1 | |
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2 | |
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3 | import wx |
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4 | import copy |
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5 | from copy import deepcopy |
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6 | import math |
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7 | import numpy |
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8 | |
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9 | from sans.guicomm.events import NewPlotEvent, StatusEvent,SlicerParameterEvent,EVT_SLICER_PARS |
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10 | from BaseInteractor import _BaseInteractor |
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11 | from sans.guiframe.dataFitting import Data1D |
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12 | |
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13 | import SlicerParameters |
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14 | |
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15 | |
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16 | class BoxInteractor(_BaseInteractor): |
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17 | """ |
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18 | BoxInteractor define a rectangle that return data1D average of Data2D |
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19 | in a rectangle area defined by -x, x ,y, -y |
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20 | """ |
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21 | def __init__(self,base,axes,color='black', zorder=3): |
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22 | _BaseInteractor.__init__(self, base, axes, color=color) |
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23 | ## Class initialization |
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24 | self.markers = [] |
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25 | self.axes = axes |
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26 | ##connecting artist |
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27 | self.connect = self.base.connect |
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28 | ## determine x y values |
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29 | self.x= 0.5*min(math.fabs(self.base.data2D.xmax),math.fabs( self.base.data2D.xmin)) |
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30 | self.y= 0.5*min(math.fabs(self.base.data2D.xmax),math.fabs( self.base.data2D.xmin)) |
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31 | ## when reach qmax reset the graph |
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32 | self.qmax = max(self.base.data2D.xmax,self.base.data2D.xmin, |
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33 | self.base.data2D.ymax,self.base.data2D.ymin ) |
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34 | ## Number of points on the plot |
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35 | self.nbins = 30 |
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36 | ## If True, I(|Q|) will be return, otherwise, negative q-values are allowed |
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37 | self.fold = True |
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38 | ## reference of the current Slab averaging |
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39 | self.averager=None |
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40 | ## Create vertical and horizaontal lines for the rectangle |
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41 | self.vertical_lines = VerticalLines(self, self.base.subplot,color='blue', |
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42 | zorder=zorder, |
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43 | y= self.y , |
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44 | x= self.x) |
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45 | self.vertical_lines.qmax = self.qmax |
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46 | |
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47 | self.horizontal_lines= HorizontalLines(self, self.base.subplot,color='green', |
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48 | zorder=zorder, |
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49 | x= self.x, |
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50 | y= self.y) |
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51 | self.horizontal_lines.qmax= self.qmax |
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52 | ## draw the rectangle and plost the data 1D resulting |
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53 | ## of averaging data2D |
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54 | self.update() |
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55 | self._post_data() |
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56 | ## Bind to slice parameter events |
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57 | self.base.Bind(EVT_SLICER_PARS, self._onEVT_SLICER_PARS) |
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58 | |
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59 | |
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60 | def _onEVT_SLICER_PARS(self, event): |
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61 | """ |
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62 | receive an event containing parameters values to reset the slicer |
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63 | |
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64 | :param event: event of type SlicerParameterEvent with params as |
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65 | attribute |
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66 | """ |
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67 | wx.PostEvent(self.base.parent, StatusEvent(status="BoxSlicer._onEVT_SLICER_PARS")) |
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68 | event.Skip() |
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69 | if event.type == self.__class__.__name__: |
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70 | self.set_params(event.params) |
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71 | self.base.update() |
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72 | |
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73 | |
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74 | def update_and_post(self): |
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75 | """ |
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76 | Update the slicer and plot the resulting data |
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77 | """ |
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78 | self.update() |
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79 | self._post_data() |
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80 | |
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81 | def set_layer(self, n): |
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82 | """ |
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83 | Allow adding plot to the same panel |
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84 | |
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85 | :param n: the number of layer |
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86 | |
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87 | """ |
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88 | self.layernum = n |
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89 | self.update() |
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90 | |
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91 | def clear(self): |
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92 | """ |
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93 | Clear the slicer and all connected events related to this slicer |
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94 | """ |
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95 | self.averager=None |
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96 | self.clear_markers() |
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97 | self.horizontal_lines.clear() |
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98 | self.vertical_lines.clear() |
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99 | self.base.connect.clearall() |
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100 | self.base.Unbind(EVT_SLICER_PARS) |
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101 | |
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102 | |
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103 | def update(self): |
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104 | """ |
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105 | Respond to changes in the model by recalculating the profiles and |
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106 | resetting the widgets. |
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107 | """ |
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108 | ##Update the slicer if an horizontal line is dragged |
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109 | if self.horizontal_lines.has_move: |
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110 | self.horizontal_lines.update() |
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111 | self.vertical_lines.update(y=self.horizontal_lines.y) |
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112 | |
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113 | ##Update the slicer if a vertical line is dragged |
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114 | if self.vertical_lines.has_move: |
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115 | self.vertical_lines.update() |
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116 | self.horizontal_lines.update(x=self.vertical_lines.x) |
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117 | |
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118 | def save(self, ev): |
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119 | """ |
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120 | Remember the roughness for this layer and the next so that we |
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121 | can restore on Esc. |
