def Refine(GPXfile,dlg=None,makeBack=True,refPlotUpdate=None):
'Global refinement -- refines to minimize against all histograms'
import GSASIImpsubs as G2mp
G2mp.InitMP()
import pytexture as ptx
ptx.pyqlmninit() #initialize fortran arrays for spherical harmonics
printFile = open(ospath.splitext(GPXfile)[0]+'.lst','w')
G2stIO.ShowBanner(printFile)
varyList = []
parmDict = {}
G2mv.InitVars()
Controls = G2stIO.GetControls(GPXfile)
G2stIO.ShowControls(Controls,printFile)
calcControls = {}
calcControls.update(Controls)
constrDict,fixedList = G2stIO.GetConstraints(GPXfile)
restraintDict = G2stIO.GetRestraints(GPXfile)
Histograms,Phases = G2stIO.GetUsedHistogramsAndPhases(GPXfile)
if not Phases:
G2fil.G2Print (' *** ERROR - you have no phases to refine! ***')
G2fil.G2Print (' *** Refine aborted ***')
return False,'No phases'
if not Histograms:
G2fil.G2Print (' *** ERROR - you have no data to refine with! ***')
G2fil.G2Print (' *** Refine aborted ***')
return False,'No data'
rigidbodyDict = G2stIO.GetRigidBodies(GPXfile)
rbIds = rigidbodyDict.get('RBIds',{'Vector':[],'Residue':[]})
rbVary,rbDict = G2stIO.GetRigidBodyModels(rigidbodyDict,pFile=printFile)
(Natoms,atomIndx,phaseVary,phaseDict,pawleyLookup,FFtables,BLtables,MFtables,
maxSSwave) = G2stIO.GetPhaseData(Phases,restraintDict,rbIds,pFile=printFile)
calcControls['atomIndx'] = atomIndx
calcControls['Natoms'] = Natoms
calcControls['FFtables'] = FFtables
calcControls['BLtables'] = BLtables
calcControls['MFtables'] = MFtables
calcControls['maxSSwave'] = maxSSwave
hapVary,hapDict,controlDict = G2stIO.GetHistogramPhaseData(Phases,Histograms,pFile=printFile)
TwConstr,TwFixed = G2stIO.makeTwinFrConstr(Phases,Histograms,hapVary)
constrDict += TwConstr
fixedList += TwFixed
calcControls.update(controlDict)
histVary,histDict,controlDict = G2stIO.GetHistogramData(Histograms,pFile=printFile)
calcControls.update(controlDict)
varyList = rbVary+phaseVary+hapVary+histVary
parmDict.update(rbDict)
parmDict.update(phaseDict)
parmDict.update(hapDict)
parmDict.update(histDict)
G2stIO.GetFprime(calcControls,Histograms)
# do constraint processing
varyListStart = tuple(varyList) # save the original varyList before dependent vars are removed
msg = G2mv.EvaluateMultipliers(constrDict,parmDict)
if msg:
return False,'Unable to interpret multiplier(s): '+msg
try:
G2mv.GenerateConstraints(varyList,constrDict,fixedList,parmDict)
#print(G2mv.VarRemapShow(varyList))
#print('DependentVars',G2mv.GetDependentVars())
#print('IndependentVars',G2mv.GetIndependentVars())
except G2mv.ConstraintException:
G2fil.G2Print (' *** ERROR - your constraints are internally inconsistent ***')
#errmsg, warnmsg = G2mv.CheckConstraints(varyList,constrDict,fixedList)
#print 'Errors',errmsg
#if warnmsg: print 'Warnings',warnmsg
return False,' Constraint error'
# print G2mv.VarRemapShow(varyList)
ifSeq = False
printFile.write('\n Refinement results:\n')
printFile.write(135*'-'+'\n')
try:
covData = {}
IfOK,Rvals,result,covMatrix,sig = RefineCore(Controls,Histograms,Phases,restraintDict,
rigidbodyDict,parmDict,varyList,calcControls,pawleyLookup,ifSeq,printFile,dlg,
refPlotUpdate=refPlotUpdate)
if IfOK:
sigDict = dict(zip(varyList,sig))
