def el_multirun(elm):
#separating each line from atom data
atomtrim = pf.FileAtoms()
atomtrim.load(atomdata)
atomtrim.cut(mainfile.llzero, mainfile.llfin)
atomel = pf.FileAtoms()
atomel.atoms = [a for a in atomtrim.atoms if a.elem == pf.adjust_atomic_symbol(elm)]
speclines = []
line_num_specs = []
#configuring multi-running for each line
el_combos = []
for atom in atomel.atoms:
for line in atom.lines:
singline = pf.FileAtoms()
a = copy.copy(atom)
a.lines = [line]
singline.atoms = [a]
cm = pf.Combo([pf.FOR_PFANT, pf.FOR_NULBAD])
cm.conf.flag_output_to_dir = True
cm.conf.flag_log_console = False
cm.conf.opt.no_molecules = True
cm.conf.opt.absoru = True
cm.conf.opt.opa = False
cm.conf.file_main = mainfile
cm.conf.file_abonds = abondsfile
cm.conf.file_atoms = singline
cm.conf.file_main = mainfile
cm.conf.opt.fn_cv = cm.conf.file_main.flprefix + ".norm.nulbad.%5.3f" % mainfile.fwhm
el_combos.append(cm)
#run pfant-multi
pf.run_parallel(el_combos, flag_console=False)
#load results and save spectra into lists
i = 0
for atom in atomel.atoms:
for line in atom.lines:
pl = el_combos[i].pfant
n = el_combos[i].nulbad
n.load_result()
n.convolved.filename = str(line.lambda_)
speclines.append(n.convolved)
lbdfluxpec = [n.convolved.x, n.convolved.y]
line_num_specs.append(lbdfluxpec)
pl.conf.sid.clean()
i += 1
return speclines, line_num_specs
"""Runs synthesis for specified atomic species separately. No molecules or hydrogen lines."""
import pyfant
import f311
import matplotlib.pyplot as plt
import a99
# ["<element name><ionization level>", ...] for which to draw panels
MY_SPECIES = ["Fe1", "Fe2", "Ca1", "Ca2", "Na1", "Si1"]
if __name__ == "__main__":
pyfant.copy_star(starname="sun-grevesse-1996")
pyfant.link_to_data()
# Loads full atomic lines file
fatoms = pyfant.FileAtoms()
fatoms.load()
runnables = []
for elem_ioni in MY_SPECIES:
atom = fatoms.find_atom(elem_ioni)
# Creates atomic lines file object containing only one atom
fatoms2 = pyfant.FileAtoms()
fatoms2.atoms = [atom]
ecombo = pyfant.Combo()
# Overrides file "atoms.dat" with in-memory object
ecombo.conf.file_atoms = fatoms2
ecombo.conf.flag_output_to_dir = True
oo = ecombo.conf.opt
a99.logging_level = logging.INFO
a99.flag_log_file = True
if __name__ == "__main__":
parser = argparse.ArgumentParser(
description=__doc__,
formatter_class=a99.SmartFormatter
)
parser.add_argument('llzero', type=float, nargs=1,
help='lower wavelength boundary (angstrom)')
parser.add_argument('llfin', type=float, nargs=1,
help='upper wavelength boundary (angstrom)')
parser.add_argument('fn_input', type=str, help='input file name', nargs=1)
parser.add_argument('fn_output', type=str, help='output file name', nargs=1)
args = parser.parse_args()
file_atoms = pyfant.FileAtoms()
file_atoms.load(args.fn_input[0])
m = min([min(a.lambda_) for a in file_atoms.atoms])
M = max([max(a.lambda_) for a in file_atoms.atoms])
print("Original interval: [%g, %g]" % (m, M))
print("New interval: [%g, %g]" % (args.llzero[0], args.llfin[0]))
file_atoms.cut(args.llzero[0], args.llfin[0])
file_atoms.save_as(args.fn_output[0])
print("Successfully created file '%s'" % args.fn_output[0])
def vald3_to_atoms(file_obj):
"""
Converts data from a VALD3 file into a FileAtoms object.
