1 | #GSASIIstructure - structure computation routines |
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2 | ########### SVN repository information ################### |
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3 | # $Date: 2012-02-09 19:23:01 +0000 (Thu, 09 Feb 2012) $ |
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4 | # $Author: vondreele $ |
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5 | # $Revision: 477 $ |
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6 | # $URL: trunk/GSASIIstruct.py $ |
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7 | # $Id: GSASIIstruct.py 477 2012-02-09 19:23:01Z vondreele $ |
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8 | ########### SVN repository information ################### |
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9 | import sys |
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10 | import numpy as np |
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11 | import numpy.linalg as nl |
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12 | import time |
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13 | import math |
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14 | import GSASIIpath |
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15 | import GSASIIIO as G2IO |
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16 | import GSASIIElem as G2el |
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17 | import GSASIIlattice as G2lat |
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18 | import GSASIIspc as G2spc |
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19 | import GSASIIpwd as G2pwd |
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20 | import GSASIImapvars as G2mv |
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21 | import GSASIImath as G2mth |
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22 | import scipy.optimize as so |
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23 | |
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24 | sind = lambda x: np.sin(x*np.pi/180.) |
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25 | cosd = lambda x: np.cos(x*np.pi/180.) |
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26 | tand = lambda x: np.tan(x*np.pi/180.) |
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27 | asind = lambda x: 180.*np.arcsin(x)/np.pi |
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28 | acosd = lambda x: 180.*np.arccos(x)/np.pi |
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29 | atan2d = lambda y,x: 180.*np.arctan2(y,x)/np.pi |
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30 | |
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31 | |
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32 | def ShowBanner(): |
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33 | print 80*'*' |
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34 | print ' General Structure Analysis System-II Crystal Structure Refinement' |
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35 | print ' by Robert B. Von Dreele, Argonne National Laboratory(C), 2010' |
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36 | print ' This product includes software developed by the UChicago Argonne, LLC,' |
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37 | print ' as Operator of Argonne National Laboratory.' |
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38 | print 80*'*','\n' |
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39 | |
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40 | def ShowControls(Controls): |
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41 | print ' Least squares controls:' |
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42 | print ' Derivative type: ',Controls['deriv type'] |
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43 | print ' Minimum delta-M/M for convergence: ','%.2g'%(Controls['min dM/M']) |
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44 | print ' Initial shift factor: ','%.3f'%(Controls['shift factor']) |
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45 | |
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46 | def GetFFtable(General): |
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47 | ''' returns a dictionary of form factor data for atom types found in General |
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48 | input: |
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49 | General = dictionary of phase info.; includes AtomTypes |
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50 | return: |
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51 | FFtable = dictionary of form factor data; key is atom type |
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52 | ''' |
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53 | atomTypes = General['AtomTypes'] |
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54 | FFtable = {} |
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55 | for El in atomTypes: |
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56 | FFs = G2el.GetFormFactorCoeff(El.split('+')[0].split('-')[0]) |
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57 | for item in FFs: |
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58 | if item['Symbol'] == El.upper(): |
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59 | FFtable[El] = item |
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60 | return FFtable |
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61 | |
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62 | def GetBLtable(General): |
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63 | ''' returns a dictionary of neutron scattering length data for atom types & isotopes found in General |
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64 | input: |
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65 | General = dictionary of phase info.; includes AtomTypes & Isotopes |
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66 | return: |
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67 | BLtable = dictionary of scattering length data; key is atom type |
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68 | ''' |
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69 | atomTypes = General['AtomTypes'] |
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70 | BLtable = {} |
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71 | isotopes = General['Isotopes'] |
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72 | isotope = General['Isotope'] |
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73 | for El in atomTypes: |
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74 | BLtable[El] = [isotope[El],isotopes[El][isotope[El]]] |
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75 | return BLtable |
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76 | |
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77 | def GetPawleyConstr(SGLaue,PawleyRef,pawleyVary): |
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78 | if SGLaue in ['-1','2/m','mmm']: |
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79 | return #no Pawley symmetry required constraints |
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80 | for i,varyI in enumerate(pawleyVary): |
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81 | refI = int(varyI.split(':')[-1]) |
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82 | ih,ik,il = PawleyRef[refI][:3] |
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83 | for varyJ in pawleyVary[0:i]: |
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84 | refJ = int(varyJ.split(':')[-1]) |
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85 | jh,jk,jl = PawleyRef[refJ][:3] |
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86 | if SGLaue in ['4/m','4/mmm']: |
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87 | isum = ih**2+ik**2 |
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88 | jsum = jh**2+jk**2 |
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89 | if abs(il) == abs(jl) and isum == jsum: |
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90 | G2mv.StoreEquivalence(varyJ,(varyI,)) |
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91 | elif SGLaue in ['3R','3mR']: |
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92 | isum = ih**2+ik**2+il**2 |
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93 | jsum = jh**2+jk**2*jl**2 |
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94 | isum2 = ih*ik+ih*il+ik*il |
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95 | jsum2 = jh*jk+jh*jl+jk*jl |
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96 | if isum == jsum and isum2 == jsum2: |
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97 | G2mv.StoreEquivalence(varyJ,(varyI,)) |
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98 | elif SGLaue in ['3','3m1','31m','6/m','6/mmm']: |
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99 | isum = ih**2+ik**2+ih*ik |
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100 | jsum = jh**2+jk**2+jh*jk |
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101 | if abs(il) == abs(jl) and isum == jsum: |
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102 | G2mv.StoreEquivalence(varyJ,(varyI,)) |
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103 | elif SGLaue in ['m3','m3m']: |
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104 | isum = ih**2+ik**2+il**2 |
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105 | jsum = jh**2+jk**2+jl**2 |
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106 | if isum == jsum: |
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107 | G2mv.StoreEquivalence(varyJ,(varyI,)) |
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108 | |
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109 | def cellVary(pfx,SGData): |
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110 | if SGData['SGLaue'] in ['-1',]: |
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111 | return [pfx+'A0',pfx+'A1',pfx+'A2',pfx+'A3',pfx+'A4',pfx+'A5'] |
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112 | elif SGData['SGLaue'] in ['2/m',]: |
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113 | if SGData['SGUniq'] == 'a': |
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114 | return [pfx+'A0',pfx+'A1',pfx+'A2',pfx+'A3'] |
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115 | elif SGData['SGUniq'] == 'b': |
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116 | return [pfx+'A0',pfx+'A1',pfx+'A2',pfx+'A4'] |
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117 | else: |
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118 | return [pfx+'A0',pfx+'A1',pfx+'A2',pfx+'A5'] |
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119 | elif SGData['SGLaue'] in ['mmm',]: |
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120 | return [pfx+'A0',pfx+'A1',pfx+'A2'] |
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121 | elif SGData['SGLaue'] in ['4/m','4/mmm']: |
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122 | return [pfx+'A0',pfx+'A2'] |
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123 | elif SGData['SGLaue'] in ['6/m','6/mmm','3m1', '31m', '3']: |
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124 | return [pfx+'A0',pfx+'A2'] |
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125 | elif SGData['SGLaue'] in ['3R', '3mR']: |
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126 | return [pfx+'A0',pfx+'A3'] |
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127 | elif SGData['SGLaue'] in ['m3m','m3']: |
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128 | return [pfx+'A0',] |
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129 | |
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130 | def GetPhaseData(PhaseData,Print=True): |
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131 | |
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132 | def PrintFFtable(FFtable): |
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133 | print '\n X-ray scattering factors:' |
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134 | print ' Symbol fa fb fc' |
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135 | print 99*'-' |
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136 | for Ename in FFtable: |
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137 | ffdata = FFtable[Ename] |
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138 | fa = ffdata['fa'] |
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139 | fb = ffdata['fb'] |
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140 | print ' %8s %9.5f %9.5f %9.5f %9.5f %9.5f %9.5f %9.5f %9.5f %9.5f' % \ |
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141 | (Ename.ljust(8),fa[0],fa[1],fa[2],fa[3],fb[0],fb[1],fb[2],fb[3],ffdata['fc']) |
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142 | |
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143 | def PrintBLtable(BLtable): |
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144 | print '\n Neutron scattering factors:' |
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145 | print ' Symbol isotope mass b resonant terms' |
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146 | print 99*'-' |
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147 | for Ename in BLtable: |
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148 | bldata = BLtable[Ename] |
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149 | isotope = bldata[0] |
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150 | mass = bldata[1][0] |
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151 | blen = bldata[1][1] |
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152 | bres = [] |
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153 | if len(bldata[1]) > 2: |
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154 | bres = bldata[1][2:] |
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155 | line = ' %8s%11s %10.3f %8.3f'%(Ename.ljust(8),isotope.center(11),mass,blen) |
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156 | for item in bres: |
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157 | line += '%10.5g'%(item) |
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158 | print line |
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159 | |
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160 | def PrintAtoms(General,Atoms): |
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161 | print '\n Atoms:' |
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162 | line = ' name type refine? x y z '+ \ |
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163 | ' frac site sym mult I/A Uiso U11 U22 U33 U12 U13 U23' |
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164 | if General['Type'] == 'magnetic': |
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165 | line += ' Mx My Mz' |
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166 | elif General['Type'] == 'macromolecular': |
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167 | line = ' res no residue chain '+line |
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168 | print line |
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169 | if General['Type'] == 'nuclear': |
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170 | print 135*'-' |
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171 | for i,at in enumerate(Atoms): |
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172 | line = '%7s'%(at[0])+'%7s'%(at[1])+'%7s'%(at[2])+'%10.5f'%(at[3])+'%10.5f'%(at[4])+ \ |
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173 | '%10.5f'%(at[5])+'%8.3f'%(at[6])+'%7s'%(at[7])+'%5d'%(at[8])+'%5s'%(at[9]) |
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174 | if at[9] == 'I': |
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175 | line += '%8.4f'%(at[10])+48*' ' |
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176 | else: |
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177 | line += 8*' ' |
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178 | for j in range(6): |
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179 | line += '%8.4f'%(at[11+j]) |
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180 | print line |
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181 | |
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182 | def PrintTexture(textureData): |
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183 | topstr = '\n Spherical harmonics texture: Order:' + \ |
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184 | str(textureData['Order']) |
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185 | if textureData['Order']: |
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186 | print topstr+' Refine? '+str(textureData['SH Coeff'][0]) |
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187 | else: |
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188 | print topstr |
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189 | return |
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190 | names = ['omega','chi','phi'] |
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191 | line = '\n' |
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192 | for name in names: |
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193 | line += ' SH '+name+':'+'%12.4f'%(textureData['Sample '+name][1])+' Refine? '+str(textureData['Sample '+name][0]) |
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194 | print line |
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195 | print '\n Texture coefficients:' |
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196 | ptlbls = ' names :' |
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197 | ptstr = ' values:' |
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198 | SHcoeff = textureData['SH Coeff'][1] |
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199 | for item in SHcoeff: |
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200 | ptlbls += '%12s'%(item) |
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201 | ptstr += '%12.4f'%(SHcoeff[item]) |
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202 | print ptlbls |
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203 | print ptstr |
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204 | |
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205 | if Print: print ' Phases:' |
