1 | # -*- coding: utf-8 -*- |
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2 | ########### SVN repository information ################### |
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3 | # $Date: 2014-07-30 16:36:23 +0000 (Wed, 30 Jul 2014) $ |
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4 | # $Author: vondreele $ |
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5 | # $Revision: 1446 $ |
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6 | # $URL: trunk/imports/G2sfact.py $ |
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7 | # $Id: G2sfact.py 1446 2014-07-30 16:36:23Z vondreele $ |
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8 | ########### SVN repository information ################### |
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9 | ''' |
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10 | *Module G2sfact: simple HKL import* |
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11 | ----------------------------------- |
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12 | Read structure factors from a simple hkl file. Two routines are |
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13 | provided to read from files containing F or F\ :sup:`2` values. |
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14 | |
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15 | ''' |
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16 | import sys |
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17 | import numpy as np |
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18 | import copy |
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19 | import GSASIIIO as G2IO |
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20 | import GSASIIpath |
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21 | GSASIIpath.SetVersionNumber("$Revision: 1446 $") |
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22 | |
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23 | def ColumnValidator(parent, filepointer,nCol=5): |
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24 | 'Validate a file to check that it contains columns of numbers' |
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25 | l = filepointer.readline() |
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26 | line = 1 |
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27 | while l[0] in ['#','(']: #get past comments & fortran formats, if any |
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28 | l = filepointer.readline() |
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29 | line += 1 |
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30 | for i in range(10): # scan a few lines |
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31 | S = l.split() |
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32 | if len(S) < nCol: |
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33 | parent.errors = 'line '+str(line)+': invalid input\n'+l |
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34 | return False |
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35 | for v in S[:nCol]: |
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36 | try: |
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37 | float(v) |
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38 | except ValueError: |
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39 | parent.errors = 'line '+str(line)+': string found where a number is expected\n'+l |
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40 | return False |
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41 | l = filepointer.readline() |
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42 | line += 1 |
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43 | return True |
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44 | |
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45 | |
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46 | class HKLF_ReaderClass(G2IO.ImportStructFactor): |
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47 | 'Routines to import F, sig(F) reflections from a HKLF file' |
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48 | def __init__(self): |
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49 | super(self.__class__,self).__init__( # fancy way to self-reference |
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50 | extensionlist=('.hkl','.HKL'), |
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51 | strictExtension=False, |
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52 | formatName = 'HKL F', |
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53 | longFormatName = 'Simple [hkl, Fo, sig(Fo)] Structure factor text file' |
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54 | ) |
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55 | |
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56 | def ContentsValidator(self, filepointer): |
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57 | 'Make sure file contains the expected columns on numbers' |
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58 | return ColumnValidator(self, filepointer) |
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59 | |
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60 | def Reader(self,filename,filepointer, ParentFrame=None, **unused): |
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61 | 'Read the file' |
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62 | try: |
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63 | for line,S in enumerate(filepointer): |
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64 | self.errors = ' Error reading line '+str(line+1) |
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65 | if S[0] == '#': continue #ignore comments, if any |
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66 | h,k,l,Fo,sigFo = S.split() |
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67 | h,k,l = [int(h),int(k),int(l)] |
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68 | if not any([h,k,l]): |
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69 | break |
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70 | Fo = float(Fo) |
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71 | sigFo = float(sigFo) |
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72 | # h,k,l,m,dsp,Fo2,sig,Fc2,Fot2,Fct2,phase,... |
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73 | self.RefDict['RefList'].append([h,k,l,0,0,Fo**2,2.*Fo*sigFo,0,Fo**2,0,0,0]) |
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74 | #self.RefDict['FF'].append({}) # now done in OnImportSfact |
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75 | self.errors = 'Error after reading reflections (unexpected!)' |
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76 | self.RefDict['RefList'] = np.array(self.RefDict['RefList']) |
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77 | self.UpdateParameters(Type='SXC',Wave=None) # histogram type |
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78 | return True |
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79 | except Exception as detail: |
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80 | self.errors += '\n '+str(detail) |
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81 | print '\n\n'+self.formatName+' read error: '+str(detail) # for testing |
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82 | import traceback |
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83 | traceback.print_exc(file=sys.stdout) |
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84 | return False |
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85 | |
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86 | class HKLF2_ReaderClass(G2IO.ImportStructFactor): |