newCellDict = G2stMth.GetNewCellParms(parmDict,varyList)
newAtomDict = G2stMth.ApplyXYZshifts(parmDict,varyList)
covData = {'variables':result[0],'varyList':varyList,'sig':sig,'Rvals':Rvals,
'varyListStart':varyListStart,
'covMatrix':covMatrix,'title':GPXfile,'newAtomDict':newAtomDict,
'newCellDict':newCellDict,'freshCOV':True}
# add the uncertainties into the esd dictionary (sigDict)
sigDict.update(G2mv.ComputeDepESD(covMatrix,varyList,parmDict))
G2mv.PrintIndependentVars(parmDict,varyList,sigDict,pFile=printFile)
G2stMth.ApplyRBModels(parmDict,Phases,rigidbodyDict,True)
G2stIO.SetRigidBodyModels(parmDict,sigDict,rigidbodyDict,printFile)
G2stIO.SetPhaseData(parmDict,sigDict,Phases,rbIds,covData,restraintDict,printFile)
G2stIO.SetHistogramPhaseData(parmDict,sigDict,Phases,Histograms,calcControls['FFtables'],pFile=printFile)
G2stIO.SetHistogramData(parmDict,sigDict,Histograms,calcControls['FFtables'],pFile=printFile)
G2stIO.SetUsedHistogramsAndPhases(GPXfile,Histograms,Phases,rigidbodyDict,covData,makeBack)
printFile.close()
G2fil.G2Print (' Refinement results are in file: '+ospath.splitext(GPXfile)[0]+'.lst')
G2fil.G2Print (' ***** Refinement successful *****')
else:
G2fil.G2Print ('****ERROR - Refinement failed')
raise G2obj.G2Exception('****ERROR - Refinement failed')
except G2obj.G2RefineCancel as Msg:
printFile.close()
G2fil.G2Print (' ***** Refinement stopped *****')
return False,Msg.msg
except G2obj.G2Exception as Msg: # cell metric error, others?
printFile.close()
G2fil.G2Print (' ***** Refinement error *****')
return False,Msg.msg
#for testing purposes, create a file for testderiv
if GSASIIpath.GetConfigValue('debug'): # and IfOK:
#needs: values,HistoPhases,parmDict,varylist,calcControls,pawleyLookup
fl = open(ospath.splitext(GPXfile)[0]+'.testDeriv','wb')
cPickle.dump(result[0],fl,1)
cPickle.dump([Histograms,Phases,restraintDict,rigidbodyDict],fl,1)
cPickle.dump([constrDict,fixedList,G2mv.GetDependentVars()],fl,1)
cPickle.dump(parmDict,fl,1)
cPickle.dump(varyList,fl,1)
cPickle.dump(calcControls,fl,1)
cPickle.dump(pawleyLookup,fl,1)
fl.close()
if dlg:
return True,Rvals
def Refine(GPXfile,dlg):
'Global refinement -- refines to minimize against all histograms'
import pytexture as ptx
ptx.pyqlmninit() #initialize fortran arrays for spherical harmonics
printFile = open(ospath.splitext(GPXfile)[0]+'.lst','w')
G2stIO.ShowBanner(printFile)
varyList = []
parmDict = {}
G2mv.InitVars()
Controls = G2stIO.GetControls(GPXfile)
G2stIO.ShowControls(Controls,printFile)
calcControls = {}
calcControls.update(Controls)
constrDict,fixedList = G2stIO.GetConstraints(GPXfile)
restraintDict = G2stIO.GetRestraints(GPXfile)
Histograms,Phases = G2stIO.GetUsedHistogramsAndPhases(GPXfile)
if not Phases:
print ' *** ERROR - you have no phases to refine! ***'
print ' *** Refine aborted ***'
return False,'No phases'
if not Histograms:
print ' *** ERROR - you have no data to refine with! ***'
print ' *** Refine aborted ***'
return False,'No data'
rigidbodyDict = G2stIO.GetRigidBodies(GPXfile)
rbIds = rigidbodyDict.get('RBIds',{'Vector':[],'Residue':[]})
rbVary,rbDict = G2stIO.GetRigidBodyModels(rigidbodyDict,pFile=printFile)
Natoms,atomIndx,phaseVary,phaseDict,pawleyLookup,FFtables,BLtables,maxSSwave = G2stIO.GetPhaseData(Phases,restraintDict,rbIds,pFile=printFile)