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206 | phaseVary = [] |
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207 | phaseDict = {} |
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208 | phaseConstr = {} |
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209 | pawleyLookup = {} |
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210 | FFtables = {} #scattering factors - xrays |
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211 | BLtables = {} # neutrons |
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212 | Natoms = {} |
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213 | AtMults = {} |
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214 | AtIA = {} |
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215 | shModels = ['cylindrical','none','shear - 2/m','rolling - mmm'] |
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216 | SamSym = dict(zip(shModels,['0','-1','2/m','mmm'])) |
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217 | for name in PhaseData: |
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218 | General = PhaseData[name]['General'] |
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219 | pId = PhaseData[name]['pId'] |
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220 | pfx = str(pId)+'::' |
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221 | FFtable = GetFFtable(General) |
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222 | BLtable = GetBLtable(General) |
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223 | FFtables.update(FFtable) |
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224 | BLtables.update(BLtable) |
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225 | Atoms = PhaseData[name]['Atoms'] |
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226 | try: |
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227 | PawleyRef = PhaseData[name]['Pawley ref'] |
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228 | except KeyError: |
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229 | PawleyRef = [] |
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230 | SGData = General['SGData'] |
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231 | SGtext = G2spc.SGPrint(SGData) |
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232 | cell = General['Cell'] |
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233 | A = G2lat.cell2A(cell[1:7]) |
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234 | phaseDict.update({pfx+'A0':A[0],pfx+'A1':A[1],pfx+'A2':A[2],pfx+'A3':A[3],pfx+'A4':A[4],pfx+'A5':A[5]}) |
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235 | if cell[0]: |
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236 | phaseVary += cellVary(pfx,SGData) |
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237 | Natoms[pfx] = 0 |
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238 | if Atoms: |
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239 | if General['Type'] == 'nuclear': |
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240 | Natoms[pfx] = len(Atoms) |
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241 | for i,at in enumerate(Atoms): |
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242 | phaseDict.update({pfx+'Atype:'+str(i):at[1],pfx+'Afrac:'+str(i):at[6],pfx+'Amul:'+str(i):at[8], |
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243 | pfx+'Ax:'+str(i):at[3],pfx+'Ay:'+str(i):at[4],pfx+'Az:'+str(i):at[5], |
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244 | pfx+'dAx:'+str(i):0.,pfx+'dAy:'+str(i):0.,pfx+'dAz:'+str(i):0., #refined shifts for x,y,z |
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245 | pfx+'AI/A:'+str(i):at[9],}) |
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246 | if at[9] == 'I': |
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247 | phaseDict[pfx+'AUiso:'+str(i)] = at[10] |
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248 | else: |
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249 | phaseDict.update({pfx+'AU11:'+str(i):at[11],pfx+'AU22:'+str(i):at[12],pfx+'AU33:'+str(i):at[13], |
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250 | pfx+'AU12:'+str(i):at[14],pfx+'AU13:'+str(i):at[15],pfx+'AU23:'+str(i):at[16]}) |
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251 | if 'F' in at[2]: |
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252 | phaseVary.append(pfx+'Afrac:'+str(i)) |
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253 | if 'X' in at[2]: |
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254 | xId,xCoef = G2spc.GetCSxinel(at[7]) |
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255 | delnames = [pfx+'dAx:'+str(i),pfx+'dAy:'+str(i),pfx+'dAz:'+str(i)] |
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256 | for j in range(3): |
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257 | if xId[j] > 0: |
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258 | phaseVary.append(delnames[j]) |
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259 | for k in range(j): |
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260 | if xId[j] == xId[k]: |
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261 | G2mv.StoreEquivalence(delnames[k],((delnames[j],xCoef[j]),)) |
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262 | if 'U' in at[2]: |
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263 | if at[9] == 'I': |
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264 | phaseVary.append(pfx+'AUiso:'+str(i)) |
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265 | else: |
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266 | uId,uCoef = G2spc.GetCSuinel(at[7])[:2] |
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267 | names = [pfx+'AU11:'+str(i),pfx+'AU22:'+str(i),pfx+'AU33:'+str(i), |
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268 | pfx+'AU12:'+str(i),pfx+'AU13:'+str(i),pfx+'AU23:'+str(i)] |
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269 | for j in range(6): |
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270 | if uId[j] > 0: |
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271 | phaseVary.append(names[j]) |
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272 | for k in range(j): |
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273 | if uId[j] == uId[k]: |
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274 | G2mv.StoreEquivalence(names[k],((names[j],uCoef[j]),)) |
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275 | # elif General['Type'] == 'magnetic': |
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276 | # elif General['Type'] == 'macromolecular': |
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277 | |
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278 | |
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279 | if 'SH Texture' in General: |
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280 | textureData = General['SH Texture'] |
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281 | phaseDict[pfx+'SHmodel'] = SamSym[textureData['Model']] |
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282 | phaseDict[pfx+'SHorder'] = textureData['Order'] |
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283 | for name in ['omega','chi','phi']: |
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284 | phaseDict[pfx+'SH '+name] = textureData['Sample '+name][1] |
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285 | if textureData['Sample '+name][0]: |
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286 | phaseVary.append(pfx+'SH '+name) |
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287 | for name in textureData['SH Coeff'][1]: |
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288 | phaseDict[pfx+name] = textureData['SH Coeff'][1][name] |
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289 | if textureData['SH Coeff'][0]: |
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290 | phaseVary.append(pfx+name) |
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291 | |
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292 | if Print: |
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293 | print '\n Phase name: ',General['Name'] |
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294 | print 135*'-' |
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295 | PrintFFtable(FFtable) |
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296 | PrintBLtable(BLtable) |
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297 | print '' |
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298 | for line in SGtext: print line |
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299 | PrintAtoms(General,Atoms) |
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300 | print '\n Unit cell: a =','%.5f'%(cell[1]),' b =','%.5f'%(cell[2]),' c =','%.5f'%(cell[3]), \ |
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301 | ' alpha =','%.3f'%(cell[4]),' beta =','%.3f'%(cell[5]),' gamma =', \ |
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302 | '%.3f'%(cell[6]),' volume =','%.3f'%(cell[7]),' Refine?',cell[0] |
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303 | if 'SH Texture' in General: |
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304 | PrintTexture(textureData) |
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305 | |
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306 | elif PawleyRef: |
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307 | pawleyVary = [] |
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308 | for i,refl in enumerate(PawleyRef): |
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309 | phaseDict[pfx+'PWLref:'+str(i)] = refl[6] |
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310 | pawleyLookup[pfx+'%d,%d,%d'%(refl[0],refl[1],refl[2])] = i |
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311 | if refl[5]: |
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312 | pawleyVary.append(pfx+'PWLref:'+str(i)) |
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313 | GetPawleyConstr(SGData['SGLaue'],PawleyRef,pawleyVary) #does G2mv.StoreEquivalence |
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314 | phaseVary += pawleyVary |
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315 | |
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316 | return Natoms,phaseVary,phaseDict,pawleyLookup,FFtables,BLtables |
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317 | |
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318 | def cellFill(pfx,SGData,parmDict,sigDict): |
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319 | if SGData['SGLaue'] in ['-1',]: |
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320 | A = [parmDict[pfx+'A0'],parmDict[pfx+'A1'],parmDict[pfx+'A2'], |
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321 | parmDict[pfx+'A3'],parmDict[pfx+'A4'],parmDict[pfx+'A5']] |
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322 | sigA = [sigDict[pfx+'A0'],sigDict[pfx+'A1'],sigDict[pfx+'A2'], |
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323 | sigDict[pfx+'A3'],sigDict[pfx+'A4'],sigDict[pfx+'A5']] |
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324 | elif SGData['SGLaue'] in ['2/m',]: |
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325 | if SGData['SGUniq'] == 'a': |
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326 | A = [parmDict[pfx+'A0'],parmDict[pfx+'A1'],parmDict[pfx+'A2'], |
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327 | parmDict[pfx+'A3'],0,0] |
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328 | sigA = [sigDict[pfx+'A0'],sigDict[pfx+'A1'],sigDict[pfx+'A2'], |
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329 | sigDict[pfx+'A3'],0,0] |
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330 | elif SGData['SGUniq'] == 'b': |
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331 | A = [parmDict[pfx+'A0'],parmDict[pfx+'A1'],parmDict[pfx+'A2'], |
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332 | 0,parmDict[pfx+'A4'],0] |
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333 | sigA = [sigDict[pfx+'A0'],sigDict[pfx+'A1'],sigDict[pfx+'A2'], |
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334 | 0,sigDict[pfx+'A4'],0] |
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335 | else: |
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336 | A = [parmDict[pfx+'A0'],parmDict[pfx+'A1'],parmDict[pfx+'A2'], |
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337 | 0,0,parmDict[pfx+'A5']] |
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338 | sigA = [sigDict[pfx+'A0'],sigDict[pfx+'A1'],sigDict[pfx+'A2'], |
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339 | 0,0,sigDict[pfx+'A5']] |
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340 | elif SGData['SGLaue'] in ['mmm',]: |
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341 | A = [parmDict[pfx+'A0'],parmDict[pfx+'A1'],parmDict[pfx+'A2'],0,0,0] |
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342 | sigA = [sigDict[pfx+'A0'],sigDict[pfx+'A1'],sigDict[pfx+'A2'],0,0,0] |
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343 | elif SGData['SGLaue'] in ['4/m','4/mmm']: |
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344 | A = [parmDict[pfx+'A0'],parmDict[pfx+'A0'],parmDict[pfx+'A2'],0,0,0] |
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345 | sigA = [sigDict[pfx+'A0'],0,sigDict[pfx+'A2'],0,0,0] |
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346 | elif SGData['SGLaue'] in ['6/m','6/mmm','3m1', '31m', '3']: |
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347 | A = [parmDict[pfx+'A0'],parmDict[pfx+'A0'],parmDict[pfx+'A2'], |
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348 | parmDict[pfx+'A0'],0,0] |
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349 | sigA = [sigDict[pfx+'A0'],0,sigDict[pfx+'A2'],0,0,0] |
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350 | elif SGData['SGLaue'] in ['3R', '3mR']: |
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351 | A = [parmDict[pfx+'A0'],parmDict[pfx+'A0'],parmDict[pfx+'A0'], |
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352 | parmDict[pfx+'A3'],parmDict[pfx+'A3'],parmDict[pfx+'A3']] |
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353 | sigA = [sigDict[pfx+'A0'],0,0,sigDict[pfx+'A3'],0,0] |
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354 | elif SGData['SGLaue'] in ['m3m','m3']: |
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355 | A = [parmDict[pfx+'A0'],parmDict[pfx+'A0'],parmDict[pfx+'A0'],0,0,0] |
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356 | sigA = [sigDict[pfx+'A0'],0,0,0,0,0] |
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357 | return A,sigA |
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358 | |
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359 | def getCellEsd(pfx,SGData,A,covData): |
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360 | dpr = 180./np.pi |
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361 | rVsq = G2lat.calc_rVsq(A) |
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362 | G,g = G2lat.A2Gmat(A) #get recip. & real metric tensors |
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363 | cell = np.array(G2lat.Gmat2cell(g)) #real cell |
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364 | cellst = np.array(G2lat.Gmat2cell(G)) #recip. cell |
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365 | scos = cosd(cellst[3:6]) |
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366 | ssin = sind(cellst[3:6]) |
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367 | scot = scos/ssin |
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368 | rcos = cosd(cell[3:6]) |
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369 | rsin = sind(cell[3:6]) |
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370 | rcot = rcos/rsin |
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371 | RMnames = [pfx+'A0',pfx+'A1',pfx+'A2',pfx+'A3',pfx+'A4',pfx+'A5'] |
---|
372 | varyList = covData['varyList'] |
---|
373 | covMatrix = covData['covMatrix'] |
---|
374 | vcov = G2mth.getVCov(RMnames,varyList,covMatrix) |
---|
375 | Ax = np.array(A) |
---|
376 | Ax[3:] /= 2. |
---|
377 | drVdA = np.array([Ax[1]*Ax[2]-Ax[5]**2,Ax[0]*Ax[2]-Ax[4]**2,Ax[0]*Ax[1]-Ax[3]**2, |
---|
378 | Ax[4]*Ax[5]-Ax[2]*Ax[3],Ax[3]*Ax[5]-Ax[1]*Ax[4],Ax[3]*Ax[4]-Ax[0]*Ax[5]]) |
---|
379 | srcvlsq = np.inner(drVdA,np.inner(vcov,drVdA.T)) |
---|
380 | Vol = 1/np.sqrt(rVsq) |
---|
381 | sigVol = Vol**3*np.sqrt(srcvlsq)/2. |
---|
382 | R123 = Ax[0]*Ax[1]*Ax[2] |
---|
383 | dsasdg = np.zeros((3,6)) |
---|
384 | dadg = np.zeros((6,6)) |
---|
385 | for i0 in range(3): #0 1 2 |
---|
386 | i1 = (i0+1)%3 #1 2 0 |
---|
387 | i2 = (i1+1)%3 #2 0 1 |
---|
388 | i3 = 5-i2 #3 5 4 |
---|
389 | i4 = 5-i1 #4 3 5 |
---|
390 | i5 = 5-i0 #5 4 3 |
---|
391 | dsasdg[i0][i1] = 0.5*scot[i0]*scos[i0]/Ax[i1] |
---|
392 | dsasdg[i0][i2] = 0.5*scot[i0]*scos[i0]/Ax[i2] |
---|
393 | dsasdg[i0][i5] = -scot[i0]/np.sqrt(Ax[i1]*Ax[i2]) |
---|
394 | denmsq = Ax[i0]*(R123-Ax[i1]*Ax[i4]**2-Ax[i2]*Ax[i3]**2+(Ax[i4]*Ax[i3])**2) |
---|
395 | denom = np.sqrt(denmsq) |
---|
396 | dadg[i5][i0] = -Ax[i5]/denom-rcos[i0]/denmsq*(R123-0.5*Ax[i1]*Ax[i4]**2-0.5*Ax[i2]*Ax[i3]**2) |
---|
397 | dadg[i5][i1] = -0.5*rcos[i0]/denmsq*(Ax[i0]**2*Ax[i2]-Ax[i0]*Ax[i4]**2) |
---|
398 | dadg[i5][i2] = -0.5*rcos[i0]/denmsq*(Ax[i0]**2*Ax[i1]-Ax[i0]*Ax[i3]**2) |
---|
399 | dadg[i5][i3] = Ax[i4]/denom+rcos[i0]/denmsq*(Ax[i0]*Ax[i2]*Ax[i3]-Ax[i3]*Ax[i4]**2) |
---|
400 | dadg[i5][i4] = Ax[i3]/denom+rcos[i0]/denmsq*(Ax[i0]*Ax[i1]*Ax[i4]-Ax[i3]**2*Ax[i4]) |
---|
401 | dadg[i5][i5] = -Ax[i0]/denom |
---|
402 | for i0 in range(3): |
---|
403 | i1 = (i0+1)%3 |
---|
404 | i2 = (i1+1)%3 |
---|
405 | i3 = 5-i2 |
---|
406 | for ij in range(6): |
---|
407 | dadg[i0][ij] = cell[i0]*(rcot[i2]*dadg[i3][ij]/rsin[i2]-dsasdg[i1][ij]/ssin[i1]) |
---|
408 | if ij == i0: |
---|
409 | dadg[i0][ij] = dadg[i0][ij]-0.5*cell[i0]/Ax[i0] |
---|
410 | dadg[i3][ij] = -dadg[i3][ij]*rsin[2-i0]*dpr |
---|
411 | sigMat = np.inner(dadg,np.inner(vcov,dadg.T)) |
---|
412 | var = np.diag(sigMat) |
---|
413 | CS = np.where(var>0.,np.sqrt(var),0.) |
---|
414 | cellSig = [CS[0],CS[1],CS[2],CS[5],CS[4],CS[3],sigVol] #exchange sig(alp) & sig(gam) to get in right order |
---|
415 | return cellSig |
---|
416 | |
---|
417 | def SetPhaseData(parmDict,sigDict,Phases,covData): |
---|
418 | |
---|
