1 | import os, sys,numpy |
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2 | import wx |
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3 | from dataFitting import Data1D, Theory1D |
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4 | from danse.common.plottools.plottables import Data2D |
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5 | from DataLoader.loader import Loader |
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6 | |
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7 | def choose_data_file(parent, location=None): |
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8 | path = None |
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9 | if location==None: |
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10 | location = os.getcwd() |
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11 | |
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12 | l = Loader() |
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13 | cards = l.get_wildcards() |
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14 | wlist = '|'.join(cards) |
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15 | |
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16 | dlg = wx.FileDialog(parent, "Choose a file", location, "", wlist, wx.OPEN) |
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17 | if dlg.ShowModal() == wx.ID_OK: |
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18 | path = dlg.GetPath() |
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19 | mypath = os.path.basename(path) |
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20 | dlg.Destroy() |
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21 | |
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22 | return path |
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23 | |
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24 | |
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25 | def load_ascii_1D(path): |
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26 | """ |
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27 | Load a 1D ascii file, with errors |
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28 | """ |
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29 | if path and os.path.isfile(path): |
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30 | |
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31 | file_x = numpy.zeros(0) |
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32 | file_y = numpy.zeros(0) |
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33 | file_dy = numpy.zeros(0) |
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34 | file_dx = numpy.zeros(0) |
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35 | |
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36 | input_f = open(path,'r') |
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37 | buff = input_f.read() |
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38 | lines = buff.split('\n') |
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39 | |
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40 | has_dy = False |
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41 | has_dx = False |
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42 | |
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43 | for line in lines: |
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44 | try: |
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45 | toks = line.split() |
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46 | x = float(toks[0]) |
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47 | y = float(toks[1]) |
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48 | if len(toks)==3: |
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49 | has_dy = True |
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50 | errdy = float(toks[2]) |
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51 | else: |
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52 | errdy = 0.0 |
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53 | if len(toks)==4: |
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54 | has_dx = True |
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55 | errdx = float(toks[3]) |
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56 | else: |
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57 | errdx = 0.0 |
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58 | file_x = numpy.append(file_x, x) |
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59 | file_y = numpy.append(file_y, y) |
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60 | file_dy = numpy.append(file_dy, dyerr) |
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61 | file_dx = numpy.append(file_dx, dxerr) |
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62 | except: |
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63 | print "READ ERROR", line |
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64 | |
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65 | if has_dy==False: |
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66 | file_dy = None |
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67 | if has_dx==False: |
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68 | file_dx = None |
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69 | |
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70 | return file_x, file_y, file_dy, file_dx |
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71 | return None, None, None |
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72 | |
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73 | def plot_data(parent, path): |
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74 | """ |
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75 | Use the DataLoader loader to created data to plot. |
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76 | @param path: the path of the data to load |
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77 | """ |
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78 | from sans.guicomm.events import NewPlotEvent, StatusEvent |
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79 | from DataLoader.loader import Loader |
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80 | |
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81 | #Instantiate a loader |
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82 | L = Loader() |
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83 | |
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84 | #Recieves data |
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85 | try: |
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86 | output=L.load(path) |
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87 | |
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88 | except: |
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89 | wx.PostEvent(parent, StatusEvent(status="Problem loading file: %s" % sys.exc_value)) |
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90 | return |
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91 | filename = os.path.basename(path) |
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92 | |
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93 | if not output.__class__.__name__=="list": |
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94 | ## smearing info |
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95 | try: |
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96 | dxl = output.dxl |
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97 | dxw = output.dxw |
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98 | except: |
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99 | dxl = None |
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100 | dxw = None |
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101 | ## data 's name |
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102 | if output.filename==None: |
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103 | output.filename=str(filename) |
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104 | |
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105 | ## Creating a Data2D with output |
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106 | if hasattr(output,'data'): |
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107 | temp = output.err_data |
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108 | temp[temp==0]=1 |
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109 | msg= "Loading 2D error bars of value 1 were added to" |
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110 | wx.PostEvent(parent, StatusEvent(status=" %s %s"% (msg,output.filename))) |
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111 | new_plot = Data2D(image=output.data,err_image=temp, |