calcControls['atomIndx'] = atomIndx
calcControls['Natoms'] = Natoms
calcControls['FFtables'] = FFtables
calcControls['BLtables'] = BLtables
calcControls['maxSSwave'] = maxSSwave
hapVary,hapDict,controlDict = G2stIO.GetHistogramPhaseData(Phases,Histograms,pFile=printFile)
calcControls.update(controlDict)
histVary,histDict,controlDict = G2stIO.GetHistogramData(Histograms,pFile=printFile)
calcControls.update(controlDict)
varyList = rbVary+phaseVary+hapVary+histVary
parmDict.update(rbDict)
parmDict.update(phaseDict)
parmDict.update(hapDict)
parmDict.update(histDict)
G2stIO.GetFprime(calcControls,Histograms)
# do constraint processing
varyListStart = tuple(varyList) # save the original varyList before dependent vars are removed
try:
groups,parmlist = G2mv.GroupConstraints(constrDict)
G2mv.GenerateConstraints(groups,parmlist,varyList,constrDict,fixedList,parmDict)
#print G2mv.VarRemapShow(varyList)
#print 'DependentVars',G2mv.GetDependentVars()
#print 'IndependentVars',G2mv.GetIndependentVars()
except:
print ' *** ERROR - your constraints are internally inconsistent ***'
#errmsg, warnmsg = G2mv.CheckConstraints(varyList,constrDict,fixedList)
#print 'Errors',errmsg
#if warnmsg: print 'Warnings',warnmsg
return False,' Constraint error'
# print G2mv.VarRemapShow(varyList)
ifPrint = True
print >>printFile,'\n Refinement results:'
print >>printFile,135*'-'
try:
IfOK,Rvals,result,covMatrix,sig = RefineCore(Controls,Histograms,Phases,restraintDict,
rigidbodyDict,parmDict,varyList,calcControls,pawleyLookup,ifPrint,printFile,dlg)
sigDict = dict(zip(varyList,sig))
newCellDict = G2stMth.GetNewCellParms(parmDict,varyList)
newAtomDict = G2stMth.ApplyXYZshifts(parmDict,varyList)
covData = {'variables':result[0],'varyList':varyList,'sig':sig,'Rvals':Rvals,
'varyListStart':varyListStart,
'covMatrix':covMatrix,'title':GPXfile,'newAtomDict':newAtomDict,
'newCellDict':newCellDict,'freshCOV':True}
# add the uncertainties into the esd dictionary (sigDict)
sigDict.update(G2mv.ComputeDepESD(covMatrix,varyList,parmDict))
G2mv.PrintIndependentVars(parmDict,varyList,sigDict,pFile=printFile)
G2stMth.ApplyRBModels(parmDict,Phases,rigidbodyDict,True)
G2stIO.SetRigidBodyModels(parmDict,sigDict,rigidbodyDict,printFile)
G2stIO.SetPhaseData(parmDict,sigDict,Phases,rbIds,covData,restraintDict,printFile)
G2stIO.SetHistogramPhaseData(parmDict,sigDict,Phases,Histograms,calcControls['FFtables'],pFile=printFile)
G2stIO.SetHistogramData(parmDict,sigDict,Histograms,calcControls['FFtables'],pFile=printFile)
G2stIO.SetUsedHistogramsAndPhases(GPXfile,Histograms,Phases,rigidbodyDict,covData)
printFile.close()
print ' Refinement results are in file: '+ospath.splitext(GPXfile)[0]+'.lst'
print ' ***** Refinement successful *****'
except G2obj.G2Exception,Msg:
printFile.close()
return False,Msg.msg
def SeqRefine(GPXfile,dlg):
'''Perform a sequential refinement -- cycles through all selected histgrams,
one at a time
'''
import pytexture as ptx
ptx.pyqlmninit() #initialize fortran arrays for spherical harmonics
printFile = open(ospath.splitext(GPXfile)[0]+'.lst','w')
print 'Starting Sequential Refinement'
G2stIO.ShowBanner(printFile)