419 | def PrintAtomsAndSig(General,Atoms,atomsSig): |
---|
420 | print '\n Atoms:' |
---|
421 | line = ' name x y z frac Uiso U11 U22 U33 U12 U13 U23' |
---|
422 | if General['Type'] == 'magnetic': |
---|
423 | line += ' Mx My Mz' |
---|
424 | elif General['Type'] == 'macromolecular': |
---|
425 | line = ' res no residue chain '+line |
---|
426 | print line |
---|
427 | if General['Type'] == 'nuclear': |
---|
428 | print 135*'-' |
---|
429 | fmt = {0:'%7s',1:'%7s',3:'%10.5f',4:'%10.5f',5:'%10.5f',6:'%8.3f',10:'%8.5f', |
---|
430 | 11:'%8.5f',12:'%8.5f',13:'%8.5f',14:'%8.5f',15:'%8.5f',16:'%8.5f'} |
---|
431 | noFXsig = {3:[10*' ','%10s'],4:[10*' ','%10s'],5:[10*' ','%10s'],6:[8*' ','%8s']} |
---|
432 | for i,at in enumerate(Atoms): |
---|
433 | name = fmt[0]%(at[0])+fmt[1]%(at[1])+':' |
---|
434 | valstr = ' values:' |
---|
435 | sigstr = ' sig :' |
---|
436 | for ind in [3,4,5,6]: |
---|
437 | sigind = str(i)+':'+str(ind) |
---|
438 | valstr += fmt[ind]%(at[ind]) |
---|
439 | if sigind in atomsSig: |
---|
440 | sigstr += fmt[ind]%(atomsSig[sigind]) |
---|
441 | else: |
---|
442 | sigstr += noFXsig[ind][1]%(noFXsig[ind][0]) |
---|
443 | if at[9] == 'I': |
---|
444 | valstr += fmt[10]%(at[10]) |
---|
445 | if str(i)+':10' in atomsSig: |
---|
446 | sigstr += fmt[10]%(atomsSig[str(i)+':10']) |
---|
447 | else: |
---|
448 | sigstr += 8*' ' |
---|
449 | else: |
---|
450 | valstr += 8*' ' |
---|
451 | sigstr += 8*' ' |
---|
452 | for ind in [11,12,13,14,15,16]: |
---|
453 | sigind = str(i)+':'+str(ind) |
---|
454 | valstr += fmt[ind]%(at[ind]) |
---|
455 | if sigind in atomsSig: |
---|
456 | sigstr += fmt[ind]%(atomsSig[sigind]) |
---|
457 | else: |
---|
458 | sigstr += 8*' ' |
---|
459 | print name |
---|
460 | print valstr |
---|
461 | print sigstr |
---|
462 | |
---|
463 | def PrintSHtextureAndSig(textureData,SHtextureSig): |
---|
464 | print '\n Spherical harmonics texture: Order:' + str(textureData['Order']) |
---|
465 | names = ['omega','chi','phi'] |
---|
466 | namstr = ' names :' |
---|
467 | ptstr = ' values:' |
---|
468 | sigstr = ' esds :' |
---|
469 | for name in names: |
---|
470 | namstr += '%12s'%(name) |
---|
471 | ptstr += '%12.3f'%(textureData['Sample '+name][1]) |
---|
472 | if 'Sample '+name in SHtextureSig: |
---|
473 | sigstr += '%12.3f'%(SHtextureSig['Sample '+name]) |
---|
474 | else: |
---|
475 | sigstr += 12*' ' |
---|
476 | print namstr |
---|
477 | print ptstr |
---|
478 | print sigstr |
---|
479 | print '\n Texture coefficients:' |
---|
480 | namstr = ' names :' |
---|
481 | ptstr = ' values:' |
---|
482 | sigstr = ' esds :' |
---|
483 | SHcoeff = textureData['SH Coeff'][1] |
---|
484 | for name in SHcoeff: |
---|
485 | namstr += '%12s'%(name) |
---|
486 | ptstr += '%12.3f'%(SHcoeff[name]) |
---|
487 | if name in SHtextureSig: |
---|
488 | sigstr += '%12.3f'%(SHtextureSig[name]) |
---|
489 | else: |
---|
490 | sigstr += 12*' ' |
---|
491 | print namstr |
---|
492 | print ptstr |
---|
493 | print sigstr |
---|
494 | |
---|
495 | |
---|
496 | print '\n Phases:' |
---|
497 | for phase in Phases: |
---|
498 | print ' Result for phase: ',phase |
---|
499 | Phase = Phases[phase] |
---|
500 | General = Phase['General'] |
---|
501 | SGData = General['SGData'] |
---|
502 | Atoms = Phase['Atoms'] |
---|
503 | cell = General['Cell'] |
---|
504 | pId = Phase['pId'] |
---|
505 | pfx = str(pId)+'::' |
---|
506 | if cell[0]: |
---|
507 | A,sigA = cellFill(pfx,SGData,parmDict,sigDict) |
---|
508 | cellSig = getCellEsd(pfx,SGData,A,covData) #includes sigVol |
---|
509 | print ' Reciprocal metric tensor: ' |
---|
510 | ptfmt = "%15.9f" |
---|
511 | names = ['A11','A22','A33','A12','A13','A23'] |
---|
512 | namstr = ' names :' |
---|
513 | ptstr = ' values:' |
---|
514 | sigstr = ' esds :' |
---|
515 | for name,a,siga in zip(names,A,sigA): |
---|
516 | namstr += '%15s'%(name) |
---|
517 | ptstr += ptfmt%(a) |
---|
518 | if siga: |
---|
519 | sigstr += ptfmt%(siga) |
---|
520 | else: |
---|
521 | sigstr += 15*' ' |
---|
522 | print namstr |
---|
523 | print ptstr |
---|
524 | print sigstr |
---|
525 | cell[1:7] = G2lat.A2cell(A) |
---|
526 | cell[7] = G2lat.calc_V(A) |
---|
527 | print ' New unit cell:' |
---|
528 | ptfmt = ["%12.6f","%12.6f","%12.6f","%12.4f","%12.4f","%12.4f","%12.3f"] |
---|
529 | names = ['a','b','c','alpha','beta','gamma','Volume'] |
---|
530 | namstr = ' names :' |
---|
531 | ptstr = ' values:' |
---|
532 | sigstr = ' esds :' |
---|
533 | for name,fmt,a,siga in zip(names,ptfmt,cell[1:8],cellSig): |
---|
534 | namstr += '%12s'%(name) |
---|
535 | ptstr += fmt%(a) |
---|
536 | if siga: |
---|
537 | sigstr += fmt%(siga) |
---|
538 | else: |
---|
539 | sigstr += 12*' ' |
---|
540 | print namstr |
---|
541 | print ptstr |
---|
542 | print sigstr |
---|
543 | |
---|
544 | if 'Pawley' in Phase['General']['Type']: |
---|
545 | pawleyRef = Phase['Pawley ref'] |
---|
546 | for i,refl in enumerate(pawleyRef): |
---|
547 | key = pfx+'PWLref:'+str(i) |
---|
548 | refl[6] = abs(parmDict[key]) #suppress negative Fsq |
---|
549 | if key in sigDict: |
---|
550 | refl[7] = sigDict[key] |
---|
551 | else: |
---|
552 | refl[7] = 0 |
---|
553 | else: |
---|
554 | atomsSig = {} |
---|
555 | if General['Type'] == 'nuclear': |
---|
556 | for i,at in enumerate(Atoms): |
---|
557 | names = {3:pfx+'Ax:'+str(i),4:pfx+'Ay:'+str(i),5:pfx+'Az:'+str(i),6:pfx+'Afrac:'+str(i), |
---|
558 | 10:pfx+'AUiso:'+str(i),11:pfx+'AU11:'+str(i),12:pfx+'AU22:'+str(i),13:pfx+'AU33:'+str(i), |
---|
559 | 14:pfx+'AU12:'+str(i),15:pfx+'AU13:'+str(i),16:pfx+'AU23:'+str(i)} |
---|
560 | for ind in [3,4,5,6]: |
---|
561 | at[ind] = parmDict[names[ind]] |
---|
562 | if ind in [3,4,5]: |
---|
563 | name = names[ind].replace('A','dA') |
---|
564 | else: |
---|
565 | name = names[ind] |
---|
566 | if name in sigDict: |
---|
567 | atomsSig[str(i)+':'+str(ind)] = sigDict[name] |
---|
568 | if at[9] == 'I': |
---|
569 | at[10] = parmDict[names[10]] |
---|
570 | if names[10] in sigDict: |
---|
571 | atomsSig[str(i)+':10'] = sigDict[names[10]] |
---|
572 | else: |
---|
573 | for ind in [11,12,13,14,15,16]: |
---|
574 | at[ind] = parmDict[names[ind]] |
---|
575 | if names[ind] in sigDict: |
---|
576 | atomsSig[str(i)+':'+str(ind)] = sigDict[names[ind]] |
---|
577 | PrintAtomsAndSig(General,Atoms,atomsSig) |
---|
578 | |
---|
579 | if 'SH Texture' in General: |
---|
580 | textureData = General['SH Texture'] |
---|
581 | if textureData['Order']: |
---|
582 | SHtextureSig = {} |
---|
583 | for name in ['omega','chi','phi']: |
---|
584 | aname = pfx+'SH '+name |
---|
585 | textureData['Sample '+name][1] = parmDict[aname] |
---|
586 | if aname in sigDict: |
---|
587 | SHtextureSig['Sample '+name] = sigDict[aname] |
---|
588 | for name in textureData['SH Coeff'][1]: |
---|
589 | aname = pfx+name |
---|
590 | textureData['SH Coeff'][1][name] = parmDict[aname] |
---|
591 | if aname in sigDict: |
---|
592 | SHtextureSig[name] = sigDict[aname] |
---|
593 | PrintSHtextureAndSig(textureData,SHtextureSig) |
---|
594 | |
---|
595 | def GetHistogramPhaseData(Phases,Histograms,Print=True): |
---|
596 | |
---|
597 | def PrintSize(hapData): |
---|
598 | if hapData[0] in ['isotropic','uniaxial']: |
---|
599 | line = '\n Size model : %9s'%(hapData[0]) |
---|
600 | line += ' equatorial:'+'%12.3f'%(hapData[1][0])+' Refine? '+str(hapData[2][0]) |
---|
601 | if hapData[0] == 'uniaxial': |
---|
602 | line += ' axial:'+'%12.3f'%(hapData[1][1])+' Refine? '+str(hapData[2][1]) |
---|
603 | print line |
---|
604 | else: |
---|
605 | print '\n Size model : %s'%(hapData[0]) |
---|
606 | Snames = ['S11','S22','S33','S12','S13','S23'] |
---|
607 | ptlbls = ' names :' |
---|
608 | ptstr = ' values:' |
---|
609 | varstr = ' refine:' |
---|
610 | for i,name in enumerate(Snames): |
---|
611 | ptlbls += '%12s' % (name) |
---|
612 | ptstr += '%12.6f' % (hapData[4][i]) |
---|
613 | varstr += '%12s' % (str(hapData[5][i])) |
---|
614 | print ptlbls |
---|
615 | print ptstr |
---|
616 | print varstr |
---|
617 | |
---|
618 | def PrintMuStrain(hapData,SGData): |
---|
619 | if hapData[0] in ['isotropic','uniaxial']: |
---|
620 | line = '\n Mustrain model: %9s'%(hapData[0]) |
---|
621 | line += ' equatorial:'+'%12.1f'%(hapData[1][0])+' Refine? '+str(hapData[2][0]) |
---|
622 | if hapData[0] == 'uniaxial': |
---|
623 | line += ' axial:'+'%12.1f'%(hapData[1][1])+' Refine? '+str(hapData[2][1]) |
---|
624 | print line |
---|
625 | else: |
---|
626 | print '\n Mustrain model: %s'%(hapData[0]) |
---|
627 | Snames = G2spc.MustrainNames(SGData) |
---|
628 | ptlbls = ' names :' |
---|
629 | ptstr = ' values:' |
---|
630 | varstr = ' refine:' |
---|
631 | for i,name in enumerate(Snames): |
---|
632 | ptlbls += '%12s' % (name) |
---|
633 | ptstr += '%12.6f' % (hapData[4][i]) |
---|
634 | varstr += '%12s' % (str(hapData[5][i])) |
---|
635 | print ptlbls |
---|
636 | print ptstr |
---|
637 | print varstr |
---|
638 | |
---|
639 | def PrintHStrain(hapData,SGData): |
---|
640 | print '\n Hydrostatic/elastic strain: ' |
---|
641 | Hsnames = G2spc.HStrainNames(SGData) |
---|
642 | ptlbls = ' names :' |
---|
643 | ptstr = ' values:' |
---|
644 | varstr = ' refine:' |
---|
645 | for i,name in enumerate(Hsnames): |
---|
646 | ptlbls += '%12s' % (name) |
---|
647 | ptstr += '%12.6f' % (hapData[0][i]) |
---|
648 | varstr += '%12s' % (str(hapData[1][i])) |
---|
649 | print ptlbls |
---|
650 | print ptstr |
---|
651 | print varstr |
---|
652 | |
---|
653 | def PrintSHPO(hapData): |
---|
654 | print '\n Spherical harmonics preferred orientation: Order:' + \ |
---|
655 | str(hapData[4])+' Refine? '+str(hapData[2]) |
---|
656 | ptlbls = ' names :' |
---|
657 | ptstr = ' values:' |
---|
658 | for item in hapData[5]: |
---|
659 | ptlbls += '%12s'%(item) |
---|
660 | ptstr += '%12.3f'%(hapData[5][item]) |
---|
661 | print ptlbls |
---|
662 | print ptstr |
---|
663 | |
---|
664 | hapDict = {} |
---|
665 | hapVary = [] |
---|
666 | controlDict = {} |
---|
667 | poType = {} |
---|
668 | poAxes = {} |
---|
669 | spAxes = {} |
---|
670 | spType = {} |
---|
671 | |
---|
672 | for phase in Phases: |
---|
673 | HistoPhase = Phases[phase]['Histograms'] |
---|
674 | SGData = Phases[phase]['General']['SGData'] |
---|
675 | cell = Phases[phase]['General']['Cell'][1:7] |
---|
676 | A = G2lat.cell2A(cell) |
---|
677 | pId = Phases[phase]['pId'] |
---|
678 | histoList = HistoPhase.keys() |
---|
679 | histoList.sort() |
---|
680 | for histogram in histoList: |
---|
681 | try: |
---|
682 | Histogram = Histograms[histogram] |
---|
683 | except KeyError: |
---|
684 | #skip if histogram not included e.g. in a sequential refinement |
---|
685 | continue |
---|
686 | hapData = HistoPhase[histogram] |
---|
687 | hId = Histogram['hId'] |
---|
688 | limits = Histogram['Limits'][1] |
---|
689 | inst = Histogram['Instrument Parameters'] |
---|
690 | inst = dict(zip(inst[3],inst[1])) |
---|
691 | Zero = inst['Zero'] |
---|
692 | if 'C' in inst['Type']: |
---|
693 | try: |
---|
694 | wave = inst['Lam'] |
---|
695 | except KeyError: |
---|
696 | wave = inst['Lam1'] |
---|
697 | dmin = wave/(2.0*sind(limits[1]/2.0)) |
---|
698 | pfx = str(pId)+':'+str(hId)+':' |
---|
699 | for item in ['Scale','Extinction']: |
---|
700 | hapDict[pfx+item] = hapData[item][0] |
---|
701 | if hapData[item][1]: |
---|
702 | hapVary.append(pfx+item) |
---|
703 | names = G2spc.HStrainNames(SGData) |
---|
704 | for i,name in enumerate(names): |
---|
705 | hapDict[pfx+name] = hapData['HStrain'][0][i] |
---|
706 | if hapData['HStrain'][1][i]: |
---|
707 | hapVary.append(pfx+name) |
---|
708 | controlDict[pfx+'poType'] = hapData['Pref.Ori.'][0] |
---|
709 | if hapData['Pref.Ori.'][0] == 'MD': |
---|
710 | hapDict[pfx+'MD'] = hapData['Pref.Ori.'][1] |
---|
711 | controlDict[pfx+'MDAxis'] = hapData['Pref.Ori.'][3] |
---|
712 | if hapData['Pref.Ori.'][2]: |
---|
713 | hapVary.append(pfx+'MD') |
---|
714 | else: #'SH' spherical harmonics |
---|
715 | controlDict[pfx+'SHord'] = hapData['Pref.Ori.'][4] |
---|
716 | controlDict[pfx+'SHncof'] = len(hapData['Pref.Ori.'][5]) |
---|
717 | for item in hapData['Pref.Ori.'][5]: |
---|
718 | hapDict[pfx+item] = hapData['Pref.Ori.'][5][item] |
---|
719 | if hapData['Pref.Ori.'][2]: |
---|
720 | hapVary.append(pfx+item) |
---|
721 | for item in ['Mustrain','Size']: |
---|
722 | controlDict[pfx+item+'Type'] = hapData[item][0] |
---|
723 | if hapData[item][0] in ['isotropic','uniaxial']: |
---|
724 | hapDict[pfx+item+':i'] = hapData[item][1][0] |
---|
725 | if hapData[item][2][0]: |
---|
726 | hapVary.append(pfx+item+':i') |
---|
727 | if hapData[item][0] == 'uniaxial': |
---|
728 | controlDict[pfx+item+'Axis'] = hapData[item][3] |
---|
729 | hapDict[pfx+item+':a'] = hapData[item][1][1] |
---|
730 | if hapData[item][2][1]: |
---|
731 | hapVary.append(pfx+item+':a') |
---|
732 | else: #generalized for mustrain or ellipsoidal for size |
---|
733 | if item == 'Mustrain': |
---|
734 | names = G2spc.MustrainNames(SGData) |
---|
735 | pwrs = [] |
---|
736 | for name in names: |
---|
737 | h,k,l = name[1:] |
---|
738 | pwrs.append([int(h),int(k),int(l)]) |
---|
739 | controlDict[pfx+'MuPwrs'] = pwrs |
---|
740 | for i in range(len(hapData[item][4])): |
---|
741 | sfx = ':'+str(i) |
---|
742 | hapDict[pfx+item+sfx] = hapData[item][4][i] |
---|
743 | if hapData[item][5][i]: |
---|
744 | hapVary.append(pfx+item+sfx) |
---|
745 | |
---|
746 | if Print: |
---|
747 | print '\n Phase: ',phase,' in histogram: ',histogram |
---|
748 | print 135*'-' |
---|
749 | print ' Phase fraction : %10.4f'%(hapData['Scale'][0]),' Refine?',hapData['Scale'][1] |
---|
750 | print ' Extinction coeff: %10.4f'%(hapData['Extinction'][0]),' Refine?',hapData['Extinction'][1] |
---|
751 | if hapData['Pref.Ori.'][0] == 'MD': |
---|
752 | Ax = hapData['Pref.Ori.'][3] |
---|
753 | print ' March-Dollase PO: %10.4f'%(hapData['Pref.Ori.'][1]),' Refine?',hapData['Pref.Ori.'][2], \ |
---|
754 | ' Axis: %d %d %d'%(Ax[0],Ax[1],Ax[2]) |
---|
755 | else: #'SH' for spherical harmonics |
---|
756 | PrintSHPO(hapData['Pref.Ori.']) |
---|
757 | PrintSize(hapData['Size']) |
---|
758 | PrintMuStrain(hapData['Mustrain'],SGData) |
---|
759 | PrintHStrain(hapData['HStrain'],SGData) |
---|
760 | HKLd = np.array(G2lat.GenHLaue(dmin,SGData,A)) |
---|
761 | refList = [] |
---|
762 | for h,k,l,d in HKLd: |
---|
763 | ext,mul,Uniq,phi = G2spc.GenHKLf([h,k,l],SGData) |
---|
764 | if ext: |
---|
765 | continue |
---|
766 | if 'C' in inst['Type']: |
---|
767 | pos = 2.0*asind(wave/(2.0*d))+Zero |
---|
768 | if limits[0] < pos < limits[1]: |
---|
769 | refList.append([h,k,l,mul,d,pos,0.0,0.0,0.0,0.0,0.0,Uniq,phi,0.0]) |
---|
770 | else: |
---|
771 | raise ValueError |
---|
772 | Histogram['Reflection Lists'][phase] = refList |
---|
773 | return hapVary,hapDict,controlDict |
---|
774 | |
---|
775 | def SetHistogramPhaseData(parmDict,sigDict,Phases,Histograms,Print=True): |
---|
776 | |
---|
777 | def PrintSizeAndSig(hapData,sizeSig): |
---|
778 | line = '\n Size model: %9s'%(hapData[0]) |
---|
779 | refine = False |
---|
780 | if hapData[0] in ['isotropic','uniaxial']: |
---|
781 | line += ' equatorial:%12.3f'%(hapData[1][0]) |
---|
782 | if sizeSig[0][0]: |
---|
783 | line += ', sig: %8.3f'%(sizeSig[0][0]) |
---|
784 | refine = True |
---|
785 | if hapData[0] == 'uniaxial': |
---|
786 | line += ' axial:%12.3f'%(hapData[1][1]) |
---|
787 | if sizeSig[0][1]: |
---|
788 | refine = True |
---|
789 | line += ', sig: %8.3f'%(sizeSig[0][1]) |
---|
790 | if refine: |
---|
791 | print line |
---|
792 | else: |
---|
793 | Snames = ['S11','S22','S33','S12','S13','S23'] |
---|
794 | ptlbls = ' name :' |
---|
795 | ptstr = ' value :' |
---|
796 | sigstr = ' sig :' |
---|
797 | for i,name in enumerate(Snames): |
---|
798 | ptlbls += '%12s' % (name) |
---|
799 | ptstr += '%12.6f' % (hapData[4][i]) |
---|
800 | if sizeSig[1][i]: |
---|
801 | refine = True |
---|
802 | sigstr += '%12.6f' % (sizeSig[1][i]) |
---|
803 | else: |
---|
804 | sigstr += 12*' ' |
---|
805 | if refine: |
---|
806 | print line |
---|
807 | print ptlbls |
---|
808 | print ptstr |
---|
809 | print sigstr |
---|
810 | |
---|
811 | def PrintMuStrainAndSig(hapData,mustrainSig,SGData): |
---|
812 | line = '\n Mustrain model: %9s'%(hapData[0]) |
---|
813 | refine = False |
---|
814 | if hapData[0] in ['isotropic','uniaxial']: |
---|
815 | line += ' equatorial:%12.1f'%(hapData[1][0]) |
---|
816 | if mustrainSig[0][0]: |
---|
817 | line += ', sig: %8.1f'%(mustrainSig[0][0]) |
---|
818 | refine = True |
---|
819 | if hapData[0] == 'uniaxial': |
---|
820 | line += ' axial:%12.1f'%(hapData[1][1]) |
---|
821 | if mustrainSig[0][1]: |
---|
822 | line += ', sig: %8.1f'%(mustrainSig[0][1]) |
---|
823 | if refine: |
---|
824 | print line |
---|
825 | else: |
---|
826 | Snames = G2spc.MustrainNames(SGData) |
---|
827 | ptlbls = ' name :' |
---|
828 | ptstr = ' value :' |
---|
829 | sigstr = ' sig :' |
---|
830 | for i,name in enumerate(Snames): |
---|
831 | ptlbls += '%12s' % (name) |
---|
832 | ptstr += '%12.6f' % (hapData[4][i]) |
---|
833 | if mustrainSig[1][i]: |
---|
834 | refine = True |
---|
835 | sigstr += '%12.6f' % (mustrainSig[1][i]) |
---|
836 | else: |
---|
837 | sigstr += 12*' ' |
---|
838 | if refine: |
---|
839 | print line |
---|
840 | print ptlbls |
---|
841 | print ptstr |
---|
842 | print sigstr |
---|
843 | |
---|
844 | def PrintHStrainAndSig(hapData,strainSig,SGData): |
---|
845 | Hsnames = G2spc.HStrainNames(SGData) |
---|
846 | ptlbls = ' name :' |
---|
847 | ptstr = ' value :' |
---|
848 | sigstr = ' sig :' |
---|
849 | refine = False |
---|
850 | for i,name in enumerate(Hsnames): |
---|
851 | ptlbls += '%12s' % (name) |
---|
852 | ptstr += '%12.6g' % (hapData[0][i]) |
---|
853 | if name in strainSig: |
---|
854 | refine = True |
---|
855 | sigstr += '%12.6g' % (strainSig[name]) |
---|
856 | else: |
---|
857 | sigstr += 12*' ' |
---|
858 | if refine: |
---|
859 | print '\n Hydrostatic/elastic strain: ' |
---|
860 | print ptlbls |
---|
861 | print ptstr |
---|
862 | print sigstr |
---|
863 | |
---|
864 | def PrintSHPOAndSig(hapData,POsig): |
---|
865 | print '\n Spherical harmonics preferred orientation: Order:'+str(hapData[4]) |
---|
866 | ptlbls = ' names :' |
---|
867 | ptstr = ' values:' |
---|
868 | sigstr = ' sig :' |
---|
869 | for item in hapData[5]: |
---|
870 | ptlbls += '%12s'%(item) |
---|
871 | ptstr += '%12.3f'%(hapData[5][item]) |
---|
872 | if item in POsig: |
---|
873 | sigstr += '%12.3f'%(POsig[item]) |
---|
874 | else: |
---|
875 | sigstr += 12*' ' |
---|
876 | print ptlbls |
---|