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122 | """ |
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123 | self.base.freeze_axes() |
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124 | self.vertical_lines.save(ev) |
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125 | self.horizontal_lines.save(ev) |
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126 | |
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127 | def _post_data(self): |
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128 | pass |
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129 | |
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130 | def post_data(self,new_slab=None , nbins=None, direction =None): |
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131 | """ |
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132 | post data averaging in Qx or Qy given new_slab type |
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133 | |
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134 | :param new_slab: slicer that determine with direction to average |
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135 | :param nbins: the number of points plotted when averaging |
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136 | :param direction: the direction of averaging |
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137 | |
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138 | """ |
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139 | x_min= -1*math.fabs(self.vertical_lines.x) |
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140 | x_max= math.fabs(self.vertical_lines.x) |
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141 | |
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142 | y_min= -1*math.fabs(self.horizontal_lines.y) |
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143 | y_max= math.fabs(self.horizontal_lines.y) |
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144 | |
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145 | if nbins !=None: |
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146 | self.nbins |
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147 | if self.averager==None: |
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148 | if new_slab ==None: |
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149 | raise ValueError,"post data:cannot average , averager is empty" |
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150 | self.averager= new_slab |
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151 | if direction == "X": |
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152 | if self.fold: x_low = 0 |
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153 | else: x_low = math.fabs(x_min) |
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154 | bin_width= (x_max + x_low)/self.nbins |
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155 | else: |
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156 | if self.fold: y_low = 0 |
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157 | else: y_low = math.fabs(y_min) |
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158 | bin_width= (y_max + y_low)/self.nbins |
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159 | ## Average data2D given Qx or Qy |
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160 | box = self.averager( x_min=x_min, x_max=x_max, y_min=y_min, y_max=y_max, |
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161 | bin_width=bin_width) |
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162 | box.fold = self.fold |
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163 | boxavg = box(self.base.data2D) |
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164 | #3 Create Data1D to plot |
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165 | |
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166 | if hasattr(boxavg,"dxl"): |
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167 | dxl= boxavg.dxl |
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168 | else: |
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169 | dxl= None |
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170 | if hasattr(boxavg,"dxw"): |
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171 | dxw=boxavg.dxw |
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172 | else: |
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173 | dxw= None |
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174 | |
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175 | new_plot = Data1D(x=boxavg.x,y=boxavg.y,dy=boxavg.dy) |
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176 | new_plot.dxl = dxl |
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177 | new_plot.dxw = dxw |
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178 | new_plot.name = str(self.averager.__name__) +"("+ self.base.data2D.name+")" |
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179 | |
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180 | new_plot.source=self.base.data2D.source |
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181 | new_plot.interactive = True |
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182 | new_plot.detector =self.base.data2D.detector |
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183 | # If the data file does not tell us what the axes are, just assume... |
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184 | new_plot.xaxis("\\rm{Q}", '\\AA^{-1}') |
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185 | new_plot.yaxis("\\rm{Intensity} ","cm^{-1}") |
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186 | new_plot.group_id = str(self.averager.__name__)+self.base.data2D.name |
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187 | new_plot.id = str(self.averager.__name__) |
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188 | #new_plot.is_data= True |
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189 | |
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190 | wx.PostEvent(self.base.parent, NewPlotEvent(plot=new_plot, |
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191 | title=str(self.averager.__name__) )) |
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192 | |
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193 | def moveend(self, ev): |
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194 | """ |
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195 | Called after a dragging event. |
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196 | Post the slicer new parameters and creates a new Data1D |
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197 | corresponding to the new average |
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198 | """ |
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199 | self.base.thaw_axes() |
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200 | # Post paramters |
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201 | event = SlicerParameterEvent() |
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202 | event.type = self.__class__.__name__ |
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203 | event.params = self.get_params() |
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204 | wx.PostEvent(self.base.parent, event) |
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205 | # create the new data1D |
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206 | self._post_data() |
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207 | |
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208 | def restore(self): |
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209 | """ |
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210 | Restore the roughness for this layer. |
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211 | """ |
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212 | self.horizontal_lines.restore() |
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213 | self.vertical_lines.restore() |
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214 | |
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215 | def move(self, x, y, ev): |
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216 | """ |
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217 | Process move to a new position, making sure that the move is allowed. |
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218 | """ |
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219 | pass |
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220 | |
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221 | def set_cursor(self, x, y): |
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222 | pass |
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223 | |
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224 | def get_params(self): |
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225 | """ |
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226 | Store a copy of values of parameters of the slicer into a dictionary. |
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227 | |
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228 | :return params: the dictionary created |
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229 | |
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230 | """ |
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231 | params = {} |
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232 | params["x_max"]= math.fabs(self.vertical_lines.x) |
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233 | params["y_max"]= math.fabs(self.horizontal_lines.y) |
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234 | params["nbins"]= self.nbins |
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235 | return params |
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236 | |
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237 | def set_params(self, params): |
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238 | """ |
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239 | Receive a dictionary and reset the slicer with values contained |
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240 | in the values of the dictionary. |
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241 | |
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242 | :param params: a dictionary containing name of slicer parameters and |