Controls = G2stIO.GetControls(GPXfile)
G2stIO.ShowControls(Controls,printFile,SeqRef=True)
restraintDict = G2stIO.GetRestraints(GPXfile)
Histograms,Phases = G2stIO.GetUsedHistogramsAndPhases(GPXfile)
if not Phases:
print ' *** ERROR - you have no phases to refine! ***'
print ' *** Refine aborted ***'
return False,'No phases'
if not Histograms:
print ' *** ERROR - you have no data to refine with! ***'
print ' *** Refine aborted ***'
return False,'No data'
rigidbodyDict = G2stIO.GetRigidBodies(GPXfile)
rbIds = rigidbodyDict.get('RBIds',{'Vector':[],'Residue':[]})
rbVary,rbDict = G2stIO.GetRigidBodyModels(rigidbodyDict,pFile=printFile)
Natoms,atomIndx,phaseVary,phaseDict,pawleyLookup,FFtables,BLtables,maxSSwave = G2stIO.GetPhaseData(Phases,restraintDict,rbIds,False,printFile,seqRef=True)
for item in phaseVary:
if '::A0' in item:
print '**** WARNING - lattice parameters should not be refined in a sequential refinement ****'
print '**** instead use the Dij parameters for each powder histogram ****'
return False,'Lattice parameter refinement error - see console message'
if '::C(' in item:
print '**** WARNING - phase texture parameters should not be refined in a sequential refinement ****'
print '**** instead use the C(L,N) parameters for each powder histogram ****'
return False,'Phase texture refinement error - see console message'
if 'Seq Data' in Controls:
histNames = Controls['Seq Data']
else:
histNames = G2stIO.GetHistogramNames(GPXfile,['PWDR',])
if 'Reverse Seq' in Controls:
if Controls['Reverse Seq']:
histNames.reverse()
SeqResult = {'histNames':histNames}
makeBack = True
Histo = {}
NewparmDict = {}
for ihst,histogram in enumerate(histNames):
print('Refining with '+str(histogram))
ifPrint = False
if dlg:
dlg.SetTitle('Residual for histogram '+str(ihst))
calcControls = {}
calcControls['atomIndx'] = atomIndx
calcControls['Natoms'] = Natoms
calcControls['FFtables'] = FFtables
calcControls['BLtables'] = BLtables
calcControls['maxSSwave'] = maxSSwave
Histo = {histogram:Histograms[histogram],}
hapVary,hapDict,controlDict = G2stIO.GetHistogramPhaseData(Phases,Histo,Print=False)
calcControls.update(controlDict)
histVary,histDict,controlDict = G2stIO.GetHistogramData(Histo,False)
calcControls.update(controlDict)
varyList = rbVary+phaseVary+hapVary+histVary
if not ihst:
# save the initial vary list, but without histogram numbers on parameters
saveVaryList = varyList[:]
for i,item in enumerate(saveVaryList):
items = item.split(':')
if items[1]:
items[1] = ''
item = ':'.join(items)
saveVaryList[i] = item
SeqResult['varyList'] = saveVaryList
origvaryList = varyList[:]
parmDict = {}
parmDict.update(phaseDict)
parmDict.update(hapDict)
parmDict.update(histDict)
if Controls['Copy2Next']:
parmDict.update(NewparmDict)
G2stIO.GetFprime(calcControls,Histo)
# do constraint processing
#reload(G2mv) # debug
G2mv.InitVars()
constrDict,fixedList = G2stIO.GetConstraints(GPXfile)
varyListStart = tuple(varyList) # save the original varyList before dependent vars are removed
try:
groups,parmlist = G2mv.GroupConstraints(constrDict)
G2mv.GenerateConstraints(groups,parmlist,varyList,constrDict,fixedList,parmDict,SeqHist=ihst)
constraintInfo = (groups,parmlist,constrDict,fixedList,ihst)