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87 | 'Routines to import F**2, sig(F**2) reflections from a HKLF file' |
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88 | def __init__(self): |
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89 | super(self.__class__,self).__init__( # fancy way to self-reference |
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90 | extensionlist=('.hkl','.HKL'), |
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91 | strictExtension=False, |
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92 | formatName = u'HKL F\u00b2', |
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93 | longFormatName = u'Simple [hkl, Fo\u00b2, sig(Fo\u00b2)] Structure factor text file' |
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94 | ) |
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95 | |
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96 | def ContentsValidator(self, filepointer): |
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97 | 'Make sure file contains the expected columns on numbers' |
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98 | return ColumnValidator(self, filepointer) |
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99 | |
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100 | def Reader(self,filename,filepointer, ParentFrame=None, **unused): |
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101 | 'Read the file' |
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102 | try: |
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103 | for line,S in enumerate(filepointer): |
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104 | self.errors = ' Error reading line '+str(line+1) |
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105 | if S[0] == '#': continue #ignore comments, if any |
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106 | h,k,l,Fo,sigFo = S.split() |
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107 | h,k,l = [int(h),int(k),int(l)] |
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108 | if not any([h,k,l]): |
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109 | break |
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110 | Fo = float(Fo) |
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111 | sigFo = float(sigFo) |
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112 | # h,k,l,m,dsp,Fo2,sig,Fc2,Fot2,Fct2,phase,... |
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113 | self.RefDict['RefList'].append([h,k,l,0,0,Fo,sigFo,0,Fo,0,0,0]) |
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114 | #self.RefDict['FF'].append({}) # now done in OnImportSfact |
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115 | self.errors = 'Error after reading reflections (unexpected!)' |
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116 | self.RefDict['RefList'] = np.array(self.RefDict['RefList']) |
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117 | self.UpdateParameters(Type='SXC',Wave=None) # histogram type |
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118 | return True |
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119 | except Exception as detail: |
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120 | self.errors += '\n '+str(detail) |
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121 | print '\n\n'+self.formatName+' read error: '+str(detail) # for testing |
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122 | import traceback |
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123 | traceback.print_exc(file=sys.stdout) |
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124 | return False |
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125 | |
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126 | class NT_HKLF2_ReaderClass(G2IO.ImportStructFactor): |
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127 | 'Routines to import neutron TOF F**2, sig(F**2) reflections from a HKLF file' |
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128 | def __init__(self): |
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129 | super(self.__class__,self).__init__( # fancy way to self-reference |
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130 | extensionlist=('.hkl','.HKL'), |
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131 | strictExtension=False, |
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132 | formatName = u'Neutron TOF HKL F\u00b2', |
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133 | longFormatName = u'Neutron TOF [hkl, Fo\u00b2, sig(Fo\u00b2),...] Structure factor text file' |
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134 | ) |
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135 | |
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136 | def ContentsValidator(self, filepointer): |
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137 | 'Make sure file contains the expected columns on numbers & count number of data blocks - "Banks"' |
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138 | oldNo = -1 |
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139 | for line,S in enumerate(filepointer): |
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140 | if not S: #empty line terminates read |
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141 | break |
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142 | if S[0] == '#': continue #ignore comments, if any |
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143 | if S.split()[:3] == ['0','0','0']: |
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144 | break |
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145 | bankNo = S.split()[5] |
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146 | if bankNo != oldNo: |
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147 | self.Banks.append({'RefDict':{'RefList':[],}}) |
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148 | oldNo = bankNo |
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149 | filepointer.seek(0) |
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150 | return ColumnValidator(self, filepointer,nCol=8) |
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151 | |
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152 | def Reader(self,filename,filepointer, ParentFrame=None, **unused): |
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153 | 'Read the file' |
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154 | filepointer.seek(0) |
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155 | try: |
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156 | for line,S in enumerate(filepointer): |
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157 | self.errors = ' Error reading line '+str(line+1) |
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158 | if S[0] == '#': continue #ignore comments, if any |
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159 | data = S.split() |
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160 | h,k,l,Fo,sigFo,bN,wave,tbar = data[:8] #bN = 1..., 6 dir cos next |
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161 | h,k,l = [int(h),int(k),int(l)] |
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162 | if not any([h,k,l]): |
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163 | break |
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164 | Fo = float(Fo) |
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165 | sigFo = float(sigFo) |
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166 | wave = float(wave) |
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167 | tbar = float(tbar) |
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168 | if len(self.Banks): |
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169 | self.Banks[int(bN)-1]['RefDict']['RefList'].append([h,k,l,0,0,Fo,sigFo,0,Fo,0,0,0,wave,tbar]) |
