1 | """ |
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2 | Object to manage the state of the application |
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3 | """ |
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4 | |
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5 | #TODO: use both CPUs and break the calculations in two threads |
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6 | #TODO: stop threads before starting a new one |
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7 | |
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8 | import wx |
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9 | import wx.lib.newevent |
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10 | |
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11 | #import ModelParameters |
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12 | #import history |
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13 | import modelData |
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14 | from model_thread import Calc2D, Calc1D, Calc2D_4fold, Calc2D_all |
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15 | from copy import deepcopy |
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16 | |
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17 | #TODO: State should report back to StateManager instead |
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18 | # of firing these events itself |
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19 | (Refresh2DEvent, EVT_2DREFRESH) = wx.lib.newevent.NewEvent() |
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20 | (Refresh1DEvent, EVT_1DREFRESH) = wx.lib.newevent.NewEvent() |
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21 | |
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22 | # Debug printout |
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23 | #from config import printEVT |
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24 | |
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25 | |
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26 | |
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27 | class State: |
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28 | |
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29 | def __init__(self, target=None,data=None, model=None, slicer=None, panel=None): |
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30 | self.target = target |
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31 | self.model = model |
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32 | self.data = data |
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33 | self.type_panel= None |
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34 | self.disp_list = [] |
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35 | self.manager = None |
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36 | self.parent = parent |
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37 | self.event_owner = None |
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38 | self.modelbox = wx.ComboBox(self, -1) |
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39 | # preview selected model name |
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40 | self.prevmodel_name=name |
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41 | #print "model view prev_model",name |
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42 | self.modelbox.SetValue(self.prevmodel_name) |
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43 | #enable model 2D draw |
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44 | self.enable2D= False |
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45 | ## Q range |
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46 | self.qmin_x= 0.001 |
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47 | self.qmax_x= 0.1 |
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48 | self.num_points= 100 |
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49 | self.parameters=[] |
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50 | self.fixed_param=[] |
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51 | self.fittable_param=[] |
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52 | #contains link between a model and selected parameters to fit |
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53 | self.param_toFit=[] |
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54 | |
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55 | #dictionary of model name and model class |
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56 | self.model_list_box={} |
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57 | #Draw initial panel |
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58 | self.enable_disp= None |
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59 | self.disable_disp=None |
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60 | |
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61 | if panel !=None: |
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62 | self.panel= panel |
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63 | |
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64 | |
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65 | |
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66 | self.slicer = slicer |
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67 | self.model_par_memento = None |
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68 | self.detector_memento = None |
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69 | self.averager_memento = None |
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70 | self.pars1D_memento = None |
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71 | |
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72 | # Keep the latest data |
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73 | self._data_2D = None |
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74 | self._data_1D = None |
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75 | # The following should disappear |
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76 | self.qmax = None |
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77 | self.x_1D = None |
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78 | |
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79 | # Threads |
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80 | self.active = True |
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81 | self.calc_thread_2D = None |
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82 | self.calc_thread_1D = None |
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83 | |
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84 | # Info for history |
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85 | self.description = '' |
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86 | def clone_panel(self): |
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87 | obj = State(self.target, self.model.clone(),self.panel) |
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88 | obj.data = deepcopy(self.data) |
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89 | |
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90 | |
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91 | |
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92 | |
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93 | def clone(self): |
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94 | obj = State(self.target, self.model.clone(), self.slicer) |
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95 | obj._data_1D = deepcopy(self._data_1D) |
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96 | obj._data_2D = deepcopy(self._data_2D) |
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97 | obj.qmax = deepcopy(self.qmax) |
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98 | obj.x_1D = deepcopy(self.x_1D) |
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99 | obj.model_par_memento = deepcopy(self.model_par_memento) |
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100 | obj.detector_memento = deepcopy(self.detector_memento) |
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101 | obj.averager_memento = deepcopy(self.averager_memento) |
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102 | obj.description = self.description |
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103 | return obj |
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104 | |
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105 | def clear_data(self): |
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106 | self._data_1D = None |
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107 | self._data_2D = None |
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108 | |
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109 | def stop(self): |
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110 | self.active = False |
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111 | if self.calc_thread_1D != None and self.calc_thread_1D.isrunning(): |
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112 | self.calc_thread_1D.stop() |
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113 | if self.calc_thread_2D != None and self.calc_thread_2D.isrunning(): |
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114 | self.calc_thread_2D.stop() |
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115 | |
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116 | def setModelParMemento(self, memento): |
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117 | self.model_par_memento = memento |
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118 | |
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119 | def setDetectorMemento(self, memento): |
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120 | self.clear_data() |
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121 | # Change description |
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122 | self.description = '%s' % memento.toString(self.detector_memento) |
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123 | self.detector_memento = memento |
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124 | |
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125 | def setPars1DMemento(self, memento): |
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126 | self.clear_data() |
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127 | # Change description |
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128 | self.description = '%s' % memento.toString(self.pars1D_memento) |
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129 | self.pars1D_memento = memento |
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130 | |
