def init_peak(self,line,guess=True,**kws):
"""
Create a new peak given an xrf line
Parameters:
-----------
* line: Can be either a string representation of the line e.g. 'Mn ka',
'Fe ka', 'Fe kb' (see xrf_lookup.py) or an energy (as float).
* guess: If guess is true the peak amplitude and fwhm will
be estimated
* kws: Passed to peak
"""
# create peak_params dict
peak_params = {}
peak_params.update(kws)
# get energy from line or
# convert line to energy
if type(line)==types.StringType:
line = line.strip()
en = xrf_lookup.lookup_xrf_line(line)
else:
try:
en = float(line)
except:
en = None
if en == None:
print "Error setting energy for line"
return
else:
peak_params['energy'] = en
# create label if not specified
if peak_params.has_key('label') == False:
label = str(line)
label.strip()
peak_params['label']=label
self._init_peak(peak_params=peak_params,guess=guess)
return
def on_XrfLine_select(self, event):
"select an xrf line"
if self.init_xrf_lines == True:
self.init_XrfLineItems()
#print "do update"
return
else:
line = self.components.XrfLine.stringSelection
en = xrf_lookup.lookup_xrf_line(line)
if en:
en = str(en)
else:
en = ''
self.components.PkLbl.text = line
self.components.PkEn.text = en
self.components.PkAmp.text = '0.0'
self.components.PkFWHM.text = '0.0'
self.components.PkEnFlag.stringSelection = '1'
self.components.PkFwhmFlag.stringSelection = '1'
self.components.PkAmpFactor.text = '0.0'
self.components.PkIgnore.checked = False
return
def on_XrfLine_select(self, event):
"select an xrf line"
if self.init_xrf_lines == True:
self.init_XrfLineItems()
#print "do update"
return
else:
line = self.components.XrfLine.stringSelection
en = xrf_lookup.lookup_xrf_line(line)
if en:
en = str(en)
else:
en = ''
self.components.PkLbl.text = line
self.components.PkEn.text = en
self.components.PkAmp.text = '0.0'
self.components.PkFWHM.text = '0.0'
self.components.PkEnFlag.stringSelection = '1'
self.components.PkFwhmFlag.stringSelection = '1'
self.components.PkAmpFactor.text = '0.0'
self.components.PkIgnore.checked = False
return
