/usr/lib/python2.7/dist-packages/PyMca/KShell.py is in pymca 4.7.1+dfsg-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# Copyright (C) 2004-2012 European Synchrotron Radiation Facility
#
# This file is part of the PyMca X-ray Fluorescence Toolkit developed at
# the ESRF by the Software group.
#
# This toolkit is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the Free
# Software Foundation; either version 2 of the License, or (at your option)
# any later version.
#
# PyMca is distributed in the hope that it will be useful, but WITHOUT ANY
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
# details.
#
# You should have received a copy of the GNU General Public License along with
# PyMca; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
# PyMca follows the dual licensing model of Riverbank's PyQt and cannot be
# used as a free plugin for a non-free program.
#
# Please contact the ESRF industrial unit (industry@esrf.fr) if this license
# is a problem for you.
#############################################################################*/
__revision__ = "$Revision: 1.5 $"
import os
import numpy
try:
from PyMca import specfile
except ImportError:
#this is needed for frozen versions
print("KShell.py is importing specfile from local directory")
import specfile
from PyMca import PyMcaDataDir
dirname = PyMcaDataDir.PYMCA_DATA_DIR
inputfile = os.path.join(dirname, "KShellRates.dat")
if not os.path.exists(inputfile):
dirname = os.path.dirname(dirname)
inputfile = os.path.join(dirname, "KShellRates.dat")
if not os.path.exists(inputfile):
if dirname.lower().endswith(".zip"):
dirname = os.path.dirname(dirname)
inputfile = os.path.join(dirname, "KShellRates.dat")
if not os.path.exists(inputfile):
print("Cannot find inputfile ",inputfile)
raise IOError("Cannot find KShellRates.dat file")
sf=specfile.Specfile(os.path.join(dirname, "KShellRates.dat"))
ElementKShellTransitions = sf[0].alllabels()
ElementKShellRates = numpy.transpose(sf[0].data()).tolist()
ElementKAlphaTransitions = []
ElementKBetaTransitions = []
for transition in ElementKShellTransitions:
if transition[0] == 'K':
if transition[1] == 'L':
ElementKAlphaTransitions.append(transition)
else:
ElementKBetaTransitions.append(transition)
elif transition[0] == 'Z':
ElementKAlphaTransitions.append(transition)
ElementKBetaTransitions.append(transition)
else:
#TOTAL column meaningless
pass
filedata = sf[0].data()
ndata = sf[0].lines()
ElementKAlphaRates = filedata[0] * 1
ElementKAlphaRates.shape = [ndata, 1]
ElementKBetaRates = filedata[0] * 1
ElementKBetaRates.shape = [ndata, 1]
for transition in ElementKAlphaTransitions:
if transition[0] != 'Z':
data = filedata[ElementKShellTransitions.index(transition)] * 1
data.shape = [ndata, 1]
ElementKAlphaRates = numpy.concatenate((ElementKAlphaRates, data),
axis = 1)
for transition in ElementKBetaTransitions:
if transition[0] != 'Z':
data = filedata[ElementKShellTransitions.index(transition)] * 1
data.shape = [ndata, 1]
ElementKBetaRates = numpy.concatenate((ElementKBetaRates, data),
axis = 1)
for i in range(len(ElementKAlphaTransitions)):
if ElementKAlphaTransitions[i] != 'Z':
ElementKAlphaTransitions[i] = ElementKAlphaTransitions[i] + "a"
for i in range(len(ElementKBetaTransitions)):
if ElementKBetaTransitions[i] != 'Z':
ElementKBetaTransitions[i] = ElementKBetaTransitions[i] + "b"
ElementKAlphaRates = ElementKAlphaRates.tolist()
ElementKBetaRates = ElementKBetaRates.tolist()
sf=specfile.Specfile(os.path.join(dirname, "KShellConstants.dat"))
ElementKShellConstants = sf[0].alllabels()
ElementKShellValues = numpy.transpose(sf[0].data()).tolist()
sf=None
Elements = ['H', 'He',
'Li', 'Be', 'B', 'C', 'N', 'O', 'F', 'Ne',
'Na', 'Mg', 'Al', 'Si', 'P', 'S', 'Cl', 'Ar',
'K', 'Ca', 'Sc', 'Ti', 'V', 'Cr', 'Mn', 'Fe',
'Co', 'Ni', 'Cu', 'Zn', 'Ga', 'Ge', 'As', 'Se',
'Br', 'Kr', 'Rb', 'Sr', 'Y', 'Zr', 'Nb', 'Mo',
'Tc', 'Ru', 'Rh', 'Pd', 'Ag', 'Cd', 'In', 'Sn',
'Sb', 'Te', 'I', 'Xe', 'Cs', 'Ba', 'La', 'Ce',
'Pr', 'Nd', 'Pm', 'Sm', 'Eu', 'Gd', 'Tb', 'Dy',
'Ho', 'Er', 'Tm', 'Yb', 'Lu', 'Hf', 'Ta', 'W',
'Re', 'Os', 'Ir', 'Pt', 'Au', 'Hg', 'Tl', 'Pb',
'Bi', 'Po', 'At', 'Rn', 'Fr', 'Ra', 'Ac', 'Th',
'Pa', 'U', 'Np', 'Pu', 'Am', 'Cm', 'Bk', 'Cf',
'Es', 'Fm', 'Md', 'No', 'Lr', 'Rf', 'Db', 'Sg',
'Bh', 'Hs', 'Mt']
def getsymbol(z):
return Elements[z-1]
def getz(ele):
return Elements.index(ele)+1
#fluorescence yields
def getomegak(ele):
index = ElementKShellConstants.index('omegaK')
return ElementKShellValues[getz(ele)-1][index]
#Jump ratios following Veigele: Atomic Data Tables 5 (1973) 51-111. p 54 and 55
def getjk(z):
return (125.0/z) + 3.5
if __name__ == "__main__":
import sys
if len(sys.argv) > 1:
ele = sys.argv[1]
if ele in Elements:
z = getz(ele)
print("Atomic Number = ",z)
print("K-shell yield = ",getomegak(ele))
print("K-shell jump = ",getjk(z))
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