def load_by_hand():
""" By-hand line list
Parameters
----------
line_file
add_path
Returns
-------
byhand : Table
"""
str_len_dict = defs.str_len()
src_file = arclines.__path__[0] + '/data/sources/by_hand_list.ascii'
# Read
line_list = Table.read(src_file, format='ascii.fixed_width', comment='#')
# Add
line_list['NIST'] = 1
# Deal with Instr and Source
ilist, slist = [], []
for row in line_list:
ilist.append(defs.instruments()[row['sInstr']]) # May need to split
slist.append(row['sSource'])
line_list['Instr'] = ilist
line_list['Source'] = np.array(slist,
dtype='S{:d}'.format(
str_len_dict['Source']))
# Trim
return line_list[['ion', 'wave', 'NIST', 'Instr', 'amplitude', 'Source']]
def init_line_list():
""" Initialize a Table for a linelist
Rigidly enforces table column formats
Strings are the most annoying
Returns
-------
init_tbl : Table
One dummy row
"""
# Get str lengths from defs
len_line = defs.str_len()['ion']
len_src = defs.str_len()['Source']
# Load sources to check
sources = arcl_io.load_source_table()
src_files = sources['File'].data
if len(src_files[0]) > len_src:
raise ValueError(
"Source filename now exceeds table. Should fix source name")
dummy_src = str('#') * len_src
# Arc Line name
dummy_line = str('#') * len_line
#
# Dict for Table
idict = OrderedDict()
idict['ion'] = dummy_line
idict['wave'] = 0.
idict['NIST'] = 0
idict['Instr'] = 0 # Flag for instrument
idict['amplitude'] = 0
idict['Source'] = dummy_src
# Table
tkeys = idict.keys()
lst = [[idict[tkey]] for tkey in tkeys]
init_tbl = Table(lst, names=tkeys)
# Return
return init_tbl
def add_instr_source(line_tbl, instr, source_file):
"""
Parameters
----------
tbl
instr
source_file
Returns
-------
Modified in place
"""
str_len_dict = defs.str_len()
# Add instrument flag
line_tbl['Instr'] = defs.instruments()[instr]
# Add source
source = np.array([source_file] * len(line_tbl),
dtype='S{:d}'.format(str_len_dict['Source']))
line_tbl['Source'] = source
import numpy as np
import json
import pdb
from astropy.table import Table
import arclines # For path
src_path = arclines.__path__[0] + '/data/sources/'
from arclines import plots as arcl_plots
from arclines import utils as arcl_utils
# Hard-coded string lengths, and more
from arclines import defs
str_len_dict = defs.str_len()
instr_dict = defs.instruments()
line_dict = defs.lines()
def load(source, **kwargs):
"""
Parameters
----------
src_file
format
Returns
-------
"""