except:
print ' *** ERROR - your constraints are internally inconsistent ***'
#errmsg, warnmsg = G2mv.CheckConstraints(varyList,constrDict,fixedList)
#print 'Errors',errmsg
#if warnmsg: print 'Warnings',warnmsg
return False,' Constraint error'
#print G2mv.VarRemapShow(varyList)
if not ihst:
# first histogram to refine against
firstVaryList = []
for item in varyList:
items = item.split(':')
if items[1]:
items[1] = ''
item = ':'.join(items)
firstVaryList.append(item)
newVaryList = firstVaryList
else:
newVaryList = []
for item in varyList:
items = item.split(':')
if items[1]:
items[1] = ''
item = ':'.join(items)
newVaryList.append(item)
if newVaryList != firstVaryList and Controls['Copy2Next']:
# variable lists are expected to match between sequential refinements when Copy2Next is on
print '**** ERROR - variable list for this histogram does not match previous'
print ' Copy of variables is not possible'
print '\ncurrent histogram',histogram,'has',len(newVaryList),'variables'
combined = list(set(firstVaryList+newVaryList))
c = [var for var in combined if var not in newVaryList]
p = [var for var in combined if var not in firstVaryList]
line = 'Variables in previous but not in current: '
if c:
for var in c:
if len(line) > 100:
print line
line = ' '
line += var + ', '
else:
line += 'none'
print line
print '\nPrevious refinement has',len(firstVaryList),'variables'
line = 'Variables in current but not in previous: '
if p:
for var in p:
if len(line) > 100:
print line
line = ' '
line += var + ', '
else:
line += 'none'
print line
return False,line
ifPrint = False
print >>printFile,'\n Refinement results for histogram: v'+histogram
print >>printFile,135*'-'
try:
IfOK,Rvals,result,covMatrix,sig = RefineCore(Controls,Histo,Phases,restraintDict,
rigidbodyDict,parmDict,varyList,calcControls,pawleyLookup,ifPrint,printFile,dlg)
print ' wR = %7.2f%%, chi**2 = %12.6g, reduced chi**2 = %6.2f, last delta chi = %.4f'%(
Rvals['Rwp'],Rvals['chisq'],Rvals['GOF']**2,Rvals['DelChi2'])
# add the uncertainties into the esd dictionary (sigDict)
sigDict = dict(zip(varyList,sig))
# the uncertainties for dependent constrained parms into the esd dict
sigDict.update(G2mv.ComputeDepESD(covMatrix,varyList,parmDict))
# a dict with values & esds for dependent (constrained) parameters
depParmDict = {i:(parmDict[i],sigDict[i]) for i in varyListStart
if i not in varyList}
newCellDict = copy.deepcopy(G2stMth.GetNewCellParms(parmDict,varyList))
newAtomDict = copy.deepcopy(G2stMth.ApplyXYZshifts(parmDict,varyList))
histRefData = {
'variables':result[0],'varyList':varyList,'sig':sig,'Rvals':Rvals,
'varyListStart':varyListStart,
'covMatrix':covMatrix,'title':histogram,'newAtomDict':newAtomDict,
'newCellDict':newCellDict,'depParmDict':depParmDict,
'constraintInfo':constraintInfo,
'parmDict':parmDict}
SeqResult[histogram] = histRefData
G2stMth.ApplyRBModels(parmDict,Phases,rigidbodyDict,True)
# G2stIO.SetRigidBodyModels(parmDict,sigDict,rigidbodyDict,printFile)
G2stIO.SetHistogramPhaseData(parmDict,sigDict,Phases,Histo,None,ifPrint,printFile)
G2stIO.SetHistogramData(parmDict,sigDict,Histo,None,ifPrint,printFile)
G2stIO.SetUsedHistogramsAndPhases(GPXfile,Histo,Phases,rigidbodyDict,histRefData,makeBack)
