.5*(S_src[:,XY_ind,1,:]+S_src[:,XY_ind,0,:]-S_offsrc[:,XY_ind,1,:]-S_offsrc[:,XY_ind,0,:]),axis=0)
# self.d[k+2,:] =ma.mean(0.5*(S_src[:,YX_ind,1,:]+S_src[:,YX_ind,0,:]-S_offsrc[:,YX_ind,1,:]-S_offsrc[:,YX_ind,0,:]),axis=0)
# self.d[k+3,:] =ma.mean(0.5*(S_src[:,YY_ind,1,:]+S_src[:,YY_ind,0,:]-S_offsrc[:,YY_ind,1,:]-S_offsrc[:,YY_ind,0,:]),axis=0)
k+=4
for a in range(0,4*self.file_num):
for b in range(0,freq_num):
# print self.d[a,b]
if self.d[a,b] > 1000 :
self.d[a,b] = 1000
#There are 2 parameters for this version p[0] is XX gain and p[1] is YY gain.
p0 = [1,1] # guessed preliminary values
error = sp.ones(4*self.file_num)
#Note that error can be used to weight the equations if not all set to one.
p_val_out = sp.zeros((freq_len, 3))
# p_err_out = sp.zeros((freq_len, 17))
for f in range(0,freq_len):
plsq = leastsq(self.residuals,p0,args=(error,f,freq_val),full_output=0, maxfev=5000)
pval = plsq[0] # this is the 1-d array of results0
p_val_out[f,0] = freq_val[f]
p_val_out[f,1] = pval[0]
p_val_out[f,2] = pval[1]
# sess_num = int(session_nums[0])
# print sess_num
# np.savetxt(output_root+str(sess_num)+'_flux_mueller_matrix_calc'+output_end, p_val_out, delimiter = ' ')
out_path = output_root+sess+'_diff_gain_calc'+output_end
np.savetxt(out_path,p_val_out,delimiter = ' ')
def full_calculation(self, chan_modes_subtract=None, n_poly_subtract=0):
# Some set up.
params = self.params
deconvolve = params['deconvolve']
kiyopy.utils.mkparents(params['output_root'])
parse_ini.write_params(params,
params['output_root'] + 'params.ini',
prefix=prefix)
self.n_time = params["n_time_bins"]
n_files = len(params["file_middles"])
# Loop over files to process.
first_iteration = True
for file_middle in params['file_middles']:
# Get the data.
full_data, mask, this_dt, full_mean = self.get_data(file_middle)
if first_iteration:
self.n_time = full_data.shape[0]
n_chan = full_data.shape[-1]
dt = this_dt
elif not sp.allclose(dt, this_dt, rtol=0.001):
msg = "Files have different time samplings."
raise ce.DataError(msg)
# Subtract out any channel modes passed in.
if not (chan_modes_subtract is None):
for v in chan_modes_subtract:
full_data -= v * sp.sum(v * full_data, -1)[:, None]
# Subtract out polynomials from each channel if desired.
if first_iteration:
# Generate basis polynomials.
basis_poly = sp.empty((n_poly_subtract, self.n_time))
time_scaled = ((sp.arange(self.n_time, dtype=float) * 2 -
self.n_time + 1.0) / self.n_time)
for ii in range(n_poly_subtract):
#tmp_poly = scipy.special.eval_chebyu(ii, time_scaled)
tmp_poly = sp.cos(sp.pi * ii * time_scaled)
tmp_poly *= 1.0 / sp.sqrt(sp.sum(tmp_poly**2))
basis_poly[ii, :] = tmp_poly
# Allocate memory to hold the amplitude spectrum.
poly_spectrum = sp.zeros((n_poly_subtract, n_chan),
dtype=float)
# Fit for the polynomials in each channel.
for ii in range(n_chan):
weighted_poly = basis_poly * mask[:, 0, 0, ii]
poly_corr = sp.sum(full_data[:, 0, 0, ii] * basis_poly[:, :],
-1)
poly_covar = sp.sum(
weighted_poly[:, None, :] * basis_poly[None, :, :], -1)
if n_poly_subtract:
poly_amps = linalg.solve(poly_covar,
poly_corr,
sym_pos=True,
overwrite_a=True,
overwrite_b=True)
poly_spectrum[:, ii] += poly_amps**2
# Calculate the raw power spectrum.
power_mat, window_function = calculate_full_power_mat(
full_data, mask, deconvolve=deconvolve)
# Get rid of the extra cal and polarization axes.
power_mat = power_mat[:, 0, 0, :, :]
window_function = window_function[:, 0, 0, :, :]
full_mean = full_mean[0, 0, :]
# TODO: Figure out a better way to deal with this (only drop
# affected frequencies).
#if sp.any(sp.allclose(mask[:,0,0,:], 0.0, 0)):
# n_files -= 1
# continue
# Format the power spectrum.
power_mat = prune_power(power_mat, 0)
power_mat = make_power_physical_units(power_mat, this_dt)
# TODO In the future the thermal expectation could include
# polarization factors (be 'I' aware) and cal factors.
thermal_expectation = (full_mean / sp.sqrt(this_dt) /
sp.sqrt(abs(self.chan_width)) /
sp.sqrt(1.0 / 2.0 / this_dt))
if params['norm_to_thermal']:
power_mat /= (thermal_expectation[:, None] *
thermal_expectation[None, :])
# Combine across files.
if first_iteration:
total_power_mat = power_mat
total_thermal_expectation = thermal_expectation
else:
total_power_mat += power_mat
total_thermal_expectation += thermal_expectation
first_iteration = False
if not hasattr(self, 'frequency'):
self.frequency = ps_freq_axis(dt, self.n_time)
if n_files > 0:
total_power_mat /= n_files
total_thermal_expectation / n_files
poly_spectrum /= n_files
if n_poly_subtract:
return total_power_mat, total_thermal_expectation, poly_spectrum
else:
return total_power_mat, total_thermal_expectation
def execute(self, nprocesses=1):
params = self.params
kiyopy.utils.mkparents(params['output_root'])
parse_ini.write_params(params,
params['output_root'] + 'params.ini',
prefix=prefix)
guppi_result = params['Guppi_test']
output_root = params['output_root']
output_end = params['output_end']
self.file_num = len(
params['file_middles']
) # getting a variable for number of calibrator files being used
# Need to remove count for calibrator files that are not the right size.
session_nums = sp.zeros(self.file_num)
c = 0
for file_middle in params['file_middles']:
input_fname = (params['input_root'] + file_middle +
params['input_end'])
Reader = core.fitsGBT.Reader(input_fname)
n_scans = len(Reader.scan_set)
Len_set = Reader.read(0, 0, force_tuple=True)
# session_nums[c] = file_middle.split('_')[0]
# print session_nums[c]
for Data in Len_set:
freq_num = Data.dims[
3] # Setting the frequency binning to match whatever it's been set to.
if guppi_result == True:
if n_scans != 2:
self.file_num -= 1
elif guppi_result == False:
if n_scans != 4:
self.file_num -= 1
c += 1
# Need to know the general frequency binning (going to assume that it's 200 for guppi, 260 for spectrometer, aka 1 MHz binning)
# if guppi_result == True :
# freq_num = 200
if guppi_result == False:
# freq_num = 260
self.file_num *= 2 #because there are two sets of scans per file for spectrometer, need to double the number of values
self.function = sp.zeros(
4 * self.file_num
) #setting a variable of the right size for peval to use
self.theta = sp.zeros(
4 * self.file_num
) #setting a variable for parallactic angle in radians
self.d = sp.zeros((4 * self.file_num,
freq_num)) #setting a variable for measured values
# Loop over files to process.
k = 0
for file_middle in params['file_middles']:
input_fname = (params['input_root'] + file_middle +
params['input_end'])
# Read in the data, and loop over data blocks.
Reader = core.fitsGBT.Reader(input_fname)
n_IFs = len(
Reader.IF_set
) # Should be 1 given that we've stitched windows for the spectrometer or by def in guppi
n_scans = len(Reader.scan_set
) #Should be 4 for the spectrometer, 2 for guppi
OnBlocks = Reader.read(range(0, n_scans, 2), 0, force_tuple=True)
OffBlocks = Reader.read(range(1, n_scans, 2), 0, force_tuple=True)
#force_tuple=True makes the ouput of Reader.read a tuple even if thre is only one Block to return.
Blocks = Reader.read(params['scans'],
params['IFs'],
force_tuple=True)
# Setting labels for indices for later
on_ind = 0
off_ind = 1
I_ind = 0
Q_ind = 1
U_ind = 2
V_ind = 3
#Calculating Parallactic angles for the cal file
PA = sp.zeros(n_scans)
m = 0
for Data in Blocks:
freq_len = Data.dims[3]
Data.calc_freq()
freq_val = Data.freq
freq_val = freq_val / 1000000
Data.calc_PA()
PA[m] = ma.mean(Data.PA)
m += 1
# Going to skip the non guppi version for now.
# if guppi_result == False :
# if n_scans == 4 : # To make sure that we don't use incomplete data
# self.theta[k] = 0.5*(PA[0]+PA[1]) # the average between the on and off values
# self.theta[k+1] =0.5*(PA[0]+PA[1])
# self.theta[k+2] = 0.5*(PA[0]+PA[1])
# self.theta[k+3] = 0.5*(PA[2]+PA[3])
# self.theta[k+4] = 0.5*(PA[2]+PA[3])
# self.theta[k+5] = 0.5*(PA[2]+PA[3])
# S_med_on = sp.zeros((2,freq_len,4))
# S_med = sp.zeros((2,freq_len,4))
# i=0
# for Data in OnBlocks :
# S_med_on[i,:,0] = ma.median(Data.data[:,I_ind,off_ind,:],axis=0)
# S_med_on[i,:,1] = ma.median(Data.data[:,Q_ind,off_ind,:],axis=0)
# S_med_on[i,:,2] = ma.median(Data.data[:,U_ind,off_ind,:],axis=0)
# S_med_on[i,:,3] = ma.median(Data.data[:,V_ind,off_ind,:],axis=0)
# i+=1
# j=0
# for Data in OffBlocks :
# S_med[j,:,0] = ma.median(Data.data[:,I_ind,off_ind,:],axis=0)
# S_med[j,:,1] = ma.median(Data.data[:,Q_ind,off_ind,:],axis=0)
# S_med[j,:,2] = ma.median(Data.data[:,U_ind,off_ind,:],axis=0)
# S_med[j,:,3] = ma.median(Data.data[:,V_ind,off_ind,:],axis=0)
# j+=1
# I_onoff_1 = S_med_on[0,:,0]-S_med[0,:,0] # for first set of on and off scans
# I_onoff_2 = S_med_on[1,:,0]-S_med[1,:,0] # for second set of on and off scans
# Setting the measured stokes values for each file (to be used in the least squares fit)
# d[k,:] = (S_med_on[0,:,1]-S_med[0,:,1])/I_onoff_1
# d[k+1,:] = (S_med_on[0,:,2]-S_med[0,:,2])/I_onoff_1
# d[k+2,:] = (S_med_on[0,:,3]-S_med[0,:,3])/I_onoff_1
# d[k+3,:] = (S_med_on[1,:,1]-S_med[1,:,1])/I_onoff_2
# d[k+4,:] = (S_med_on[1,:,2]-S_med[1,:,2])/I_onoff_2
# d[k+5,:] = (S_med_on[1,:,3]-S_med[1,:,3])/I_onoff_2
# k+=6
if guppi_result == True: #This is the same as above only there is a single set of on and off scans in this case.