877 | print ptstr |
---|
878 | print sigstr |
---|
879 | |
---|
880 | for phase in Phases: |
---|
881 | HistoPhase = Phases[phase]['Histograms'] |
---|
882 | SGData = Phases[phase]['General']['SGData'] |
---|
883 | pId = Phases[phase]['pId'] |
---|
884 | histoList = HistoPhase.keys() |
---|
885 | histoList.sort() |
---|
886 | for histogram in histoList: |
---|
887 | try: |
---|
888 | Histogram = Histograms[histogram] |
---|
889 | except KeyError: |
---|
890 | #skip if histogram not included e.g. in a sequential refinement |
---|
891 | continue |
---|
892 | print '\n Phase: ',phase,' in histogram: ',histogram |
---|
893 | print 130*'-' |
---|
894 | hapData = HistoPhase[histogram] |
---|
895 | hId = Histogram['hId'] |
---|
896 | pfx = str(pId)+':'+str(hId)+':' |
---|
897 | print ' Final refinement RF, RF^2 = %.2f%%, %.2f%% on %d reflections' \ |
---|
898 | %(Histogram[pfx+'Rf'],Histogram[pfx+'Rf^2'],Histogram[pfx+'Nref']) |
---|
899 | |
---|
900 | PhFrExtPOSig = {} |
---|
901 | for item in ['Scale','Extinction']: |
---|
902 | hapData[item][0] = parmDict[pfx+item] |
---|
903 | if pfx+item in sigDict: |
---|
904 | PhFrExtPOSig[item] = sigDict[pfx+item] |
---|
905 | if hapData['Pref.Ori.'][0] == 'MD': |
---|
906 | hapData['Pref.Ori.'][1] = parmDict[pfx+'MD'] |
---|
907 | if pfx+'MD' in sigDict: |
---|
908 | PhFrExtPOSig['MD'] = sigDict[pfx+'MD'] |
---|
909 | else: #'SH' spherical harmonics |
---|
910 | for item in hapData['Pref.Ori.'][5]: |
---|
911 | hapData['Pref.Ori.'][5][item] = parmDict[pfx+item] |
---|
912 | if pfx+item in sigDict: |
---|
913 | PhFrExtPOSig[item] = sigDict[pfx+item] |
---|
914 | if Print: |
---|
915 | if 'Scale' in PhFrExtPOSig: |
---|
916 | print ' Phase fraction : %10.4f, sig %10.4f'%(hapData['Scale'][0],PhFrExtPOSig['Scale']) |
---|
917 | if 'Extinction' in PhFrExtPOSig: |
---|
918 | print ' Extinction coeff: %10.4f, sig %10.4f'%(hapData['Extinction'][0],PhFrExtPOSig['Extinction']) |
---|
919 | if hapData['Pref.Ori.'][0] == 'MD': |
---|
920 | if 'MD' in PhFrExtPOSig: |
---|
921 | print ' March-Dollase PO: %10.4f, sig %10.4f'%(hapData['Pref.Ori.'][1],PhFrExtPOSig['MD']) |
---|
922 | else: |
---|
923 | PrintSHPOAndSig(hapData['Pref.Ori.'],PhFrExtPOSig) |
---|
924 | SizeMuStrSig = {'Mustrain':[[0,0],[0 for i in range(len(hapData['Mustrain'][4]))]], |
---|
925 | 'Size':[[0,0],[0 for i in range(len(hapData['Size'][4]))]], |
---|
926 | 'HStrain':{}} |
---|
927 | for item in ['Mustrain','Size']: |
---|
928 | if hapData[item][0] in ['isotropic','uniaxial']: |
---|
929 | hapData[item][1][0] = parmDict[pfx+item+':i'] |
---|
930 | if item == 'Size': |
---|
931 | hapData[item][1][0] = min(10.,max(0.001,hapData[item][1][0])) |
---|
932 | if pfx+item+':i' in sigDict: |
---|
933 | SizeMuStrSig[item][0][0] = sigDict[pfx+item+':i'] |
---|
934 | if hapData[item][0] == 'uniaxial': |
---|
935 | hapData[item][1][1] = parmDict[pfx+item+':a'] |
---|
936 | if item == 'Size': |
---|
937 | hapData[item][1][1] = min(10.,max(0.001,hapData[item][1][1])) |
---|
938 | if pfx+item+':a' in sigDict: |
---|
939 | SizeMuStrSig[item][0][1] = sigDict[pfx+item+':a'] |
---|
940 | else: #generalized for mustrain or ellipsoidal for size |
---|
941 | for i in range(len(hapData[item][4])): |
---|
942 | sfx = ':'+str(i) |
---|
943 | hapData[item][4][i] = parmDict[pfx+item+sfx] |
---|
944 | if pfx+item+sfx in sigDict: |
---|
945 | SizeMuStrSig[item][1][i] = sigDict[pfx+item+sfx] |
---|
946 | names = G2spc.HStrainNames(SGData) |
---|
947 | for i,name in enumerate(names): |
---|
948 | hapData['HStrain'][0][i] = parmDict[pfx+name] |
---|
949 | if pfx+name in sigDict: |
---|
950 | SizeMuStrSig['HStrain'][name] = sigDict[pfx+name] |
---|
951 | if Print: |
---|
952 | PrintSizeAndSig(hapData['Size'],SizeMuStrSig['Size']) |
---|
953 | PrintMuStrainAndSig(hapData['Mustrain'],SizeMuStrSig['Mustrain'],SGData) |
---|
954 | PrintHStrainAndSig(hapData['HStrain'],SizeMuStrSig['HStrain'],SGData) |
---|
955 | |
---|
956 | def GetHistogramData(Histograms,Print=True): |
---|
957 | |
---|
958 | def GetBackgroundParms(hId,Background): |
---|
959 | Back = Background[0] |
---|
960 | Debye = Background[1] |
---|
961 | bakType,bakFlag = Back[:2] |
---|
962 | backVals = Back[3:] |
---|
963 | backNames = [':'+str(hId)+':Back:'+str(i) for i in range(len(backVals))] |
---|
964 | backDict = dict(zip(backNames,backVals)) |
---|
965 | backVary = [] |
---|
966 | if bakFlag: |
---|
967 | backVary = backNames |
---|
968 | backDict[':'+str(hId)+':nDebye'] = Debye['nDebye'] |
---|
969 | debyeDict = {} |
---|
970 | debyeList = [] |
---|
971 | for i in range(Debye['nDebye']): |
---|
972 | debyeNames = [':'+str(hId)+':DebyeA:'+str(i),':'+str(hId)+':DebyeR:'+str(i),':'+str(hId)+':DebyeU:'+str(i)] |
---|
973 | debyeDict.update(dict(zip(debyeNames,Debye['debyeTerms'][i][::2]))) |
---|
974 | debyeList += zip(debyeNames,Debye['debyeTerms'][i][1::2]) |
---|
975 | debyeVary = [] |
---|
976 | for item in debyeList: |
---|
977 | if item[1]: |
---|
978 | debyeVary.append(item[0]) |
---|
979 | backDict.update(debyeDict) |
---|
980 | backVary += debyeVary |
---|
981 | return bakType,backDict,backVary |
---|
982 | |
---|
983 | def GetInstParms(hId,Inst): |
---|
984 | insVals,insFlags,insNames = Inst[1:4] |
---|
985 | dataType = insVals[0] |
---|
986 | instDict = {} |
---|
987 | insVary = [] |
---|
988 | pfx = ':'+str(hId)+':' |
---|
989 | for i,flag in enumerate(insFlags): |
---|
990 | insName = pfx+insNames[i] |
---|
991 | instDict[insName] = insVals[i] |
---|
992 | if flag: |
---|
993 | insVary.append(insName) |
---|
994 | instDict[pfx+'X'] = max(instDict[pfx+'X'],0.001) |
---|
995 | instDict[pfx+'Y'] = max(instDict[pfx+'Y'],0.001) |
---|
996 | instDict[pfx+'SH/L'] = max(instDict[pfx+'SH/L'],0.0005) |
---|
997 | return dataType,instDict,insVary |
---|
998 | |
---|
999 | def GetSampleParms(hId,Sample): |
---|
1000 | sampVary = [] |
---|
1001 | hfx = ':'+str(hId)+':' |
---|
1002 | sampDict = {hfx+'Gonio. radius':Sample['Gonio. radius'],hfx+'Omega':Sample['Omega'], |
---|
1003 | hfx+'Chi':Sample['Chi'],hfx+'Phi':Sample['Phi']} |
---|
1004 | Type = Sample['Type'] |
---|
1005 | if 'Bragg' in Type: #Bragg-Brentano |
---|
1006 | for item in ['Scale','Shift','Transparency']: #surface roughness?, diffuse scattering? |
---|
1007 | sampDict[hfx+item] = Sample[item][0] |
---|
1008 | if Sample[item][1]: |
---|
1009 | sampVary.append(hfx+item) |
---|
1010 | elif 'Debye' in Type: #Debye-Scherrer |
---|
1011 | for item in ['Scale','Absorption','DisplaceX','DisplaceY']: |
---|
1012 | sampDict[hfx+item] = Sample[item][0] |
---|
1013 | if Sample[item][1]: |
---|
1014 | sampVary.append(hfx+item) |
---|
1015 | return Type,sampDict,sampVary |
---|
1016 | |
---|
1017 | def PrintBackground(Background): |
---|
1018 | Back = Background[0] |
---|
1019 | Debye = Background[1] |
---|
1020 | print '\n Background function: ',Back[0],' Refine?',bool(Back[1]) |
---|
1021 | line = ' Coefficients: ' |
---|
1022 | for i,back in enumerate(Back[3:]): |
---|
1023 | line += '%10.3f'%(back) |
---|
1024 | if i and not i%10: |
---|
1025 | line += '\n'+15*' ' |
---|
1026 | print line |
---|
1027 | if Debye['nDebye']: |
---|
1028 | print '\n Debye diffuse scattering coefficients' |
---|
1029 | parms = ['DebyeA','DebyeR','DebyeU'] |
---|
1030 | line = ' names :' |
---|
1031 | for parm in parms: |
---|
1032 | line += '%16s'%(parm) |
---|
1033 | print line |
---|
1034 | for j,term in enumerate(Debye['debyeTerms']): |
---|
1035 | line = ' term'+'%2d'%(j)+':' |
---|
1036 | for i in range(3): |
---|
1037 | line += '%10.4g %5s'%(term[2*i],bool(term[2*i+1])) |
---|
1038 | print line |
---|
1039 | |
---|
1040 | def PrintInstParms(Inst): |
---|
1041 | print '\n Instrument Parameters:' |
---|
1042 | ptlbls = ' name :' |
---|
1043 | ptstr = ' value :' |
---|
1044 | varstr = ' refine:' |
---|
1045 | instNames = Inst[3][1:] |
---|
1046 | for i,name in enumerate(instNames): |
---|
1047 | ptlbls += '%12s' % (name) |
---|
1048 | ptstr += '%12.6f' % (Inst[1][i+1]) |
---|
1049 | if name in ['Lam1','Lam2','Azimuth']: |
---|
1050 | varstr += 12*' ' |
---|
1051 | else: |
---|
1052 | varstr += '%12s' % (str(bool(Inst[2][i+1]))) |
---|
1053 | print ptlbls |
---|
1054 | print ptstr |
---|
1055 | print varstr |
---|
1056 | |
---|
1057 | def PrintSampleParms(Sample): |
---|
1058 | print '\n Sample Parameters:' |
---|
1059 | print ' Goniometer omega = %.2f, chi = %.2f, phi = %.2f'% \ |
---|
1060 | (Sample['Omega'],Sample['Chi'],Sample['Phi']) |
---|
1061 | ptlbls = ' name :' |
---|
1062 | ptstr = ' value :' |
---|
1063 | varstr = ' refine:' |
---|
1064 | if 'Bragg' in Sample['Type']: |
---|
1065 | for item in ['Scale','Shift','Transparency']: |
---|
1066 | ptlbls += '%14s'%(item) |
---|
1067 | ptstr += '%14.4f'%(Sample[item][0]) |
---|
1068 | varstr += '%14s'%(str(bool(Sample[item][1]))) |
---|
1069 | |
---|
1070 | elif 'Debye' in Type: #Debye-Scherrer |
---|
1071 | for item in ['Scale','Absorption','DisplaceX','DisplaceY']: |
---|
1072 | ptlbls += '%14s'%(item) |
---|
1073 | ptstr += '%14.4f'%(Sample[item][0]) |
---|
1074 | varstr += '%14s'%(str(bool(Sample[item][1]))) |
---|
1075 | |
---|
1076 | print ptlbls |
---|
1077 | print ptstr |
---|
1078 | print varstr |
---|
1079 | |
---|
1080 | |
---|
1081 | histDict = {} |
---|
1082 | histVary = [] |
---|
1083 | controlDict = {} |
---|
1084 | histoList = Histograms.keys() |
---|
1085 | histoList.sort() |
---|
1086 | for histogram in histoList: |
---|
1087 | Histogram = Histograms[histogram] |
---|
1088 | hId = Histogram['hId'] |
---|
1089 | pfx = ':'+str(hId)+':' |
---|
1090 | controlDict[pfx+'Limits'] = Histogram['Limits'][1] |
---|
1091 | |
---|
1092 | Background = Histogram['Background'] |
---|
1093 | Type,bakDict,bakVary = GetBackgroundParms(hId,Background) |
---|
1094 | controlDict[pfx+'bakType'] = Type |
---|
1095 | histDict.update(bakDict) |
---|
1096 | histVary += bakVary |
---|
1097 | |
---|
1098 | Inst = Histogram['Instrument Parameters'] |
---|
1099 | Type,instDict,insVary = GetInstParms(hId,Inst) |
---|
1100 | controlDict[pfx+'histType'] = Type |
---|
1101 | if pfx+'Lam1' in instDict: |
---|
1102 | controlDict[pfx+'keV'] = 12.397639/instDict[pfx+'Lam1'] |
---|
1103 | else: |
---|
1104 | controlDict[pfx+'keV'] = 12.397639/instDict[pfx+'Lam'] |
---|
1105 | histDict.update(instDict) |
---|
1106 | histVary += insVary |
---|
1107 | |
---|
1108 | Sample = Histogram['Sample Parameters'] |
---|
1109 | Type,sampDict,sampVary = GetSampleParms(hId,Sample) |
---|
1110 | controlDict[pfx+'instType'] = Type |
---|
1111 | histDict.update(sampDict) |
---|
1112 | histVary += sampVary |
---|
1113 | |
---|
1114 | if Print: |
---|
1115 | print '\n Histogram: ',histogram,' histogram Id: ',hId |
---|
1116 | print 135*'-' |
---|
1117 | Units = {'C':' deg','T':' msec'} |
---|
1118 | units = Units[controlDict[pfx+'histType'][2]] |
---|
1119 | Limits = controlDict[pfx+'Limits'] |
---|
1120 | print ' Instrument type: ',Sample['Type'] |
---|
1121 | print ' Histogram limits: %8.2f%s to %8.2f%s'%(Limits[0],units,Limits[1],units) |
---|
1122 | PrintSampleParms(Sample) |
---|
1123 | PrintInstParms(Inst) |
---|
1124 | PrintBackground(Background) |
---|
1125 | |
---|
1126 | return histVary,histDict,controlDict |
---|
1127 | |
---|
1128 | def SetHistogramData(parmDict,sigDict,Histograms,Print=True): |
---|
1129 | |
---|
1130 | def SetBackgroundParms(pfx,Background,parmDict,sigDict): |
---|
1131 | Back = Background[0] |
---|
1132 | Debye = Background[1] |
---|
1133 | lenBack = len(Back[3:]) |
---|
1134 | backSig = [0 for i in range(lenBack+3*Debye['nDebye'])] |
---|
1135 | for i in range(lenBack): |
---|
1136 | Back[3+i] = parmDict[pfx+'Back:'+str(i)] |
---|
1137 | if pfx+'Back:'+str(i) in sigDict: |
---|
1138 | backSig[i] = sigDict[pfx+'Back:'+str(i)] |
---|
1139 | if Debye['nDebye']: |
---|
1140 | for i in range(Debye['nDebye']): |
---|
1141 | names = [pfx+'DebyeA:'+str(i),pfx+'DebyeR:'+str(i),pfx+'DebyeU:'+str(i)] |
---|
1142 | for j,name in enumerate(names): |
---|
1143 | Debye['debyeTerms'][i][2*j] = parmDict[name] |
---|
1144 | if name in sigDict: |
---|
1145 | backSig[lenBack+3*i+j] = sigDict[name] |
---|
1146 | return backSig |
---|
1147 | |
---|
1148 | def SetInstParms(pfx,Inst,parmDict,sigDict): |
---|
1149 | insVals,insFlags,insNames = Inst[1:4] |
---|
1150 | instSig = [0 for i in range(len(insVals))] |
---|
1151 | for i,flag in enumerate(insFlags): |
---|
1152 | insName = pfx+insNames[i] |
---|
1153 | insVals[i] = parmDict[insName] |
---|
1154 | if insName in sigDict: |
---|
1155 | instSig[i] = sigDict[insName] |
---|
1156 | return instSig |
---|
1157 | |
---|
1158 | def SetSampleParms(pfx,Sample,parmDict,sigDict): |
---|
1159 | if 'Bragg' in Sample['Type']: #Bragg-Brentano |
---|
1160 | sampSig = [0 for i in range(3)] |
---|
1161 | for i,item in enumerate(['Scale','Shift','Transparency']): #surface roughness?, diffuse scattering? |
---|
1162 | Sample[item][0] = parmDict[pfx+item] |
---|
1163 | if pfx+item in sigDict: |
---|
1164 | sampSig[i] = sigDict[pfx+item] |
---|
1165 | elif 'Debye' in Sample['Type']: #Debye-Scherrer |
---|
1166 | sampSig = [0 for i in range(4)] |
---|
1167 | for i,item in enumerate(['Scale','Absorption','DisplaceX','DisplaceY']): |
---|
1168 | Sample[item][0] = parmDict[pfx+item] |
---|
1169 | if pfx+item in sigDict: |
---|
1170 | sampSig[i] = sigDict[pfx+item] |
---|
1171 | return sampSig |
---|
1172 | |
---|
1173 | def PrintBackgroundSig(Background,backSig): |
---|
1174 | Back = Background[0] |
---|
1175 | Debye = Background[1] |
---|
1176 | lenBack = len(Back[3:]) |
---|
1177 | valstr = ' value : ' |
---|
1178 | sigstr = ' sig : ' |
---|
1179 | refine = False |
---|
1180 | for i,back in enumerate(Back[3:]): |
---|
1181 | valstr += '%10.4g'%(back) |
---|
1182 | if Back[1]: |
---|
1183 | refine = True |
---|
1184 | sigstr += '%10.4g'%(backSig[i]) |
---|
1185 | else: |
---|
1186 | sigstr += 10*' ' |
---|
1187 | if refine: |
---|
1188 | print '\n Background function: ',Back[0] |
---|
1189 | print valstr |
---|
1190 | print sigstr |
---|
1191 | if Debye['nDebye']: |
---|
1192 | ifAny = False |
---|
1193 | ptfmt = "%12.5f" |
---|
1194 | names = ' names :' |
---|
1195 | ptstr = ' values:' |
---|
1196 | sigstr = ' esds :' |
---|
1197 | for item in sigDict: |
---|
1198 | if 'Debye' in item: |
---|
1199 | ifAny = True |
---|
1200 | names += '%12s'%(item) |
---|
1201 | ptstr += ptfmt%(parmDict[item]) |
---|
1202 | sigstr += ptfmt%(sigDict[item]) |
---|
1203 | if ifAny: |
---|
1204 | print '\n Debye diffuse scattering coefficients' |
---|
1205 | print names |
---|
1206 | print ptstr |
---|
1207 | print sigstr |
---|
1208 | |
---|
1209 | def PrintInstParmsSig(Inst,instSig): |
---|
1210 | ptlbls = ' names :' |
---|
1211 | ptstr = ' value :' |
---|
1212 | sigstr = ' sig :' |
---|
1213 | instNames = Inst[3][1:] |
---|
1214 | refine = False |
---|
1215 | for i,name in enumerate(instNames): |
---|
1216 | ptlbls += '%12s' % (name) |
---|
1217 | ptstr += '%12.6f' % (Inst[1][i+1]) |
---|
1218 | if instSig[i+1]: |
---|
1219 | refine = True |
---|
1220 | sigstr += '%12.6f' % (instSig[i+1]) |
---|
1221 | else: |
---|
1222 | sigstr += 12*' ' |
---|
1223 | if refine: |
---|
1224 | print '\n Instrument Parameters:' |
---|
1225 | print ptlbls |
---|
1226 | print ptstr |
---|
1227 | print sigstr |
---|
1228 | |
---|
1229 | def PrintSampleParmsSig(Sample,sampleSig): |
---|
1230 | ptlbls = ' names :' |
---|
1231 | ptstr = ' values:' |
---|
1232 | sigstr = ' sig :' |
---|
1233 | refine = False |
---|
1234 | if 'Bragg' in Sample['Type']: |
---|
1235 | for i,item in enumerate(['Scale','Shift','Transparency']): |
---|
1236 | ptlbls += '%14s'%(item) |
---|
1237 | ptstr += '%14.4f'%(Sample[item][0]) |
---|
1238 | if sampleSig[i]: |
---|
1239 | refine = True |
---|
1240 | sigstr += '%14.4f'%(sampleSig[i]) |
---|
1241 | else: |
---|
1242 | sigstr += 14*' ' |
---|
1243 | |
---|
1244 | elif 'Debye' in Sample['Type']: #Debye-Scherrer |
---|
1245 | for i,item in enumerate(['Scale','Absorption','DisplaceX','DisplaceY']): |
---|
1246 | ptlbls += '%14s'%(item) |
---|
1247 | ptstr += '%14.4f'%(Sample[item][0]) |
---|
1248 | if sampleSig[i]: |
---|
1249 | refine = True |
---|
1250 | sigstr += '%14.4f'%(sampleSig[i]) |
---|
1251 | else: |
---|
1252 | sigstr += 14*' ' |
---|
1253 | |
---|
1254 | if refine: |
---|
1255 | print '\n Sample Parameters:' |
---|
1256 | print ptlbls |
---|
1257 | print ptstr |
---|
1258 | print sigstr |
---|
1259 | |
---|
1260 | histoList = Histograms.keys() |
---|
1261 | histoList.sort() |
---|
1262 | for histogram in histoList: |
---|
1263 | if 'PWDR' in histogram: |
---|
1264 | Histogram = Histograms[histogram] |
---|
1265 | hId = Histogram['hId'] |
---|
1266 | pfx = ':'+str(hId)+':' |
---|
1267 | Background = Histogram['Background'] |
---|
1268 | backSig = SetBackgroundParms(pfx,Background,parmDict,sigDict) |
---|
1269 | |
---|
1270 | Inst = Histogram['Instrument Parameters'] |
---|
1271 | instSig = SetInstParms(pfx,Inst,parmDict,sigDict) |
---|
1272 | |
---|
1273 | Sample = Histogram['Sample Parameters'] |
---|
1274 | sampSig = SetSampleParms(pfx,Sample,parmDict,sigDict) |
---|
1275 | |
---|
1276 | print '\n Histogram: ',histogram,' histogram Id: ',hId |
---|
1277 | print 135*'-' |
---|
1278 | print ' Final refinement wRp = %.2f%% on %d observations in this histogram'%(Histogram['wRp'],Histogram['Nobs']) |
---|
1279 | if Print: |
---|
1280 | print ' Instrument type: ',Sample['Type'] |
---|
1281 | PrintSampleParmsSig(Sample,sampSig) |
---|
1282 | PrintInstParmsSig(Inst,instSig) |
---|
1283 | PrintBackgroundSig(Background,backSig) |
---|
1284 | |
---|
1285 | def GetAtomFXU(pfx,FFtables,BLtables,calcControls,parmDict): |
---|
1286 | Natoms = calcControls['Natoms'][pfx] |
---|
1287 | Tdata = Natoms*[' ',] |
---|
1288 | Mdata = np.zeros(Natoms) |
---|
1289 | IAdata = Natoms*[' ',] |
---|
1290 | Fdata = np.zeros(Natoms) |
---|
1291 | FFdata = [] |
---|
1292 | BLdata = [] |
---|
1293 | Xdata = np.zeros((3,Natoms)) |
---|
1294 | dXdata = np.zeros((3,Natoms)) |
---|
1295 | Uisodata = np.zeros(Natoms) |
---|
1296 | Uijdata = np.zeros((6,Natoms)) |
---|
1297 | keys = {'Atype:':Tdata,'Amul:':Mdata,'Afrac:':Fdata,'AI/A:':IAdata, |
---|
1298 | 'dAx:':dXdata[0],'dAy:':dXdata[1],'dAz:':dXdata[2], |
---|
1299 | 'Ax:':Xdata[0],'Ay:':Xdata[1],'Az:':Xdata[2],'AUiso:':Uisodata, |
---|
1300 | 'AU11:':Uijdata[0],'AU22:':Uijdata[1],'AU33:':Uijdata[2], |
---|
1301 | 'AU12:':Uijdata[3],'AU13:':Uijdata[4],'AU23:':Uijdata[5]} |
---|
1302 | for iatm in range(Natoms): |
---|
1303 | for key in keys: |
