1 | import os, sys |
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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 | |
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6 | from DataLoader.loader import Loader |
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7 | |
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8 | def choose_data_file(parent, location=None): |
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9 | path = None |
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10 | if location==None: |
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11 | location = os.getcwd() |
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12 | |
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13 | l = Loader() |
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14 | cards = l.get_wildcards() |
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15 | wlist = '|'.join(cards) |
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16 | |
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17 | dlg = wx.FileDialog(parent, "Choose a file", location, "", wlist, wx.OPEN) |
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18 | if dlg.ShowModal() == wx.ID_OK: |
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19 | path = dlg.GetPath() |
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20 | mypath = os.path.basename(path) |
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21 | dlg.Destroy() |
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22 | |
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23 | return path |
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24 | |
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25 | |
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26 | def load_ascii_1D(path): |
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27 | """ |
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28 | Load a 1D ascii file, with errors |
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29 | """ |
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30 | import numpy |
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31 | if path and os.path.isfile(path): |
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32 | |
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33 | file_x = numpy.zeros(0) |
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34 | file_y = numpy.zeros(0) |
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35 | file_dy = numpy.zeros(0) |
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36 | |
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37 | input_f = open(path,'r') |
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38 | buff = input_f.read() |
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39 | lines = buff.split('\n') |
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40 | |
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41 | has_dy = 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 | err = float(toks[2]) |
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51 | else: |
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52 | err = 0.0 |
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53 | file_x = numpy.append(file_x, x) |
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54 | file_y = numpy.append(file_y, y) |
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55 | file_dy = numpy.append(file_dy, err) |
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56 | except: |
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57 | print "READ ERROR", line |
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58 | |
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59 | if has_dy==False: |
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60 | file_dy = None |
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61 | |
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62 | return file_x, file_y, file_dy |
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63 | return None, None, None |
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64 | |
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65 | def plot_data(parent, path, name="Loaded Data"): |
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66 | from sans.guicomm.events import NewPlotEvent, StatusEvent |
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67 | |
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68 | from DataLoader.loader import Loader |
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69 | import numpy |
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70 | #Instantiate a loader |
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71 | L = Loader() |
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72 | |
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73 | #Recieves data |
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74 | try: |
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75 | output=L.load(path) |
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76 | |
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77 | except: |
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78 | wx.PostEvent(parent, StatusEvent(status="Problem loading file: %s" % sys.exc_value)) |
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79 | return |
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80 | filename = os.path.basename(path) |
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81 | if not output.__class__.__name__=="list": |
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82 | try: |
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83 | dxl=output.dxl |
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84 | dxw=output.dxw |
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85 | except: |
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86 | dxl=None |
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87 | dxw=None |
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88 | if hasattr(output,'data'): |
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89 | new_plot = Data2D(image=output.data,err_image=output.err_data, |
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90 | xmin=output.xmin,xmax=output.xmax, |
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91 | ymin=output.ymin,ymax=output.ymax) |
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92 | new_plot.x_bins=output.x_bins |
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93 | new_plot.y_bins=output.y_bins |
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94 | #print "data_loader",output |
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95 | else: |
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96 | print "output.dx, output.dy",output.dx, output.dy |
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97 | if output.dy ==None: |
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98 | print "went here theory1D" |
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99 | new_plot = Theory1D(output.x,output.y, dxl, dxw) |
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100 | else: |
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101 | new_plot = Data1D(x=output.x,y=output.y,dy=output.dy, dxl=dxl, dxw=dxw) |
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102 | #print "dataloader",output[0],output[1] |
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103 | |
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104 | new_plot.source=output.source |
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105 | new_plot.name = filename |
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106 | new_plot.interactive = True |
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107 | new_plot.info= output |
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108 | if hasattr(output, "dxl"): |
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109 | new_plot.dxl = output.dxl |
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110 | if hasattr(output, "dxw"): |
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111 | new_plot.dxw = output.dxw |
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112 | #print "loader output.detector",output.source |
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113 | new_plot.detector =output.detector |
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114 | |
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115 | # If the data file does not tell us what the axes are, just assume... |
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116 | new_plot.xaxis(output._xaxis,output._xunit) |
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117 | new_plot.yaxis(output._yaxis,output._yunit) |
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118 | new_plot.group_id = filename |
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119 | wx.PostEvent(parent, NewPlotEvent(plot=new_plot, title=filename)) |
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120 | else: |
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121 | i=1 |
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122 | for item in output: |
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123 | try: |
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124 | dxl=item.dxl |
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125 | dxw=item.dxw |
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126 | except: |
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127 | dxl=None |
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128 | dxw=None |
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129 | if item.dy ==None: |
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130 | new_plot = Theory1D(item.x,item.y,dxl,dxw) |
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131 | else: |
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132 | new_plot = Data1D(x=item.x,y=item.y,dy=item.dy,dxl=dxl,dxw=dxw) |
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133 | |
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134 | new_plot.source=item.source |
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135 | new_plot.info=output |
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136 | new_plot.name = filename+" "+ str(i) |
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137 | new_plot.interactive = True |
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138 | |
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139 | #print "loader output.detector",output.source |
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140 | new_plot.detector =item.detector |
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141 | # If the data file does not tell us what the axes are, just assume... |
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142 | new_plot.xaxis(item._xaxis,item._xunit) |
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143 | new_plot.yaxis(item._yaxis,item._yunit) |
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144 | new_plot.group_id = filename |
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145 | wx.PostEvent(parent, NewPlotEvent(plot=new_plot, title=filename)) |
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146 | i+=1 |
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147 | |
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148 | |
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