if n_scans == 2:
self.theta[k] = ma.mean(PA)
self.theta[k + 1] = ma.mean(PA)
self.theta[k + 2] = ma.mean(PA)
self.theta[k + 3] = ma.mean(PA)
S_med_calon_src = sp.zeros((freq_len, 4))
S_med_caloff_src = sp.zeros((freq_len, 4))
S_med_calon = sp.zeros((freq_len, 4))
S_med_caloff = sp.zeros((freq_len, 4))
for Data in OnBlocks:
S_med_caloff_src[:,
0] = ma.median(Data.data[:, I_ind,
off_ind, :],
axis=0)
S_med_caloff_src[:,
1] = ma.median(Data.data[:, Q_ind,
off_ind, :],
axis=0)
S_med_caloff_src[:,
2] = ma.median(Data.data[:, U_ind,
off_ind, :],
axis=0)
S_med_caloff_src[:,
3] = ma.median(Data.data[:, V_ind,
off_ind, :],
axis=0)
S_med_calon_src[:, 0] = ma.median(Data.data[:, I_ind,
on_ind, :],
axis=0)
S_med_calon_src[:, 1] = ma.median(Data.data[:, Q_ind,
on_ind, :],
axis=0)
S_med_calon_src[:, 2] = ma.median(Data.data[:, U_ind,
on_ind, :],
axis=0)
S_med_calon_src[:, 3] = ma.median(Data.data[:, V_ind,
on_ind, :],
axis=0)
for Data in OffBlocks:
S_med_caloff[:, 0] = ma.median(Data.data[:, I_ind,
off_ind, :],
axis=0)
S_med_caloff[:, 1] = ma.median(Data.data[:, Q_ind,
off_ind, :],
axis=0)
S_med_caloff[:, 2] = ma.median(Data.data[:, U_ind,
off_ind, :],
axis=0)
S_med_caloff[:, 3] = ma.median(Data.data[:, V_ind,
off_ind, :],
axis=0)
S_med_calon[:, 0] = ma.median(Data.data[:, I_ind,
on_ind, :],
axis=0)
S_med_calon[:, 1] = ma.median(Data.data[:, Q_ind,
on_ind, :],
axis=0)
S_med_calon[:, 2] = ma.median(Data.data[:, U_ind,
on_ind, :],
axis=0)
S_med_calon[:, 3] = ma.median(Data.data[:, V_ind,
on_ind, :],
axis=0)
self.d[k, :] = 0.5 * (
S_med_calon_src[:, 0] + S_med_caloff_src[:, 0] -
S_med_calon[:, 0] - S_med_caloff[:, 0])
self.d[k + 1, :] = 0.5 * (
S_med_calon_src[:, 1] + S_med_caloff_src[:, 1] -
S_med_calon[:, 1] - S_med_caloff[:, 1])
self.d[k + 2, :] = 0.5 * (
S_med_calon_src[:, 2] + S_med_caloff_src[:, 2] -
S_med_calon[:, 2] - S_med_caloff[:, 2])
self.d[k + 3, :] = 0.5 * (
S_med_calon_src[:, 3] + S_med_caloff_src[:, 3] -
S_med_calon[:, 3] - S_med_caloff[:, 3])
k += 4
for a in range(0, 4 * self.file_num):
for b in range(0, freq_num):
# print self.d[a,b]
if self.d[a, b] > 1000:
self.d[a, b] = 1000
#The seven parameters are in order deltaG[0], alpha[1], psi[2], phi[3], epsilon[4], chi[5], flux[6]=> the parameter vector is p
p0 = [0.3, 90.0, 170.0, 10.0, 0.016, 0.00, 2.0,
0.0] # guessed preliminary values
error = sp.ones(4 * self.file_num)
#Note that error can be used to weight the equations if not all set to one.
p_val_out = sp.zeros((freq_len, 9))
# p_err_out = sp.zeros((freq_len, 17))
for f in range(0, freq_len):
plsq = leastsq(self.residuals,
p0,
args=(error, f, freq_val),
full_output=0,
maxfev=5000)
pval = plsq[0] # this is the 1-d array of results
# perr = plsq[1] # this is a 2d array representing the estimated covariance of the results. - Not working properly.
# Mueller = sp.mat([[pval[0],pval[1],pval[2],pval[3]],[pval[4],pval[5],pval[6],pval[7]],[pval[8],pval[9],pval[10],pval[11]],[pval[12],pval[13],pval[14],pval[15]]])
# Mueller = Mueller.I
# print Mueller
pval[1] = (pval[1] + 180) % 360 - 180
pval[2] = (pval[2] + 180) % 360 - 180
pval[3] = (pval[3] + 180) % 360 - 180
pval[5] = (pval[5] + 180) % 360 - 180
# pval[7]=(pval[7]+180)%360-180
p_val_out[f, 0] = freq_val[f]
p_val_out[f, 1] = pval[0]
p_val_out[f, 2] = pval[1]
p_val_out[f, 3] = pval[2]
p_val_out[f, 4] = pval[3]
p_val_out[f, 5] = pval[4]
p_val_out[f, 6] = pval[5]
p_val_out[f, 7] = pval[6]
# p_val_out[f,8] = pval[7]
# sess_num = int(session_nums[0])
# print sess_num
# np.savetxt(output_root+str(sess_num)+'_flux_mueller_matrix_calc'+output_end, p_val_out, delimiter = ' ')
np.savetxt('mueller_params_calc.txt', p_val_out, delimiter=' ')
def execute(self, nprocesses=1):
params = self.params
boxshape = params['boxshape']
boxunit = params['boxunit']
resultf = params['hr'][0]
if len(params['last']) != 0:
resultf = resultf + params['last'][0]
resultf = resultf + '-' + params['hr'][1]
if len(params['last']) != 0:
resultf = resultf + params['last'][1]
# Make parent directory and write parameter file.
kiyopy.utils.mkparents(params['output_root'])
parse_ini.write_params(params, params['output_root']+'params.ini',prefix='nl_' )
in_root = params['input_root']
out_root = params['output_root']
cambin_root = params['camb_input_root']
all_out_fname_list = []
all_in_fname_list = []
#### Process ####
kiyopy.utils.mkparents(params['output_root'])
PKcamb_fname = cambin_root + 'PKcamb.npy'
PKcamb = algebra.load(PKcamb_fname)
N = len(params['boxunitlist'])
yy = np.ndarray(shape=(N, 10))
xx = np.ndarray(shape=(N, 10))
for params['boxshape'], params['boxunit'], i\
in zip(params['boxshapelist'], params['boxunitlist'], range(N)):
params['plot'] = False
parse_ini.write_params(params,
params['output_root']+'params.ini',prefix='wd_' )
WindowF, k = \
windowf.WindowFunctionMaker(params['output_root']+'params.ini',
feedback=self.feedback).execute()
if yy.shape[1] != WindowF.shape[0]:
yy.resize((N,WindowF.shape[0]))
xx.resize((N,WindowF.shape[0]))
yy[i] = WindowF.copy()
xx[i] = k.copy()
def chisq(A, y, x, e):
err = (y - windowfunction(x, A))**2/e**2
return err
non0 = yy[0].nonzero()
y = yy[0].take(non0)[0][:-10]
x = xx[0].take(non0)[0][:-10]
non0 = yy[-1].nonzero()
y = np.append(y, yy[-1].take(non0)[0][10:-4])
x = np.append(x, xx[-1].take(non0)[0][10:-4])
err = y.copy()*10.
err[5:] = err[5:]*1.e-8
print x.min(), x.max()
ki = np.logspace(log10(0.01), log10(1.5), num=300)
A1 = 1.
A2 = 1.
A3 = 1.8
A0 = np.array([A1, A2, A3])
A, status = leastsq(chisq, A0, args=(y, x, err), maxfev=20000)
window = windowfunction(PKcamb[0], A)
#boxinf = str(boxshape[0])+'x'\
# +str(boxshape[1])+'x'+str(boxshape[2])+'x'+str(boxunit)
sp.save(out_root+'window_fit_'+resultf, window)
CC = 1.
# CC = romberg(lambda k2: K(ki,k2)*k2*k2, PKcamb[0].min(), PKcamb[0].max())
# # CC = romberg(lambda k2: K(ki,k2)*k2*k2, 1.e-10, 1.e10)
print A
aaa = A[1]*1.e-3
bbb = A[2]*1.e-3
if bbb**4<4*aaa**4:
CC = 1./(pi*bbb*(2.-(bbb/aaa)**2)**(0.5))
def g(x):
return atan((bbb**4 + 2.*aaa**2*x**2)/
(bbb**2*(4.*aaa**4-bbb**4)**0.5))
def K(k1, k2):
return CC/(k1*k2)*(g(k1+k2)-g(k1-k2))
else:
mu = bbb**2*(bbb**4-4.*aaa**4)**0.5
CC = aaa/(pi*2**0.5*((bbb**4+mu)**0.5-(bbb**4-mu)**0.5))
def g(x):
return (mu+bbb**4+2*aaa**2*x**2)/(mu-bbb**4-2*aaa**2*x**2)
def K(k1, k2):
return CC/(k1*k2)*log(g(k1-k2)/g(k1+k2))
#def K(k1,k2):
# uplim = k1+k2
# downlim = np.fabs(k1-k2)
# C = 8*pi**2/(k1*k2)*CC
# return C*romberg(lambda Q: windowfunction(Q,A)*Q, downlim, uplim)
# print CC
P = interp1d(PKcamb[0], PKcamb[1], kind='cubic')
#print PKcamb[0].min(), PKcamb[0].max()
Pnl = np.zeros(len(ki))
Pnl_err = np.zeros(len(ki))
for i in range(len(ki)):
#Pnl[i] = romberg(lambda k1: k1**2*P(k1)*K(k1,ki[i]),
Pnl[i], Pnl_err = quad(lambda k1: k1**2*P(k1)*K(k1,ki[i]),
PKcamb[0].min(), PKcamb[0].max(), limit=200)
#Pnl = sp.load(out_root+'nonlPK_'+resultf+'.npy')
CCC = romberg(lambda k1: k1**2*K(k1, 0.01), ki.min(), ki.max())
print CCC
#Pnl = Pnl/CCC
OmegaHI = params['OmegaHI']
Omegam = params['Omegam']
OmegaL = params['OmegaL']
z = params['z']
a3 = (1+z)**(-3)
Tb = 0.3e-3 * (OmegaHI/1.e-3) * ((Omegam + a3*OmegaL)/0.29)**(-0.5)\
* ((1.+z)/2.5)**0.5
#Pnl = Pnl*(Tb**2)
#PKcamb[1] = PKcamb[1]*(Tb**2)
#print Pnl
sp.save(out_root+'nonlPK_'+resultf, Pnl)
sp.save(out_root+'k_nonlPK_'+resultf, ki)
if self.plot==True:
#plt.figure(figsize=(6,6))
##print k
#plt.subplot('111')
##kj = sp.linspace(0,PKcamb[0][-1], num=500)
##KI = np.zeros(500)
##for j in sp.linspace(ki.min(),ki.max(), num=20):
## for i in range(500):
## KI[i] = K(j, kj[i])
## #plt.plot(kj, KI, label=str(ki))
## plt.plot(kj, KI, 'r-', linewidth=1)
#plt.semilogy()
##plt.loglog()
##plt.ylim(ymin=1.e-0)
#plt.xlim(xmin=0, xmax=ki.max())
#plt.title('Coupling Kernels')
#plt.xlabel('$k$')
#plt.ylabel('$K(k, k_i)$')
##plt.legend()
#plt.savefig(out_root+'Ki.eps', format='eps')
plt.figure(figsize=(8,4))
plt.subplot('111')
#plt.plot(PKcamb[0], window, 'b--', linewidth=1,
# label='Fitted Window Function')
plt.plot(PKcamb[0], PKcamb[1], 'g-', linewidth=1,
label='Camb Power Spectrum')
plt.plot(ki, Pnl, 'r-', linewidth=1,
label='Power Spectrum')
plt.loglog()
plt.xlim(xmin=ki.min(), xmax=ki.max())
plt.legend()
plt.savefig(out_root+'nonlPK.eps', format='eps')
plt.show()
#print 'Finished @_@ '
return PKcamb
def execute(self, nprocesses=1):
"""Function that acctually does the work.