---|
1304 | parm = pfx+key+str(iatm) |
---|
1305 | if parm in parmDict: |
---|
1306 | keys[key][iatm] = parmDict[parm] |
---|
1307 | FFdata.append(FFtables[Tdata[iatm]]) |
---|
1308 | BLdata.append(BLtables[Tdata[iatm]][1]) |
---|
1309 | return FFdata,BLdata,Mdata,Fdata,Xdata,dXdata,IAdata,Uisodata,Uijdata |
---|
1310 | |
---|
1311 | def StructureFactor(refList,G,hfx,pfx,SGData,calcControls,parmDict): |
---|
1312 | ''' Compute structure factors for all h,k,l for phase |
---|
1313 | input: |
---|
1314 | refList: [ref] where each ref = h,k,l,m,d,...,[equiv h,k,l],phase[equiv] |
---|
1315 | G: reciprocal metric tensor |
---|
1316 | pfx: phase id string |
---|
1317 | SGData: space group info. dictionary output from SpcGroup |
---|
1318 | calcControls: |
---|
1319 | ParmDict: |
---|
1320 | puts result F^2 in each ref[8] in refList |
---|
1321 | ''' |
---|
1322 | twopi = 2.0*np.pi |
---|
1323 | twopisq = 2.0*np.pi**2 |
---|
1324 | ast = np.sqrt(np.diag(G)) |
---|
1325 | Mast = twopisq*np.multiply.outer(ast,ast) |
---|
1326 | FFtables = calcControls['FFtables'] |
---|
1327 | BLtables = calcControls['BLtables'] |
---|
1328 | FFdata,BLdata,Mdata,Fdata,Xdata,dXdata,IAdata,Uisodata,Uijdata = GetAtomFXU(pfx,FFtables,BLtables,calcControls,parmDict) |
---|
1329 | if 'N' in parmDict[hfx+'Type']: |
---|
1330 | FP,FPP = G2el.BlenRes(BLdata,parmDict[hfx+'Lam']) |
---|
1331 | else: |
---|
1332 | FP = np.array([El[hfx+'FP'] for El in FFdata]) |
---|
1333 | FPP = np.array([El[hfx+'FPP'] for El in FFdata]) |
---|
1334 | maxPos = len(SGData['SGOps']) |
---|
1335 | Uij = np.array(G2lat.U6toUij(Uijdata)) |
---|
1336 | bij = Mast*Uij.T |
---|
1337 | for refl in refList: |
---|
1338 | fbs = np.array([0,0]) |
---|
1339 | H = refl[:3] |
---|
1340 | SQ = 1./(2.*refl[4])**2 |
---|
1341 | if 'N' in parmDict[hfx+'Type']: |
---|
1342 | FF = np.array([El[1] for El in BLdata]) |
---|
1343 | else: #'X' |
---|
1344 | FF = np.array([G2el.ScatFac(El,SQ)[0] for El in FFdata]) |
---|
1345 | SQfactor = 4.0*SQ*twopisq |
---|
1346 | Uniq = refl[11] |
---|
1347 | phi = refl[12] |
---|
1348 | phase = twopi*(np.inner(Uniq,(dXdata.T+Xdata.T))+phi[:,np.newaxis]) |
---|
1349 | sinp = np.sin(phase) |
---|
1350 | cosp = np.cos(phase) |
---|
1351 | occ = Mdata*Fdata/len(Uniq) |
---|
1352 | biso = -SQfactor*Uisodata |
---|
1353 | Tiso = np.where(biso<1.,np.exp(biso),1.0) |
---|
1354 | HbH = np.array([-np.inner(h,np.inner(bij,h)) for h in Uniq]) |
---|
1355 | Tuij = np.where(HbH<1.,np.exp(HbH),1.0) |
---|
1356 | Tcorr = Tiso*Tuij |
---|
1357 | fa = np.array([(FF+FP)*occ*cosp*Tcorr,-FPP*occ*sinp*Tcorr]) |
---|
1358 | fas = np.sum(np.sum(fa,axis=1),axis=1) #real |
---|
1359 | if not SGData['SGInv']: |
---|
1360 | fb = np.array([(FF+FP)*occ*sinp*Tcorr,FPP*occ*cosp*Tcorr]) |
---|
1361 | fbs = np.sum(np.sum(fb,axis=1),axis=1) |
---|
1362 | fasq = fas**2 |
---|
1363 | fbsq = fbs**2 #imaginary |
---|
1364 | refl[9] = np.sum(fasq)+np.sum(fbsq) |
---|
1365 | refl[10] = atan2d(fbs[0],fas[0]) |
---|
1366 | return refList |
---|
1367 | |
---|
1368 | def StructureFactorDerv(refList,G,hfx,pfx,SGData,calcControls,parmDict): |
---|
1369 | twopi = 2.0*np.pi |
---|
1370 | twopisq = 2.0*np.pi**2 |
---|
1371 | ast = np.sqrt(np.diag(G)) |
---|
1372 | Mast = twopisq*np.multiply.outer(ast,ast) |
---|
1373 | FFtables = calcControls['FFtables'] |
---|
1374 | BLtables = calcControls['BLtables'] |
---|
1375 | FFdata,BLdata,Mdata,Fdata,Xdata,dXdata,IAdata,Uisodata,Uijdata = GetAtomFXU(pfx,FFtables,BLtables,calcControls,parmDict) |
---|
1376 | if 'N' in parmDict[hfx+'Type']: |
---|
1377 | FP = 0. |
---|
1378 | FPP = 0. |
---|
1379 | else: |
---|
1380 | FP = np.array([El[hfx+'FP'] for El in FFdata]) |
---|
1381 | FPP = np.array([El[hfx+'FPP'] for El in FFdata]) |
---|
1382 | maxPos = len(SGData['SGOps']) |
---|
1383 | Uij = np.array(G2lat.U6toUij(Uijdata)) |
---|
1384 | bij = Mast*Uij.T |
---|
1385 | dFdvDict = {} |
---|
1386 | dFdfr = np.zeros((len(refList),len(Mdata))) |
---|
1387 | dFdx = np.zeros((len(refList),len(Mdata),3)) |
---|
1388 | dFdui = np.zeros((len(refList),len(Mdata))) |
---|
1389 | dFdua = np.zeros((len(refList),len(Mdata),6)) |
---|
1390 | for iref,refl in enumerate(refList): |
---|
1391 | H = np.array(refl[:3]) |
---|
1392 | SQ = 1./(2.*refl[4])**2 # or (sin(theta)/lambda)**2 |
---|
1393 | if 'N' in parmDict[hfx+'Type']: |
---|
1394 | FF = np.array([El[1] for El in BLdata]) |
---|
1395 | else: #'X' |
---|
1396 | FF = np.array([G2el.ScatFac(El,SQ)[0] for El in FFdata]) |
---|
1397 | SQfactor = 8.0*SQ*np.pi**2 |
---|
1398 | Uniq = refl[11] |
---|
1399 | phi = refl[12] |
---|
1400 | phase = twopi*(np.inner((dXdata.T+Xdata.T),Uniq)+phi[np.newaxis,:]) |
---|
1401 | sinp = np.sin(phase) |
---|
1402 | cosp = np.cos(phase) |
---|
1403 | occ = Mdata*Fdata/len(Uniq) |
---|
1404 | biso = -SQfactor*Uisodata |
---|
1405 | Tiso = np.where(biso<1.,np.exp(biso),1.0) |
---|
1406 | # HbH = np.array([-np.inner(h,np.inner(bij,h)) for h in Uniq]) |
---|
1407 | HbH = -np.inner(H,np.inner(bij,H)) |
---|
1408 | Hij = np.array([Mast*np.multiply.outer(U,U) for U in Uniq]) |
---|
1409 | Hij = np.array([G2lat.UijtoU6(Uij) for Uij in Hij]) |
---|
1410 | Tuij = np.where(HbH<1.,np.exp(HbH),1.0) |
---|
1411 | Tcorr = Tiso*Tuij |
---|
1412 | fot = (FF+FP)*occ*Tcorr |
---|
1413 | fotp = FPP*occ*Tcorr |
---|
1414 | fa = np.array([fot[:,np.newaxis]*cosp,fotp[:,np.newaxis]*cosp]) #non positions |
---|
1415 | fb = np.array([fot[:,np.newaxis]*sinp,-fotp[:,np.newaxis]*sinp]) |
---|
1416 | |
---|
1417 | fas = np.sum(np.sum(fa,axis=1),axis=1) |
---|
1418 | fbs = np.sum(np.sum(fb,axis=1),axis=1) |
---|
1419 | fax = np.array([-fot[:,np.newaxis]*sinp,-fotp[:,np.newaxis]*sinp]) #positions |
---|
1420 | fbx = np.array([fot[:,np.newaxis]*cosp,-fot[:,np.newaxis]*cosp]) |
---|
1421 | #sum below is over Uniq |
---|
1422 | dfadfr = np.sum(fa/occ[:,np.newaxis],axis=2) |
---|
1423 | dfadx = np.sum(twopi*Uniq*fax[:,:,:,np.newaxis],axis=2) |
---|
1424 | dfadui = np.sum(-SQfactor*fa,axis=2) |
---|
1425 | dfadua = np.sum(-Hij*fa[:,:,:,np.newaxis],axis=2) |
---|
1426 | #NB: the above have been checked against PA(1:10,1:2) in strfctr.for |
---|
1427 | dFdfr[iref] = 2.*(fas[0]*dfadfr[0]+fas[1]*dfadfr[1])*Mdata/len(Uniq) |
---|
1428 | dFdx[iref] = 2.*(fas[0]*dfadx[0]+fas[1]*dfadx[1]) |
---|
1429 | dFdui[iref] = 2.*(fas[0]*dfadui[0]+fas[1]*dfadui[1]) |
---|
1430 | dFdua[iref] = 2.*(fas[0]*dfadua[0]+fas[1]*dfadua[1]) |
---|
1431 | if not SGData['SGInv']: |
---|
1432 | dfbdfr = np.sum(fb/occ[:,np.newaxis],axis=2) #problem here if occ=0 for some atom |
---|
1433 | dfbdx = np.sum(twopi*Uniq*fbx[:,:,:,np.newaxis],axis=2) |
---|
1434 | dfbdui = np.sum(-SQfactor*fb,axis=2) |
---|
1435 | dfbdua = np.sum(-Hij*fb[:,:,:,np.newaxis],axis=2) |
---|
1436 | dFdfr[iref] += 2.*(fbs[0]*dfbdfr[0]-fbs[1]*dfbdfr[1])*Mdata/len(Uniq) |
---|
1437 | dFdx[iref] += 2.*(fbs[0]*dfbdx[0]+fbs[1]*dfbdx[1]) |
---|
1438 | dFdui[iref] += 2.*(fbs[0]*dfbdui[0]-fbs[1]*dfbdui[1]) |
---|
1439 | dFdua[iref] += 2.*(fbs[0]*dfbdua[0]+fbs[1]*dfbdua[1]) |
---|
1440 | #loop over atoms - each dict entry is list of derivatives for all the reflections |
---|
1441 | for i in range(len(Mdata)): |
---|
1442 | dFdvDict[pfx+'Afrac:'+str(i)] = dFdfr.T[i] |
---|
1443 | dFdvDict[pfx+'dAx:'+str(i)] = dFdx.T[0][i] |
---|
1444 | dFdvDict[pfx+'dAy:'+str(i)] = dFdx.T[1][i] |
---|
1445 | dFdvDict[pfx+'dAz:'+str(i)] = dFdx.T[2][i] |
---|
1446 | dFdvDict[pfx+'AUiso:'+str(i)] = dFdui.T[i] |
---|
1447 | dFdvDict[pfx+'AU11:'+str(i)] = dFdua.T[0][i] |
---|
1448 | dFdvDict[pfx+'AU22:'+str(i)] = dFdua.T[1][i] |
---|
1449 | dFdvDict[pfx+'AU33:'+str(i)] = dFdua.T[2][i] |
---|
1450 | dFdvDict[pfx+'AU12:'+str(i)] = 2.*dFdua.T[3][i] |
---|
1451 | dFdvDict[pfx+'AU13:'+str(i)] = 2.*dFdua.T[4][i] |
---|
1452 | dFdvDict[pfx+'AU23:'+str(i)] = 2.*dFdua.T[5][i] |
---|
1453 | return dFdvDict |
---|
1454 | |
---|
1455 | def Dict2Values(parmdict, varylist): |
---|
1456 | '''Use before call to leastsq to setup list of values for the parameters |
---|
1457 | in parmdict, as selected by key in varylist''' |
---|
1458 | return [parmdict[key] for key in varylist] |
---|
1459 | |
---|
1460 | def Values2Dict(parmdict, varylist, values): |
---|
1461 | ''' Use after call to leastsq to update the parameter dictionary with |
---|
1462 | values corresponding to keys in varylist''' |
---|
1463 | parmdict.update(zip(varylist,values)) |
---|
1464 | |
---|
1465 | def GetNewCellParms(parmDict,varyList): |
---|
1466 | newCellDict = {} |
---|
1467 | Ddict = dict(zip(['D11','D22','D33','D12','D13','D23'],['A'+str(i) for i in range(6)])) |
---|
1468 | for item in varyList: |
---|
1469 | keys = item.split(':') |
---|
1470 | if keys[2] in Ddict: |
---|
1471 | key = keys[0]+'::'+Ddict[keys[2]] |
---|
1472 | parm = keys[0]+'::'+keys[2] |
---|
1473 | newCellDict[parm] = [key,parmDict[key]+parmDict[item]] |
---|
1474 | return newCellDict |
---|
1475 | |
---|
1476 | def ApplyXYZshifts(parmDict,varyList): |
---|
1477 | ''' takes atom x,y,z shift and applies it to corresponding atom x,y,z value |
---|
1478 | input: |
---|
1479 | parmDict - parameter dictionary |
---|
1480 | varyList - list of variables |
---|
1481 | returns: |
---|
1482 | newAtomDict - dictitemionary of new atomic coordinate names & values; |
---|
1483 | key is parameter shift name |
---|
1484 | ''' |
---|
1485 | newAtomDict = {} |
---|
1486 | for item in parmDict: |
---|
1487 | if 'dA' in item: |
---|
1488 | parm = ''.join(item.split('d')) |
---|
1489 | parmDict[parm] += parmDict[item] |
---|
1490 | newAtomDict[item] = [parm,parmDict[parm]] |
---|
1491 | return newAtomDict |
---|
1492 | |
---|
1493 | def SHTXcal(refl,g,pfx,hfx,SGData,calcControls,parmDict): |
---|
1494 | IFCoup = 'Bragg' in calcControls[hfx+'instType'] |
---|
1495 | odfCor = 1.0 |
---|
1496 | H = refl[:3] |
---|
1497 | cell = G2lat.Gmat2cell(g) |
---|
1498 | Sangls = [parmDict[pfx+'SH omega'],parmDict[pfx+'SH chi'],parmDict[pfx+'SH phi']] |
---|
1499 | Gangls = [parmDict[hfx+'Omega'],parmDict[hfx+'Chi'],parmDict[hfx+'Phi'],parmDict[hfx+'Azimuth']] |
---|
1500 | phi,beta = G2lat.CrsAng(H,cell,SGData) |
---|
1501 | psi,gam,x,x = G2lat.SamAng(refl[5]/2.,Gangls,Sangls,IFCoup) #ignore 2 sets of angle derivs. |
---|
1502 | SHnames = G2lat.GenSHCoeff(SGData['SGLaue'],parmDict[pfx+'SHmodel'],parmDict[pfx+'SHorder']) |
---|
1503 | for item in SHnames: |
---|
1504 | L,M,N = eval(item.strip('C')) |
---|
1505 | Kcl = G2lat.GetKcl(L,N,SGData['SGLaue'],phi,beta) |
---|
1506 | Ksl,x,x = G2lat.GetKsl(L,M,parmDict[pfx+'SHmodel'],psi,gam) |
---|
1507 | Lnorm = G2lat.Lnorm(L) |
---|
1508 | odfCor += parmDict[pfx+item]*Lnorm*Kcl*Ksl |
---|
1509 | return odfCor |
---|
1510 | |
---|
1511 | def SHTXcalDerv(refl,g,pfx,hfx,SGData,calcControls,parmDict): |
---|
1512 | FORPI = 12.5663706143592 |
---|
1513 | IFCoup = 'Bragg' in calcControls[hfx+'instType'] |
---|
1514 | odfCor = 1.0 |
---|
1515 | dFdODF = {} |
---|
1516 | dFdSA = [0,0,0] |
---|
1517 | H = refl[:3] |
---|
1518 | cell = G2lat.Gmat2cell(g) |
---|
1519 | Sangls = [parmDict[pfx+'SH omega'],parmDict[pfx+'SH chi'],parmDict[pfx+'SH phi']] |
---|
1520 | Gangls = [parmDict[hfx+'Omega'],parmDict[hfx+'Chi'],parmDict[hfx+'Phi'],parmDict[hfx+'Azimuth']] |
---|
1521 | phi,beta = G2lat.CrsAng(H,cell,SGData) |
---|
1522 | psi,gam,dPSdA,dGMdA = G2lat.SamAng(refl[5]/2.,Gangls,Sangls,IFCoup) |
---|
1523 | SHnames = G2lat.GenSHCoeff(SGData['SGLaue'],parmDict[pfx+'SHmodel'],parmDict[pfx+'SHorder']) |
---|
1524 | for item in SHnames: |
---|
1525 | L,M,N = eval(item.strip('C')) |
---|
1526 | Kcl = G2lat.GetKcl(L,N,SGData['SGLaue'],phi,beta) |
---|
1527 | Ksl,dKsdp,dKsdg = G2lat.GetKsl(L,M,parmDict[pfx+'SHmodel'],psi,gam) |
---|
1528 | Lnorm = G2lat.Lnorm(L) |
---|
1529 | odfCor += parmDict[pfx+item]*Lnorm*Kcl*Ksl |
---|
1530 | dFdODF[pfx+item] = Lnorm*Kcl*Ksl |
---|
1531 | for i in range(3): |
---|
1532 | dFdSA[i] += parmDict[pfx+item]*Lnorm*Kcl*(dKsdp*dPSdA[i]+dKsdg*dGMdA[i]) |
---|
1533 | return odfCor,dFdODF,dFdSA |
---|
1534 | |
---|
1535 | def SHPOcal(refl,g,phfx,hfx,SGData,calcControls,parmDict): |
---|
1536 | odfCor = 1.0 |
---|
1537 | H = refl[:3] |
---|
1538 | cell = G2lat.Gmat2cell(g) |
---|
1539 | Sangl = [0.,0.,0.] |
---|
1540 | if 'Bragg' in calcControls[hfx+'instType']: |
---|
1541 | Gangls = [0.,90.,0.,parmDict[hfx+'Azimuth']] |
---|
1542 | IFCoup = True |
---|
1543 | else: |
---|
1544 | Gangls = [0.,0.,0.,parmDict[hfx+'Azimuth']] |
---|
1545 | IFCoup = False |
---|
1546 | phi,beta = G2lat.CrsAng(H,cell,SGData) |
---|
1547 | psi,gam,x,x = G2lat.SamAng(refl[5]/2.,Gangls,Sangl,IFCoup) #ignore 2 sets of angle derivs. |
---|
1548 | SHnames = G2lat.GenSHCoeff(SGData['SGLaue'],'0',calcControls[phfx+'SHord'],False) |
---|
1549 | for item in SHnames: |
---|
1550 | L,N = eval(item.strip('C')) |
---|
1551 | Kcsl,Lnorm = G2lat.GetKclKsl(L,N,SGData['SGLaue'],psi,phi,beta) |
---|
1552 | odfCor += parmDict[phfx+item]*Lnorm*Kcsl |
---|
1553 | return odfCor |
---|
1554 | |
---|
1555 | def SHPOcalDerv(refl,g,phfx,hfx,SGData,calcControls,parmDict): |
---|
1556 | FORPI = 12.5663706143592 |
---|
1557 | odfCor = 1.0 |
---|
1558 | dFdODF = {} |
---|
1559 | H = refl[:3] |
---|
1560 | cell = G2lat.Gmat2cell(g) |
---|
1561 | Sangl = [0.,0.,0.] |
---|
1562 | if 'Bragg' in calcControls[hfx+'instType']: |
---|
1563 | Gangls = [0.,90.,0.,parmDict[hfx+'Azimuth']] |
---|
1564 | IFCoup = True |
---|
1565 | else: |
---|
1566 | Gangls = [0.,0.,0.,parmDict[hfx+'Azimuth']] |
---|
1567 | IFCoup = False |
---|
1568 | phi,beta = G2lat.CrsAng(H,cell,SGData) |
---|
1569 | psi,gam,x,x = G2lat.SamAng(refl[5]/2.,Gangls,Sangl,IFCoup) #ignore 2 sets of angle derivs. |
---|
1570 | SHnames = G2lat.GenSHCoeff(SGData['SGLaue'],'0',calcControls[phfx+'SHord'],False) |
---|
1571 | for item in SHnames: |
---|
1572 | L,N = eval(item.strip('C')) |
---|
1573 | Kcsl,Lnorm = G2lat.GetKclKsl(L,N,SGData['SGLaue'],psi,phi,beta) |
---|
1574 | odfCor += parmDict[phfx+item]*Lnorm*Kcsl |
---|
1575 | dFdODF[phfx+item] = Kcsl*Lnorm |
---|
1576 | return odfCor,dFdODF |
---|
1577 | |
---|
1578 | def GetPrefOri(refl,G,g,phfx,hfx,SGData,calcControls,parmDict): |
---|
1579 | if calcControls[phfx+'poType'] == 'MD': |
---|
1580 | MD = parmDict[phfx+'MD'] |
---|
1581 | MDAxis = calcControls[phfx+'MDAxis'] |
---|
1582 | sumMD = 0 |
---|
1583 | for H in refl[11]: |
---|
1584 | cosP,sinP = G2lat.CosSinAngle(H,MDAxis,G) |
---|
1585 | A = 1.0/np.sqrt((MD*cosP)**2+sinP**2/MD) |
---|
1586 | sumMD += A**3 |
---|
1587 | POcorr = sumMD/len(refl[11]) |
---|
1588 | else: #spherical harmonics |
---|
1589 | POcorr = SHPOcal(refl,g,phfx,hfx,SGData,calcControls,parmDict) |
---|
1590 | return POcorr |
---|
1591 | |
---|
1592 | def GetPrefOriDerv(refl,G,g,phfx,hfx,SGData,calcControls,parmDict): |
---|
1593 | POderv = {} |
---|
1594 | if calcControls[phfx+'poType'] == 'MD': |
---|
1595 | MD = parmDict[phfx+'MD'] |
---|
1596 | MDAxis = calcControls[phfx+'MDAxis'] |
---|
1597 | sumMD = 0 |
---|
1598 | sumdMD = 0 |
---|
1599 | for H in refl[11]: |
---|
1600 | cosP,sinP = G2lat.CosSinAngle(H,MDAxis,G) |
---|
1601 | A = 1.0/np.sqrt((MD*cosP)**2+sinP**2/MD) |
---|
1602 | sumMD += A**3 |
---|
1603 | sumdMD -= (1.5*A**5)*(2.0*MD*cosP**2-(sinP/MD)**2) |
---|
1604 | POcorr = sumMD/len(refl[11]) |
---|
1605 | POderv[phfx+'MD'] = sumdMD/len(refl[11]) |
---|
1606 | else: #spherical harmonics |
---|
1607 | POcorr,POderv = SHPOcalDerv(refl,g,phfx,hfx,SGData,calcControls,parmDict) |
---|
1608 | return POcorr,POderv |
---|
1609 | |
---|
1610 | def GetIntensityCorr(refl,G,g,pfx,phfx,hfx,SGData,calcControls,parmDict): |
---|
1611 | Icorr = parmDict[phfx+'Scale']*parmDict[hfx+'Scale']*refl[3] #scale*multiplicity |
---|
1612 | if 'X' in parmDict[hfx+'Type']: |
---|
1613 | Icorr *= G2pwd.Polarization(parmDict[hfx+'Polariz.'],refl[5],parmDict[hfx+'Azimuth'])[0] |
---|
1614 | Icorr *= GetPrefOri(refl,G,g,phfx,hfx,SGData,calcControls,parmDict) |
---|
1615 | if pfx+'SHorder' in parmDict: |
---|
1616 | Icorr *= SHTXcal(refl,g,pfx,hfx,SGData,calcControls,parmDict) |
---|
1617 | refl[13] = Icorr |
---|
1618 | |
---|
1619 | def GetIntensityDerv(refl,G,g,pfx,phfx,hfx,SGData,calcControls,parmDict): |
---|
1620 | dIdsh = 1./parmDict[hfx+'Scale'] |
---|
1621 | dIdsp = 1./parmDict[phfx+'Scale'] |
---|
1622 | if 'X' in parmDict[hfx+'Type']: |
---|
1623 | pola,dIdPola = G2pwd.Polarization(parmDict[hfx+'Polariz.'],refl[5],parmDict[hfx+'Azimuth']) |
---|
1624 | dIdPola /= pola |
---|
1625 | else: #'N' |
---|
1626 | dIdPola = 0.0 |
---|
1627 | POcorr,dIdPO = GetPrefOriDerv(refl,G,g,phfx,hfx,SGData,calcControls,parmDict) |
---|
1628 | for iPO in dIdPO: |
---|
1629 | dIdPO[iPO] /= POcorr |
---|
1630 | dFdODF = {} |
---|
1631 | dFdSA = [0,0,0] |
---|
1632 | if pfx+'SHorder' in parmDict: |
---|
1633 | odfCor,dFdODF,dFdSA = SHTXcalDerv(refl,g,pfx,hfx,SGData,calcControls,parmDict) |
---|
1634 | for iSH in dFdODF: |
---|
1635 | dFdODF[iSH] /= odfCor |
---|
1636 | for i in range(3): |
---|
1637 | dFdSA[i] /= odfCor |
---|
1638 | return dIdsh,dIdsp,dIdPola,dIdPO,dFdODF,dFdSA |
---|
1639 | |
---|
1640 | def GetSampleGam(refl,wave,G,GB,phfx,calcControls,parmDict): |
---|
1641 | costh = cosd(refl[5]/2.) |
---|
1642 | #crystallite size |
---|
1643 | if calcControls[phfx+'SizeType'] == 'isotropic': |
---|
1644 | gam = 1.8*wave/(np.pi*parmDict[phfx+'Size:i']*costh) |
---|
1645 | elif calcControls[phfx+'SizeType'] == 'uniaxial': |
---|
1646 | H = np.array(refl[:3]) |
---|
1647 | P = np.array(calcControls[phfx+'SizeAxis']) |
---|
1648 | cosP,sinP = G2lat.CosSinAngle(H,P,G) |
---|
1649 | gam = (1.8*wave/np.pi)/(parmDict[phfx+'Size:i']*parmDict[phfx+'Size:a']*costh) |
---|
1650 | gam *= np.sqrt((sinP*parmDict[phfx+'Size:a'])**2+(cosP*parmDict[phfx+'Size:i'])**2) |
---|
1651 | else: #ellipsoidal crystallites |
---|
1652 | Sij =[parmDict[phfx+'Size:%d'%(i)] for i in range(6)] |
---|
1653 | H = np.array(refl[:3]) |
---|
1654 | lenR = G2pwd.ellipseSize(H,Sij,GB) |
---|
1655 | gam = 1.8*wave/(np.pi*costh*lenR) |
---|
1656 | #microstrain |
---|
1657 | if calcControls[phfx+'MustrainType'] == 'isotropic': |
---|
1658 | gam += 0.018*parmDict[phfx+'Mustrain:i']*tand(refl[5]/2.)/np.pi |
---|
1659 | elif calcControls[phfx+'MustrainType'] == 'uniaxial': |
---|
1660 | H = np.array(refl[:3]) |
---|
1661 | P = np.array(calcControls[phfx+'MustrainAxis']) |
---|
1662 | cosP,sinP = G2lat.CosSinAngle(H,P,G) |
---|
1663 | Si = parmDict[phfx+'Mustrain:i'] |
---|
1664 | Sa = parmDict[phfx+'Mustrain:a'] |
---|
1665 | gam += 0.018*Si*Sa*tand(refl[5]/2.)/(np.pi*np.sqrt((Si*cosP)**2+(Sa*sinP)**2)) |
---|