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170 | else: |
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171 | # h,k,l,m,dsp,Fo2,sig,Fc2,Fot2,Fct2,phase,... |
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172 | self.RefDict['RefList'].append([h,k,l,0,0,Fo,sigFo,0,Fo,0,0,0,wave,tbar]) |
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173 | if len(self.Banks): |
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174 | self.UpdateParameters(Type='SNT',Wave=None) # histogram type |
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175 | for Bank in self.Banks: |
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176 | Bank['RefDict']['RefList'] = np.array(Bank['RefDict']['RefList']) |
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177 | else: |
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178 | self.RefDict['RefList'] = np.array(self.RefDict['RefList']) |
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179 | self.errors = 'Error after reading reflections (unexpected!)' |
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180 | self.UpdateParameters(Type='SNT',Wave=None) # histogram type |
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181 | return True |
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182 | except Exception as detail: |
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183 | self.errors += '\n '+str(detail) |
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184 | print '\n\n'+self.formatName+' read error: '+str(detail) # for testing |
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185 | import traceback |
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186 | traceback.print_exc(file=sys.stdout) |
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187 | return False |
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188 | |
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189 | class NT_JANA2K_ReaderClass(G2IO.ImportStructFactor): |
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190 | 'Routines to import neutron TOF F**2, sig(F**2) reflections from a JANA2000 file' |
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191 | def __init__(self): |
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192 | super(self.__class__,self).__init__( # fancy way to self-reference |
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193 | extensionlist=('.int','.INT'), |
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194 | strictExtension=False, |
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195 | formatName = u'Neutron TOF JANA2000 F\u00b2', |
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196 | longFormatName = u'Neutron TOF [hkl, Fo\u00b2, sig(Fo\u00b2),...] Structure factor text file' |
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197 | ) |
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198 | |
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199 | def ContentsValidator(self, filepointer): |
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200 | 'Make sure file contains the expected columns on numbers & count number of data blocks - "Banks"' |
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201 | oldNo = -1 |
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202 | for line,S in enumerate(filepointer): |
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203 | if not S: #empty line terminates read |
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204 | break |
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205 | if S[0] in ['#','(']: continue #ignore comments & fortran format line |
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206 | bankNo = S.split()[5] |
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207 | if bankNo != oldNo: |
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208 | self.Banks.append({'RefDict':{'RefList':[],}}) |
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209 | oldNo = bankNo |
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210 | filepointer.seek(0) |
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211 | return ColumnValidator(self, filepointer,nCol=10) |
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212 | |
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213 | def Reader(self,filename,filepointer, ParentFrame=None, **unused): |
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214 | 'Read the file' |
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215 | filepointer.seek(0) |
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216 | try: |
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217 | for line,S in enumerate(filepointer): |
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218 | self.errors = ' Error reading line '+str(line+1) |
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219 | if S[0] in ['#','(']: continue #ignore comments & fortran format line |
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220 | data = S.split() |
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221 | h,k,l,Fo,sigFo,bN,wave,x,x,tbar = data[:10] #bN = 1..., 6 dir cos next |
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222 | h,k,l = [int(h),int(k),int(l)] |
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223 | if not any([h,k,l]): |
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224 | break |
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225 | Fo = float(Fo) |
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226 | sigFo = float(sigFo) |
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227 | wave = float(wave) |
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228 | tbar = float(tbar) |
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229 | if len(self.Banks): |
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230 | self.Banks[int(bN)-1]['RefDict']['RefList'].append([h,k,l,0,0,Fo,sigFo,0,Fo,0,0,0,wave,tbar]) |
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231 | else: |
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232 | # h,k,l,m,dsp,Fo2,sig,Fc2,Fot2,Fct2,phase,... |
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233 | self.RefDict['RefList'].append([h,k,l,0,0,Fo,sigFo,0,Fo,0,0,0,wave,tbar]) |
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234 | if len(self.Banks): |
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235 | self.UpdateParameters(Type='SNT',Wave=None) # histogram type |
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236 | for Bank in self.Banks: |
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237 | Bank['RefDict']['RefList'] = np.array(Bank['RefDict']['RefList']) |
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238 | else: |
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239 | self.RefDict['RefList'] = np.array(self.RefDict['RefList']) |
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240 | self.errors = 'Error after reading reflections (unexpected!)' |
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241 | self.UpdateParameters(Type='SNT',Wave=None) # histogram type |
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242 | return True |
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243 | except Exception as detail: |
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244 | self.errors += '\n '+str(detail) |
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245 | print '\n\n'+self.formatName+' read error: '+str(detail) # for testing |
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246 | import traceback |
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247 | traceback.print_exc(file=sys.stdout) |
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248 | return False |
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249 | |
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