The nprocesses parameter does not do anything yet. It is just there
for compatibility with the pipeline manager.
"""
params = self.params
kiyopy.utils.mkparents(params["output_root"])
parse_ini.write_params(params, params["output_root"] + "params.ini", prefix="mm_")
# Rename some commonly used parameters.
map_shape = params["map_shape"]
spacing = params["pixel_spacing"]
algorithm = params["noise_model"]
noise_root = params["noise_parameters_input_root"]
ra_spacing = -spacing / sp.cos(params["field_centre"][1] * sp.pi / 180.0)
if not algorithm in ("grid", "diag_file", "disjoint_scans"):
raise ValueError("Invalid noise model: " + algorithm)
if len(params["IFs"]) != 1:
raise ce.FileParameterTypeError("Can only process a single IF.")
# Set up to iterate over the pol states.
npol = 2 # This will be reset when we read the first data block.
pol_ind = 0
all_file_names = []
while pol_ind < npol:
# Flag for the first block processed (will allowcate memory on the
# first iteration).
first_block = True
# Loop over the files to process.
try:
for file_middle in params["file_middles"]:
input_fname = params["input_root"] + file_middle + params["input_end"]
# Read in the data, and loop over data blocks.
Reader = fitsGBT.Reader(input_fname, feedback=self.feedback)
Blocks = Reader.read(params["scans"], params["IFs"])
# Calculate the time varience at each frequency. This will
# be used as weights in most algorithms.
if not algorithm == "grid":
if not noise_root == "None":
# We have measured variance.
noise_pars = sp.load(noise_root + file_middle + ".npy")
var = noise_pars[params["IFs"][0], pol_ind, 0, :]
else:
# We need to measure the variance.
var = tools.calc_time_var_file(Blocks, pol_ind, 0)
# Convert from masked array to array.
var = var.filled(9999.0)
else:
var = 1.0
weight = 1 / var
for Data in Blocks:
dims = Data.dims
# On first pass set up the map parameters.
if first_block:
shape = map_shape + (dims[-1],)
Data.calc_freq()
centre_freq = Data.freq[dims[-1] // 2]
delta_freq = Data.field["CDELT1"]
if pol_ind == 0:
# Figure out the length of the polarization
# loop.
npol = dims[1]
# Accumulate the data history.
history = hist.History(Data.history)
# Get the current polarization integer.
this_pol = Data.field["CRVAL4"][pol_ind]
# Check that we even want to make a dirty map for
# this polarization.
if (not utils.polint2str(this_pol) in params["polarizations"]) and params["polarizations"]:
# Break to the end of the polarization loop.
raise ce.NextIteration()
# Allowcate memory for the map.
map_data = sp.zeros(shape, dtype=float)
map_data = algebra.make_vect(map_data, axis_names=("ra", "dec", "freq"))
# Allowcate memory for the inverse map noise.
if algorithm in ("grid", "diag_file"):
noise_inv = sp.zeros(shape, dtype=float)
noise_inv = algebra.make_mat(
noise_inv, axis_names=("ra", "dec", "freq"), row_axes=(0, 1, 2), col_axes=(0, 1, 2)
)
elif algorithm in ("disjoint_scans", "ds_grad"):
# At each frequency use full N^2 noise matrix,
# but assume each frequency has uncorrelated
# noise. This is a big matrix so make sure it
# is reasonable.
size = shape[0] ^ 2 * shape[1] ^ 2 * shape[2]
if size > 4e9: # 16 GB
raise RunTimeError("Map size too big. " "Asked for a lot " "of memory.")
noise_inv = sp.zeros(shape[0:2] + shape, dtype=sp.float32)
noise_inv = algebra.make_mat(
noise_inv,
axis_names=("ra", "dec", "ra", "dec", "freq"),
row_axes=(0, 1, 4),
col_axes=(2, 3, 4),
)
# Allowcate memory for temporary data. Hold the
# number of times each pixel in this scan is
# hit. Factor of 2 longer in time in case some
# scans are longer than first block (guppi).
pixel_hits = sp.empty((2 * dims[0], dims[-1]))
first_block = False
else:
if pol_ind == 0:
history.merge(Data)
# Figure out the pointing pixel index and the frequency
# indicies.
Data.calc_pointing()
ra_inds = tools.calc_inds(Data.ra, params["field_centre"][0], shape[0], ra_spacing)
dec_inds = tools.calc_inds(
Data.dec, params["field_centre"][1], shape[1], params["pixel_spacing"]
)
data = Data.data[:, pol_ind, 0, :]
if algorithm in ("grid", "diag_file"):
add_data_2_map(data, ra_inds, dec_inds, map_data, noise_inv, weight)
elif algorithm in ("disjoint_scans",):
add_data_2_map(data - ma.mean(data, 0), ra_inds, dec_inds, map_data, None, weight)
pixel_hits[:] = 0
pixel_list = pixel_counts(data, ra_inds, dec_inds, pixel_hits, map_shape=shape[0:2])
add_scan_noise(pixel_list, pixel_hits, var, noise_inv)
# End Blocks for loop.
# End file name for loop.
# Now write the dirty maps out for this polarization.
# Use memmaps for this since we want to reorganize data
# and write at the same time.
# New maps will have the frequency axis as slowly varying, for
# future efficiency.
map_file_name = params["output_root"] + "dirty_map_" + utils.polint2str(this_pol) + ".npy"
mfile = algebra.open_memmap(map_file_name, mode="w+", shape=(shape[2],) + shape[:2])
map_mem = algebra.make_vect(mfile, axis_names=("freq", "ra", "dec"))
# And the noise matrix.
noise_file_name = params["output_root"] + "noise_inv_" + utils.polint2str(this_pol) + ".npy"
if algorithm in ("disjoint_scans", "ds_grad"):
mfile = algebra.open_memmap(noise_file_name, mode="w+", shape=(shape[2],) + shape[:2] * 2)
noise_mem = algebra.make_mat(
mfile, axis_names=("freq", "ra", "dec", "ra", "dec"), row_axes=(0, 1, 2), col_axes=(0, 3, 4)
)
else:
mfile = algebra.open_memmap(noise_file_name, mode="w+", shape=(shape[2],) + shape[:2])
noise_mem = algebra.make_mat(
mfile, axis_names=("freq", "ra", "dec"), row_axes=(0, 1, 2), col_axes=(0, 1, 2)
)
# Give the data arrays axis information.
map_mem.set_axis_info("freq", centre_freq, delta_freq)
map_mem.set_axis_info("ra", params["field_centre"][0], ra_spacing)
map_mem.set_axis_info("dec", params["field_centre"][1], params["pixel_spacing"])
noise_mem.set_axis_info("freq", centre_freq, delta_freq)
noise_mem.set_axis_info("ra", params["field_centre"][0], ra_spacing)
noise_mem.set_axis_info("dec", params["field_centre"][1], params["pixel_spacing"])
# Copy the data to the memory maps after rearranging.
# The roll_axis should return a view, so this should
# be memory efficient.
map_mem[...] = sp.rollaxis(map_data, -1)
noise_mem[...] = sp.rollaxis(noise_inv, -1)
# Free up all that memory and flush memory maps to file.
del mfile, map_mem, noise_mem, map_data, noise_inv
# Save the file names for the history.
all_file_names.append(kiyopy.utils.abbreviate_file_path(map_file_name))
all_file_names.append(kiyopy.utils.abbreviate_file_path(noise_file_name))
except ce.NextIteration:
pass
pol_ind += 1
# End polarization for loop.
history.add("Made dirty map.", all_file_names)
h_file_name = params["output_root"] + "history.hist"
history.write(h_file_name)
def execute(self, nprocesses=1):
comm = MPI.COMM_WORLD
rank = comm.Get_rank()
size = comm.Get_size()
params = self.params
resultf = params['hr'][0]
if len(params['last']) != 0:
resultf = resultf + params['last'][0]
resultf = resultf + '-' + params['hr'][1]
if len(params['last']) != 0:
resultf = resultf + params['last'][1]
# Make parent directory and write parameter file.
parse_ini.write_params(params, params['output_root']+'params.ini',prefix='pk_')
in_root = params['input_root']
out_root = params['output_root']
mid = params['mid']
FKPweight = params['FKPweight']
n_processes = params['processes']
#### Process ####
n_new = n_processes - 1
n_map = params['jknumber']
kbn = params['kbinNum']
PK = np.zeros(shape=(n_map,kbn))
self.q = mp.JoinableQueue()
if n_new <= 0:
for ii in range(n_map):
self.process_map(ii, PK[ii])
elif n_new > 32:
raise ValueError('Process limit is 32')
else:
process_list = range(n_new)
for ii in xrange(n_map + n_new):
if ii >= n_new:
PK[ii-n_new] = self.q.get()
process_list[ii%n_new].join()
if process_list[ii%n_new].exitcode != 0:
raise RuntimeError("A thred faild with exit code"
+ str(process_list[ii%n_new].exitcode))
if ii < n_map:
process_list[ii%n_new] = mp.Process(
target=self.process_map,
args=(ii, ii%n_new))
process_list[ii%n_new].start()
if FKPweight:
sp.save(params['output_root']+\
'PKjk_fkp_' + resultf, PK)
else:
sp.save(params['output_root']+'PKjk_' + resultf, PK)
#PKmean = sp.load(params['input_root'] + 'PK.npy')
PKmean = PK.mean(axis=0)
PK[:] = (PK[:]-PKmean)**2
PKvar = np.sum(PK, axis=0)
PKvar = PKvar*(params['jknumber']-1)/params['jknumber']
PKvar = np.sqrt(PKvar)
print PKvar
if FKPweight:
sp.save(params['output_root']+\
'PKvar_fkp_' + resultf, PKvar)
else:
sp.save(params['output_root']+\
'PKvar_' + resultf, PKvar)
def spectrum_arithmetic(inifile, outdir="./plots/"):
r"""Perform the operations"""
params_init = {
"pwr_a_ini": None,
"pwr_b_ini": None,
"pwr_c_ini": None,
"pwr_d_ini": None,
"mul_a": "1.",
"mul_b": "1.",
"mul_c": "1.",
"mul_d": "1.",
"output_tag": "tag identifying the output somehow"
}
prefix = "sa_"
params = parse_ini.parse(inifile, params_init, prefix=prefix)
print params
output_root = "%s/%s/" % (outdir, params["output_tag"])
print output_root
file_tools.mkparents(output_root)
parse_ini.write_params(params, output_root + 'params.ini', prefix=prefix)
if not params["pwr_a_ini"]:
print "ERROR: at least spectrum A must be given (and C for ratios)"
return
pwr_a_all = cp.wrap_batch_gbtpwrspec_data_run(params["pwr_a_ini"],
generate=False,
outdir=outdir)
if params['pwr_b_ini']:
pwr_b_all = cp.wrap_batch_gbtpwrspec_data_run(params["pwr_b_ini"],
generate=False,
outdir=outdir)
if params['pwr_c_ini']:
pwr_c_all = cp.wrap_batch_gbtpwrspec_data_run(params["pwr_c_ini"],
generate=False,
outdir=outdir)
if params['pwr_d_ini']:
pwr_d_all = cp.wrap_batch_gbtpwrspec_data_run(params["pwr_d_ini"],
generate=False,
outdir=outdir)
for treatment in pwr_a_all:
pwr_a = pwr_a_all[treatment]
pwr_a = mul_pwrspec(pwr_a, params['mul_a'])
pwr_numerator = copy.deepcopy(pwr_a)
if params['pwr_b_ini']:
pwr_b = pwr_b_all[treatment]
pwr_b = mul_pwrspec(pwr_b, params['mul_b'])
pwr_numerator = add_pwrspec(pwr_numerator, pwr_b)
if params['pwr_c_ini']:
pwr_c = pwr_c_all[treatment]
pwr_c = mul_pwrspec(pwr_c, params['mul_c'])
pwr_denominator = copy.deepcopy(pwr_c)
if params['pwr_d_ini']:
pwr_d = pwr_d_all[treatment]
pwr_d = mul_pwrspec(pwr_d, params['mul_d'])
pwr_denominator = add_pwrspec(pwr_denominator, pwr_d)
pwr_final = divide_pwrspec(pwr_numerator, pwr_denominator)
else:
pwr_final = pwr_numerator
filename = "%s/%s_%s.dat" % (output_root, params['output_tag'],
treatment)
outfile = open(filename, "w")
for specdata in zip(pwr_final['bin_left'], pwr_final['bin_center'],
pwr_final['bin_right'], pwr_final['counts_histo'],
pwr_final['mean_1d'], pwr_final['std_1d']):
outfile.write(("%10.15g " * 6 + "\n") % specdata)
outfile.close()
'output_root': '',
'sim_physical_key': '',
'sim_key': '',
'sim_beam_key': '',
'sim_beam_plus_fg_key': '',
'sim_beam_plus_data_key': '',
'sim_delta_key': '',
'sim_beam_meansub_key': '',
'sim_beam_conv_key': '',
'sim_beam_meansubconv_key': '',
'template_key': '',
'weight_key': '',
'pwrspec_scenario': '',
'refinement': 2,
'omega_HI': ''
}
prefix = 'sg_'
if __name__ == '__main__':
params = parse_ini.parse(str(sys.argv[1]), params_init, prefix=prefix)
print params
datapath_db = data_paths.DataPath()
output_root = datapath_db.fetch(params['output_root'])
file_tools.mkparents(output_root)
parse_ini.write_params(params, output_root + 'params.ini', prefix=prefix)
generate_sim(params, parallel=True, datapath_db=datapath_db)
generate_aux_simset(params, datapath_db=datapath_db)
def execute(self):
'''Clean the maps of foregrounds, save the results, and get the
autocorrelation.'''