1666 | else: #generalized - P.W. Stephens model |
---|
1667 | pwrs = calcControls[phfx+'MuPwrs'] |
---|
1668 | sum = 0 |
---|
1669 | for i,pwr in enumerate(pwrs): |
---|
1670 | sum += parmDict[phfx+'Mustrain:'+str(i)]*refl[0]**pwr[0]*refl[1]**pwr[1]*refl[2]**pwr[2] |
---|
1671 | gam += 0.018*refl[4]**2*tand(refl[5]/2.)*sum |
---|
1672 | return gam |
---|
1673 | |
---|
1674 | def GetSampleGamDerv(refl,wave,G,GB,phfx,calcControls,parmDict): |
---|
1675 | gamDict = {} |
---|
1676 | costh = cosd(refl[5]/2.) |
---|
1677 | tanth = tand(refl[5]/2.) |
---|
1678 | #crystallite size derivatives |
---|
1679 | if calcControls[phfx+'SizeType'] == 'isotropic': |
---|
1680 | gamDict[phfx+'Size:i'] = -1.80*wave/(np.pi*costh) |
---|
1681 | elif calcControls[phfx+'SizeType'] == 'uniaxial': |
---|
1682 | H = np.array(refl[:3]) |
---|
1683 | P = np.array(calcControls[phfx+'SizeAxis']) |
---|
1684 | cosP,sinP = G2lat.CosSinAngle(H,P,G) |
---|
1685 | Si = parmDict[phfx+'Size:i'] |
---|
1686 | Sa = parmDict[phfx+'Size:a'] |
---|
1687 | gami = (1.8*wave/np.pi)/(Si*Sa) |
---|
1688 | sqtrm = np.sqrt((sinP*Sa)**2+(cosP*Si)**2) |
---|
1689 | gam = gami*sqtrm/costh |
---|
1690 | gamDict[phfx+'Size:i'] = gami*Si*cosP**2/(sqtrm*costh)-gam/Si |
---|
1691 | gamDict[phfx+'Size:a'] = gami*Sa*sinP**2/(sqtrm*costh)-gam/Sa |
---|
1692 | else: #ellipsoidal crystallites |
---|
1693 | const = 1.8*wave/(np.pi*costh) |
---|
1694 | Sij =[parmDict[phfx+'Size:%d'%(i)] for i in range(6)] |
---|
1695 | H = np.array(refl[:3]) |
---|
1696 | R,dRdS = G2pwd.ellipseSizeDerv(H,Sij,GB) |
---|
1697 | for i,item in enumerate([phfx+'Size:%d'%(j) for j in range(6)]): |
---|
1698 | gamDict[item] = -(const/R**2)*dRdS[i] |
---|
1699 | #microstrain derivatives |
---|
1700 | if calcControls[phfx+'MustrainType'] == 'isotropic': |
---|
1701 | gamDict[phfx+'Mustrain:i'] = 0.018*tanth/np.pi |
---|
1702 | elif calcControls[phfx+'MustrainType'] == 'uniaxial': |
---|
1703 | H = np.array(refl[:3]) |
---|
1704 | P = np.array(calcControls[phfx+'MustrainAxis']) |
---|
1705 | cosP,sinP = G2lat.CosSinAngle(H,P,G) |
---|
1706 | Si = parmDict[phfx+'Mustrain:i'] |
---|
1707 | Sa = parmDict[phfx+'Mustrain:a'] |
---|
1708 | gami = 0.018*Si*Sa*tanth/np.pi |
---|
1709 | sqtrm = np.sqrt((Si*cosP)**2+(Sa*sinP)**2) |
---|
1710 | gam = gami/sqtrm |
---|
1711 | gamDict[phfx+'Mustrain:i'] = gam/Si-gami*Si*cosP**2/sqtrm**3 |
---|
1712 | gamDict[phfx+'Mustrain:a'] = gam/Sa-gami*Sa*sinP**2/sqtrm**3 |
---|
1713 | else: #generalized - P.W. Stephens model |
---|
1714 | pwrs = calcControls[phfx+'MuPwrs'] |
---|
1715 | const = 0.018*refl[4]**2*tanth |
---|
1716 | for i,pwr in enumerate(pwrs): |
---|
1717 | gamDict[phfx+'Mustrain:'+str(i)] = const*refl[0]**pwr[0]*refl[1]**pwr[1]*refl[2]**pwr[2] |
---|
1718 | return gamDict |
---|
1719 | |
---|
1720 | def GetReflPos(refl,wave,G,hfx,calcControls,parmDict): |
---|
1721 | h,k,l = refl[:3] |
---|
1722 | dsq = 1./G2lat.calc_rDsq2(np.array([h,k,l]),G) |
---|
1723 | d = np.sqrt(dsq) |
---|
1724 | |
---|
1725 | refl[4] = d |
---|
1726 | pos = 2.0*asind(wave/(2.0*d))+parmDict[hfx+'Zero'] |
---|
1727 | const = 9.e-2/(np.pi*parmDict[hfx+'Gonio. radius']) #shifts in microns |
---|
1728 | if 'Bragg' in calcControls[hfx+'instType']: |
---|
1729 | pos -= const*(4.*parmDict[hfx+'Shift']*cosd(pos/2.0)+ \ |
---|
1730 | parmDict[hfx+'Transparency']*sind(pos)*100.0) #trans(=1/mueff) in cm |
---|
1731 | else: #Debye-Scherrer - simple but maybe not right |
---|
1732 | pos -= const*(parmDict[hfx+'DisplaceX']*cosd(pos)+parmDict[hfx+'DisplaceY']*sind(pos)) |
---|
1733 | return pos |
---|
1734 | |
---|
1735 | def GetReflPosDerv(refl,wave,A,hfx,calcControls,parmDict): |
---|
1736 | dpr = 180./np.pi |
---|
1737 | h,k,l = refl[:3] |
---|
1738 | dstsq = G2lat.calc_rDsq(np.array([h,k,l]),A) |
---|
1739 | dst = np.sqrt(dstsq) |
---|
1740 | pos = refl[5]-parmDict[hfx+'Zero'] |
---|
1741 | const = dpr/np.sqrt(1.0-wave**2*dstsq/4.0) |
---|
1742 | dpdw = const*dst |
---|
1743 | dpdA = np.array([h**2,k**2,l**2,h*k,h*l,k*l]) |
---|
1744 | dpdA *= const*wave/(2.0*dst) |
---|
1745 | dpdZ = 1.0 |
---|
1746 | const = 9.e-2/(np.pi*parmDict[hfx+'Gonio. radius']) #shifts in microns |
---|
1747 | if 'Bragg' in calcControls[hfx+'instType']: |
---|
1748 | dpdSh = -4.*const*cosd(pos/2.0) |
---|
1749 | dpdTr = -const*sind(pos)*100.0 |
---|
1750 | return dpdA,dpdw,dpdZ,dpdSh,dpdTr,0.,0. |
---|
1751 | else: #Debye-Scherrer - simple but maybe not right |
---|
1752 | dpdXd = -const*cosd(pos) |
---|
1753 | dpdYd = -const*sind(pos) |
---|
1754 | return dpdA,dpdw,dpdZ,0.,0.,dpdXd,dpdYd |
---|
1755 | |
---|
1756 | def GetHStrainShift(refl,SGData,phfx,parmDict): |
---|
1757 | laue = SGData['SGLaue'] |
---|
1758 | uniq = SGData['SGUniq'] |
---|
1759 | h,k,l = refl[:3] |
---|
1760 | if laue in ['m3','m3m']: |
---|
1761 | Dij = parmDict[phfx+'D11']*(h**2+k**2+l**2)+ \ |
---|
1762 | refl[4]**2*parmDict[phfx+'eA']*((h*k)**2+(h*l)**2+(k*l)**2)/(h**2+k**2+l**2)**2 |
---|
1763 | elif laue in ['6/m','6/mmm','3m1','31m','3']: |
---|
1764 | Dij = parmDict[phfx+'D11']*(h**2+k**2+h*k)+parmDict[phfx+'D33']*l**2 |
---|
1765 | elif laue in ['3R','3mR']: |
---|
1766 | Dij = parmDict[phfx+'D11']*(h**2+k**2+l**2)+parmDict[phfx+'D12']*(h*k+h*l+k*l) |
---|
1767 | elif laue in ['4/m','4/mmm']: |
---|
1768 | Dij = parmDict[phfx+'D11']*(h**2+k**2)+parmDict[phfx+'D33']*l**2 |
---|
1769 | elif laue in ['mmm']: |
---|
1770 | Dij = parmDict[phfx+'D11']*h**2+parmDict[phfx+'D22']*k**2+parmDict[phfx+'D33']*l**2 |
---|
1771 | elif laue in ['2/m']: |
---|
1772 | Dij = parmDict[phfx+'D11']*h**2+parmDict[phfx+'D22']*k**2+parmDict[phfx+'D33']*l**2 |
---|
1773 | if uniq == 'a': |
---|
1774 | Dij += parmDict[phfx+'D23']*k*l |
---|
1775 | elif uniq == 'b': |
---|
1776 | Dij += parmDict[phfx+'D13']*h*l |
---|
1777 | elif uniq == 'c': |
---|
1778 | Dij += parmDict[phfx+'D12']*h*k |
---|
1779 | else: |
---|
1780 | Dij = parmDict[phfx+'D11']*h**2+parmDict[phfx+'D22']*k**2+parmDict[phfx+'D33']*l**2+ \ |
---|
1781 | parmDict[phfx+'D12']*h*k+parmDict[phfx+'D13']*h*l+parmDict[phfx+'D23']*k*l |
---|
1782 | return Dij*refl[4]**2*tand(refl[5]/2.0) |
---|
1783 | |
---|
1784 | def GetHStrainShiftDerv(refl,SGData,phfx): |
---|
1785 | laue = SGData['SGLaue'] |
---|
1786 | uniq = SGData['SGUniq'] |
---|
1787 | h,k,l = refl[:3] |
---|
1788 | if laue in ['m3','m3m']: |
---|
1789 | dDijDict = {phfx+'D11':h**2+k**2+l**2, |
---|
1790 | phfx+'eA':((h*k)**2+(h*l)**2+(k*l)**2)/(h**2+k**2+l**2)**2} |
---|
1791 | elif laue in ['6/m','6/mmm','3m1','31m','3']: |
---|
1792 | dDijDict = {phfx+'D11':h**2+k**2+h*k,phfx+'D33':l**2} |
---|
1793 | elif laue in ['3R','3mR']: |
---|
1794 | dDijDict = {phfx+'D11':h**2+k**2+l**2,phfx+'D12':h*k+h*l+k*l} |
---|
1795 | elif laue in ['4/m','4/mmm']: |
---|
1796 | dDijDict = {phfx+'D11':h**2+k**2,phfx+'D33':l**2} |
---|
1797 | elif laue in ['mmm']: |
---|
1798 | dDijDict = {phfx+'D11':h**2,phfx+'D22':k**2,phfx+'D33':l**2} |
---|
1799 | elif laue in ['2/m']: |
---|
1800 | dDijDict = {phfx+'D11':h**2,phfx+'D22':k**2,phfx+'D33':l**2} |
---|
1801 | if uniq == 'a': |
---|
1802 | dDijDict[phfx+'D23'] = k*l |
---|
1803 | elif uniq == 'b': |
---|
1804 | dDijDict[phfx+'D13'] = h*l |
---|
1805 | elif uniq == 'c': |
---|
1806 | dDijDict[phfx+'D12'] = h*k |
---|
1807 | names.append() |
---|
1808 | else: |
---|
1809 | dDijDict = {phfx+'D11':h**2,phfx+'D22':k**2,phfx+'D33':l**2, |
---|
1810 | phfx+'D12':h*k,phfx+'D13':h*l,phfx+'D23':k*l} |
---|
1811 | for item in dDijDict: |
---|
1812 | dDijDict[item] *= refl[4]**2*tand(refl[5]/2.0) |
---|
1813 | return dDijDict |
---|
1814 | |
---|
1815 | def GetFprime(controlDict,Histograms): |
---|
1816 | FFtables = controlDict['FFtables'] |
---|
1817 | if not FFtables: |
---|
1818 | return |
---|
1819 | histoList = Histograms.keys() |
---|
1820 | histoList.sort() |
---|
1821 | for histogram in histoList: |
---|
1822 | if 'PWDR' in histogram[:4]: |
---|
1823 | Histogram = Histograms[histogram] |
---|
1824 | hId = Histogram['hId'] |
---|
1825 | hfx = ':%d:'%(hId) |
---|
1826 | keV = controlDict[hfx+'keV'] |
---|
1827 | for El in FFtables: |
---|
1828 | Orbs = G2el.GetXsectionCoeff(El.split('+')[0].split('-')[0]) |
---|
1829 | FP,FPP,Mu = G2el.FPcalc(Orbs, keV) |
---|
1830 | FFtables[El][hfx+'FP'] = FP |
---|
1831 | FFtables[El][hfx+'FPP'] = FPP |
---|
1832 | |
---|
1833 | def getPowderProfile(parmDict,x,varylist,Histogram,Phases,calcControls,pawleyLookup): |
---|
1834 | |
---|
1835 | def GetReflSIgGam(refl,wave,G,GB,hfx,phfx,calcControls,parmDict): |
---|
1836 | U = parmDict[hfx+'U'] |
---|
1837 | V = parmDict[hfx+'V'] |
---|
1838 | W = parmDict[hfx+'W'] |
---|
1839 | X = parmDict[hfx+'X'] |
---|
1840 | Y = parmDict[hfx+'Y'] |
---|
1841 | tanPos = tand(refl[5]/2.0) |
---|
1842 | sig = U*tanPos**2+V*tanPos+W #save peak sigma |
---|
1843 | sig = max(0.001,sig) |
---|
1844 | gam = X/cosd(refl[5]/2.0)+Y*tanPos+GetSampleGam(refl,wave,G,GB,phfx,calcControls,parmDict) #save peak gamma |
---|
1845 | gam = max(0.001,gam) |
---|
1846 | return sig,gam |
---|
1847 | |
---|
1848 | hId = Histogram['hId'] |
---|
1849 | hfx = ':%d:'%(hId) |
---|
1850 | bakType = calcControls[hfx+'bakType'] |
---|
1851 | yb = G2pwd.getBackground(hfx,parmDict,bakType,x) |
---|
1852 | yc = np.zeros_like(yb) |
---|
1853 | |
---|
1854 | if 'C' in calcControls[hfx+'histType']: |
---|
1855 | shl = max(parmDict[hfx+'SH/L'],0.002) |
---|
1856 | Ka2 = False |
---|
1857 | if hfx+'Lam1' in parmDict.keys(): |
---|
1858 | wave = parmDict[hfx+'Lam1'] |
---|
1859 | Ka2 = True |
---|
1860 | lamRatio = 360*(parmDict[hfx+'Lam2']-parmDict[hfx+'Lam1'])/(np.pi*parmDict[hfx+'Lam1']) |
---|
1861 | kRatio = parmDict[hfx+'I(L2)/I(L1)'] |
---|
1862 | else: |
---|
1863 | wave = parmDict[hfx+'Lam'] |
---|
1864 | else: |
---|
1865 | print 'TOF Undefined at present' |
---|
1866 | raise ValueError |
---|
1867 | for phase in Histogram['Reflection Lists']: |
---|
1868 | refList = Histogram['Reflection Lists'][phase] |
---|
1869 | Phase = Phases[phase] |
---|
1870 | pId = Phase['pId'] |
---|
1871 | pfx = '%d::'%(pId) |
---|
1872 | phfx = '%d:%d:'%(pId,hId) |
---|
1873 | hfx = ':%d:'%(hId) |
---|
1874 | SGData = Phase['General']['SGData'] |
---|
1875 | A = [parmDict[pfx+'A%d'%(i)] for i in range(6)] |
---|
1876 | G,g = G2lat.A2Gmat(A) #recip & real metric tensors |
---|
1877 | GA,GB = G2lat.Gmat2AB(G) #Orthogonalization matricies |
---|
1878 | Vst = np.sqrt(nl.det(G)) #V* |
---|
1879 | if 'Pawley' not in Phase['General']['Type']: |
---|
1880 | refList = StructureFactor(refList,G,hfx,pfx,SGData,calcControls,parmDict) |
---|
1881 | for refl in refList: |
---|
1882 | if 'C' in calcControls[hfx+'histType']: |
---|
1883 | h,k,l = refl[:3] |
---|
1884 | refl[5] = GetReflPos(refl,wave,G,hfx,calcControls,parmDict) #corrected reflection position |
---|
1885 | Lorenz = 1./(2.*sind(refl[5]/2.)**2*cosd(refl[5]/2.)) #Lorentz correction |
---|
1886 | refl[5] += GetHStrainShift(refl,SGData,phfx,parmDict) #apply hydrostatic strain shift |
---|
1887 | refl[6:8] = GetReflSIgGam(refl,wave,G,GB,hfx,phfx,calcControls,parmDict) #peak sig & gam |
---|
1888 | GetIntensityCorr(refl,G,g,pfx,phfx,hfx,SGData,calcControls,parmDict) #puts corrections in refl[13] |
---|
1889 | refl[13] *= Vst*Lorenz |
---|
1890 | if 'Pawley' in Phase['General']['Type']: |
---|
1891 | try: |
---|
1892 | refl[9] = abs(parmDict[pfx+'PWLref:%d'%(pawleyLookup[pfx+'%d,%d,%d'%(h,k,l)])]) |
---|
1893 | except KeyError: |
---|
1894 | # print ' ***Error %d,%d,%d missing from Pawley reflection list ***'%(h,k,l) |
---|
1895 | continue |
---|
1896 | Wd,fmin,fmax = G2pwd.getWidths(refl[5],refl[6],refl[7],shl) |
---|
1897 | iBeg = np.searchsorted(x,refl[5]-fmin) |
---|
1898 | iFin = np.searchsorted(x,refl[5]+fmax) |
---|
1899 | if not iBeg+iFin: #peak below low limit - skip peak |
---|
1900 | continue |
---|
1901 | elif not iBeg-iFin: #peak above high limit - done |
---|
1902 | break |
---|
1903 | yc[iBeg:iFin] += refl[13]*refl[9]*G2pwd.getFCJVoigt3(refl[5],refl[6],refl[7],shl,x[iBeg:iFin]) #>90% of time spent here |
---|
1904 | if Ka2: |
---|
1905 | pos2 = refl[5]+lamRatio*tand(refl[5]/2.0) # + 360/pi * Dlam/lam * tan(th) |
---|
1906 | Wd,fmin,fmax = G2pwd.getWidths(pos2,refl[6],refl[7],shl) |
---|
1907 | iBeg = np.searchsorted(x,pos2-fmin) |
---|
1908 | iFin = np.searchsorted(x,pos2+fmax) |
---|
1909 | if not iBeg+iFin: #peak below low limit - skip peak |
---|
1910 | continue |
---|
1911 | elif not iBeg-iFin: #peak above high limit - done |
---|
1912 | return yc,yb |
---|
1913 | yc[iBeg:iFin] += refl[13]*refl[9]*kRatio*G2pwd.getFCJVoigt3(pos2,refl[6],refl[7],shl,x[iBeg:iFin]) #and here |
---|
1914 | elif 'T' in calcControls[hfx+'histType']: |
---|
1915 | print 'TOF Undefined at present' |
---|
1916 | raise Exception #no TOF yet |
---|
1917 | return yc,yb |
---|
1918 | |
---|
1919 | def GetFobsSq(Histograms,Phases,parmDict,calcControls): |
---|
1920 | histoList = Histograms.keys() |
---|
1921 | histoList.sort() |
---|
1922 | for histogram in histoList: |
---|
1923 | if 'PWDR' in histogram[:4]: |
---|
1924 | Histogram = Histograms[histogram] |
---|
1925 | hId = Histogram['hId'] |
---|
1926 | hfx = ':%d:'%(hId) |
---|
1927 | Limits = calcControls[hfx+'Limits'] |
---|
1928 | shl = max(parmDict[hfx+'SH/L'],0.002) |
---|
1929 | Ka2 = False |
---|
1930 | kRatio = 0.0 |
---|
1931 | if hfx+'Lam1' in parmDict.keys(): |
---|
1932 | Ka2 = True |
---|
1933 | lamRatio = 360*(parmDict[hfx+'Lam2']-parmDict[hfx+'Lam1'])/(np.pi*parmDict[hfx+'Lam1']) |
---|
1934 | kRatio = parmDict[hfx+'I(L2)/I(L1)'] |
---|
1935 | x,y,w,yc,yb,yd = Histogram['Data'] |
---|
1936 | ymb = np.array(y-yb) |
---|
1937 | ycmb = np.array(yc-yb) |
---|
1938 | ratio = np.where(ycmb!=0.,ymb/ycmb,0.0) |
---|
1939 | xB = np.searchsorted(x,Limits[0]) |
---|
1940 | xF = np.searchsorted(x,Limits[1]) |
---|
1941 | refLists = Histogram['Reflection Lists'] |
---|
1942 | for phase in refLists: |
---|
1943 | Phase = Phases[phase] |
---|
1944 | pId = Phase['pId'] |
---|
1945 | phfx = '%d:%d:'%(pId,hId) |
---|
1946 | refList = refLists[phase] |
---|
1947 | sumFo = 0.0 |
---|
1948 | sumdF = 0.0 |
---|
1949 | sumFosq = 0.0 |
---|
1950 | sumdFsq = 0.0 |
---|
1951 | for refl in refList: |
---|
1952 | if 'C' in calcControls[hfx+'histType']: |
---|
1953 | yp = np.zeros_like(yb) |
---|
1954 | Wd,fmin,fmax = G2pwd.getWidths(refl[5],refl[6],refl[7],shl) |
---|
1955 | iBeg = np.searchsorted(x[xB:xF],refl[5]-fmin) |
---|
1956 | iFin = np.searchsorted(x[xB:xF],refl[5]+fmax) |
---|
1957 | iFin2 = iFin |
---|
1958 | yp[iBeg:iFin] = refl[13]*refl[9]*G2pwd.getFCJVoigt3(refl[5],refl[6],refl[7],shl,x[iBeg:iFin]) #>90% of time spent here |
---|
1959 | if Ka2: |
---|
1960 | pos2 = refl[5]+lamRatio*tand(refl[5]/2.0) # + 360/pi * Dlam/lam * tan(th) |
---|
1961 | Wd,fmin,fmax = G2pwd.getWidths(pos2,refl[6],refl[7],shl) |
---|
1962 | iBeg2 = np.searchsorted(x,pos2-fmin) |
---|
1963 | iFin2 = np.searchsorted(x,pos2+fmax) |
---|
1964 | yp[iBeg2:iFin2] += refl[13]*refl[9]*kRatio*G2pwd.getFCJVoigt3(pos2,refl[6],refl[7],shl,x[iBeg2:iFin2]) #and here |
---|
1965 | refl[8] = np.sum(np.where(ratio[iBeg:iFin2]>0.,yp[iBeg:iFin2]*ratio[iBeg:iFin2]/(refl[13]*(1.+kRatio)),0.0)) |
---|
1966 | elif 'T' in calcControls[hfx+'histType']: |
---|
1967 | print 'TOF Undefined at present' |
---|
1968 | raise Exception #no TOF yet |
---|
1969 | Fo = np.sqrt(np.abs(refl[8])) |
---|
1970 | Fc = np.sqrt(np.abs(refl[9])) |
---|
1971 | sumFo += Fo |
---|
1972 | sumFosq += refl[8]**2 |
---|
1973 | sumdF += np.abs(Fo-Fc) |
---|
1974 | sumdFsq += (refl[8]-refl[9])**2 |
---|
1975 | Histogram[phfx+'Rf'] = min(100.,(sumdF/sumFo)*100.) |
---|
1976 | Histogram[phfx+'Rf^2'] = min(100.,np.sqrt(sumdFsq/sumFosq)*100.) |
---|
1977 | Histogram[phfx+'Nref'] = len(refList) |
---|
1978 | |
---|
1979 | def getPowderProfileDerv(parmDict,x,varylist,Histogram,Phases,calcControls,pawleyLookup): |
---|
1980 | |
---|
1981 | def cellVaryDerv(pfx,SGData,dpdA): |
---|
1982 | if SGData['SGLaue'] in ['-1',]: |
---|
1983 | return [[pfx+'A0',dpdA[0]],[pfx+'A1',dpdA[1]],[pfx+'A2',dpdA[2]], |
---|
1984 | [pfx+'A3',dpdA[3]],[pfx+'A4',dpdA[4]],[pfx+'A5',dpdA[5]]] |
---|
1985 | elif SGData['SGLaue'] in ['2/m',]: |
---|
1986 | if SGData['SGUniq'] == 'a': |
---|
1987 | return [[pfx+'A0',dpdA[0]],[pfx+'A1',dpdA[1]],[pfx+'A2',dpdA[2]],[pfx+'A3',dpdA[3]]] |
---|
1988 | elif SGData['SGUniq'] == 'b': |
---|
1989 | return [[pfx+'A0',dpdA[0]],[pfx+'A1',dpdA[1]],[pfx+'A2',dpdA[2]],[pfx+'A4',dpdA[4]]] |
---|
1990 | else: |
---|
1991 | return [[pfx+'A0',dpdA[0]],[pfx+'A1',dpdA[1]],[pfx+'A2',dpdA[2]],[pfx+'A5',dpdA[5]]] |
---|
1992 | elif SGData['SGLaue'] in ['mmm',]: |
---|
1993 | return [[pfx+'A0',dpdA[0]],[pfx+'A1',dpdA[1]],[pfx+'A2',dpdA[2]]] |
---|
1994 | elif SGData['SGLaue'] in ['4/m','4/mmm']: |
---|
1995 | # return [[pfx+'A0',dpdA[0]+dpdA[1]],[pfx+'A2',dpdA[2]]] |
---|
1996 | return [[pfx+'A0',dpdA[0]],[pfx+'A2',dpdA[2]]] |
---|
1997 | elif SGData['SGLaue'] in ['6/m','6/mmm','3m1', '31m', '3']: |
---|
1998 | # return [[pfx+'A0',dpdA[0]+dpdA[1]+dpdA[3]],[pfx+'A2',dpdA[2]]] |
---|
1999 | return [[pfx+'A0',dpdA[0]],[pfx+'A2',dpdA[2]]] |
---|
2000 | elif SGData['SGLaue'] in ['3R', '3mR']: |
---|
2001 | return [[pfx+'A0',dpdA[0]+dpdA[1]+dpdA[2]],[pfx+'A3',dpdA[3]+dpdA[4]+dpdA[5]]] |
---|
2002 | elif SGData['SGLaue'] in ['m3m','m3']: |
---|
2003 | # return [[pfx+'A0',dpdA[0]+dpdA[1]+dpdA[2]]] |
---|
2004 | return [[pfx+'A0',dpdA[0]]] |
---|
2005 | # create a list of dependent variables and set up a dictionary to hold their derivatives |
---|
2006 | dependentVars = G2mv.GetDependentVars() |
---|
2007 | depDerivDict = {} |
---|
2008 | for j in dependentVars: |
---|
2009 | depDerivDict[j] = np.zeros(shape=(len(x))) |
---|
2010 | #print 'dependent vars',dependentVars |
---|
2011 | lenX = len(x) |
---|
2012 | hId = Histogram['hId'] |
---|
2013 | hfx = ':%d:'%(hId) |
---|
2014 | bakType = calcControls[hfx+'bakType'] |
---|
2015 | dMdv = np.zeros(shape=(len(varylist),len(x))) |
---|
2016 | dMdb,dMddb = G2pwd.getBackgroundDerv(hfx,parmDict,bakType,x) |
---|
2017 | if hfx+'Back:0' in varylist: # for now assume that Back:x vars to not appear in constraints |
---|
2018 | bBpos =varylist.index(hfx+'Back:0') |
---|
2019 | dMdv[bBpos:bBpos+len(dMdb)] = dMdb |
---|
2020 | names = [hfx+'DebyeA',hfx+'DebyeR',hfx+'DebyeU'] |
---|
2021 | for name in varylist: |
---|
2022 | if 'Debye' in name: |
---|
2023 | id = int(name.split(':')[-1]) |
---|
2024 | parm = name[:int(name.rindex(':'))] |
---|
2025 | ip = names.index(parm) |
---|
2026 | dMdv[varylist.index(name)] = dMddb[3*id+ip] |
---|