Args:
file_obj: file-like object, e.g., returned by open()
Returns: a FileAtoms object
VALD3 website: http://vald.astro.uu.se/
"""
_logger = a99.get_python_logger()
def log_skipping(r, reason, row):
_logger.info("Skipping row #%d (%s)" % (r, reason))
_logger.info(str(row))
reader = csv.reader(file_obj)
ret = pyfant.FileAtoms()
edict = {
} # links atomic symbols with Atom objects created (key is atomic symbol)
r = 0
num_skip_ioni, num_skip_mol = 0, 0
try:
for row in reader:
r += 1
if len(row) <= 12: # Condition to detect row of interest
continue
elem = row[0][1:row[0].index(" ")]
if not elem in _Symbols:
# skips molecule
num_skip_mol += 1
continue
# # Collects information and creates atomic line object.
# Note: Variable names follow Fortran source variable names.
s_ioni = row[0][-2]
ioni = int(s_ioni) # not used, stays as file validation
if ioni > 2:
# log_skipping(r, "ionization > 2", row)
num_skip_ioni += 1
continue
_waals = float(row[12])
if _waals > 0:
# If the van der Waals damping parameter is > 0, it means
# something else, see the documentation at
# http://www.astro.uu.se/valdwiki/Vald3Format:
# "if >0 : two parameters as defined in Barklem et al.
# 2000A&AS..142..467B : integer part is cross-section sigma,
# fractional part is velocity parameter alpha"
# Therefore, we fall back.
_waals = 0
line = pyfant.AtomicLine()
line.lambda_ = float(row[1])
line.algf = float(row[2])
line.kiex = float(row[3])
if _waals == 0:
line.ch = 0.3e-31
else:
try:
# Formula supplied by Elvis Cantelli:
# extracted from cross-entropy code by P. Barklem
line.ch = 10**(2.5 * _waals - 12.32)
except:
# Catches error to log _waals value that gave rise to error
_logger.critical("Error calculating ch: waals=%g" % _waals)
raise
# Setting gr to zero will cause PFANT to calculate it using a formula.
# See pfantlib.f90::read_atoms() for the formula.
line.gr = 0.0
# ge is not present in VALD3 file.
# it enters as a multiplicative term in popadelh(). The original
# atom4070g.dat and atoms.dat all had ge=0 for all lines.
line.ge = 0.0
# Attention: zinf must be tuned later using tune-zinf.py
line.zinf = 0.5
# Never used in PFANT
line.abondr = 1
# # Stores line in object
elem = pyfant.adjust_atomic_symbol(elem)
key = elem + s_ioni # will group elements by this key
if key in edict:
a = edict[key]
else:
a = edict[key] = pyfant.Atom()
a.elem = elem
a.ioni = int(s_ioni)
ret.atoms.append(a)
a.lines.append(line)
except Exception as e:
raise type(e)(("Error around %d%s row of VALD3 file" %
(r, a99.ordinal_suffix(r))) + ": " +
str(e)).with_traceback(sys.exc_info()[2])
_logger.debug("VALD3-to-atoms conversion successful!")
_logger.info("Number of lines skipped (molecules): %d" % num_skip_mol)
_logger.info("Number of lines skipped (ioni > 2): %d" % num_skip_ioni)
_logger.debug("Number of (element+ioni): %s" % len(ret))
_logger.debug("Total number of atomic lines: %d" %
(sum(len(a) for a in ret.atoms), ))
return ret
def turbospectrum_to_atoms(file_obj):
"""
Converts data from a TurboSpectrum file into a FileAtoms object.
