1 | # -*- coding: utf-8 -*- |
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2 | ########### SVN repository information ################### |
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3 | # $Date: 2020-05-17 21:31:21 +0000 (Sun, 17 May 2020) $ |
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4 | # $Author: vondreele $ |
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5 | # $Revision: 4425 $ |
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6 | # $URL: trunk/imports/G2pdf_gr.py $ |
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7 | # $Id: G2pdf_gr.py 4425 2020-05-17 21:31:21Z vondreele $ |
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8 | ########### SVN repository information ################### |
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9 | ''' |
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10 | *Module G2pdf_gr: read PDF G(R) data* |
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11 | ------------------------------------------------ |
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12 | |
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13 | Routines to read in G(R) data from an .gr type file, with |
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14 | Angstrom steps. |
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15 | |
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16 | ''' |
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17 | |
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18 | from __future__ import division, print_function |
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19 | import os.path as ospath |
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20 | import numpy as np |
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21 | import GSASIIobj as G2obj |
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22 | import GSASIIpath |
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23 | GSASIIpath.SetVersionNumber("$Revision: 4425 $") |
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24 | |
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25 | class txt_FSQReaderClass(G2obj.ImportPDFData): |
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26 | 'Routines to import S(Q) data from a .fq file' |
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27 | def __init__(self): |
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28 | super(self.__class__,self).__init__( # fancy way to self-reference |
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29 | extensionlist=('.fq','.sq'), |
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30 | strictExtension=False, |
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31 | formatName = 'q (A-1) step S(Q) data', |
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32 | longFormatName = 'q (A-1) stepped S(Q) PDF data from pdfGet or GSAS-II' |
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33 | ) |
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34 | |
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35 | # Validate the contents -- make sure we only have valid lines |
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36 | def ContentsValidator(self, filename): |
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37 | 'Look through the file for expected types of lines in a valid r-step file' |
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38 | filepointer = open(filename,'r') |
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39 | Ndata = 0 |
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40 | for i,S in enumerate(filepointer): |
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41 | if '#' in S[:2]: |
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42 | break |
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43 | if len(S.split()) != 2: |
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44 | break |
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45 | for i,S in enumerate(filepointer): |
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46 | vals = S.split() |
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47 | if len(vals) >= 2: |
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48 | try: |
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49 | data = [float(val) for val in vals] |
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50 | Ndata += 1 |
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51 | except ValueError: |
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52 | pass |
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53 | if not Ndata: |
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54 | self.errors = 'No 2 or more column numeric data found' |
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55 | filepointer.close() |
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56 | return False |
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57 | filepointer.close() |
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58 | return True # no errors encountered |
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59 | |
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60 | def Reader(self,filename,ParentFrame=None, **unused): |
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61 | print ('Read a q-step text file') |
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62 | x = [] |
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63 | y = [] |
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64 | ifData = False |
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65 | filepointer = open(filename,'r') |
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66 | for i,S in enumerate(filepointer): |
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67 | if not ifData: |
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68 | if len(S) == 1: #skip blank line |
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69 | continue |
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70 | if len(S.split()) != 2: |
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71 | continue |
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72 | self.comments.append(S[:-1]) |
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73 | if '#' in S[:2]: |
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74 | ifData = True |
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75 | else: |
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76 | vals = S.split() |
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77 | if len(vals) >= 2: |
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78 | try: |
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79 | data = [float(val) for val in vals] |
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80 | x.append(float(data[0])) |
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81 | y.append(float(data[1])) |
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82 | except ValueError: |
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83 | msg = 'Error in line '+str(i+1) |
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84 | print (msg) |
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85 | continue |
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86 | self.pdfdata = np.array([ |
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87 | np.array(x), # x-axis values q |
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88 | np.array(y), # pdf f(q)) |
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89 | ]) |
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90 | self.pdfentry[0] = filename |
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91 | self.pdfentry[2] = 1 # xy file only has one bank |
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92 | self.idstring = ospath.basename(filename) |
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93 | |
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94 | return True |
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95 | |
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96 | class txt_PDFReaderClass(G2obj.ImportPDFData): |
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97 | 'Routines to import PDF G(R) data from a .gr file' |
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98 | def __init__(self): |
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99 | super(self.__class__,self).__init__( # fancy way to self-reference |
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100 | extensionlist=('.gr',), |
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101 | strictExtension=False, |
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102 | formatName = 'r (A) step G(r) data', |
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103 | longFormatName = 'r (A) stepped G(r) PDF data from pdfGet or GSAS-II' |
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104 | ) |
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105 | |
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106 | # Validate the contents -- make sure we only have valid lines |
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107 | def ContentsValidator(self, filename): |
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108 | 'Look through the file for expected types of lines in a valid r-step file' |
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109 | filepointer = open(filename,'r') |
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110 | Ndata = 0 |