2027 | if 'C' in calcControls[hfx+'histType']: |
---|
2028 | dx = x[1]-x[0] |
---|
2029 | shl = max(parmDict[hfx+'SH/L'],0.002) |
---|
2030 | Ka2 = False |
---|
2031 | if hfx+'Lam1' in parmDict.keys(): |
---|
2032 | wave = parmDict[hfx+'Lam1'] |
---|
2033 | Ka2 = True |
---|
2034 | lamRatio = 360*(parmDict[hfx+'Lam2']-parmDict[hfx+'Lam1'])/(np.pi*parmDict[hfx+'Lam1']) |
---|
2035 | kRatio = parmDict[hfx+'I(L2)/I(L1)'] |
---|
2036 | else: |
---|
2037 | wave = parmDict[hfx+'Lam'] |
---|
2038 | else: |
---|
2039 | print 'TOF Undefined at present' |
---|
2040 | raise ValueError |
---|
2041 | for phase in Histogram['Reflection Lists']: |
---|
2042 | refList = Histogram['Reflection Lists'][phase] |
---|
2043 | Phase = Phases[phase] |
---|
2044 | SGData = Phase['General']['SGData'] |
---|
2045 | pId = Phase['pId'] |
---|
2046 | pfx = '%d::'%(pId) |
---|
2047 | phfx = '%d:%d:'%(pId,hId) |
---|
2048 | A = [parmDict[pfx+'A%d'%(i)] for i in range(6)] |
---|
2049 | G,g = G2lat.A2Gmat(A) #recip & real metric tensors |
---|
2050 | GA,GB = G2lat.Gmat2AB(G) #Orthogonalization matricies |
---|
2051 | if 'Pawley' not in Phase['General']['Type']: |
---|
2052 | dFdvDict = StructureFactorDerv(refList,G,hfx,pfx,SGData,calcControls,parmDict) |
---|
2053 | for iref,refl in enumerate(refList): |
---|
2054 | if 'C' in calcControls[hfx+'histType']: #CW powder |
---|
2055 | h,k,l = refl[:3] |
---|
2056 | dIdsh,dIdsp,dIdpola,dIdPO,dFdODF,dFdSA = GetIntensityDerv(refl,G,g,pfx,phfx,hfx,SGData,calcControls,parmDict) |
---|
2057 | if 'Pawley' in Phase['General']['Type']: |
---|
2058 | try: |
---|
2059 | refl[9] = abs(parmDict[pfx+'PWLref:%d'%(pawleyLookup[pfx+'%d,%d,%d'%(h,k,l)])]) |
---|
2060 | except KeyError: |
---|
2061 | # print ' ***Error %d,%d,%d missing from Pawley reflection list ***'%(h,k,l) |
---|
2062 | continue |
---|
2063 | Wd,fmin,fmax = G2pwd.getWidths(refl[5],refl[6],refl[7],shl) |
---|
2064 | iBeg = np.searchsorted(x,refl[5]-fmin) |
---|
2065 | iFin = np.searchsorted(x,refl[5]+fmax) |
---|
2066 | if not iBeg+iFin: #peak below low limit - skip peak |
---|
2067 | continue |
---|
2068 | elif not iBeg-iFin: #peak above high limit - done |
---|
2069 | break |
---|
2070 | pos = refl[5] |
---|
2071 | tanth = tand(pos/2.0) |
---|
2072 | costh = cosd(pos/2.0) |
---|
2073 | dMdpk = np.zeros(shape=(6,len(x))) |
---|
2074 | dMdipk = G2pwd.getdFCJVoigt3(refl[5],refl[6],refl[7],shl,x[iBeg:iFin]) |
---|
2075 | for i in range(1,5): |
---|
2076 | dMdpk[i][iBeg:iFin] += 100.*dx*refl[13]*refl[9]*dMdipk[i] |
---|
2077 | dMdpk[0][iBeg:iFin] += 100.*dx*refl[13]*refl[9]*dMdipk[0] |
---|
2078 | dervDict = {'int':dMdpk[0],'pos':dMdpk[1],'sig':dMdpk[2],'gam':dMdpk[3],'shl':dMdpk[4]} |
---|
2079 | if Ka2: |
---|
2080 | pos2 = refl[5]+lamRatio*tanth # + 360/pi * Dlam/lam * tan(th) |
---|
2081 | kdelt = int((pos2-refl[5])/dx) |
---|
2082 | iBeg2 = min(lenX,iBeg+kdelt) |
---|
2083 | iFin2 = min(lenX,iFin+kdelt) |
---|
2084 | if iBeg2-iFin2: |
---|
2085 | dMdipk2 = G2pwd.getdFCJVoigt3(pos2,refl[6],refl[7],shl,x[iBeg2:iFin2]) |
---|
2086 | for i in range(1,5): |
---|
2087 | dMdpk[i][iBeg2:iFin2] += 100.*dx*refl[13]*refl[9]*kRatio*dMdipk2[i] |
---|
2088 | dMdpk[0][iBeg2:iFin2] += 100.*dx*refl[13]*refl[9]*kRatio*dMdipk2[0] |
---|
2089 | dMdpk[5][iBeg2:iFin2] += 100.*dx*refl[13]*dMdipk2[0] |
---|
2090 | dervDict = {'int':dMdpk[0],'pos':dMdpk[1],'sig':dMdpk[2],'gam':dMdpk[3],'shl':dMdpk[4],'L1/L2':dMdpk[5]*refl[9]} |
---|
2091 | if 'Pawley' in Phase['General']['Type']: |
---|
2092 | try: |
---|
2093 | idx = varylist.index(pfx+'PWLref:'+str(pawleyLookup[pfx+'%d,%d,%d'%(h,k,l)])) |
---|
2094 | dMdv[idx] = dervDict['int']/refl[9] |
---|
2095 | # Assuming Pawley variables not in constraints |
---|
2096 | except ValueError: |
---|
2097 | pass |
---|
2098 | dpdA,dpdw,dpdZ,dpdSh,dpdTr,dpdX,dpdY = GetReflPosDerv(refl,wave,A,hfx,calcControls,parmDict) |
---|
2099 | names = {hfx+'Scale':[dIdsh,'int'],hfx+'Polariz.':[dIdpola,'int'],phfx+'Scale':[dIdsp,'int'], |
---|
2100 | hfx+'U':[tanth**2,'sig'],hfx+'V':[tanth,'sig'],hfx+'W':[1.0,'sig'], |
---|
2101 | hfx+'X':[1.0/costh,'gam'],hfx+'Y':[tanth,'gam'],hfx+'SH/L':[1.0,'shl'], |
---|
2102 | hfx+'I(L2)/I(L1)':[1.0,'L1/L2'],hfx+'Zero':[dpdZ,'pos'],hfx+'Lam':[dpdw,'pos'], |
---|
2103 | hfx+'Shift':[dpdSh,'pos'],hfx+'Transparency':[dpdTr,'pos'],hfx+'DisplaceX':[dpdX,'pos'], |
---|
2104 | hfx+'DisplaceY':[dpdY,'pos'],} |
---|
2105 | for name in names: |
---|
2106 | item = names[name] |
---|
2107 | if name in varylist: |
---|
2108 | dMdv[varylist.index(name)] += item[0]*dervDict[item[1]] |
---|
2109 | elif name in dependentVars: |
---|
2110 | depDerivDict[name] += item[0]*dervDict[item[1]] |
---|
2111 | |
---|
2112 | for iPO in dIdPO: |
---|
2113 | if iPO in varylist: |
---|
2114 | dMdv[varylist.index(iPO)] += dIdPO[iPO]*dervDict['int'] |
---|
2115 | elif iPO in dependentVars: |
---|
2116 | depDerivDict[iPO] = dIdPO[iPO]*dervDict['int'] |
---|
2117 | |
---|
2118 | for i,name in enumerate(['omega','chi','phi']): |
---|
2119 | aname = pfx+'SH '+name |
---|
2120 | if aname in varylist: |
---|
2121 | dMdv[varylist.index(aname)] += dFdSA[i]*dervDict['int'] |
---|
2122 | elif aname in dependentVars: |
---|
2123 | depDerivDict[aname] += dFdSA[i]*dervDict['int'] |
---|
2124 | for iSH in dFdODF: |
---|
2125 | if iSH in varylist: |
---|
2126 | dMdv[varylist.index(iSH)] += dFdODF[iSH]*dervDict['int'] |
---|
2127 | elif iSH in dependentVars: |
---|
2128 | depDerivDict[iSH] += dFdODF[iSH]*dervDict['int'] |
---|
2129 | cellDervNames = cellVaryDerv(pfx,SGData,dpdA) |
---|
2130 | for name,dpdA in cellDervNames: |
---|
2131 | if name in varylist: |
---|
2132 | dMdv[varylist.index(name)] += dpdA*dervDict['pos'] |
---|
2133 | elif name in dependentVars: |
---|
2134 | depDerivDict[name] += dpdA*dervDict['pos'] |
---|
2135 | dDijDict = GetHStrainShiftDerv(refl,SGData,phfx) |
---|
2136 | for name in dDijDict: |
---|
2137 | if name in varylist: |
---|
2138 | dMdv[varylist.index(name)] += dDijDict[name]*dervDict['pos'] |
---|
2139 | elif name in dependentVars: |
---|
2140 | depDerivDict[name] += dDijDict[name]*dervDict['pos'] |
---|
2141 | gamDict = GetSampleGamDerv(refl,wave,G,GB,phfx,calcControls,parmDict) |
---|
2142 | for name in gamDict: |
---|
2143 | if name in varylist: |
---|
2144 | dMdv[varylist.index(name)] += gamDict[name]*dervDict['gam'] |
---|
2145 | elif name in dependentVars: |
---|
2146 | depDerivDict[name] += gamDict[name]*dervDict['gam'] |
---|
2147 | |
---|
2148 | elif 'T' in calcControls[hfx+'histType']: |
---|
2149 | print 'TOF Undefined at present' |
---|
2150 | raise Exception #no TOF yet |
---|
2151 | #do atom derivatives - for F,X & U so far |
---|
2152 | corr = dervDict['int']/refl[9] |
---|
2153 | for name in varylist+dependentVars: |
---|
2154 | try: |
---|
2155 | aname = name.split(pfx)[1][:2] |
---|
2156 | if aname not in ['Af','dA','AU']: continue # skip anything not an atom param |
---|
2157 | except IndexError: |
---|
2158 | continue |
---|
2159 | if name in varylist: |
---|
2160 | dMdv[varylist.index(name)] += dFdvDict[name][iref]*corr |
---|
2161 | elif name in dependentVars: |
---|
2162 | depDerivDict[name] += dFdvDict[name][iref]*corr |
---|
2163 | # now process derivatives in constraints |
---|
2164 | G2mv.Dict2Deriv(varylist,depDerivDict,dMdv) |
---|
2165 | return dMdv |
---|
2166 | |
---|
2167 | def dervRefine(values,HistoPhases,parmdict,varylist,calcControls,pawleyLookup,dlg): |
---|
2168 | parmdict.update(zip(varylist,values)) |
---|
2169 | G2mv.Dict2Map(parmdict,varylist) |
---|
2170 | Histograms,Phases = HistoPhases |
---|
2171 | nvar = len(varylist) |
---|
2172 | dMdv = np.empty(0) |
---|
2173 | histoList = Histograms.keys() |
---|
2174 | histoList.sort() |
---|
2175 | for histogram in histoList: |
---|
2176 | if 'PWDR' in histogram[:4]: |
---|
2177 | Histogram = Histograms[histogram] |
---|
2178 | hId = Histogram['hId'] |
---|
2179 | hfx = ':%d:'%(hId) |
---|
2180 | Limits = calcControls[hfx+'Limits'] |
---|
2181 | x,y,w,yc,yb,yd = Histogram['Data'] |
---|
2182 | xB = np.searchsorted(x,Limits[0]) |
---|
2183 | xF = np.searchsorted(x,Limits[1]) |
---|
2184 | dMdvh = np.sqrt(w[xB:xF])*getPowderProfileDerv(parmdict,x[xB:xF], |
---|
2185 | varylist,Histogram,Phases,calcControls,pawleyLookup) |
---|
2186 | if len(dMdv): |
---|
2187 | dMdv = np.concatenate((dMdv.T,dMdvh.T)).T |
---|
2188 | else: |
---|
2189 | dMdv = dMdvh |
---|
2190 | return dMdv |
---|
2191 | |
---|
2192 | def HessRefine(values,HistoPhases,parmdict,varylist,calcControls,pawleyLookup,dlg): |
---|
2193 | parmdict.update(zip(varylist,values)) |
---|
2194 | G2mv.Dict2Map(parmdict,varylist) |
---|
2195 | Histograms,Phases = HistoPhases |
---|
2196 | nvar = len(varylist) |
---|
2197 | Hess = np.empty(0) |
---|
2198 | histoList = Histograms.keys() |
---|
2199 | histoList.sort() |
---|
2200 | for histogram in histoList: |
---|
2201 | if 'PWDR' in histogram[:4]: |
---|
2202 | Histogram = Histograms[histogram] |
---|
2203 | hId = Histogram['hId'] |
---|
2204 | hfx = ':%d:'%(hId) |
---|
2205 | Limits = calcControls[hfx+'Limits'] |
---|
2206 | x,y,w,yc,yb,yd = Histogram['Data'] |
---|
2207 | dy = y-yc |
---|
2208 | xB = np.searchsorted(x,Limits[0]) |
---|
2209 | xF = np.searchsorted(x,Limits[1]) |
---|
2210 | dMdvh = np.sqrt(w[xB:xF])*getPowderProfileDerv(parmdict,x[xB:xF], |
---|
2211 | varylist,Histogram,Phases,calcControls,pawleyLookup) |
---|
2212 | if dlg: |
---|
2213 | dlg.Update(Histogram['wRp'],newmsg='Hessian for histogram %d Rwp=%8.3f%s'%(hId,Histogram['wRp'],'%'))[0] |
---|
2214 | if len(Hess): |
---|
2215 | Vec += np.sum(dMdvh*np.sqrt(w[xB:xF])*dy[xB:xF],axis=1) |
---|
2216 | Hess += np.inner(dMdvh,dMdvh) |
---|
2217 | else: |
---|
2218 | Vec = np.sum(dMdvh*np.sqrt(w[xB:xF])*dy[xB:xF],axis=1) |
---|
2219 | Hess = np.inner(dMdvh,dMdvh) |
---|
2220 | return Vec,Hess |
---|
2221 | |
---|
2222 | def errRefine(values,HistoPhases,parmdict,varylist,calcControls,pawleyLookup,dlg): |
---|
2223 | parmdict.update(zip(varylist,values)) |
---|
2224 | Values2Dict(parmdict, varylist, values) |
---|
2225 | G2mv.Dict2Map(parmdict,varylist) |
---|
2226 | Histograms,Phases = HistoPhases |
---|
2227 | M = np.empty(0) |
---|
2228 | sumwYo = 0 |
---|
2229 | Nobs = 0 |
---|
2230 | histoList = Histograms.keys() |
---|
2231 | histoList.sort() |
---|
2232 | for histogram in histoList: |
---|
2233 | if 'PWDR' in histogram[:4]: |
---|
2234 | Histogram = Histograms[histogram] |
---|
2235 | hId = Histogram['hId'] |
---|
2236 | hfx = ':%d:'%(hId) |
---|
2237 | Limits = calcControls[hfx+'Limits'] |
---|
2238 | x,y,w,yc,yb,yd = Histogram['Data'] |
---|
2239 | yc *= 0.0 #zero full calcd profiles |
---|
2240 | yb *= 0.0 |
---|
2241 | yd *= 0.0 |
---|
2242 | xB = np.searchsorted(x,Limits[0]) |
---|
2243 | xF = np.searchsorted(x,Limits[1]) |
---|
2244 | Histogram['Nobs'] = xF-xB |
---|
2245 | Nobs += Histogram['Nobs'] |
---|
2246 | Histogram['sumwYo'] = np.sum(w[xB:xF]*y[xB:xF]**2) |
---|
2247 | sumwYo += Histogram['sumwYo'] |
---|
2248 | yc[xB:xF],yb[xB:xF] = getPowderProfile(parmdict,x[xB:xF], |
---|
2249 | varylist,Histogram,Phases,calcControls,pawleyLookup) |
---|
2250 | yc[xB:xF] += yb[xB:xF] |
---|
2251 | yd[xB:xF] = y[xB:xF]-yc[xB:xF] |
---|
2252 | Histogram['sumwYd'] = np.sum(np.sqrt(w[xB:xF])*(yd[xB:xF])) |
---|
2253 | wdy = -np.sqrt(w[xB:xF])*(yd[xB:xF]) |
---|
2254 | Histogram['wRp'] = min(100.,np.sqrt(np.sum(wdy**2)/Histogram['sumwYo'])*100.) |
---|
2255 | if dlg: |
---|
2256 | dlg.Update(Histogram['wRp'],newmsg='For histogram %d Rwp=%8.3f%s'%(hId,Histogram['wRp'],'%'))[0] |
---|
2257 | M = np.concatenate((M,wdy)) |
---|
2258 | Histograms['sumwYo'] = sumwYo |
---|
2259 | Histograms['Nobs'] = Nobs |
---|
2260 | Rwp = min(100.,np.sqrt(np.sum(M**2)/sumwYo)*100.) |
---|
2261 | if dlg: |
---|
2262 | GoOn = dlg.Update(Rwp,newmsg='%s%8.3f%s'%('Powder profile Rwp =',Rwp,'%'))[0] |
---|
2263 | if not GoOn: |
---|
2264 | parmDict['saved values'] = values |
---|
2265 | raise Exception #Abort!! |
---|
2266 | return M |
---|
2267 | |
---|
2268 | |
---|
2269 | def Refine(GPXfile,dlg): |
---|
2270 | import pytexture as ptx |
---|
2271 | ptx.pyqlmninit() #initialize fortran arrays for spherical harmonics |
---|
2272 | |
---|
2273 | ShowBanner() |
---|
2274 | varyList = [] |
---|
2275 | parmDict = {} |
---|
2276 | calcControls = {} |
---|
2277 | G2mv.InitVars() |
---|
2278 | Controls = G2IO.GetControls(GPXfile) |
---|
2279 | ShowControls(Controls) |
---|
2280 | constrDict,constrFlag,fixedList = G2IO.GetConstraints(GPXfile) |
---|
2281 | Histograms,Phases = G2IO.GetUsedHistogramsAndPhases(GPXfile) |
---|
2282 | if not Phases: |
---|
2283 | print ' *** ERROR - you have no histograms to refine! ***' |
---|
2284 | print ' *** Refine aborted ***' |
---|
2285 | raise Exception |
---|
2286 | if not Histograms: |
---|
2287 | print ' *** ERROR - you have no data to refine with! ***' |
---|
2288 | print ' *** Refine aborted ***' |
---|
2289 | raise Exception |
---|
2290 | Natoms,phaseVary,phaseDict,pawleyLookup,FFtables,BLtables = GetPhaseData(Phases) |
---|
2291 | calcControls['Natoms'] = Natoms |
---|
2292 | calcControls['FFtables'] = FFtables |
---|
2293 | calcControls['BLtables'] = BLtables |
---|
2294 | hapVary,hapDict,controlDict = GetHistogramPhaseData(Phases,Histograms) |
---|
2295 | calcControls.update(controlDict) |
---|
2296 | histVary,histDict,controlDict = GetHistogramData(Histograms) |
---|
2297 | calcControls.update(controlDict) |
---|
2298 | varyList = phaseVary+hapVary+histVary |
---|
2299 | parmDict.update(phaseDict) |
---|
2300 | parmDict.update(hapDict) |
---|
2301 | parmDict.update(histDict) |
---|
2302 | GetFprime(calcControls,Histograms) |
---|
2303 | # do constraint processing |
---|
2304 | try: |
---|
2305 | groups,parmlist = G2mv.GroupConstraints(constrDict) |
---|
2306 | G2mv.GenerateConstraints(groups,parmlist,varyList,constrDict,constrFlag,fixedList) |
---|
2307 | except: |
---|
2308 | print ' *** ERROR - your constraints are internally inconsistent ***' |
---|
2309 | raise Exception(' *** Refine aborted ***') |
---|
2310 | # check to see which generated parameters are fully varied |
---|
2311 | msg = G2mv.SetVaryFlags(varyList) |
---|
2312 | if msg: |
---|
2313 | print ' *** ERROR - you have not set the refine flags for constraints consistently! ***' |
---|
2314 | print msg |
---|
2315 | raise Exception(' *** Refine aborted ***') |
---|
2316 | G2mv.Map2Dict(parmDict,varyList) |
---|
2317 | # print G2mv.VarRemapShow(varyList) |
---|
2318 | |
---|
2319 | while True: |
---|
2320 | begin = time.time() |
---|
2321 | values = np.array(Dict2Values(parmDict, varyList)) |
---|
2322 | Ftol = Controls['min dM/M'] |
---|
2323 | Factor = Controls['shift factor'] |
---|
2324 | maxCyc = Controls['max cyc'] |
---|
2325 | if 'Jacobian' in Controls['deriv type']: |
---|
2326 | result = so.leastsq(errRefine,values,Dfun=dervRefine,full_output=True, |
---|
2327 | ftol=Ftol,col_deriv=True,factor=Factor, |
---|
2328 | args=([Histograms,Phases],parmDict,varyList,calcControls,pawleyLookup,dlg)) |
---|
2329 | ncyc = int(result[2]['nfev']/2) |
---|
2330 | elif 'Hessian' in Controls['deriv type']: |
---|
2331 | result = G2mth.HessianLSQ(errRefine,values,Hess=HessRefine,ftol=Ftol,maxcyc=maxCyc, |
---|
2332 | args=([Histograms,Phases],parmDict,varyList,calcControls,pawleyLookup,dlg)) |
---|
2333 | ncyc = result[2]['num cyc']+1 |
---|
2334 | else: #'numeric' |
---|
2335 | result = so.leastsq(errRefine,values,full_output=True,ftol=Ftol,epsfcn=1.e-8,factor=Factor, |
---|
2336 | args=([Histograms,Phases],parmDict,varyList,calcControls,pawleyLookup,dlg)) |
---|
2337 | ncyc = int(result[2]['nfev']/len(varyList)) |
---|
2338 | # table = dict(zip(varyList,zip(values,result[0],(result[0]-values)))) |
---|
2339 | # for item in table: print item,table[item] #useful debug - are things shifting? |
---|
2340 | runtime = time.time()-begin |
---|
2341 | chisq = np.sum(result[2]['fvec']**2) |
---|
2342 | Values2Dict(parmDict, varyList, result[0]) |
---|
2343 | G2mv.Dict2Map(parmDict,varyList) |
---|
2344 | |
---|
2345 | Rwp = np.sqrt(chisq/Histograms['sumwYo'])*100. #to % |
---|
2346 | GOF = chisq/(Histograms['Nobs']-len(varyList)) |
---|
2347 | print '\n Refinement results:' |
---|
2348 | print 135*'-' |
---|
2349 | print ' Number of function calls:',result[2]['nfev'],' Number of observations: ',Histograms['Nobs'],' Number of parameters: ',len(varyList) |
---|
2350 | print ' Refinement time = %8.3fs, %8.3fs/cycle, for %d cycles'%(runtime,runtime/ncyc,ncyc) |
---|
2351 | print ' wRp = %7.2f%%, chi**2 = %12.6g, reduced chi**2 = %6.2f'%(Rwp,chisq,GOF) |
---|
2352 | try: |
---|
2353 | covMatrix = result[1]*GOF |
---|
2354 | sig = np.sqrt(np.diag(covMatrix)) |
---|
2355 | if np.any(np.isnan(sig)): |
---|
2356 | print '*** Least squares aborted - some invalid esds possible ***' |
---|
2357 | # table = dict(zip(varyList,zip(values,result[0],(result[0]-values)/sig))) |
---|
2358 | # for item in table: print item,table[item] #useful debug - are things shifting? |
---|
2359 | break #refinement succeeded - finish up! |
---|
2360 | except TypeError: #result[1] is None on singular matrix |
---|
2361 | print '**** Refinement failed - singular matrix ****' |
---|
2362 | if 'Hessian' in Controls['deriv type']: |
---|
2363 | for i in result[2]['psing'].reverse(): |
---|
2364 | print 'Removing parameter: ',varyList[i] |
---|
2365 | del(varyList[i]) |
---|
2366 | else: |
---|
2367 | Ipvt = result[2]['ipvt'] |
---|
2368 | for i,ipvt in enumerate(Ipvt): |
---|
2369 | if not np.sum(result[2]['fjac'],axis=1)[i]: |
---|
2370 | print 'Removing parameter: ',varyList[ipvt-1] |
---|
2371 | del(varyList[ipvt-1]) |
---|
2372 | break |
---|
2373 | |
---|
2374 | # print 'dependentParmList: ',G2mv.dependentParmList |
---|
2375 | # print 'arrayList: ',G2mv.arrayList |
---|
2376 | # print 'invarrayList: ',G2mv.invarrayList |
---|
2377 | # print 'indParmList: ',G2mv.indParmList |
---|
2378 | # print 'fixedDict: ',G2mv.fixedDict |
---|
2379 | # print 'test1' |
---|
2380 | GetFobsSq(Histograms,Phases,parmDict,calcControls) |
---|
2381 | # print 'test2' |
---|
2382 | sigDict = dict(zip(varyList,sig)) |
---|
2383 | newCellDict = GetNewCellParms(parmDict,varyList) |
---|
2384 | newAtomDict = ApplyXYZshifts(parmDict,varyList) |
---|
2385 | covData = {'variables':result[0],'varyList':varyList,'sig':sig, |
---|
2386 | 'covMatrix':covMatrix,'title':GPXfile,'newAtomDict':newAtomDict,'newCellDict':newCellDict} |
---|
2387 | # add the uncertainties into the esd dictionary (sigDict) |
---|