Args:
file_obj: file-like object, e.g., returned by open()
Returns: a FileAtoms object
"""
_logger = a99.get_python_logger()
def log_skipping(r, reason, row):
_logger.info("Skipping row #%d (%s)" % (r, reason))
_logger.info(str(row))
ret = pyfant.FileAtoms()
edict = {} # links atomic symbols with Atom objects created (key is atomic symbol + ionization)
r = 0 # number of current row
num_skip_ioni, num_skip_mol = 0, 0
state = _X_EL0
try:
for row in file_obj:
r += 1
if state < _X_LINE_OR_EL0:
if row[0] != "'":
raise ParseError("Expecting element specification, but found something else")
if state == _X_EL0:
#' 3.000 ' 1 110
#0123456
elem = _Symbols[int(row[1:3])]
ioni = int(row[4:7])+1
state = _X_EL1
elif state == _X_EL1:
state = _X_LINE_OR_EL0
elif state == _X_LINE_OR_EL0:
if row[0] == "'":
elem = _Symbols[int(row[1:3])]
ioni = int(row[4:7]) + 1
state = _X_EL1
else:
if ioni > 2:
# log_skipping(r, "ionization > 2", row)
num_skip_ioni += 1
continue
#'Li I '
# 4601.843 1.848 -5.804 2.50 6.0 5.01E+07 'p' 'f' 0.0 1.0 'Li I 2p 2P 4f 2F SEN '
#0 1 2 3
#01234567890123456789012345678901234567890
rr = row.split()
_waals = float(rr[3])
if _waals > 0:
_waals = 0
line = pyfant.AtomicLine()
line.lambda_ = float(rr[0])
line.kiex = float(rr[1])
line.algf = float(rr[2])
if _waals == 0:
line.ch = 0.3e-31
else:
try:
# Formula supplied by Elvis Cantelli:
# extracted from cross-entropy code by P. Barklem
line.ch = 10**(2.5*_waals-12.32)
except:
# Catches error to log _waals value that gave rise to error
_logger.critical("Error calculating ch: waals=%g" % _waals)
raise
# Setting gr to zero will cause PFANT to calculate it using a formula.
# See pfantlib.f90::read_atoms() for the formula.
line.gr = 0.0
# ge is not present in VALD3 file.
# it enters as a multiplicative term in popadelh(). The original
# atom4070g.dat and atoms.dat all had ge=0 for all lines.
line.ge = 0.0
# Attention: zinf must be tuned later using tune-zinf.py
line.zinf = 0.5
# Never used in PFANT
line.abondr = 1
key = f"{elem:2}{ioni:1}" # will group elements by this key
if key in edict:
a = edict[key]
else:
a = edict[key] = pyfant.Atom()
a.elem = pyfant.adjust_atomic_symbol(elem)
a.ioni = ioni
ret.atoms.append(a)
a.lines.append(line)
except Exception as e:
raise type(e)(("Error around %d%s row of TurboSpectrum file" %
(r, a99.ordinal_suffix(r)))+": "+str(e)).with_traceback(sys.exc_info()[2])
_logger.debug("VALD3-to-atoms conversion successful!")