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111 | for i,S in enumerate(filepointer): |
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112 | if '#' in S[:2]: |
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113 | break |
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114 | for i,S in enumerate(filepointer): |
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115 | vals = S.split() |
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116 | if len(vals) >= 2: |
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117 | try: |
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118 | data = [float(val) for val in vals] |
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119 | Ndata += 1 |
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120 | except ValueError: |
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121 | pass |
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122 | if not Ndata: |
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123 | self.errors = 'No 2 or more column numeric data found' |
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124 | filepointer.close() |
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125 | return False |
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126 | filepointer.close() |
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127 | return True # no errors encountered |
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128 | |
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129 | def Reader(self,filename,ParentFrame=None, **unused): |
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130 | print ('Read a r-step text file') |
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131 | x = [] |
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132 | y = [] |
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133 | ifData = False |
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134 | filepointer = open(filename,'r') |
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135 | for i,S in enumerate(filepointer): |
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136 | if not ifData: |
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137 | if len(S) == 1: #skip blank line |
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138 | continue |
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139 | self.comments.append(S[:-1]) |
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140 | if '#' in S[:2]: |
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141 | ifData = True |
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142 | else: |
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143 | vals = S.split() |
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144 | if len(vals) >= 2: |
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145 | try: |
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146 | data = [float(val) for val in vals] |
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147 | x.append(float(data[0])) |
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148 | y.append(float(data[1])) |
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149 | except ValueError: |
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150 | msg = 'Error in line '+str(i+1) |
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151 | print (msg) |
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152 | continue |
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153 | self.pdfdata = np.array([ |
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154 | np.array(x), # x-axis values r |
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155 | np.array(y), # pdf g(r) |
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156 | ]) |
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157 | self.pdfentry[0] = filename |
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158 | self.pdfentry[2] = 1 # xy file only has one bank |
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159 | self.idstring = ospath.basename(filename) |
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160 | |
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161 | return True |
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162 | |
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163 | class txt_PDFReaderClassG(G2obj.ImportPDFData): |
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164 | 'Routines to import PDF G(R) data from a .dat file' |
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165 | def __init__(self): |
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166 | super(self.__class__,self).__init__( # fancy way to self-reference |
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167 | extensionlist=('.dat',), |
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168 | strictExtension=False, |
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169 | formatName = 'gudrun r (A) step G(r) data', |
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170 | longFormatName = 'r (A) stepped G(r) PDF data from gudrun' |
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171 | ) |
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172 | |
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173 | # Validate the contents -- make sure we only have valid lines |
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174 | def ContentsValidator(self, filename): |
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175 | 'Look through the file for expected types of lines in a valid r-step file' |
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176 | filepointer = open(filename,'r') |
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177 | Ndata = 0 |
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178 | for i,S in enumerate(filepointer): |
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179 | if i < 2: |
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180 | continue |
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181 | vals = S.split() |
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182 | if len(vals) >= 2: |
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183 | try: |
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184 | data = [float(val) for val in vals] |
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185 | Ndata += 1 |
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186 | except ValueError: |
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187 | pass |
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188 | if not Ndata: |
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189 | self.errors = 'No 2 or more column numeric data found' |
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190 | filepointer.close() |
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191 | return False |
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192 | filepointer.close() |
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193 | return True # no errors encountered |
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194 | |
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195 | def Reader(self,filename,ParentFrame=None, **unused): |
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196 | print ('Read a r-step text file') |
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197 | x = [] |
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198 | y = [] |
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199 | filepointer = open(filename,'r') |
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200 | for i,S in enumerate(filepointer): |
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201 | if i < 2: |
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202 | continue |
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203 | vals = S.split() |
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204 | if len(vals) >= 2: |
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205 | try: |
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206 | data = [float(val) for val in vals] |
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207 | x.append(float(data[0])) |
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208 | y.append(float(data[1])) |
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209 | except ValueError: |
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210 | msg = 'Error in line '+str(i+1) |
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211 | print (msg) |
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212 | continue |
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213 | else: |
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214 | break |
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215 | self.pdfdata = np.array([ |
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216 | np.array(x), # x-axis values r |
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217 | np.array(y), # pdf g(r) |
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218 | ]) |
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219 | self.pdfentry[0] = filename |
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220 | self.pdfentry[2] = 1 # xy file only has one bank |
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221 | self.idstring = ospath.basename(filename) |
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222 | |
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223 | return True |
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224 | |
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