params = self.params
freq_list = sp.array(params['freq_list'], dtype=int)
lags = sp.array(params['lags'])
# Write parameter file.
kiyopy.utils.mkparents(params['output_root'])
parse_ini.write_params(params,
params['output_root'] + 'params.ini',
prefix=prefix)
# Get the map data from file as well as the noise inverse.
if len(params['file_middles']) == 1:
fmid_name = params['file_middles'][0]
params['file_middles'] = (fmid_name, fmid_name)
if len(params['file_middles']) >= 2:
# Deal with multiple files.
num_maps = len(params['file_middles'])
maps = []
noise_invs = []
# Load all maps and noises once.
for map_index in range(0, num_maps):
map_file = (params['input_root'] +
params['file_middles'][map_index] +
params['input_end_map'])
print "Loading map %d of %d." % (map_index + 1, num_maps)
map_in = algebra.make_vect(algebra.load(map_file))
maps.append(map_in)
if not params["no_weights"]:
noise_file = (params['input_root'] +
params['file_middles'][map_index] +
params['input_end_noise'])
print "Loading noise %d of %d." % (map_index + 1, num_maps)
noise_inv = algebra.make_mat(
algebra.open_memmap(noise_file, mode='r'))
noise_inv = noise_inv.mat_diag()
else:
noise_inv = algebra.ones_like(map_in)
noise_invs.append(noise_inv)
pairs = []
# Make pairs with deepcopies to not make mutability mistakes.
for map1_index in range(0, num_maps):
for map2_index in range(0, num_maps):
if (map2_index > map1_index):
map1 = copy.deepcopy(maps[map1_index])
map2 = copy.deepcopy(maps[map2_index])
noise_inv1 = copy.deepcopy(noise_invs[map1_index])
noise_inv2 = copy.deepcopy(noise_invs[map2_index])
pair = map_pair.MapPair(map1, map2, noise_inv1,
noise_inv2, freq_list)
pair.lags = lags
pair.params = params
# Keep track of the names of maps in pairs so
# it knows what to save later.
pair.set_names(params['file_middles'][map1_index],
params['file_middles'][map2_index])
pairs.append(pair)
num_map_pairs = len(pairs)
print "%d map pairs created from %d maps." % (len(pairs), num_maps)
# Hold a reference in self.
self.pairs = pairs
# Get maps/ noise inv ready for running.
if params["convolve"]:
for pair in pairs:
pair.degrade_resolution()
if params['factorizable_noise']:
for pair in pairs:
pair.make_noise_factorizable()
if params['sub_weighted_mean']:
for pair in pairs:
pair.subtract_weighted_mean()
self.pairs = pairs
# Since correlating takes so long, if you already have the svds
# you can skip this first correlation [since that's all it's really
# for and it is the same no matter how many modes you want].
# Note: map_pairs will not have anything saved in 'fore_corr' if you
# skip this correlation.
if not params['skip_fore_corr']:
# Correlate the maps with multiprocessing. Note that the
# correlations are saved to file separately then loaded in
# together because that's (one way) how multiprocessing works.
fore_pairs = []
processes_list = []
for pair_index in range(0, num_map_pairs):
# Calls 1 multiproc (which governs the correlating) for each
# pair on a new CPU so you can have all pairs working at once.
multi = multiprocessing.Process(target=multiproc,
args=([
pairs[pair_index],
params['output_root'],
pair_index, False
]))
processes_list.append(multi)
multi.start()
# Waits for all correlations to finish before continuing.
while True in [multi.is_alive() for multi in processes_list]:
print "processing"
time.sleep(5)
# just to be safe
time.sleep(1)
# more concise call, but multiprocessing does not behave well with
# complex objects...........
#runlist = [(pair_index,
# params['output_root'],
# False) for
# pair_index in range(0, num_map_pairs)]
#pool = multiprocessing.Pool(processes=multiprocessing.cpu_count())
#pool.map(self.multiproc, runlist)
# Load the correlations and save them to each pair. The pairs that
# got passed to multiproc are not the same ones as ones in
# self.pairs, so this must be done to have actual values.
print "Loading map pairs back into program."
file_name = params['output_root']
file_name += "map_pair_for_freq_slices_fore_corr_"
for count in range(0, num_map_pairs):
print "Loading correlation for pair %d" % (count)
pickle_handle = open(file_name + str(count) + ".pkl", "r")
correlate_results = cPickle.load(pickle_handle)
pairs[count].fore_corr = correlate_results[0]
pairs[count].fore_counts = correlate_results[1]
fore_pairs.append(pairs[count])
pickle_handle.close()
self.fore_pairs = copy.deepcopy(fore_pairs)
# With this, you do not need fore_pairs anymore.
self.pairs = copy.deepcopy(fore_pairs)
pairs = self.pairs
# Get foregrounds.
# svd_info_list keeps track of all of the modes of all maps in
# all pairs. This means if you want to subract a different number
# of modes for the same maps/noises/frequencies, you have the modes
# already saved and do not need to run the first correlation again.
svd_info_list = []
for pair in pairs:
vals, modes1, modes2 = cf.get_freq_svd_modes(
pair.fore_corr, len(freq_list))
pair.vals = vals
# Save ALL of the modes for reference.
pair.all_modes1 = modes1
pair.all_modes2 = modes2
svd_info = (vals, modes1, modes2)
svd_info_list.append(svd_info)
# Save only the modes you want to subtract.
n_modes = params['modes']
pair.modes1 = modes1[:n_modes]
pair.modes2 = modes2[:n_modes]
self.svd_info_list = svd_info_list
self.pairs = pairs
if params['save_svd_info']:
ft.save_pickle(self.svd_info_list, params['svd_file'])
else:
# The first correlation and svd has been skipped.
# This means you already have the modes so you can just load
# them from file.
self.svd_info_list = ft.load_pickle(params['svd_file'])
# Set the svd info to the pairs.
for i in range(0, len(pairs)):
svd_info = self.svd_info_list[i]
pairs[i].vals = svd_info[0]
pairs[i].all_modes1 = svd_info[1]
pairs[i].all_modes2 = svd_info[2]
n_modes = params['modes']
pairs[i].modes1 = svd_info[1][:n_modes]
pairs[i].modes2 = svd_info[2][:n_modes]
self.pairs = pairs
# Subtract foregrounds.
for pair_index in range(0, len(pairs)):
pairs[pair_index].subtract_frequency_modes(
pairs[pair_index].modes1, pairs[pair_index].modes2)
# Save cleaned clean maps, cleaned noises, and modes.
self.save_data(save_maps=params['save_maps'],
save_noises=params['save_noises'],
save_modes=params['save_modes'])
# Finish if this was just first pass.
if params['first_pass_only']:
self.pairs = pairs
return
# Correlate the cleaned maps.
# Here we could calculate the power spectrum instead eventually.
temp_pair_list = []
processes_list = []
for pair_index in range(0, num_map_pairs):
multi = multiprocessing.Process(target=multiproc,
args=([
pairs[pair_index],
params['output_root'],
pair_index, True
]))
processes_list.append(multi)
multi.start()
while True in [multi.is_alive() for multi in processes_list]:
print "processing"
time.sleep(5)
# just to be safe
time.sleep(1)
# ugh, would really rathter use implementation below except multiprocessing
# does not behave.................
#runlist = [(pairs[pair_index],
# params['output_root'],
# pair_index, True) for
# pair_index in range(0, num_map_pairs)]
#pool = multiprocessing.Pool(processes=multiprocessing.cpu_count())
#pool.map(multiproc, runlist)
print "Loading map pairs back into program."
file_name = params['output_root']
file_name += "map_pair_for_freq_slices_corr_"
for count in range(0, num_map_pairs):
print "Loading correlation for pair %d" % (count)
pickle_handle = open(file_name + str(count) + ".pkl", "r")
correlate_results = cPickle.load(pickle_handle)
pairs[count].corr = correlate_results[0]
pairs[count].counts = correlate_results[1]
temp_pair_list.append(pairs[count])
pickle_handle.close()
self.pairs = copy.deepcopy(temp_pair_list)
# Get the average correlation and its standard deviation.
corr_list = []
for pair in self.pairs:
corr_list.append(pair.corr)
self.corr_final, self.corr_std = cf.get_corr_and_std_3d(corr_list)
if params['pickle_slices']:
ft.save_pickle(self, self.params['output_root'] + \
'New_Slices_object.pkl')
return
def execute(self, nprocesses=1) :
params = self.params
kiyopy.utils.mkparents(params['output_root'])
parse_ini.write_params(params, params['output_root'] + 'params.ini',
prefix=prefix)
guppi_result = params['Guppi_test']
output_root = params['output_root']
output_end = params['output_end']
self.file_num = len(params['file_middles']) # getting a variable for number of calibrator files being used
# Need to remove count for calibrator files that are not the right size.
session_nums = sp.zeros(self.file_num)
c = 0
for file_middle in params['file_middles'] :
input_fname = (params['input_root'] + file_middle +
params['input_end'])
Reader = core.fitsGBT.Reader(input_fname)
n_scans = len(Reader.scan_set)
Len_set = Reader.read(0,0,force_tuple=True)
session_nums[c] = file_middle.split('_')[0]
# print session_nums[c]
for Data in Len_set :
freq_num = Data.dims[3] # Setting the frequency binning to match whatever it's been set to.
if guppi_result == True :
if n_scans != 2 :
self.file_num -=1
elif guppi_result == False :
if n_scans != 4 :
self.file_num -=1
c+=1
# Need to know the general frequency binning (going to assume that it's 200 for guppi, 260 for spectrometer, aka 1 MHz binning)
# if guppi_result == True :
# freq_num = 200
if guppi_result == False :
# freq_num = 260
self.file_num *= 2 #because there are two sets of scans per file for spectrometer, need to double the number of values
self.function = sp.zeros(4*self.file_num) #setting a variable of the right size for peval to use
self.theta = sp.zeros(4*self.file_num) #setting a variable for parallactic angle in radians
self.d = sp.zeros((4*self.file_num,freq_num)) #setting a variable for measured values
# Loop over files to process.
k=0
for file_middle in params['file_middles'] :
input_fname = (params['input_root'] + file_middle +
params['input_end'])
# Read in the data, and loop over data blocks.
Reader = core.fitsGBT.Reader(input_fname)
n_IFs = len(Reader.IF_set) # Should be 1 given that we've stitched windows for the spectrometer or by def in guppi
n_scans = len(Reader.scan_set) #Should be 4 for the spectrometer, 2 for guppi
OnBlocks = Reader.read(range(0,n_scans,2),0,force_tuple=True)
OffBlocks = Reader.read(range(1,n_scans,2),0,force_tuple=True)
#force_tuple=True makes the ouput of Reader.read a tuple even if thre is only one Block to return.