makeBack = False
NewparmDict = {}
# make dict of varied parameters in current histogram, renamed to
# next histogram, for use in next refinement.
if Controls['Copy2Next'] and ihst < len(histNames)-1:
hId = Histo[histogram]['hId'] # current histogram
nexthId = Histograms[histNames[ihst+1]]['hId']
for parm in set(list(varyList)+list(varyListStart)):
items = parm.split(':')
if len(items) < 3: continue
if str(hId) in items[1]:
items[1] = str(nexthId)
newparm = ':'.join(items)
NewparmDict[newparm] = parmDict[parm]
except G2obj.G2Exception,Msg:
printFile.close()
print ' ***** Refinement aborted *****'
return False,Msg.msg
def SeqRefine(GPXfile, dlg, PlotFunction=None, G2frame=None):
'''Perform a sequential refinement -- cycles through all selected histgrams,
one at a time
'''
import GSASIImpsubs as G2mp
G2mp.InitMP()
import pytexture as ptx
ptx.pyqlmninit() #initialize fortran arrays for spherical harmonics
printFile = open(ospath.splitext(GPXfile)[0] + '.lst', 'w')
print('Starting Sequential Refinement')
G2stIO.ShowBanner(printFile)
Controls = G2stIO.GetControls(GPXfile)
G2stIO.ShowControls(Controls, printFile, SeqRef=True)
restraintDict = G2stIO.GetRestraints(GPXfile)
Histograms, Phases = G2stIO.GetUsedHistogramsAndPhases(GPXfile)
if not Phases:
print(' *** ERROR - you have no phases to refine! ***')
print(' *** Refine aborted ***')
return False, 'No phases'
if not Histograms:
print(' *** ERROR - you have no data to refine with! ***')
print(' *** Refine aborted ***')
return False, 'No data'
rigidbodyDict = G2stIO.GetRigidBodies(GPXfile)
rbIds = rigidbodyDict.get('RBIds', {'Vector': [], 'Residue': []})
rbVary, rbDict = G2stIO.GetRigidBodyModels(rigidbodyDict, pFile=printFile)
Natoms,atomIndx,phaseVary,phaseDict,pawleyLookup,FFtables,BLtables,MFtables,maxSSwave = \
G2stIO.GetPhaseData(Phases,restraintDict,rbIds,False,printFile,seqRef=True)
for item in phaseVary:
if '::A0' in item:
print(
'**** WARNING - lattice parameters should not be refined in a sequential refinement ****'
)
print(
'**** instead use the Dij parameters for each powder histogram ****'
)
return False, 'Lattice parameter refinement error - see console message'
if '::C(' in item:
print(
'**** WARNING - phase texture parameters should not be refined in a sequential refinement ****'
)
print(
'**** instead use the C(L,N) parameters for each powder histogram ****'
)
return False, 'Phase texture refinement error - see console message'
if 'Seq Data' in Controls:
histNames = Controls['Seq Data']
else:
histNames = G2stIO.GetHistogramNames(GPXfile, [
'PWDR',
])
if Controls.get('Reverse Seq'):
histNames.reverse()
SeqResult = G2stIO.GetSeqResult(GPXfile)
# SeqResult = {'SeqPseudoVars':{},'SeqParFitEqList':[]}
makeBack = True
Histo = {}
NewparmDict = {}
for ihst, histogram in enumerate(histNames):
print('\nRefining with ' + str(histogram))
ifPrint = False
if dlg:
dlg.SetTitle('Residual for histogram ' + str(ihst))
calcControls = {}
calcControls['atomIndx'] = atomIndx
calcControls['Natoms'] = Natoms
calcControls['FFtables'] = FFtables
calcControls['BLtables'] = BLtables
calcControls['MFtables'] = MFtables
calcControls['maxSSwave'] = maxSSwave
if histogram not in Histograms:
print("Error: not found!")