_logger.info("Number of lines skipped (molecules): %d" % num_skip_mol)
_logger.info("Number of lines skipped (ioni > 2): %d" % num_skip_ioni)
_logger.debug("Number of (element+ioni): %s" % len(ret))
_logger.debug("Total number of atomic lines: %d" % (sum(len(a) for a in ret.atoms),))
return ret
def synth_plot_build(ax, name=None, st_dt=None):
#takes a name for the synthesis and the star data dictionary
global mainfile
global abondsfile
global atomsfile
#initialize main parameters
mainfile = pf.FileMain()
mainfile.load()
mainfile.pas = 0.01
#setting atmospherical parameters
if pflag or multiflag:
mainfile.fwhm = st_dt['fwhm']
teff = st_dt['teff']
logg = st_dt['logg']
met = st_dt['met']
vt = st_dt['vt']
if fflag:
mainfile.fwhm = fw
if pflag or multiflag:
mainfile.titrav = name
mainfile.teff = teff
mainfile.glog = logg
mainfile.asalog = mainfile.afstar = met
mainfile.vvt = [vt]
mainfile.flprefix = name[:3]
mainfile.nhe = 0.085
mainfile.llzero = linelambda - linerange / 2 - 3
mainfile.llfin = linelambda + linerange / 2 + 3
#initializing elemental abundance file and values
#note that if there's a file "abonds.dat" in the directory, it will be used
#if not, default values (solar) will be loaded
#additionally, if multirun is being used, the specified abonds file will be used
abondsfile = pf.FileAbonds()
if multiflag:
abondsfile.load(st_dt['ab_file'])
else:
abondsfile.load()
idx = abondsfile.ele.index(pf.adjust_atomic_symbol(element))
if pf.adjust_atomic_symbol(element) != "FE":
abondsfile.abol[abondsfile.ele.index("FE")] = -99.99
abondsfile.abol[idx] = -99.99
#initializing atomic data, based on filename passed or not
atomsfile = pf.FileAtoms()
atomsfile.load(atomdata)
#setting and interpolating atmospherical model
m = pf.Innewmarcs()
m.conf.flag_log_console = False
m.conf.file_main = mainfile
m.conf.opt.allow = True
m.conf.opt.absoru = True
m.conf.opt.opa = False
m.run()
#calculating hydrogen lines
h = pf.Hydro2()
h.conf.flag_log_console = False
h.conf.file_main = mainfile
h.run()
#running pfant only for atoms (except chosen element and Fe)
spec_atoms = pfant_cut(no_at=False, no_mol=True, fname='only_atoms')
#running pfant only for molecules
spec_molecules = pfant_cut(no_at=True, no_mol=False, fname='only_mols')
#running pfant for separate chosen element lines
#loading back true abundances
abondsfile = pf.FileAbonds()
if multiflag:
abondsfile.load(st_dt['ab_file'])
else:
abondsfile.load()
if element != 'Fe':
el_speclines, el_specval = el_multirun(element)
#running pfant for separate iron lines
fe_speclines, fe_specval = el_multirun("Fe")
#running pfant for the full spectrum
spec_full = pfant_cut(no_at=False, no_mol=False, fname='full')
#START PLOTTING
value_specat = [spec_atoms.x, spec_atoms.y]
value_specmol = [spec_molecules.x, spec_molecules.y]
value_total = [spec_full.x, spec_full.y]
ax.plot(value_total[0], value_total[1], 'b-')
ax.plot(value_specat[0], value_specat[1], 'g-')
ax.plot(value_specmol[0], value_specmol[1], 'c-')
if sflag or multiflag:
if multiflag:
global ospec
ospec = np.genfromtxt(st_dt['spec'], unpack=True)
obsplot = ax.plot(ospec[0]+st_dt['sp_adj'][0], ospec[1]/st_dt['sp_adj'][1], 'k--')
elif rflag:
ax.plot(ospec[0]+rel[0], ospec[1]/rel[1], 'k--')
else:
ax.plot(ospec[0], ospec[1], 'k--')
for l in fe_specval:
ax.plot(l[0], l[1], color='#FF8C00', ls='-.', lw=1.5)
if element != 'Fe':
for l in el_specval:
ax.plot(l[0], l[1], 'm-', lw=1.5)
if multiflag:
plt.text(0.04, 0.06, name, horizontalalignment='left',
verticalalignment='bottom', fontsize=16,
transform=plt.gca().transAxes)
plt.ylim((0., 1.05))
return [obsplot, ospec]
"""
Atomic lines file editor
"""
import sys
import argparse
import logging
import a99
import pyfant
a99.logging_level = logging.INFO
a99.flag_log_file = True
if __name__ == "__main__":
parser = argparse.ArgumentParser(description=__doc__,
formatter_class=a99.SmartFormatter)
parser.add_argument('fn',
type=str,
help='atoms file name',
default=pyfant.FileAtoms.default_filename,
nargs='?')
args = parser.parse_args()
m = pyfant.FileAtoms()
m.load(args.fn)
app = a99.get_QApplication([])
form = pyfant.XFileAtoms()
form.show()
form.load(m)
sys.exit(app.exec_())