Blocks = Reader.read(params['scans'], params['IFs'],
force_tuple=True)
# Setting labels for indices for later
on_ind = 0
off_ind = 1
I_ind = 0
Q_ind = 1
U_ind = 2
V_ind = 3
#Calculating Parallactic angles for the cal file
PA = sp.zeros(n_scans)
m = 0
for Data in Blocks:
freq_len = Data.dims[3]
Data.calc_freq()
freq_val = Data.freq
freq_val = freq_val/1000000
Data.calc_PA()
PA[m] = ma.mean(Data.PA)
m+=1
# Going to skip the non guppi version for now.
# if guppi_result == False :
# if n_scans == 4 : # To make sure that we don't use incomplete data
# self.theta[k] = 0.5*(PA[0]+PA[1]) # the average between the on and off values
# self.theta[k+1] =0.5*(PA[0]+PA[1])
# self.theta[k+2] = 0.5*(PA[0]+PA[1])
# self.theta[k+3] = 0.5*(PA[2]+PA[3])
# self.theta[k+4] = 0.5*(PA[2]+PA[3])
# self.theta[k+5] = 0.5*(PA[2]+PA[3])
# S_med_on = sp.zeros((2,freq_len,4))
# S_med = sp.zeros((2,freq_len,4))
# i=0
# for Data in OnBlocks :
# S_med_on[i,:,0] = ma.median(Data.data[:,I_ind,off_ind,:],axis=0)
# S_med_on[i,:,1] = ma.median(Data.data[:,Q_ind,off_ind,:],axis=0)
# S_med_on[i,:,2] = ma.median(Data.data[:,U_ind,off_ind,:],axis=0)
# S_med_on[i,:,3] = ma.median(Data.data[:,V_ind,off_ind,:],axis=0)
# i+=1
# j=0
# for Data in OffBlocks :
# S_med[j,:,0] = ma.median(Data.data[:,I_ind,off_ind,:],axis=0)
# S_med[j,:,1] = ma.median(Data.data[:,Q_ind,off_ind,:],axis=0)
# S_med[j,:,2] = ma.median(Data.data[:,U_ind,off_ind,:],axis=0)
# S_med[j,:,3] = ma.median(Data.data[:,V_ind,off_ind,:],axis=0)
# j+=1
# I_onoff_1 = S_med_on[0,:,0]-S_med[0,:,0] # for first set of on and off scans
# I_onoff_2 = S_med_on[1,:,0]-S_med[1,:,0] # for second set of on and off scans
# Setting the measured stokes values for each file (to be used in the least squares fit)
# d[k,:] = (S_med_on[0,:,1]-S_med[0,:,1])/I_onoff_1
# d[k+1,:] = (S_med_on[0,:,2]-S_med[0,:,2])/I_onoff_1
# d[k+2,:] = (S_med_on[0,:,3]-S_med[0,:,3])/I_onoff_1
# d[k+3,:] = (S_med_on[1,:,1]-S_med[1,:,1])/I_onoff_2
# d[k+4,:] = (S_med_on[1,:,2]-S_med[1,:,2])/I_onoff_2
# d[k+5,:] = (S_med_on[1,:,3]-S_med[1,:,3])/I_onoff_2
# k+=6
if guppi_result == True : #This is the same as above only there is a single set of on and off scans in this case.
if n_scans == 2 :
self.theta[k] = ma.mean(PA)
self.theta[k+1] = ma.mean(PA)
self.theta[k+2] = ma.mean(PA)
self.theta[k+3] = ma.mean(PA)
S_med_calon_src = sp.zeros((freq_len,4))
S_med_caloff_src = sp.zeros((freq_len,4))
S_med_calon = sp.zeros((freq_len,4))
S_med_caloff = sp.zeros((freq_len,4))
for Data in OnBlocks:
S_med_caloff_src[:,0] = ma.median(Data.data[:,I_ind,off_ind,:],axis=0)
S_med_caloff_src[:,1] = ma.median(Data.data[:,Q_ind,off_ind,:],axis=0)
S_med_caloff_src[:,2] = ma.median(Data.data[:,U_ind,off_ind,:],axis=0)
S_med_caloff_src[:,3] = ma.median(Data.data[:,V_ind,off_ind,:],axis=0)
S_med_calon_src[:,0] = ma.median(Data.data[:,I_ind,on_ind,:],axis=0)
S_med_calon_src[:,1] = ma.median(Data.data[:,Q_ind,on_ind,:],axis=0)
S_med_calon_src[:,2] = ma.median(Data.data[:,U_ind,on_ind,:],axis=0)
S_med_calon_src[:,3] = ma.median(Data.data[:,V_ind,on_ind,:],axis=0)
for Data in OffBlocks:
S_med_caloff[:,0] = ma.median(Data.data[:,I_ind,off_ind,:],axis=0)
S_med_caloff[:,1] = ma.median(Data.data[:,Q_ind,off_ind,:],axis=0)
S_med_caloff[:,2] = ma.median(Data.data[:,U_ind,off_ind,:],axis=0)
S_med_caloff[:,3] = ma.median(Data.data[:,V_ind,off_ind,:],axis=0)
S_med_calon[:,0] = ma.median(Data.data[:,I_ind,on_ind,:],axis=0)
S_med_calon[:,1] = ma.median(Data.data[:,Q_ind,on_ind,:],axis=0)
S_med_calon[:,2] = ma.median(Data.data[:,U_ind,on_ind,:],axis=0)
S_med_calon[:,3] = ma.median(Data.data[:,V_ind,on_ind,:],axis=0)
self.d[k,:] = 0.5*(S_med_calon_src[:,0]+S_med_caloff_src[:,0]-S_med_calon[:,0]-S_med_caloff[:,0])
self.d[k+1,:] = 0.5*(S_med_calon_src[:,1]+S_med_caloff_src[:,1]-S_med_calon[:,1]-S_med_caloff[:,1])
self.d[k+2,:] = 0.5*(S_med_calon_src[:,2]+S_med_caloff_src[:,2]-S_med_calon[:,2]-S_med_caloff[:,2])
self.d[k+3,:] = 0.5*(S_med_calon_src[:,3]+S_med_caloff_src[:,3]-S_med_calon[:,3]-S_med_caloff[:,3])
k+=4
for a in range(0,4*self.file_num):
for b in range(0,freq_num):
# print self.d[a,b]
if self.d[a,b] > 1000 :
self.d[a,b] = 1000
#The seven parameters are in order deltaG[0], alpha[1], psi[2], phi[3], epsilon[4], Qsrc[5], Usrc[6] chi[7] => the parameter vector is p
p0 = [1.0, 0.1, 0.1, 0.1, 0.1, 1.0, 0.1, 0.1, 0.1, 0.1, 1.0, 0.1, 0.1, 0.1, 0.1, 1.0] # guessed preliminary values
error = sp.ones(4*self.file_num)
#Note that error can be used to weight the equations if not all set to one.
p_val_out = sp.zeros((freq_len, 17))
# p_err_out = sp.zeros((freq_len, 17))
for f in range(0,freq_len):
plsq = leastsq(self.residuals,p0,args=(error,f,freq_val),full_output=0, maxfev=5000)
pval = plsq[0] # this is the 1-d array of results
# perr = plsq[1] # this is a 2d array representing the estimated covariance of the results. - Not working properly.
Mueller = sp.mat([[pval[0],pval[1],pval[2],pval[3]],[pval[4],pval[5],pval[6],pval[7]],[pval[8],pval[9],pval[10],pval[11]],[pval[12],pval[13],pval[14],pval[15]]])
# Mueller = Mueller.I
# print Mueller
p_val_out[f,0] = freq_val[f]
p_val_out[f,1] = Mueller[0,0]
p_val_out[f,2] = Mueller[0,1]
p_val_out[f,3] = Mueller[0,2]
p_val_out[f,4] = Mueller[0,3]
p_val_out[f,5] = Mueller[1,0]
p_val_out[f,6] = Mueller[1,1]
p_val_out[f,7] = Mueller[1,2]
p_val_out[f,8] = Mueller[1,3]
p_val_out[f,9] = Mueller[2,0]
p_val_out[f,10] = Mueller[2,1]
p_val_out[f,11] = Mueller[2,2]
p_val_out[f,12] = Mueller[2,3]
p_val_out[f,13] = Mueller[3,0]
p_val_out[f,14] = Mueller[3,1]
p_val_out[f,15] = Mueller[3,2]
p_val_out[f,16] = Mueller[3,3]
sess_num = int(session_nums[0])
print sess_num
np.savetxt(output_root+str(sess_num)+'_flux_mueller_matrix_calc'+output_end, p_val_out, delimiter = ' ')
def execute(self, nprocesses=1) :
params = self.params
kiyopy.utils.mkparents(params['output_root'] +
params['output_filename'])
parse_ini.write_params(params, params['output_root'] + 'params.ini',
prefix=prefix)
file_middles = params['file_middles']
# Store the correlation and normalization session by session in a
# dictionary.
corr_dict = {}
norm_dict = {}
# Also store the frequency axis.
freq_dict = {}
# Finally, a gain dictionary.
gain_dict = {}
# Loop though all the files and accumulate the correlation and the
# normalization. Files in the same session are summed together.
n_new = nprocesses-1 # How many new processes to spawn at once.
n_files = len(file_middles)
if n_new > 0:
# Multiprocessed version.
process_list = range(n_new)
pipe_list = range(n_new)
for ii in xrange(n_files + n_new) :
if ii >= n_new :
# First end a process before starting a new one.
key, corr, norm, freq = pipe_list[ii%n_new].recv()
if corr_dict.has_key(key):
if corr_dict[key].shape != corr.shape:
msg = ("All data needs to have the same band and"
"polarization structure.")
raise ce.DataError(msg)
corr_dict[key] += corr
norm_dict[key] += norm
if not np.allclose(freq_dict[key], freq):
raise ce.DataError("Frequency structure not "
"consistant.")