continue
#TODO - implement "Fix FXU" for seq refinement here - done?
hId = Histograms[histogram]['hId']
redphaseVary = phaseCheck(phaseVary, Phases, histogram)
Histo = {
histogram: Histograms[histogram],
}
hapVary, hapDict, controlDict = G2stIO.GetHistogramPhaseData(
Phases, Histo, Print=False)
calcControls.update(controlDict)
histVary, histDict, controlDict = G2stIO.GetHistogramData(Histo, False)
calcControls.update(controlDict)
varyList = rbVary + redphaseVary + hapVary + histVary
# if not ihst:
# save the initial vary list, but without histogram numbers on parameters
saveVaryList = varyList[:]
for i, item in enumerate(saveVaryList):
items = item.split(':')
if items[1]:
items[1] = ''
item = ':'.join(items)
saveVaryList[i] = item
if not ihst:
SeqResult['varyList'] = saveVaryList
else:
SeqResult['varyList'] = list(
set(SeqResult['varyList'] + saveVaryList))
parmDict = {}
parmDict.update(phaseDict)
parmDict.update(hapDict)
parmDict.update(histDict)
if Controls['Copy2Next']:
#parmDict.update(NewparmDict) # don't use in case extra entries would cause a problem
for parm in NewparmDict:
if parm in parmDict:
parmDict[parm] = NewparmDict[parm]
G2stIO.GetFprime(calcControls, Histo)
# do constraint processing
#reload(G2mv) # debug
G2mv.InitVars()
constrDict, fixedList = G2stIO.GetConstraints(GPXfile)
varyListStart = tuple(
varyList
) # save the original varyList before dependent vars are removed
try:
groups, parmlist = G2mv.GroupConstraints(constrDict)
G2mv.GenerateConstraints(groups,
parmlist,
varyList,
constrDict,
fixedList,
parmDict,
SeqHist=hId)
# if GSASIIpath.GetConfigValue('debug'): print("DBG_"+
# G2mv.VarRemapShow(varyList,True))
constraintInfo = (groups, parmlist, constrDict, fixedList, ihst)
except G2mv.ConstraintException:
print(
' *** ERROR - your constraints are internally inconsistent ***'
)
#errmsg, warnmsg = G2mv.CheckConstraints(varyList,constrDict,fixedList)
#print 'Errors',errmsg
#if warnmsg: print 'Warnings',warnmsg
return False, ' Constraint error'
#print G2mv.VarRemapShow(varyList)
if not ihst:
# first histogram to refine against
firstVaryList = []
for item in varyList:
items = item.split(':')
if items[1]:
items[1] = ''
item = ':'.join(items)
firstVaryList.append(item)
newVaryList = firstVaryList
else:
newVaryList = []
for item in varyList:
items = item.split(':')
if items[1]:
items[1] = ''
item = ':'.join(items)
newVaryList.append(item)
if newVaryList != firstVaryList and Controls['Copy2Next']:
# variable lists are expected to match between sequential refinements when Copy2Next is on
#print '**** ERROR - variable list for this histogram does not match previous'
#print ' Copy of variables is not possible'
#print '\ncurrent histogram',histogram,'has',len(newVaryList),'variables'
combined = list(set(firstVaryList + newVaryList))
c = [var for var in combined if var not in newVaryList]
p = [var for var in combined if var not in firstVaryList]
print('*** Variables change ***')
for typ, vars in [('Removed', c), ('Added', p)]:
line = ' ' + typ + ': '
if vars:
for var in vars:
if len(line) > 70:
print(line)
line = ' '
line += var + ', '
else:
line += 'none, '
print(line[:-2])
firstVaryList = newVaryList
ifSeq = True
printFile.write('\n Refinement results for histogram: %s\n' %
histogram)
printFile.write(135 * '-' + '\n')
if True:
# try:
IfOK, Rvals, result, covMatrix, sig = RefineCore(
Controls, Histo, Phases, restraintDict, rigidbodyDict,
parmDict, varyList, calcControls, pawleyLookup, ifSeq,
printFile, dlg)
if PlotFunction:
PlotFunction(G2frame, Histo[histogram]['Data'], histogram)
print(
' wR = %7.2f%%, chi**2 = %12.6g, reduced chi**2 = %6.2f, last delta chi = %.4f'
% (Rvals['Rwp'], Rvals['chisq'], Rvals['GOF']**
2, Rvals['DelChi2']))
# add the uncertainties into the esd dictionary (sigDict)
if not IfOK:
print('***** Sequential refinement failed at histogram ' +
histogram)
break
sigDict = dict(zip(varyList, sig))
# the uncertainties for dependent constrained parms into the esd dict
sigDict.update(G2mv.ComputeDepESD(covMatrix, varyList, parmDict))
# a dict with values & esds for dependent (constrained) parameters - avoid extraneous holds
depParmDict = {
i: (parmDict[i], sigDict[i])
for i in varyListStart if i in sigDict and i not in varyList
}
newCellDict = copy.deepcopy(
G2stMth.GetNewCellParms(parmDict, varyList))
newAtomDict = copy.deepcopy(
G2stMth.ApplyXYZshifts(parmDict, varyList))
histRefData = {
'variables': result[0],
'varyList': varyList,
'sig': sig,
'Rvals': Rvals,
'varyListStart': varyListStart,
'covMatrix': covMatrix,
'title': histogram,
'newAtomDict': newAtomDict,
'newCellDict': newCellDict,
'depParmDict': depParmDict,
'constraintInfo': constraintInfo,
'parmDict': parmDict
}
SeqResult[histogram] = histRefData
G2stMth.ApplyRBModels(parmDict, Phases, rigidbodyDict, True)
# G2stIO.SetRigidBodyModels(parmDict,sigDict,rigidbodyDict,printFile)
G2stIO.SetHistogramPhaseData(parmDict, sigDict, Phases, Histo,
None, ifPrint, printFile)
G2stIO.SetHistogramData(parmDict, sigDict, Histo, None, ifPrint,
printFile)
G2stIO.SetUsedHistogramsAndPhases(GPXfile, Histo, Phases,
rigidbodyDict, histRefData,
makeBack)
makeBack = False
NewparmDict = {}
# make dict of varied parameters in current histogram, renamed to
# next histogram, for use in next refinement.
if Controls['Copy2Next'] and ihst < len(histNames) - 1:
hId = Histo[histogram]['hId'] # current histogram
nexthId = Histograms[histNames[ihst + 1]]['hId']
for parm in set(list(varyList) + list(varyListStart)):
items = parm.split(':')
if len(items) < 3: continue
if str(hId) in items[1]:
items[1] = str(nexthId)
newparm = ':'.join(items)
NewparmDict[newparm] = parmDict[parm]
# except G2obj.G2Exception(Msg):
# printFile.close()
# print (' ***** Refinement aborted *****')
# return False,Msg.msg
SeqResult['histNames'] = [
itm for itm in G2stIO.GetHistogramNames(GPXfile, [
'PWDR',
]) if itm in SeqResult.keys()
]
G2stIO.SetSeqResult(GPXfile, Histograms, SeqResult)
printFile.close()
print(' Sequential refinement results are in file: ' +
ospath.splitext(GPXfile)[0] + '.lst')
print(' ***** Sequential refinement successful *****')
return True, 'Success'