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131 | def setAveragerMemento(self, memento): |
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132 | self.clear_data() |
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133 | self.averager_memento = memento |
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134 | |
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135 | def setModel(self, model): |
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136 | """ |
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137 | Set the model and send a history event |
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138 | """ |
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139 | # Clean the data to invoke recalc |
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140 | self._data_1D = None |
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141 | self._data_2D = None |
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142 | |
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143 | # Set the model |
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144 | self.model = model |
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145 | |
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146 | self.description = '' |
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147 | |
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148 | return str(self.model.name) |
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149 | |
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150 | def setParams(self, params): |
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151 | """ |
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152 | Update parameters and return a name |
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153 | that represents the change (key) |
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154 | """ |
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155 | # Clean the data to invoke recalc |
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156 | self._data_1D = None |
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157 | self._data_2D = None |
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158 | |
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159 | # Compose string to summarize change |
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160 | name = self.model.name |
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161 | |
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162 | # Identify and perform changes |
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163 | for item in params: |
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164 | name += "/%s=%-5.5g" % (item, self.model.getParam(item)) |
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165 | self.model.setParam(item, params[item]) |
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166 | |
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167 | return name |
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168 | |
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169 | def setSlicer(self, slicer): |
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170 | self.slicer = slicer |
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171 | |
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172 | def get_data_1d(self, x): |
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173 | """ |
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174 | Calculate the data |
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175 | @param min: minimum q-value |
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176 | @param max: maximum q-value |
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177 | """ |
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178 | |
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179 | printEVT("State.get_data_1d") |
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180 | if not self.model: |
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181 | return |
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182 | |
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183 | if self._data_1D == None: |
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184 | self.x_1D = deepcopy(x) |
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185 | if self.calc_thread_1D != None and self.calc_thread_1D.isrunning(): |
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186 | self.calc_thread_1D.stop() |
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187 | |
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188 | self.calc_thread_1D = Calc1D(x, self.model.clone(), |
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189 | completefn=self.complete1D, |
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190 | updatefn=self.update1D) |
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191 | self.calc_thread_1D.queue() |
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192 | self.calc_thread_1D.ready(2.5) |
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193 | else: |
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194 | printEVT("Dispatch 1D non-recalc data") |
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195 | wx.PostEvent(self.target, Refresh1DEvent(name=self.model.name, x = self.x_1D, |
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196 | output=deepcopy(self._data_1D))) |
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197 | |
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198 | |
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199 | def get_data_2d(self, max, x, y): |
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200 | """ |
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201 | Calculate 2D data |
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202 | @param max: maximum q-value |
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203 | """ |
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204 | if not self.model: |
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205 | return |
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206 | |
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207 | if self._data_2D == None: |
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208 | self.qmax = max |
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209 | if self.calc_thread_2D != None and self.calc_thread_2D.isrunning(): |
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210 | self.calc_thread_2D.stop() |
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211 | |
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212 | if self.detector_memento == None or self.detector_memento.sym4 == False: |
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213 | self.calc_thread_2D = Calc2D(x, y, self.model.clone(), |
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214 | completefn=self.complete2D, |
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215 | updatefn=self.update2D, |
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216 | yieldtime=0.0) |
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217 | else: |
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218 | self.calc_thread_2D = Calc2D_4fold(x, y, self.model.clone(), |
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219 | completefn=self.complete2D, |
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220 | updatefn=self.update2D, |
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221 | yieldtime=0.0) |
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222 | |
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223 | self.calc_thread_2D.queue() |
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224 | self.calc_thread_2D.ready(2.5) |
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225 | else: |
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226 | print |
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227 | #printEVT("Dispatch 2D non-recalc data") |
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228 | #wx.PostEvent(self.target, Refresh2DEvent(output=deepcopy(self._data_2D), |
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229 | # qmax=self.qmax)) |
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230 | |
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231 | |
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232 | def update2D(self, output): |
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233 | printEVT("State.updated2D") |
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234 | if self.active: |
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235 | #self._data_2D = output |
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236 | self._data_2D = deepcopy(output) |
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237 | wx.PostEvent(self.target, Refresh2DEvent(output=deepcopy(self._data_2D), |
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238 | qmax=self.qmax)) |
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239 | |
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240 | def complete2D(self, output, elapsed): |
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241 | printEVT("%s: Calc 2D complete in %g sec" % (self.model.name, elapsed)) |
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242 | if self.active: |
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243 | self._data_2D = deepcopy(output) |
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244 | wx.PostEvent(self.target, Refresh2DEvent(output=deepcopy(self._data_2D), |
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245 | qmax=self.qmax)) |
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246 | else: |
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247 | printEVT("Active = False!") |
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248 | |
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249 | def update1D(self, output): |
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250 | pass |
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251 | |
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252 | def complete1D(self, output, elapsed): |
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253 | printEVT("Calc 1D complete in %g sec" % elapsed) |
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254 | self._data_1D = deepcopy(output) |
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255 | wx.PostEvent(self.target, Refresh1DEvent(name=self.model.name, x = self.x_1D, |
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256 | output=deepcopy(self._data_1D))) |
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257 | |
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258 | |
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