else:
corr_dict[key] = corr
norm_dict[key] = norm
freq_dict[key] = freq
if ii < n_files :
# Start a new process.
Here, Far = mp.Pipe()
pipe_list[ii%n_new] = Here
process_list[ii%n_new] = mp.Process(
target=self.process_file, args=(file_middles[ii], Far))
process_list[ii%n_new].start()
else:
# Single process.
for middle in file_middles:
key, corr, norm, freq = self.process_file(middle)
if corr_dict.has_key(key):
if corr_dict[key].shape != corr.shape:
msg = ("All data needs to have the same band and"
"polarization structure.")
raise ce.DataError(msg)
corr_dict[key] += corr
norm_dict[key] += norm
if not np.allclose(freq_dict[key], freq):
raise ce.DataError("Frequency structure not consistant.")
else:
corr_dict[key] = corr
norm_dict[key] = norm
freq_dict[key] = freq
# Now that we have the correlation summed for all files in each
# session, normalize it and store it as an output.
output_fname = params['output_root'] + params["output_filename"]
out_db = shelve.open(output_fname)
# Loop through all the data divisions and processes them one at a
# time.
for key in corr_dict.iterkeys():
corr = corr_dict[key]
norm = norm_dict[key]
# Normalize.
corr[norm==0] = 1
norm[norm==0] = 1
gains = corr / norm
gain_dict[key] = gains
#plt.figure()
#if params['diff_gain_cal_only']:
# plt.plot(freq_dict[key][0,:],
# (gains[0,0,0,:] + gains[0,0,1,:])/2., '.')
# plt.plot(freq_dict[key][0,:],
# (gains[0,3,0,:] + gains[0,3,1,:])/2., '.')
#else:
# plt.plot(freq_dict[key][0,:], gains[0,0,0,:], '.')
#plt.title(key)
#plt.xlabel('Frequency (Hz)')
#plt.ylabel('Correlation amplitude')
out_db[key + '.gains'] = gains
out_db[key + '.freq'] = freq_dict[key]
#if not params['diff_gain_cal_only']:
# plt.show()
out_db.close()
#### Apply the calibration to the data. ####
for middle in file_middles:
key = get_key(middle)
gain = gain_dict[key]
freq = freq_dict[key]
self.calibrate_file(middle, gain, freq)
def execute(self, nprocesses=1):
params = self.params
kiyopy.utils.mkparents(params['output_root'] +
params['output_filename'])
parse_ini.write_params(params,
params['output_root'] + 'params.ini',
prefix=prefix)
file_middles = params['file_middles']
# Store the covariance and counts session by session in a dictionary.
covar_dict = {}
counts_dict = {}
# Also store the frequency axis.
freq_dict = {}
# Loop though all the files and accumulate the covariance and the
# counts. Files in the same session are summed together.
for middle in file_middles:
key, covar, counts, freq = self.process_file(middle)
if covar_dict.has_key(key):
if covar_dict[key].shape != covar.shape:
msg = ("All data needs to have the same band and"
"polarization structure.")
raise ce.DataError(msg)
covar_dict[key] += covar
counts_dict[key] += counts
if not np.allclose(freq_dict[key], freq):
raise ce.DataError("Frequency structure not consistant.")
else:
covar_dict[key] = covar
counts_dict[key] = counts
freq_dict[key] = freq
# Now that we have the covariance, factor it into eigen-vectors and
# store it in a data base.
output_fname = params['output_root'] + params["output_filename"]
out_db = shelve.open(output_fname)
# Loop through all the data divisions and processes them one at a
# time.
for key in covar_dict.iterkeys():
covar = covar_dict[key]
counts = counts_dict[key]
# Normalize.
counts[counts == 0] = 1
covar /= counts
# Loop to each matrix, decompose it and save it.
eigen_vects = np.empty_like(covar)
for band_ii in range(covar.shape[0]):
for pol_jj in range(covar.shape[1]):
for cal_kk in range(covar.shape[2]):
# Factor
h, v = linalg.eigh(covar[band_ii, pol_jj, cal_kk])
eigen_vects[band_ii, pol_jj, cal_kk] = v
#plt.semilogy(h, '.')
#plt.figure()
#for ii in range(1,5):
# plt.plot(v[:,-ii])
#plt.show()
out_db[key + '.vects'] = eigen_vects
out_db[key + '.freq'] = freq_dict[key]
if params['n_modes_removed']:
for middle in file_middles:
key = get_key(middle)
modes = out_db[key + '.vects']
modes = modes[:, :, :, :, -params['n_modes_removed']:]
self.clean_file(middle, modes)
# Close the data base.
out_db.close()
def execute(self, nprocesses=1):
comm = MPI.COMM_WORLD
rank = comm.Get_rank()
size = comm.Get_size()
params = self.params
resultf = params["resultf"]
# resultf = params['hr'][0]
# if len(params['last']) != 0:
# resultf = resultf + params['last'][0]
# resultf = resultf + '-' + params['hr'][1]
# if len(params['last']) != 0:
# resultf = resultf + params['last'][1]
# Make parent directory and write parameter file.
parse_ini.write_params(params, params["output_root"] + "params.ini", prefix="pk_")
in_root = params["input_root"]
out_root = params["output_root"]
mid = params["mid"]
FKPweight = params["FKPweight"]
n_processes = params["processes"]
#### Process ####
n_new = n_processes - 1
n_map = len(params["hrlist"])
kbn = params["kbinNum"]
kmin = params["kmin"]
kmax = params["kmax"]
PK = np.zeros(shape=(n_map, kbn))
self.q = mp.JoinableQueue()
if n_new <= 0:
for ii in range(n_map):
self.process_map(ii, PK[ii])
elif n_new > 32:
raise ValueError("Process limit is 32")
else:
process_list = range(n_new)
for ii in xrange(n_map + n_new):
if ii >= n_new:
PK[ii - n_new] = self.q.get()
process_list[ii % n_new].join()
if process_list[ii % n_new].exitcode != 0:
raise RuntimeError("A thred faild with exit code" + str(process_list[ii % n_new].exitcode))
if ii < n_map:
process_list[ii % n_new] = mp.Process(target=self.process_map, args=(ii, ii % n_new))
process_list[ii % n_new].start()
if FKPweight:
sp.save(params["output_root"] + "PKeach_fkp_" + resultf, PK)
else:
sp.save(params["output_root"] + "PKeach_" + resultf, PK)
# PKmean = sp.load(params['input_root'] + 'PK.npy')
PKmean = PK.mean(axis=0)
PK[:] = (PK[:] - PKmean) ** 2
PKvar = np.sum(PK, axis=0)
PKvar = PKvar / n_map
PKvar = np.sqrt(PKvar)
print PKmean
print PKvar
kunit = 2.0 * pi / (params["boxunit"])
if (kmin == None) or (kmax == None):
k = np.logspace(log10(1.0 / params["boxshape"][0]), log10(sqrt(3)), num=kbn + 1)
else:
kmin = kmin / kunit
kmax = kmax / kunit
k = np.logspace(log10(kmin), log10(kmax), num=kbn + 1)
k = k * 2.0 * pi / params["boxunit"]
k = k[:-1]
sp.save(params["output_root"] + "k_combined_" + resultf, k)
if FKPweight:
sp.save(params["output_root"] + "PKvar_combined_fkp_" + resultf, PKvar)
sp.save(params["output_root"] + "PK_combined_fkp_" + resultf, PKmean)
else:
sp.save(params["output_root"] + "PKvar_combined_" + resultf, PKvar)
sp.save(params["output_root"] + "PK_combined_" + resultf, PKmean)
def execute(self, nprocesses=1):
"""Worker funciton."""
params = self.params
# Make parent directory and write parameter file.
kiyopy.utils.mkparents(params['output_root'])
parse_ini.write_params(params,
params['output_root'] + 'params.ini',
prefix=prefix)
save_noise_diag = params['save_noise_diag']
in_root = params['input_root']
all_out_fname_list = []
all_in_fname_list = []
# Figure out what the band names are.
bands = params['bands']
if not bands:
map_files = glob.glob(in_root + 'dirty_map_' + pol_str + "_*.npy")
bands = []
root_len = len(in_root + 'dirty_map_')
for file_name in map_files:
bands.append(file_name[root_len:-4])
# Loop over files to process.
for pol_str in params['polarizations']:
for band in bands:
if band == -1:
band_str = ''
else:
band_str = "_" + repr(band)
dmap_fname = (in_root + 'dirty_map_' + pol_str + band_str +
'.npy')
all_in_fname_list.append(
kiyopy.utils.abbreviate_file_path(dmap_fname))
# Load the dirty map and the noise matrix.
dirty_map = algebra.load(dmap_fname)
dirty_map = algebra.make_vect(dirty_map)
if dirty_map.axes != ('freq', 'ra', 'dec'):
msg = ("Expeced dirty map to have axes ('freq',"
"'ra', 'dec'), but it has axes: " +
str(dirty_map.axes))
raise ce.DataError(msg)
shape = dirty_map.shape
# Initialize the clean map.
clean_map = algebra.info_array(sp.zeros(dirty_map.shape))
clean_map.info = dict(dirty_map.info)
clean_map = algebra.make_vect(clean_map)
# If needed, initialize a map for the noise diagonal.
if save_noise_diag:
noise_diag = algebra.zeros_like(clean_map)
if params["from_eig"]:
# Solving from eigen decomposition of the noise instead of
# the noise itself.
# Load in the decomposition.
evects_fname = (in_root + 'noise_evects_' + pol_str +
+band_str + '.npy')
if self.feedback > 1:
print "Using dirty map: " + dmap_fname
print "Using eigenvectors: " + evects_fname
evects = algebra.open_memmap(evects_fname, 'r')
evects = algebra.make_mat(evects)
evals_inv_fname = (in_root + 'noise_evalsinv_' + pol_str +
"_" + repr(band) + '.npy')
evals_inv = algebra.load(evals_inv_fname)
evals_inv = algebra.make_mat(evals_inv)
# Solve for the map.
if params["save_noise_diag"]:
clean_map, noise_diag = solve_from_eig(
evals_inv, evects, dirty_map, True, self.feedback)
else:
clean_map = solve_from_eig(evals_inv, evects,
dirty_map, False,
self.feedback)
# Delete the eigen vectors to recover memory.
del evects
else:
# Solving from the noise.
noise_fname = (in_root + 'noise_inv_' + pol_str +
band_str + '.npy')
if self.feedback > 1:
print "Using dirty map: " + dmap_fname
print "Using noise inverse: " + noise_fname
all_in_fname_list.append(
kiyopy.utils.abbreviate_file_path(noise_fname))
noise_inv = algebra.open_memmap(noise_fname, 'r')
noise_inv = algebra.make_mat(noise_inv)
# Two cases for the noise. If its the same shape as the map
# then the noise is diagonal. Otherwise, it should be
# block diagonal in frequency.
if noise_inv.ndim == 3:
if noise_inv.axes != ('freq', 'ra', 'dec'):
msg = ("Expeced noise matrix to have axes "
"('freq', 'ra', 'dec'), but it has: " +
str(noise_inv.axes))
raise ce.DataError(msg)
# Noise inverse can fit in memory, so copy it.
noise_inv_memory = sp.array(noise_inv, copy=True)
# Find the non-singular (covered) pixels.
max_information = noise_inv_memory.max()
good_data = noise_inv_memory < 1.0e-10 * max_information
# Make the clean map.
clean_map[good_data] = (dirty_map[good_data] /
noise_inv_memory[good_data])
if save_noise_diag:
noise_diag[good_data] = \
1/noise_inv_memory[good_data]
elif noise_inv.ndim == 5:
if noise_inv.axes != ('freq', 'ra', 'dec', 'ra',
'dec'):
msg = ("Expeced noise matrix to have axes "
"('freq', 'ra', 'dec', 'ra', 'dec'), "
"but it has: " + str(noise_inv.axes))
raise ce.DataError(msg)
# Arrange the dirty map as a vector.
dirty_map_vect = sp.array(dirty_map) # A view.
dirty_map_vect.shape = (shape[0], shape[1] * shape[2])
frequencies = dirty_map.get_axis('freq') / 1.0e6
# Allowcate memory only once.
noise_inv_freq = sp.empty(
(shape[1], shape[2], shape[1], shape[2]),
dtype=float)
if self.feedback > 1:
print "Inverting noise matrix."
