本文整理汇总了Python中linetools.spectralline.AbsLine.vpeak方法的典型用法代码示例。如果您正苦于以下问题：Python AbsLine.vpeak方法的具体用法？Python AbsLine.vpeak怎么用？Python AbsLine.vpeak使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类linetools.spectralline.AbsLine的用法示例。
在下文中一共展示了AbsLine.vpeak方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: get_zpeak
# 需要导入模块: from linetools.spectralline import AbsLine [as 别名]
# 或者: from linetools.spectralline.AbsLine import vpeak [as 别名]
def get_zpeak(self):
""" Measure zpeak from an ionic transition
"""
if self.ions is None:
print('get_zpeak: Need to fill ions with get_ions first.')
return
# Ions for analysis
low_ions = [ (14,2), (6,2), (13,2), (26,2), (13,3)] # SiII,CII,AlII,FeII,AlIII
high_ions= [(14,4), (6,4)] # SiIV, CIV
for tt in range(4):
if tt == 0:
ions = low_ions
iflg = 1 # Standard
elif tt == 1:
ions = low_ions
iflg = 2 # Saturated
elif tt == 2:
ions = high_ions
iflg = 1 # Standard
elif tt == 3:
ions = high_ions
iflg = 2 # Standard
else:
raise ValueError('Bad value')
# Search
for ion in ions:
try:
t = self.ions[ion]
except KeyError:
continue
# Measurement?
if t['flag_N'] == iflg:
# Identify the transition
gdi = np.where( (self.ions.trans['Z'] == ion[0]) &
(self.ions.trans['ion'] == ion[1]) &
(self.ions.trans['flag_N'] <= iflg) )[0]
# Take the first one
gdt = self.ions.trans[gdi[0]]
wrest = gdt['wrest']
flgs = self.clm_analy.clm_lines[wrest].analy['FLAGS']
spec_file = self.clm_analy.fits_files[flgs[1] % 64]
# Generate an Abs_Line with spectrum
line = AbsLine(wrest, z=self.clm_analy.zsys, spec_file=spec_file)
# vpeak
from linetools import utils as ltu
vpeak = line.vpeak()
self.zpeak = ltu.z_from_v(self.clm_analy.zsys, vpeak)
if tt == 3:
print('zpeak WARNING: Using saturated high-ions!!')
break
else:
continue
break
# Error catching
if self.zpeak is None:
# Skip primordial LLS
print('lls.zpeak: No transition in {:s}'.format(self.clm_analy.clm_fil))
return (0,0), 0.
# Return
return ion, vpeak