def build_sys_from_dict(self, sys_name, llist=None, **kwargs):
""" Build CGMAbsSys from the internal dict
Parameters
----------
sys_name : str
Name of the system
llist : LineList, optional
kwargs : passed to CGMAbsSys.from_dict
Returns
-------
CGMAbsSys
"""
tdict = self._dict[sys_name]
cgmsys = CGMAbsSys.from_dict(tdict,
chk_vel=False,
chk_sep=False,
chk_data=False,
use_coord=True,
use_angrho=True,
linelist=llist,
**kwargs)
# Return
return cgmsys
def from_tarball(cls, tfile, debug=False, **kwargs):
""" Load the COS-Halos survey from a tarball of JSON files
Parameters
----------
tfile : str
Returns
-------
"""
import tarfile
import json
from linetools.lists.linelist import LineList
llist = LineList('ISM')
slf = cls(**kwargs)
# Load
tar = tarfile.open(tfile)
for kk, member in enumerate(tar.getmembers()):
if '.' not in member.name:
print('Skipping a likely folder: {:s}'.format(member.name))
continue
# Debug
if debug and (kk == 5):
break
# Extract
f = tar.extractfile(member)
tdict = json.load(f)
# Generate
cgmsys = CGMAbsSys.from_dict(tdict,
chk_vel=False,
chk_sep=False,
chk_data=False,
use_coord=True,
use_angrho=True,
linelist=llist,
**kwargs)
slf.cgm_abs.append(cgmsys)
tar.close()
# Return
return slf
def from_tarball(cls, tfile, debug=False, **kwargs):
""" Load the COS-Halos survey from a tarball of JSON files
Parameters
----------
tfile : str
Returns
-------
"""
import tarfile
import json
from linetools.lists.linelist import LineList
llist = LineList('ISM')
slf = cls(**kwargs)
# Load
tar = tarfile.open(tfile)
for kk, member in enumerate(tar.getmembers()):
if '.' not in member.name:
print('Skipping a likely folder: {:s}'.format(member.name))
continue
# Debug
if debug and (kk == 5):
break
# Extract
f = tar.extractfile(member)
tdict = json.load(f)
# Generate
cgmsys = CGMAbsSys.from_dict(tdict, chk_vel=False, chk_sep=False, chk_data=False,
use_coord=True, use_angrho=True,
linelist=llist, **kwargs)
slf.cgm_abs.append(cgmsys)
tar.close()
# Return
return slf
def load_tarball(self,
tfile,
build_data=True,
build_sys=False,
llist=None,
verbose=True,
**kwargs):
"""
Parameters
----------
tfile
build_data
build_sys
llist
kwargs
Returns
-------
"""
import tarfile
# Load
tar = tarfile.open(tfile)
for kk, member in enumerate(tar.getmembers()):
if '.json' not in member.name:
print('Skipping a likely folder: {:s}'.format(member.name))
continue
# Extract
f = tar.extractfile(member)
try:
tdict = json.load(f)
except:
if verbose:
print('Unable to load {}'.format(member))
continue
# Build dict
self._dict[tdict['Name']] = tdict
# Generate
if build_sys:
cgmsys = CGMAbsSys.from_dict(tdict,
chk_vel=False,
chk_sep=False,
chk_data=False,
use_coord=True,
use_angrho=True,
linelist=llist,
**kwargs)
self.cgm_abs.append(cgmsys)
tar.close()
# Galaxy coords
ras = [self._dict[key]['RA'] for key in self._dict.keys()]
decs = [self._dict[key]['DEC'] for key in self._dict.keys()]
self.coords = SkyCoord(ra=ras, dec=decs, unit='deg')
# Sightline coords
ras = [self._dict[key]['igm_sys']['RA'] for key in self._dict.keys()]
decs = [self._dict[key]['igm_sys']['DEC'] for key in self._dict.keys()]
self.scoords = SkyCoord(ra=ras, dec=decs, unit='deg')
# Data table
if build_data:
self.build_data_from_dict()
# Return
return