# Block diagonal in frequency so loop over frequencies.
for ii in xrange(dirty_map.shape[0]):
if self.feedback > 1:
print "Frequency: ", "%5.1f" % (
frequencies[ii]),
if self.feedback > 2:
print ", start mmap read:",
sys.stdout.flush()
noise_inv_freq[...] = noise_inv[ii, ...]
if self.feedback > 2:
print "done, start eig:",
sys.stdout.flush()
noise_inv_freq.shape = (shape[1] * shape[2],
shape[1] * shape[2])
# Solve the map making equation by diagonalization.
noise_inv_diag, Rot = sp.linalg.eigh(
noise_inv_freq, overwrite_a=True)
if self.feedback > 2:
print "done",
map_rotated = sp.dot(Rot.T, dirty_map_vect[ii])
# Zero out infinite noise modes.
bad_modes = (noise_inv_diag <
1.0e-5 * noise_inv_diag.max())
if self.feedback > 1:
print ", discarded: ",
print "%4.1f" % (100.0 * sp.sum(bad_modes) /
bad_modes.size),
print "% of modes",
if self.feedback > 2:
print ", start rotations:",
sys.stdout.flush()
map_rotated[bad_modes] = 0.
noise_inv_diag[bad_modes] = 1.0
# Solve for the clean map and rotate back.
map_rotated /= noise_inv_diag
map = sp.dot(Rot, map_rotated)
if self.feedback > 2:
print "done",
sys.stdout.flush()
# Fill the clean array.
map.shape = (shape[1], shape[2])
clean_map[ii, ...] = map
if save_noise_diag:
# Using C = R Lambda R^T
# where Lambda = diag(1/noise_inv_diag).
temp_noise_diag = 1 / noise_inv_diag
temp_noise_diag[bad_modes] = 0
# Multiply R by the diagonal eigenvalue matrix.
# Broadcasting does equivalent of mult by diag
# matrix.
temp_mat = Rot * temp_noise_diag
# Multiply by R^T, but only calculate the
# diagonal elements.
for jj in range(shape[1] * shape[2]):
temp_noise_diag[jj] = sp.dot(
temp_mat[jj, :], Rot[jj, :])
temp_noise_diag.shape = (shape[1], shape[2])
noise_diag[ii, ...] = temp_noise_diag
# Return workspace memory to origional shape.
noise_inv_freq.shape = (shape[1], shape[2],
shape[1], shape[2])
if self.feedback > 1:
print ""
sys.stdout.flush()
elif noise_inv.ndim == 6:
if save_noise_diag:
# OLD WAY.
#clean_map, noise_diag, chol = solve(noise_inv,
# dirty_map, True, feedback=self.feedback)
# NEW WAY.
clean_map, noise_diag, noise_inv_diag, chol = \
solve(noise_fname, noise_inv, dirty_map,
True, feedback=self.feedback)
else:
# OLD WAY.
#clean_map, chol = solve(noise_inv, dirty_map,
# False, feedback=self.feedback)
# NEW WAY.
clean_map, noise_inv_diag, chol = \
solve(noise_fname, noise_inv, dirty_map,
False, feedback=self.feedback)
if params['save_cholesky']:
chol_fname = (params['output_root'] + 'chol_' +
pol_str + band_str + '.npy')
sp.save(chol_fname, chol)
if params['save_noise_inv_diag']:
noise_inv_diag_fname = (params['output_root'] +
'noise_inv_diag_' +
pol_str + band_str +
'.npy')
algebra.save(noise_inv_diag_fname, noise_inv_diag)
# Delete the cholesky to recover memory.
del chol
else:
raise ce.DataError("Noise matrix has bad shape.")
# In all cases delete the noise object to recover memeory.
del noise_inv
# Write the clean map to file.
out_fname = (params['output_root'] + 'clean_map_' + pol_str +
band_str + '.npy')
if self.feedback > 1:
print "Writing clean map to: " + out_fname
algebra.save(out_fname, clean_map)
all_out_fname_list.append(
kiyopy.utils.abbreviate_file_path(out_fname))
if save_noise_diag:
noise_diag_fname = (params['output_root'] + 'noise_diag_' +
pol_str + band_str + '.npy')
algebra.save(noise_diag_fname, noise_diag)
all_out_fname_list.append(
kiyopy.utils.abbreviate_file_path(noise_diag_fname))
# Check the clean map for faileur.
if not sp.alltrue(sp.isfinite(clean_map)):
n_bad = sp.sum(sp.logical_not(sp.isfinite(clean_map)))
msg = ("Non finite entries found in clean map. Solve"
" failed. %d out of %d entries bad" %
(n_bad, clean_map.size))
raise RuntimeError(msg)
def execute(self, nprocesses=1):
params = self.params
# Make parent directory and write parameter file.
kiyopy.utils.mkparents(params['output_root'])
parse_ini.write_params(params, params['output_root']+'params.ini',prefix='pk_')
in_root = params['input_root']
out_root = params['output_root']
mid = params['mid']
all_out_fname_list = []
all_in_fname_list = []
#### Process ####
pol_str = params['polarizations'][0]
hr_str = params['hr'][0]
imap_fname = in_root + hr_str + mid + pol_str + '.npy'
imap = algebra.load(imap_fname)
imap = algebra.make_vect(imap)
if imap.axes != ('freq', 'ra', 'dec') :
raise ce.DataError('AXES ERROR!')
nmap_fname = in_root + hr_str + 'noise_inv_diag_' + pol_str + '.npy'
nmap = algebra.load(nmap_fname)
nmap = algebra.make_vect(nmap)
#noise normal
normal = (nmap**2).sum()
#Using map in different day
hr_str = params['hr'][1]
imap_fname2 = in_root + hr_str + mid + pol_str + '.npy'
imap2 = algebra.load(imap_fname2)
imap2 = algebra.make_vect(imap2)
if imap2.axes != ('freq', 'ra', 'dec') :
raise ce.DataError('AXES ERROR!')
nmap_fname = in_root + hr_str + 'noise_inv_diag_' + pol_str + '.npy'
nmap2 = algebra.load(nmap_fname)
nmap2 = algebra.make_vect(nmap2)
#noise normal
normal2 = (nmap2**2).sum()
normal = sqrt(normal)*sqrt(normal2)
mapshape = np.array(imap.shape)
#print imap.shape
r = self.discrete(self.fq2r(imap.get_axis('freq')))
ra = self.discrete(imap.get_axis('ra'))*deg2rad
de = self.discrete(imap.get_axis('dec'))*deg2rad
ra0= ra[int(ra.shape[0]/2)]
ra = ra - ra0
dr = r.ptp()/r.shape[0]
dra= ra.ptp()/ra.shape[0]
dde= de.ptp()/de.shape[0]
disc_n = params['discrete']
#imap = imap.swapaxes(1,2) # change the ra and dec
#print imap.shape
mapinf = [dr, dra, dde, disc_n]
mapinf = np.array(mapinf)
#print mapinf
#print r
#print ra
#print de
box = algebra.info_array(sp.zeros(params['boxshape']))
box.axes = ('x','y','z')
box = algebra.make_vect(box)
boxshape = np.array(box.shape)
box2 = algebra.info_array(sp.zeros(params['boxshape']))
box2.axes = ('x','y','z')
box2 = algebra.make_vect(box2)
xrange0 = params['Xrange'][0]
yrange0 = params['Yrange'][0]
zrange0 = params['Zrange'][0]
boxunit = params['boxunit']
shapex = params['boxshape'][2]
shapera = ra.shape[0]
V = params['boxunit']**3
boxinf = [xrange0, yrange0, zrange0, boxunit]
boxinf = np.array(boxinf)
print "Filling the BOX"
MakePower.Filling(imap, imap2, box, box2, r, ra, de, boxinf, mapinf)
print "FFTing "
fftbox = fftn(box)
fftbox = fftbox.real**2 + fftbox.imag**2
fftbox2= fftn(box2)
fftbox2 = fftbox2.real**2 + fftbox2.imag**2
fftbox = fftbox2
#fftbox = fftbox.__pow__(0.5)*fftbox2.__pow__(0.5)
PK = np.zeros(40)
k = np.zeros(40)
PK2 = np.zeros(shape=(10, 10))
k2 = np.zeros(shape=(2, 10))
MakePower.Make(fftbox, PK, k, PK2, k2)
kunit = 2.*pi/(boxshape[0]*boxunit)
k = k*kunit
k2 = k2*kunit
PK = PK*V*params['boxshape'][0]**3/normal
PK2 = PK2*V*params['boxshape'][0]**3/normal
sp.save(out_root+'PK', PK)
sp.save(out_root+'PK2', PK2)
non0 = PK.nonzero()
if self.plot==True:
plt.figure(figsize=(8,8))
#print k
#print PK
plt.subplot('211')
plt.scatter(k.take(non0), PK.take(non0))
plt.loglog()
plt.ylim(ymin=1.e1)
plt.xlim(xmin=k.min())
plt.title('Power Spectrum')
plt.xlabel('$k$')
plt.ylabel('$P(k) (Kelvin^{2}(h^{-1}Mpc)^3)$')
PK = PK*V*params['boxshape'][0]**3/1.2e12*k*k*k/2./pi/pi
#print PK
plt.subplot('212')
plt.scatter(k.take(non0), PK.take(non0))
plt.loglog()
plt.ylim(ymin=1.e-9)
plt.xlim(xmin=k.min())
plt.xlabel('$k (h Mpc^{-1})$')
plt.ylabel('$\Delta^2 (Kelvin^{2})$')
#plt.show()
plt.savefig(out_root+'power.eps', format='eps')
PK2 = np.log10(PK2)
plt.figure(figsize=(6,6))
extent = (k2[0][0], k2[0][-1], k2[1][0], k2[1][-1])
plt.imshow(PK2, origin='lower', extent = extent, interpolation='nearest')
plt.xlabel('$k vertical (h Mpc^{-1})$')
plt.ylabel('$k parallel (h Mpc^{-1})$')
cb = plt.colorbar()
cb.set_label('$lg(P^{2D}_{k_pk_v}) (Kelvin^2(h^{-1}Mpc)^3)$')
plt.loglog()
plt.savefig(out_root+'power2.eps', format='eps')
#plt.show()
print 'Finished @_@ '
return PK
def execute(self, nprocesses=1):
params = self.params
kiyopy.utils.mkparents(params['output_root'])
parse_ini.write_params(params,
params['output_root'] + 'params.ini',
prefix=prefix)
guppi_result = params['Guppi_test']
self.file_num = len(
params['file_middles']
) # getting a variable for number of calibrator files being used
# Need to remove count for calibrator files that are not the right size.
session_nums = sp.zeros(self.file_num)
c = 0
for file_middle in params['file_middles']:
input_fname = (params['input_root'] + file_middle +
params['input_end'])
Reader = core.fitsGBT.Reader(input_fname)
n_scans = len(Reader.scan_set)
Len_set = Reader.read(0, 0, force_tuple=True)
session_nums[c] = file_middle.split('_')[0]
for Data in Len_set:
freq_num = Data.dims[3]
if guppi_result == True:
if n_scans != 2:
self.file_num -= 1
elif guppi_result == False:
if n_scans != 4:
self.file_num -= 1
c += 1
# Need to know the general frequency binning (going to assume that it's 200 for guppi, 260 for spectrometer, aka 1 MHz binning)
# if guppi_result == True :
# freq_num = 200
if guppi_result == False:
# freq_num = 260
self.file_num *= 2 #because there are two sets of scans per file for spectrometer, need to double the number of values
self.function = sp.zeros(
3 * self.file_num +
1) #setting a variable of the right size for peval to use
self.theta = sp.zeros(
3 * self.file_num +
1) #setting a variable for parallactic angle in radians
d = sp.zeros((3 * self.file_num + 1,
freq_num)) #setting a variable for measured values
# Loop over files to process.
k = 0
for file_middle in params['file_middles']:
input_fname = (params['input_root'] + file_middle +
params['input_end'])
# Read in the data, and loop over data blocks.
Reader = core.fitsGBT.Reader(input_fname)
n_IFs = len(
Reader.IF_set
) # Should be 1 given that we've stitched windows for the spectrometer or by def in guppi
n_scans = len(Reader.scan_set
) #Should be 4 for the spectrometer, 2 for guppi
OnBlocks = Reader.read(range(0, n_scans, 2), 0, force_tuple=True)
OffBlocks = Reader.read(range(1, n_scans, 2), 0, force_tuple=True)
#force_tuple=True makes the ouput of Reader.read a tuple even if thre is only one Block to return.
