def parseExcludedDetFile(self, instrument, excldetfname):
""" Parse excluded detectors file
Return :: 2 -tuple (list/None, error message)
"""
if instrument.upper() == 'HB2A':
excldetlist, errmsg = hutil.parseDetExclusionFile(excldetfname)
else:
raise NotImplementedError('Instrument %s is not supported for parsing excluded detectors file.'%(instrument))
return excldetlist, errmsg
def parseExcludedDetFile(self, instrument, excldetfname):
""" Parse excluded detectors file
Return :: 2 -tuple (list/None, error message)
"""
if instrument.upper() == 'HB2A':
excldetlist, errmsg = hutil.parseDetExclusionFile(excldetfname)
else:
raise NotImplementedError(
'Instrument %s is not supported for parsing excluded detectors file.'
% (instrument))
return excldetlist, errmsg
def parseDetEffCorrFile(self, instrument, vancorrfname):
""" Parse detector efficiency correction file='HB2A
Return :: 2-tuple (table workspace and or
"""
if instrument.upper() == 'HB2A':
vancorrdict, errmsg = hutil.parseDetEffCorrFile(vancorrfname)
if len(vancorrdict) > 0:
detefftablews = self._generateTableWS(vancorrdict)
else:
detefftablews = None
else:
detefftablews = None
errmsg = "Instrument %s is not supported for parsing vanadium (detector efficiency) correction."
return (detefftablews, errmsg)
def parseDetEffCorrFile(self, instrument, vancorrfname):
""" Parse detector efficiency correction file='HB2A
Return :: 2-tuple (table workspace and or
"""
if instrument.upper() == 'HB2A':
vancorrdict, errmsg = hutil.parseDetEffCorrFile(vancorrfname)
if len(vancorrdict) > 0:
detefftablews = self._generateTableWS(vancorrdict)
else:
detefftablews = None
else:
detefftablews = None
errmsg = "Instrument %s is not supported for parsing vanadium (detector efficiency) correction."
return (detefftablews, errmsg)
def retrieveCorrectionData(self, instrument, exp, scan, localdatadir):
""" Retrieve including dowloading and/or local locating
powder diffraction's correction files
Arguments:
- instrument :: name of powder diffractometer in upper case
- exp :: integer as epxeriment number
- scan :: integer as scan number
Return :: 2-tuple (True, list of returned file names) or (False, error reason)
"""
if instrument.upper() == 'HB2A':
# For HFIR HB2A only
try:
wsmanager = self._myWorkspaceDict[(exp, scan)]
except KeyError as e:
raise e
# Get parameter m1 and colltrans
m1 = self._getValueFromTable(wsmanager.getRawSpiceTable(), 'm1')
colltrans = self._getValueFromTable(wsmanager.getRawSpiceTable(), 'colltrans')
# detector efficiency file
try:
detefffname, deteffurl, wavelength = hutil.makeHB2ADetEfficiencyFileName(exp, m1, colltrans)
except NotImplementedError as e:
raise e
if detefffname is not None:
localdetefffname = os.path.join(localdatadir, detefffname)
print "[DB] Detector efficiency file name: %s From %s" % (detefffname, deteffurl)
if os.path.exists(localdetefffname) is False:
downloadFile(deteffurl, localdetefffname)
else:
print "[Info] Detector efficiency file %s exists in directory %s." % (detefffname, localdatadir)
else:
localdetefffname = None
# ENDIF
# excluded detectors file
excldetfname, exclurl = hutil.makeExcludedDetectorFileName(exp)
localexcldetfname = os.path.join(localdatadir, excldetfname)
print "[DB] Excluded det file name: %s From %s" % (excldetfname, exclurl)
if os.path.exists(localexcldetfname) is False:
downloadstatus, errmsg = downloadFile(exclurl, localexcldetfname)
if downloadstatus is False:
localexcldetfname = None
print "[Error] %s" % (errmsg)
else:
print "[Info] Detector exclusion file %s exists in directory %s." % (excldetfname, localdatadir)
# Set to ws manager
wsmanager.setWavelength(wavelength)
# wsmanager.setDetEfficencyFile()
# wsmanager.setExcludedDetFile()
else:
# Other instruments
raise NotImplementedError("Instrument %s is not supported to retrieve correction file." % (instrument))
return (True, [wavelength, localdetefffname, localexcldetfname])
def retrieveCorrectionData(self, instrument, exp, scan, localdatadir):
""" Retrieve including dowloading and/or local locating
powder diffraction's correction files
Arguments:
- instrument :: name of powder diffractometer in upper case
- exp :: integer as epxeriment number
- scan :: integer as scan number
Return :: 2-tuple (True, list of returned file names) or (False, error reason)
"""
if instrument.upper() == 'HB2A':
# For HFIR HB2A only
try:
wsmanager = self._myWorkspaceDict[(exp, scan)]
except KeyError as e:
raise e
# Get parameter m1 and colltrans
m1 = self._getValueFromTable(wsmanager.getRawSpiceTable(), 'm1')
colltrans = self._getValueFromTable(wsmanager.getRawSpiceTable(),
'colltrans')
# detector efficiency file
try:
detefffname, deteffurl, wavelength = hutil.makeHB2ADetEfficiencyFileName(
exp, m1, colltrans)
except NotImplementedError as e:
raise e
if detefffname is not None:
localdetefffname = os.path.join(localdatadir, detefffname)
print "[DB] Detector efficiency file name: %s From %s" % (
detefffname, deteffurl)
if os.path.exists(localdetefffname) is False:
downloadFile(deteffurl, localdetefffname)
else:
print "[Info] Detector efficiency file %s exists in directory %s." % (
detefffname, localdatadir)
else:
localdetefffname = None
# ENDIF
# excluded detectors file
excldetfname, exclurl = hutil.makeExcludedDetectorFileName(exp)
localexcldetfname = os.path.join(localdatadir, excldetfname)
print "[DB] Excluded det file name: %s From %s" % (excldetfname,
exclurl)
if os.path.exists(localexcldetfname) is False:
downloadstatus, errmsg = downloadFile(exclurl,
localexcldetfname)
if downloadstatus is False:
localexcldetfname = None
print "[Error] %s" % (errmsg)
else:
print "[Info] Detector exclusion file %s exists in directory %s." % (
excldetfname, localdatadir)
# Set to ws manager
wsmanager.setWavelength(wavelength)
# wsmanager.setDetEfficencyFile()
# wsmanager.setExcludedDetFile()
else:
# Other instruments
raise NotImplementedError(
"Instrument %s is not supported to retrieve correction file." %
(instrument))
return (True, [wavelength, localdetefffname, localexcldetfname])