2388 | sigDict.update(G2mv.ComputeDepESD(covMatrix,varyList,parmDict)) |
---|
2389 | SetPhaseData(parmDict,sigDict,Phases,covData) |
---|
2390 | SetHistogramPhaseData(parmDict,sigDict,Phases,Histograms) |
---|
2391 | SetHistogramData(parmDict,sigDict,Histograms) |
---|
2392 | G2mv.PrintIndependentVars(parmDict,varyList,sigDict) |
---|
2393 | G2IO.SetUsedHistogramsAndPhases(GPXfile,Histograms,Phases,covData) |
---|
2394 | |
---|
2395 | #for testing purposes!!! |
---|
2396 | # import cPickle |
---|
2397 | # file = open('structTestdata.dat','wb') |
---|
2398 | # cPickle.dump(parmDict,file,1) |
---|
2399 | # cPickle.dump(varyList,file,1) |
---|
2400 | # for histogram in Histograms: |
---|
2401 | # if 'PWDR' in histogram[:4]: |
---|
2402 | # Histogram = Histograms[histogram] |
---|
2403 | # cPickle.dump(Histogram,file,1) |
---|
2404 | # cPickle.dump(Phases,file,1) |
---|
2405 | # cPickle.dump(calcControls,file,1) |
---|
2406 | # cPickle.dump(pawleyLookup,file,1) |
---|
2407 | # file.close() |
---|
2408 | |
---|
2409 | if dlg: |
---|
2410 | return Rwp |
---|
2411 | |
---|
2412 | def SeqRefine(GPXfile,dlg): |
---|
2413 | import pytexture as ptx |
---|
2414 | ptx.pyqlmninit() #initialize fortran arrays for spherical harmonics |
---|
2415 | |
---|
2416 | ShowBanner() |
---|
2417 | print ' Sequential Refinement' |
---|
2418 | G2mv.InitVars() |
---|
2419 | Controls = G2IO.GetControls(GPXfile) |
---|
2420 | ShowControls(Controls) |
---|
2421 | constrDict,constrFlag,fixedList = G2IO.GetConstraints(GPXfile) |
---|
2422 | Histograms,Phases = G2IO.GetUsedHistogramsAndPhases(GPXfile) |
---|
2423 | if not Phases: |
---|
2424 | print ' *** ERROR - you have no histograms to refine! ***' |
---|
2425 | print ' *** Refine aborted ***' |
---|
2426 | raise Exception |
---|
2427 | if not Histograms: |
---|
2428 | print ' *** ERROR - you have no data to refine with! ***' |
---|
2429 | print ' *** Refine aborted ***' |
---|
2430 | raise Exception |
---|
2431 | Natoms,phaseVary,phaseDict,pawleyLookup,FFtables,BLtables = GetPhaseData(Phases,False) |
---|
2432 | if 'Seq Data' in Controls: |
---|
2433 | histNames = Controls['Seq Data'] |
---|
2434 | else: |
---|
2435 | histNames = G2IO.GetHistogramNames(GPXfile,['PWDR',]) |
---|
2436 | if 'Reverse Seq' in Controls: |
---|
2437 | if Controls['Reverse Seq']: |
---|
2438 | histNames.reverse() |
---|
2439 | SeqResult = {'histNames':histNames} |
---|
2440 | makeBack = True |
---|
2441 | for ihst,histogram in enumerate(histNames): |
---|
2442 | ifPrint = False |
---|
2443 | if dlg: |
---|
2444 | dlg.SetTitle('Residual for histogram '+str(ihst)) |
---|
2445 | calcControls = {} |
---|
2446 | calcControls['Natoms'] = Natoms |
---|
2447 | calcControls['FFtables'] = FFtables |
---|
2448 | calcControls['BLtables'] = BLtables |
---|
2449 | varyList = [] |
---|
2450 | parmDict = {} |
---|
2451 | Histo = {histogram:Histograms[histogram],} |
---|
2452 | hapVary,hapDict,controlDict = GetHistogramPhaseData(Phases,Histo,False) |
---|
2453 | calcControls.update(controlDict) |
---|
2454 | histVary,histDict,controlDict = GetHistogramData(Histo,False) |
---|
2455 | calcControls.update(controlDict) |
---|
2456 | varyList = phaseVary+hapVary+histVary |
---|
2457 | if not ihst: |
---|
2458 | saveVaryList = varyList[:] |
---|
2459 | for i,item in enumerate(saveVaryList): |
---|
2460 | items = item.split(':') |
---|
2461 | if items[1]: |
---|
2462 | items[1] = '' |
---|
2463 | item = ':'.join(items) |
---|
2464 | saveVaryList[i] = item |
---|
2465 | SeqResult['varyList'] = saveVaryList |
---|
2466 | else: |
---|
2467 | newVaryList = varyList[:] |
---|
2468 | for i,item in enumerate(newVaryList): |
---|
2469 | items = item.split(':') |
---|
2470 | if items[1]: |
---|
2471 | items[1] = '' |
---|
2472 | item = ':'.join(items) |
---|
2473 | newVaryList[i] = item |
---|
2474 | if newVaryList != SeqResult['varyList']: |
---|
2475 | print newVaryList |
---|
2476 | print SeqResult['varyList'] |
---|
2477 | print '**** ERROR - variable list for this histogram does not match previous' |
---|
2478 | raise Exception |
---|
2479 | parmDict.update(phaseDict) |
---|
2480 | parmDict.update(hapDict) |
---|
2481 | parmDict.update(histDict) |
---|
2482 | GetFprime(calcControls,Histo) |
---|
2483 | constrDict,constrFlag,fixedList = G2mv.InputParse([]) #constraints go here? |
---|
2484 | groups,parmlist = G2mv.GroupConstraints(constrDict) |
---|
2485 | G2mv.GenerateConstraints(groups,parmlist,varyList,constrDict,constrFlag,fixedList) |
---|
2486 | G2mv.Map2Dict(parmDict,varyList) |
---|
2487 | |
---|
2488 | while True: |
---|
2489 | begin = time.time() |
---|
2490 | values = np.array(Dict2Values(parmDict, varyList)) |
---|
2491 | Ftol = Controls['min dM/M'] |
---|
2492 | Factor = Controls['shift factor'] |
---|
2493 | maxCyc = Controls['max cyc'] |
---|
2494 | |
---|
2495 | if 'Jacobian' in Controls['deriv type']: |
---|
2496 | result = so.leastsq(errRefine,values,Dfun=dervRefine,full_output=True, |
---|
2497 | ftol=Ftol,col_deriv=True,factor=Factor, |
---|
2498 | args=([Histo,Phases],parmDict,varyList,calcControls,pawleyLookup,dlg)) |
---|
2499 | ncyc = int(result[2]['nfev']/2) |
---|
2500 | elif 'Hessian' in Controls['deriv type']: |
---|
2501 | result = G2mth.HessianLSQ(errRefine,values,Hess=HessRefine,ftol=Ftol,maxcyc=maxCyc, |
---|
2502 | args=([Histo,Phases],parmDict,varyList,calcControls,pawleyLookup,dlg)) |
---|
2503 | ncyc = result[2]['num cyc']+1 |
---|
2504 | else: #'numeric' |
---|
2505 | result = so.leastsq(errRefine,values,full_output=True,ftol=Ftol,epsfcn=1.e-8,factor=Factor, |
---|
2506 | args=([Histo,Phases],parmDict,varyList,calcControls,pawleyLookup,dlg)) |
---|
2507 | ncyc = int(result[2]['nfev']/len(varyList)) |
---|
2508 | |
---|
2509 | |
---|
2510 | |
---|
2511 | runtime = time.time()-begin |
---|
2512 | chisq = np.sum(result[2]['fvec']**2) |
---|
2513 | Values2Dict(parmDict, varyList, result[0]) |
---|
2514 | G2mv.Dict2Map(parmDict,varyList) |
---|
2515 | |
---|
2516 | Rwp = np.sqrt(chisq/Histo['sumwYo'])*100. #to % |
---|
2517 | GOF = chisq/(Histo['Nobs']-len(varyList)) |
---|
2518 | print '\n Refinement results for histogram: v'+histogram |
---|
2519 | print 135*'-' |
---|
2520 | print ' Number of function calls:',result[2]['nfev'],' Number of observations: ',Histo['Nobs'],' Number of parameters: ',len(varyList) |
---|
2521 | print ' Refinement time = %8.3fs, %8.3fs/cycle, for %d cycles'%(runtime,runtime/ncyc,ncyc) |
---|
2522 | print ' wRp = %7.2f%%, chi**2 = %12.6g, reduced chi**2 = %6.2f'%(Rwp,chisq,GOF) |
---|
2523 | try: |
---|
2524 | covMatrix = result[1]*GOF |
---|
2525 | sig = np.sqrt(np.diag(covMatrix)) |
---|
2526 | if np.any(np.isnan(sig)): |
---|
2527 | print '*** Least squares aborted - some invalid esds possible ***' |
---|
2528 | ifPrint = True |
---|
2529 | break #refinement succeeded - finish up! |
---|
2530 | except TypeError: #result[1] is None on singular matrix |
---|
2531 | print '**** Refinement failed - singular matrix ****' |
---|
2532 | if 'Hessian' in Controls['deriv type']: |
---|
2533 | for i in result[2]['psing'].reverse(): |
---|
2534 | print 'Removing parameter: ',varyList[i] |
---|
2535 | del(varyList[i]) |
---|
2536 | else: |
---|
2537 | Ipvt = result[2]['ipvt'] |
---|
2538 | for i,ipvt in enumerate(Ipvt): |
---|
2539 | if not np.sum(result[2]['fjac'],axis=1)[i]: |
---|
2540 | print 'Removing parameter: ',varyList[ipvt-1] |
---|
2541 | del(varyList[ipvt-1]) |
---|
2542 | break |
---|
2543 | |
---|
2544 | GetFobsSq(Histo,Phases,parmDict,calcControls) |
---|
2545 | sigDict = dict(zip(varyList,sig)) |
---|
2546 | newCellDict = GetNewCellParms(parmDict,varyList) |
---|
2547 | newAtomDict = ApplyXYZshifts(parmDict,varyList) |
---|
2548 | covData = {'variables':result[0],'varyList':varyList,'sig':sig, |
---|
2549 | 'covMatrix':covMatrix,'title':histogram,'newAtomDict':newAtomDict,'newCellDict':newCellDict} |
---|
2550 | SetHistogramPhaseData(parmDict,sigDict,Phases,Histo,ifPrint) |
---|
2551 | SetHistogramData(parmDict,sigDict,Histo,ifPrint) |
---|
2552 | SeqResult[histogram] = covData |
---|
2553 | G2IO.SetUsedHistogramsAndPhases(GPXfile,Histo,Phases,covData,makeBack) |
---|
2554 | makeBack = False |
---|
2555 | G2IO.SetSeqResult(GPXfile,Histograms,SeqResult) |
---|
2556 | |
---|
2557 | def DistAngle(DisAglCtls,DisAglData): |
---|
2558 | import numpy.ma as ma |
---|
2559 | |
---|
2560 | def ShowBanner(name): |
---|
2561 | print 80*'*' |
---|
2562 | print ' Interatomic Distances and Angles for phase '+name |
---|
2563 | print 80*'*','\n' |
---|
2564 | |
---|
2565 | ShowBanner(DisAglCtls['Name']) |
---|
2566 | SGData = DisAglData['SGData'] |
---|
2567 | SGtext = G2spc.SGPrint(SGData) |
---|
2568 | for line in SGtext: print line |
---|
2569 | Cell = DisAglData['Cell'] |
---|
2570 | |
---|
2571 | Amat,Bmat = G2lat.cell2AB(Cell[:6]) |
---|
2572 | covData = {} |
---|
2573 | if 'covData' in DisAglData: |
---|
2574 | covData = DisAglData['covData'] |
---|
2575 | covMatrix = covData['covMatrix'] |
---|
2576 | varyList = covData['varyList'] |
---|
2577 | pfx = str(DisAglData['pId'])+'::' |
---|
2578 | A = G2lat.cell2A(Cell[:6]) |
---|
2579 | cellSig = getCellEsd(pfx,SGData,A,covData) |
---|
2580 | names = [' a = ',' b = ',' c = ',' alpha = ',' beta = ',' gamma = ',' Volume = '] |
---|
2581 | valEsd = [G2mth.ValEsd(Cell[i],cellSig[i],True) for i in range(7)] |
---|
2582 | line = '\n Unit cell:' |
---|
2583 | for name,vals in zip(names,valEsd): |
---|
2584 | line += name+vals |
---|
2585 | print line |
---|
2586 | else: |
---|
2587 | print '\n Unit cell: a = ','%.5f'%(Cell[0]),' b = ','%.5f'%(Cell[1]),' c = ','%.5f'%(Cell[2]), \ |
---|
2588 | ' alpha = ','%.3f'%(Cell[3]),' beta = ','%.3f'%(Cell[4]),' gamma = ', \ |
---|
2589 | '%.3f'%(Cell[5]),' volume = ','%.3f'%(Cell[6]) |
---|
2590 | Factor = DisAglCtls['Factors'] |
---|
2591 | Radii = dict(zip(DisAglCtls['AtomTypes'],zip(DisAglCtls['BondRadii'],DisAglCtls['AngleRadii']))) |
---|
2592 | Units = np.array([ #is there a nicer way to make this? |
---|
2593 | [-1,-1,-1],[-1,-1,0],[-1,-1,1],[-1,0,-1],[-1,0,0],[-1,0,1],[-1,1,-1],[-1,1,0],[-1,1,1], |
---|
2594 | [0,-1,-1],[0,-1,0],[0,-1,1],[0,0,-1],[0,0,0],[0,0,1],[0,1,-1],[0,1,0],[0,1,1], |
---|
2595 | [1,-1,-1],[1,-1,0],[1,-1,1],[1,0,-1],[1,0,0],[1,0,1],[1,1,-1],[1,1,0],[1,1,1]]) |
---|
2596 | origAtoms = DisAglData['OrigAtoms'] |
---|
2597 | targAtoms = DisAglData['TargAtoms'] |
---|
2598 | for Oatom in origAtoms: |
---|
2599 | OxyzNames = '' |
---|
2600 | IndBlist = [] |
---|
2601 | Dist = [] |
---|
2602 | Vect = [] |
---|
2603 | VectA = [] |
---|
2604 | angles = [] |
---|
2605 | for Tatom in targAtoms: |
---|
2606 | Xvcov = [] |
---|
2607 | TxyzNames = '' |
---|
2608 | if 'covData' in DisAglData: |
---|
2609 | OxyzNames = [pfx+'dAx:%d'%(Oatom[0]),pfx+'dAy:%d'%(Oatom[0]),pfx+'dAz:%d'%(Oatom[0])] |
---|
2610 | TxyzNames = [pfx+'dAx:%d'%(Tatom[0]),pfx+'dAy:%d'%(Tatom[0]),pfx+'dAz:%d'%(Tatom[0])] |
---|
2611 | Xvcov = G2mth.getVCov(OxyzNames+TxyzNames,varyList,covMatrix) |
---|
2612 | result = G2spc.GenAtom(Tatom[3:6],SGData,False,Move=False) |
---|
2613 | BsumR = (Radii[Oatom[2]][0]+Radii[Tatom[2]][0])*Factor[0] |
---|
2614 | AsumR = (Radii[Oatom[2]][1]+Radii[Tatom[2]][1])*Factor[1] |
---|
2615 | for Txyz,Top,Tunit in result: |
---|
2616 | Dx = (Txyz-np.array(Oatom[3:6]))+Units |
---|
2617 | dx = np.inner(Amat,Dx) |
---|
2618 | dist = ma.masked_less(np.sqrt(np.sum(dx**2,axis=0)),0.5) |
---|
2619 | IndB = ma.nonzero(ma.masked_greater(dist-BsumR,0.)) |
---|
2620 | if np.any(IndB): |
---|
2621 | for indb in IndB: |
---|
2622 | for i in range(len(indb)): |
---|
2623 | if str(dx.T[indb][i]) not in IndBlist: |
---|
2624 | IndBlist.append(str(dx.T[indb][i])) |
---|
2625 | unit = Units[indb][i] |
---|
2626 | tunit = '[%2d%2d%2d]'%(unit[0]+Tunit[0],unit[1]+Tunit[1],unit[2]+Tunit[2]) |
---|
2627 | pdpx = G2mth.getDistDerv(Oatom[3:6],Tatom[3:6],Amat,unit,Top,SGData) |
---|
2628 | sig = 0.0 |
---|
2629 | if len(Xvcov): |
---|
2630 | sig = np.sqrt(np.inner(pdpx,np.inner(Xvcov,pdpx))) |
---|
2631 | Dist.append([Oatom[1],Tatom[1],tunit,Top,ma.getdata(dist[indb])[i],sig]) |
---|
2632 | if (Dist[-1][-1]-AsumR) <= 0.: |
---|
2633 | Vect.append(dx.T[indb][i]/Dist[-1][-2]) |
---|
2634 | VectA.append([OxyzNames,np.array(Oatom[3:6]),TxyzNames,np.array(Tatom[3:6]),unit,Top]) |
---|
2635 | else: |
---|
2636 | Vect.append([0.,0.,0.]) |
---|
2637 | VectA.append([]) |
---|
2638 | Vect = np.array(Vect) |
---|
2639 | angles = np.zeros((len(Vect),len(Vect))) |
---|
2640 | angsig = np.zeros((len(Vect),len(Vect))) |
---|
2641 | for i,veca in enumerate(Vect): |
---|
2642 | if np.any(veca): |
---|
2643 | for j,vecb in enumerate(Vect): |
---|
2644 | if np.any(vecb): |
---|
2645 | angles[i][j],angsig[i][j] = G2mth.getAngSig(VectA[i],VectA[j],Amat,SGData,covData) |
---|
2646 | line = '' |
---|
2647 | for i,x in enumerate(Oatom[3:6]): |
---|
2648 | if len(Xvcov): |
---|
2649 | line += '%12s'%(G2mth.ValEsd(x,np.sqrt(Xvcov[i][i]),True)) |
---|
2650 | else: |
---|
2651 | line += '%12.5f'%(x) |
---|
2652 | print '\n Distances & angles for ',Oatom[1],' at ',line |
---|
2653 | print 80*'*' |
---|
2654 | line = '' |
---|
2655 | for dist in Dist[:-1]: |
---|
2656 | line += '%12s'%(dist[1].center(12)) |
---|
2657 | print ' To cell +(sym. op.) dist. ',line |
---|
2658 | for i,dist in enumerate(Dist): |
---|
2659 | line = '' |
---|
2660 | for j,angle in enumerate(angles[i][0:i]): |
---|
2661 | sig = angsig[i][j] |
---|
2662 | if angle: |
---|
2663 | if sig: |
---|
2664 | line += '%12s'%(G2mth.ValEsd(angle,sig,True).center(12)) |
---|
2665 | else: |
---|
2666 | val = '%.3f'%(angle) |
---|
2667 | line += '%12s'%(val.center(12)) |
---|
2668 | else: |
---|
2669 | line += 12*' ' |
---|
2670 | if dist[5]: #sig exists! |
---|
2671 | val = G2mth.ValEsd(dist[4],dist[5]) |
---|
2672 | else: |
---|
2673 | val = '%8.4f'%(dist[4]) |
---|
2674 | print ' %8s%10s+(%4d) %12s'%(dist[1].ljust(8),dist[2].ljust(10),dist[3],val.center(12)),line |
---|
2675 | |
---|
2676 | def Torsion(TorsionData): |
---|
2677 | |
---|
2678 | def ShowBanner(name): |
---|
2679 | print 80*'*' |
---|
2680 | print ' Torsion angle for phase '+name |
---|
2681 | print 80*'*' |
---|
2682 | |
---|
2683 | ShowBanner(TorsionData['Name']) |
---|
2684 | SGData = TorsionData['SGData'] |
---|
2685 | Cell = TorsionData['Cell'] |
---|
2686 | |
---|
2687 | Amat,Bmat = G2lat.cell2AB(Cell[:6]) |
---|
2688 | covData = {} |
---|
2689 | pfx = '' |
---|
2690 | if 'covData' in TorsionData: |
---|
2691 | covData = TorsionData['covData'] |
---|
2692 | covMatrix = covData['covMatrix'] |
---|
2693 | varyList = covData['varyList'] |
---|
2694 | pfx = str(TorsionData['pId'])+'::' |
---|
2695 | #find one end of 4 atom string - involved in longest distance |
---|
2696 | dist = {} |
---|
2697 | for i,X1 in enumerate(TorsionData['Datoms']): |
---|
2698 | for j,X2 in enumerate(TorsionData['Datoms'][:i]): |
---|
2699 | dist[np.sqrt(np.sum(np.inner(Amat,np.array(X2[3:6])-np.array(X1[3:6]))**2))] = [i,j] |
---|
2700 | sortdist = dist.keys() |
---|
2701 | sortdist.sort() |
---|
2702 | end = dist[sortdist[-1]][0] |
---|
2703 | #order atoms in distance from end - defines sequence of atoms for the torsion angle |
---|
2704 | dist = {} |
---|
2705 | X1 = TorsionData['Datoms'][end] |
---|
2706 | for i,X2 in enumerate(TorsionData['Datoms']): |
---|
2707 | dist[np.sqrt(np.sum(np.inner(Amat,np.array(X2[3:6])-np.array(X1[3:6]))**2))] = i |
---|
2708 | sortdist = dist.keys() |
---|
2709 | sortdist.sort() |
---|
2710 | Datoms = [] |
---|
2711 | Oatoms = [] |
---|
2712 | for d in sortdist: |
---|
2713 | atom = TorsionData['Datoms'][dist[d]] |
---|
2714 | symop = atom[-1].split('+') |
---|
2715 | if len(symop) == 1: |
---|
2716 | symop.append('0,0,0') |
---|
2717 | symop[0] = int(symop[0]) |
---|
2718 | symop[1] = eval(symop[1]) |
---|
2719 | atom[-1] = symop |
---|
2720 | Datoms.append(atom) |
---|
2721 | oatom = TorsionData['Oatoms'][dist[d]] |
---|
2722 | names = ['','',''] |
---|
2723 | if pfx: |
---|
2724 | names = [pfx+'dAx:'+str(oatom[0]),pfx+'dAy:'+str(oatom[0]),pfx+'dAz:'+str(oatom[0])] |
---|
2725 | oatom += [names,] |
---|
2726 | Oatoms.append(oatom) |
---|
2727 | Tors,sig = G2mth.GetTorsionSig(Oatoms,Datoms,Amat,SGData,covData) |
---|
2728 | print ' Torsion angle for atom sequence: ',[Datoms[i][1] for i in range(4)],'=',G2mth.ValEsd(Tors,sig) |
---|
2729 | print ' NB: Atom sequence determined by interatomic distances' |
---|
2730 | |
---|
2731 | def BestPlane(PlaneData): |
---|
2732 | |
---|
2733 | def ShowBanner(name): |
---|
2734 | print 80*'*' |
---|
2735 | print ' Best plane result for phase '+name |
---|
2736 | print 80*'*','\n' |
---|
2737 | |
---|
2738 | ShowBanner(PlaneData['Name']) |
---|
2739 | |
---|
2740 | Cell = PlaneData['Cell'] |
---|
2741 | Amat,Bmat = G2lat.cell2AB(Cell[:6]) |
---|
2742 | Atoms = PlaneData['Atoms'] |
---|
2743 | sumXYZ = np.zeros(3) |
---|
2744 | XYZ = [] |
---|
2745 | Natoms = len(Atoms) |
---|
2746 | for atom in Atoms: |
---|
2747 | xyz = np.array(atom[3:6]) |
---|
2748 | XYZ.append(xyz) |
---|
2749 | sumXYZ += xyz |
---|
2750 | sumXYZ /= Natoms |
---|
2751 | XYZ = np.array(XYZ)-sumXYZ |
---|
2752 | XYZ = np.inner(Amat,XYZ).T |
---|
2753 | Zmat = np.zeros((3,3)) |
---|
2754 | for i,xyz in enumerate(XYZ): |
---|
2755 | Zmat += np.outer(xyz.T,xyz) |
---|
2756 | print ' Selected atoms centered at %10.5f %10.5f %10.5f'%(sumXYZ[0],sumXYZ[1],sumXYZ[2]) |
---|
2757 | Evec,Emat = nl.eig(Zmat) |
---|
2758 | Evec = np.sqrt(Evec)/(Natoms-3) |
---|
2759 | Order = np.argsort(Evec) |
---|
2760 | XYZ = np.inner(XYZ,Emat.T).T |
---|
2761 | XYZ = np.array([XYZ[Order[2]],XYZ[Order[1]],XYZ[Order[0]]]).T |
---|
2762 | print ' Atoms in Cartesian best plane coordinates:' |
---|
2763 | print ' Name X Y Z' |
---|
2764 | for i,xyz in enumerate(XYZ): |
---|
2765 | print ' %6s%10.3f%10.3f%10.3f'%(Atoms[i][1].ljust(6),xyz[0],xyz[1],xyz[2]) |
---|
2766 | print '\n Best plane RMS X =%8.3f, Y =%8.3f, Z =%8.3f'%(Evec[Order[2]],Evec[Order[1]],Evec[Order[0]]) |
---|
2767 | |
---|
2768 | |
---|
2769 | def main(): |
---|
2770 | arg = sys.argv |
---|
2771 | if len(arg) > 1: |
---|
2772 | GPXfile = arg[1] |
---|
2773 | if not ospath.exists(GPXfile): |
---|
2774 | print 'ERROR - ',GPXfile," doesn't exist!" |
---|
2775 | exit() |
---|
2776 | GPXpath = ospath.dirname(arg[1]) |
---|
2777 | Refine(GPXfile,None) |
---|
2778 | else: |
---|
2779 | print 'ERROR - missing filename' |
---|
2780 | exit() |
---|
2781 | print "Done" |
---|
2782 | |
---|
2783 | if __name__ == '__main__': |
---|
2784 | main() |
---|