Blocks = Reader.read(params['scans'],
params['IFs'],
force_tuple=True)
# Setting labels for indices for later
on_ind = 0
off_ind = 1
I_ind = 0
Q_ind = 1
U_ind = 2
V_ind = 3
#Calculating Parallactic angles for the cal file
PA = sp.zeros(n_scans)
m = 0
for Data in Blocks:
freq_len = Data.dims[3]
Data.calc_freq()
freq_val = Data.freq
freq_val = freq_val / 1000000
Data.calc_PA()
PA[m] = ma.mean(Data.PA)
m += 1
if guppi_result == False:
if n_scans == 4: # To make sure that we don't use incomplete data
self.theta[k] = 0.5 * (
PA[0] + PA[1]
) # the average between the on and off values
self.theta[k + 1] = 0.5 * (PA[0] + PA[1])
self.theta[k + 2] = 0.5 * (PA[0] + PA[1])
self.theta[k + 3] = 0.5 * (PA[2] + PA[3])
self.theta[k + 4] = 0.5 * (PA[2] + PA[3])
self.theta[k + 5] = 0.5 * (PA[2] + PA[3])
S_med_on = sp.zeros((2, freq_len, 4))
S_med = sp.zeros((2, freq_len, 4))
i = 0
for Data in OnBlocks:
S_med_on[i, :, 0] = ma.median(Data.data[:, I_ind,
off_ind, :],
axis=0)
S_med_on[i, :, 1] = ma.median(Data.data[:, Q_ind,
off_ind, :],
axis=0)
S_med_on[i, :, 2] = ma.median(Data.data[:, U_ind,
off_ind, :],
axis=0)
S_med_on[i, :, 3] = ma.median(Data.data[:, V_ind,
off_ind, :],
axis=0)
i += 1
j = 0
for Data in OffBlocks:
S_med[j, :, 0] = ma.median(Data.data[:, I_ind,
off_ind, :],
axis=0)
S_med[j, :, 1] = ma.median(Data.data[:, Q_ind,
off_ind, :],
axis=0)
S_med[j, :, 2] = ma.median(Data.data[:, U_ind,
off_ind, :],
axis=0)
S_med[j, :, 3] = ma.median(Data.data[:, V_ind,
off_ind, :],
axis=0)
j += 1
I_onoff_1 = S_med_on[0, :, 0] - S_med[
0, :, 0] # for first set of on and off scans
I_onoff_2 = S_med_on[1, :, 0] - S_med[
1, :, 0] # for second set of on and off scans
# Setting the measured stokes values for each file (to be used in the least squares fit)
d[k, :] = (S_med_on[0, :, 1] - S_med[0, :, 1]) / I_onoff_1
d[k +
1, :] = (S_med_on[0, :, 2] - S_med[0, :, 2]) / I_onoff_1
d[k +
2, :] = (S_med_on[0, :, 3] - S_med[0, :, 3]) / I_onoff_1
d[k +
3, :] = (S_med_on[1, :, 1] - S_med[1, :, 1]) / I_onoff_2
d[k +
4, :] = (S_med_on[1, :, 2] - S_med[1, :, 2]) / I_onoff_2
d[k +
5, :] = (S_med_on[1, :, 3] - S_med[1, :, 3]) / I_onoff_2
k += 6
if guppi_result == True: #This is the same as above only there is a single set of on and off scans in this case.
if n_scans == 2:
self.theta[k] = ma.mean(PA)
self.theta[k + 1] = ma.mean(PA)
self.theta[k + 2] = ma.mean(PA)
S_med_on = sp.zeros((freq_len, 4))
S_med = sp.zeros((freq_len, 4))
for Data in OnBlocks:
S_med_on[:, 0] = ma.median(Data.data[:, I_ind,
off_ind, :],
axis=0)
S_med_on[:, 1] = ma.median(Data.data[:, Q_ind,
off_ind, :],
axis=0)
S_med_on[:, 2] = ma.median(Data.data[:, U_ind,
off_ind, :],
axis=0)
S_med_on[:, 3] = ma.median(Data.data[:, V_ind,
off_ind, :],
axis=0)
for Data in OffBlocks:
S_med[:, 0] = ma.median(Data.data[:, I_ind,
off_ind, :],
axis=0)
S_med[:, 1] = ma.median(Data.data[:, Q_ind,
off_ind, :],
axis=0)
S_med[:, 2] = ma.median(Data.data[:, U_ind,
off_ind, :],
axis=0)
S_med[:, 3] = ma.median(Data.data[:, V_ind,
off_ind, :],
axis=0)
I_onoff = S_med_on[:, 0] - S_med[:, 0]
d[k, :] = (S_med_on[:, 1] - S_med[:, 1]) / I_onoff
d[k + 1, :] = (S_med_on[:, 2] - S_med[:, 2]) / I_onoff
d[k + 2, :] = (S_med_on[:, 3] - S_med[:, 3]) / I_onoff
k += 3
d[k, :] = sp.tan(
2 * 33 * sp.pi / 180
) # the 33 degrees here is specific to 3C286, takes a different value for different calibrators
#The seven parameters are in order deltaG[0], alpha[1], psi[2], phi[3], epsilon[4], Qsrc[5], Usrc[6] chi[7] => the parameter vector is p
p0 = [0.3, 90.0, 170.0, 10.0, 0.016, 0.005, 0.026,
0] # preliminary values based on guesses and heiles generation.
error = sp.ones(3 * self.file_num + 1)
#Note that error can be used to weight the equations if not all set to one.
p_val_out = sp.zeros((freq_len, 9))
# p_err_out = sp.zeros((freq_len, 9))
for f in range(0, freq_len):
plsq = leastsq(self.residuals,
p0,
args=(d, error, f),
full_output=0,
maxfev=5000,
factor=1)
pval = plsq[0] # this is the 1-d array of results
# perr = plsq[1] # this is a 2d array representing the estimated covariance of the results.
#want to adjust results if angles not in limits
pval[1] = (pval[1] + 180) % 360 - 180
pval[2] = (pval[2] + 180) % 360 - 180
pval[3] = (pval[3] + 180) % 360 - 180
pval[7] = (pval[7] + 180) % 360 - 180
p_val_out[f, 0] = freq_val[f]
p_val_out[f, 1] = pval[0]
p_val_out[f, 2] = pval[1]
p_val_out[f, 3] = pval[2]
p_val_out[f, 4] = pval[3]
p_val_out[f, 5] = pval[4]
p_val_out[f, 6] = pval[5]
p_val_out[f, 7] = pval[6]
p_val_out[f, 8] = pval[7]
# Gets error values, note that this doesn't work if set chi to zero.
# p_err_out[f,0] = freq_val[f]
# p_err_out[f,1] = perr[0,0]
# p_err_out[f,2] = perr[1,1]
# p_err_out[f,3] = perr[2,2]
# p_err_out[f,4] = perr[3,3]
# p_err_out[f,5] = perr[4,4]
# p_err_out[f,6] = perr[5,5]
# p_err_out[f,7] = perr[6,6]
# p_err_out[f,8] = perr[7,7]
np.savetxt('mueller_params_calc.txt', p_val_out, delimiter=' ')
def spectrum_arithmetic(inifile, outdir="./plots/"):
r"""Perform the operations"""
params_init = {"pwr_a_ini": None,
"pwr_b_ini": None,
"pwr_c_ini": None,
"pwr_d_ini": None,
"mul_a": "1.",
"mul_b": "1.",
"mul_c": "1.",
"mul_d": "1.",
"output_tag": "tag identifying the output somehow"}
prefix="sa_"
params = parse_ini.parse(inifile, params_init, prefix=prefix)
print params
output_root = "%s/%s/" % (outdir, params["output_tag"])
print output_root
file_tools.mkparents(output_root)
parse_ini.write_params(params, output_root + 'params.ini',
prefix=prefix)
if not params["pwr_a_ini"]:
print "ERROR: at least spectrum A must be given (and C for ratios)"
return
pwr_a_all = cp.wrap_batch_gbtpwrspec_data_run(params["pwr_a_ini"],
generate=False,
outdir=outdir)
if params['pwr_b_ini']:
pwr_b_all = cp.wrap_batch_gbtpwrspec_data_run(params["pwr_b_ini"],
generate=False,
outdir=outdir)
if params['pwr_c_ini']:
pwr_c_all = cp.wrap_batch_gbtpwrspec_data_run(params["pwr_c_ini"],
generate=False,
outdir=outdir)
if params['pwr_d_ini']:
pwr_d_all = cp.wrap_batch_gbtpwrspec_data_run(params["pwr_d_ini"],
generate=False,
outdir=outdir)
for treatment in pwr_a_all:
pwr_a = pwr_a_all[treatment]
pwr_a = mul_pwrspec(pwr_a, params['mul_a'])
pwr_numerator = copy.deepcopy(pwr_a)
if params['pwr_b_ini']:
pwr_b = pwr_b_all[treatment]
pwr_b = mul_pwrspec(pwr_b, params['mul_b'])
pwr_numerator = add_pwrspec(pwr_numerator, pwr_b)
if params['pwr_c_ini']:
pwr_c = pwr_c_all[treatment]
pwr_c = mul_pwrspec(pwr_c, params['mul_c'])
pwr_denominator = copy.deepcopy(pwr_c)
if params['pwr_d_ini']:
pwr_d = pwr_d_all[treatment]
pwr_d = mul_pwrspec(pwr_d, params['mul_d'])
pwr_denominator = add_pwrspec(pwr_denominator, pwr_d)
pwr_final = divide_pwrspec(pwr_numerator, pwr_denominator)
else:
pwr_final = pwr_numerator
filename = "%s/%s_%s.dat" % (output_root, params['output_tag'], treatment)
outfile = open(filename, "w")
for specdata in zip(pwr_final['bin_left'], pwr_final['bin_center'],
pwr_final['bin_right'], pwr_final['counts_histo'],
pwr_final['mean_1d'], pwr_final['std_1d']):
outfile.write(("%10.15g " * 6 + "\n") % specdata)
outfile.close()
