def SeqRefine(GPXfile,dlg,refPlotUpdate=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') G2fil.G2Print ('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: 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) G2mv.InitVars() (Natoms,atomIndx,phaseVary,phaseDict,pawleyLookup,FFtables,BLtables,MFtables, maxSSwave) = G2stIO.GetPhaseData(Phases,restraintDict,rbIds, Print=False,pFile=printFile,seqRef=True) for item in phaseVary: if '::A0' in item: G2fil.G2Print ('**** WARNING - lattice parameters should not be refined in a sequential refinement ****') G2fil.G2Print ('**** instead use the Dij parameters for each powder histogram ****') return False,'Lattice parameter refinement error - see console message' if '::C(' in item: G2fil.G2Print ('**** WARNING - phase texture parameters should not be refined in a sequential refinement ****') G2fil.G2Print ('**** 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: # patch from before Controls['Seq Data'] was implemented? histNames = G2stIO.GetHistogramNames(GPXfile,['PWDR',]) if Controls.get('Reverse Seq'): histNames.reverse() SeqResult = G2stIO.GetSeqResult(GPXfile) # SeqResult = {'SeqPseudoVars':{},'SeqParFitEqList':[]} Histo = {} NewparmDict = {} G2stIO.SetupSeqSavePhases(GPXfile) for ihst,histogram in enumerate(histNames): if GSASIIpath.GetConfigValue('Show_timing'): t1 = time.time() G2fil.G2Print('\nRefining with '+str(histogram)) G2mv.InitVars() (Natoms,atomIndx,phaseVary,phaseDict,pawleyLookup, FFtables,BLtables,MFtables,maxSSwave) = G2stIO.GetPhaseData( Phases,restraintDict,rbIds, Print=False,pFile=printFile,seqRef=True) 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: G2fil.G2Print("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(rbDict) parmDict.update(phaseDict) parmDict.update(hapDict) parmDict.update(histDict) if Controls['Copy2Next']: # update with parms from last histogram #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] elif histogram in SeqResult: # update phase from last seq ref NewparmDict = SeqResult[histogram].get('parmDict',{}) for parm in NewparmDict: if '::' in parm and parm in parmDict: parmDict[parm] = NewparmDict[parm] G2stIO.GetFprime(calcControls,Histo) # do constraint processing #reload(G2mv) # debug constrDict,fixedList = G2stIO.GetConstraints(GPXfile) 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: groups,parmlist = G2mv.GenerateConstraints(varyList,constrDict,fixedList,parmDict,SeqHist=hId) # if GSASIIpath.GetConfigValue('debug'): print("DBG_"+ # G2mv.VarRemapShow(varyList,True)) # print('DependentVars',G2mv.GetDependentVars()) # print('IndependentVars',G2mv.GetIndependentVars()) constraintInfo = (groups,parmlist,constrDict,fixedList,ihst) 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) 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] G2fil.G2Print('*** Variables change ***') for typ,vars in [('Removed',c),('Added',p)]: line = ' '+typ+': ' if vars: for var in vars: if len(line) > 70: G2fil.G2Print(line) line = ' ' line += var + ', ' else: line += 'none, ' G2fil.G2Print(line[:-2]) firstVaryList = newVaryList ifSeq = True printFile.write('\n Refinement results for histogram: %s\n'%histogram) printFile.write(135*'-'+'\n') try: IfOK,Rvals,result,covMatrix,sig = RefineCore(Controls,Histo,Phases,restraintDict, rigidbodyDict,parmDict,varyList,calcControls,pawleyLookup,ifSeq,printFile,dlg, refPlotUpdate=refPlotUpdate) G2fil.G2Print (' 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: G2fil.G2Print('***** Sequential refinement failed at histogram '+histogram,mode='warn') 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.SaveUpdatedHistogramsAndPhases(GPXfile,Histo,Phases,rigidbodyDict,histRefData) 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] else: if items[2].startswith('dA'): parm = parm.replace(':dA',':A') NewparmDict[parm] = parmDict[parm] 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 if GSASIIpath.GetConfigValue('Show_timing'): t2 = time.time() G2fil.G2Print("Fit step time {:.2f} sec.".format(t2-t1)) t1 = t2 SeqResult['histNames'] = [itm for itm in G2stIO.GetHistogramNames(GPXfile,['PWDR',]) if itm in SeqResult.keys()] G2stIO.SetSeqResult(GPXfile,Histograms,SeqResult) printFile.close() G2fil.G2Print (' Sequential refinement results are in file: '+ospath.splitext(GPXfile)[0]+'.lst') G2fil.G2Print (' ***** Sequential refinement successful *****') return True,'Success'
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 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