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112 | xmin=output.xmin,xmax=output.xmax, |
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113 | ymin=output.ymin,ymax=output.ymax) |
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114 | new_plot.x_bins=output.x_bins |
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115 | new_plot.y_bins=output.y_bins |
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116 | |
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117 | ## Creating a pic image2D with output |
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118 | elif hasattr(output,'image'): |
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119 | msg= "Note that RGB was modified to fit the SansView plot platform..." |
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120 | wx.PostEvent(parent, StatusEvent(status=" %s %s"% (msg,output.filename))) |
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121 | new_plot = Data2D(image=output.image, |
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122 | xmin=output.xmin,xmax=output.xmax, |
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123 | ymin=output.ymin,ymax=output.ymax, pictype = 'image') |
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124 | new_plot.x_bins=output.x_bins |
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125 | new_plot.y_bins=output.y_bins |
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126 | #new_plot.scale = 'linear' |
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127 | ##Creating Data1D with output |
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128 | else: |
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129 | ##dy values checked |
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130 | if output.dy ==None : |
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131 | new_plot = Theory1D(output.x,output.y, dxl, dxw) |
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132 | |
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133 | elif len(output.dy[output.dy==0])==len(output.dy): |
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134 | output.dy[output.dy==0]=1 |
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135 | msg="Loading 1D error bars of value 1 were added to " |
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136 | wx.PostEvent(parent, StatusEvent(status= "%s %s"%(msg, output.filename))) |
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137 | new_plot = Theory1D(output.x,output.y,output.dy, dxl, dxw) |
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138 | else: |
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139 | msg="Loading 1D data: " |
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140 | wx.PostEvent(parent, StatusEvent(status= "%s %s"%(msg, output.filename))) |
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141 | new_plot = Data1D(x=output.x, y=output.y, dx=output.dx, |
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142 | dy=output.dy, dxl=dxl, dxw=dxw) |
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143 | |
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144 | ## source will request in dataLoader .manipulation module |
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145 | new_plot.source=output.source |
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146 | ## name of the data allow to differentiate data when plotted |
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147 | name= output.filename |
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148 | |
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149 | |
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150 | #print "data_name_list",data_name_list |
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151 | new_plot.name = name |
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152 | ## allow to highlight data when plotted |
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153 | new_plot.interactive = True |
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154 | ## when 2 data have the same id override the 1 st plotted |
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155 | new_plot.id = name |
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156 | ## info is a reference to output of dataloader that can be used |
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157 | ## to save data 1D as cansas xml file |
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158 | new_plot.info= output |
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159 | ## detector used by dataLoader.manipulation module |
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160 | new_plot.detector =output.detector |
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161 | ## If the data file does not tell us what the axes are, just assume... |
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162 | new_plot.xaxis(output._xaxis,output._xunit) |
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163 | new_plot.yaxis(output._yaxis,output._yunit) |
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164 | ##group_id specify on which panel to plot this data |
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165 | new_plot.group_id = name |
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166 | ##post data to plot |
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167 | wx.PostEvent(parent, NewPlotEvent(plot=new_plot, title=str(name))) |
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168 | |
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169 | ## the output of the loader is a list , some xml files contain more than one data |
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170 | else: |
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171 | i=1 |
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172 | for item in output: |
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173 | try: |
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174 | dx=item.dx |
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175 | dxl=item.dxl |
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176 | dxw=item.dxw |
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177 | except: |
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178 | dx=None |
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179 | dxl=None |
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180 | dxw=None |
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181 | |
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182 | if item.dy ==None: |
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183 | new_plot = Theory1D(item.x,item.y,dxl,dxw) |
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184 | else: |
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185 | new_plot = Data1D(x=item.x,y=item.y,dx=dx,dy=item.dy,dxl=dxl,dxw=dxw) |
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186 | |
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187 | new_plot.source=item.source |
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188 | |
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189 | name= str(item.run[0]) |
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190 | |
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191 | new_plot.name = name |
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192 | new_plot.interactive = True |
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193 | new_plot.detector =item.detector |
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194 | # If the data file does not tell us what the axes are, just assume... |
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195 | new_plot.xaxis(item._xaxis,item._xunit) |
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196 | new_plot.yaxis(item._yaxis,item._yunit) |
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197 | new_plot.group_id = name |
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198 | new_plot.id = name |
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199 | new_plot.info= item |
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200 | |
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201 | if hasattr(item,"title"): |
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202 | title= item.title |
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203 | else: |
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204 | title= name |
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205 | wx.PostEvent(parent, NewPlotEvent(plot=new_plot, title=str(title))) |
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206 | i+=1 |
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207 | |
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208 | |
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