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243 | values the user assigned to the slicer. |
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244 | """ |
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245 | self.x = float(math.fabs(params["x_max"])) |
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246 | self.y = float(math.fabs(params["y_max"] )) |
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247 | self.nbins=params["nbins"] |
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248 | |
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249 | self.horizontal_lines.update(x= self.x, y= self.y) |
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250 | self.vertical_lines.update(x= self.x, y= self.y) |
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251 | self.post_data( nbins=None) |
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252 | |
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253 | def freeze_axes(self): |
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254 | """ |
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255 | """ |
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256 | self.base.freeze_axes() |
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257 | |
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258 | def thaw_axes(self): |
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259 | """ |
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260 | """ |
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261 | self.base.thaw_axes() |
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262 | |
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263 | def draw(self): |
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264 | """ |
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265 | """ |
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266 | self.base.draw() |
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267 | |
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268 | |
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269 | class HorizontalLines(_BaseInteractor): |
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270 | """ |
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271 | Draw 2 Horizontal lines centered on (0,0) that can move |
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272 | on the x- direction and in opposite direction |
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273 | """ |
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274 | def __init__(self,base,axes,color='black', zorder=5,x=0.5, y=0.5): |
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275 | |
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276 | _BaseInteractor.__init__(self, base, axes, color=color) |
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277 | ##Class initialization |
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278 | self.markers = [] |
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279 | self.axes = axes |
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280 | ## Saving the end points of two lines |
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281 | self.x= x |
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282 | self.save_x= x |
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283 | |
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284 | self.y= y |
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285 | self.save_y= y |
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286 | ## Creating a marker |
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287 | try: |
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288 | # Inner circle marker |
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289 | self.inner_marker = self.axes.plot([0],[self.y], linestyle='', |
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290 | marker='s', markersize=10, |
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291 | color=self.color, alpha=0.6, |
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292 | pickradius=5, label="pick", |
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293 | zorder=zorder, # Prefer this to other lines |
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294 | visible=True)[0] |
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295 | except: |
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296 | self.inner_marker = self.axes.plot([0],[self.y], linestyle='', |
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297 | marker='s', markersize=10, |
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298 | color=self.color, alpha=0.6, |
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299 | label="pick", |
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300 | visible=True)[0] |
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301 | message = "\nTHIS PROTOTYPE NEEDS THE LATEST VERSION OF MATPLOTLIB\n" |
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302 | message += "Get the SVN version that is at least as recent as June 1, 2007" |
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303 | owner=self.base.base.parent |
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304 | wx.PostEvent(owner, StatusEvent(status="AnnulusSlicer: %s"%message)) |
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305 | |
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306 | ## Define 2 horizontal lines |
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307 | self.top_line = self.axes.plot([self.x,-self.x], |
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308 | [self.y,self.y], |
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309 | linestyle='-', marker='', |
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310 | color=self.color, |
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311 | visible=True)[0] |
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312 | self.bottom_line = self.axes.plot([self.x,-self.x], |
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313 | [-self.y,-self.y], |
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314 | linestyle='-', marker='', |
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315 | color=self.color, |
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316 | visible=True)[0] |
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317 | ## Flag to check the motion of the lines |
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318 | self.has_move=False |
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319 | ## Connecting markers to mouse events and draw |
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320 | self.connect_markers([self.top_line, self.inner_marker]) |
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321 | self.update() |
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322 | |
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323 | |
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324 | def set_layer(self, n): |
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325 | """ |
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326 | Allow adding plot to the same panel |
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327 | |
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328 | :param n: the number of layer |
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329 | |
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330 | """ |
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331 | self.layernum = n |
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332 | self.update() |
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333 | |
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334 | def clear(self): |
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335 | """ |
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336 | Clear this slicer and its markers |
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337 | """ |
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338 | self.clear_markers() |
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339 | try: |
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340 | self.inner_marker.remove() |
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341 | self.top_line.remove() |
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342 | self.bottom_line.remove() |
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343 | except: |
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344 | # Old version of matplotlib |
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345 | for item in range(len(self.axes.lines)): |
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346 | del self.axes.lines[0] |
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347 | |
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348 | def update(self,x=None,y=None): |
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349 | """ |
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350 | Draw the new roughness on the graph. |
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351 | |
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352 | :param x: x-coordinates to reset current class x |
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353 | :param y: y-coordinates to reset current class y |
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354 | |
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355 | """ |
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356 | ## Reset x, y- coordinates if send as parameters |
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357 | if x!=None: |
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358 | self.x = numpy.sign(self.x)*math.fabs(x) |
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359 | if y !=None: |
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360 | self.y = numpy.sign(self.y)*math.fabs(y) |
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361 | ## Draw lines and markers |
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362 | self.inner_marker.set(xdata=[0],ydata=[self.y]) |
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363 | self.top_line.set(xdata=[self.x,-self.x], |
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364 | ydata=[self.y,self.y]) |
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365 | self.bottom_line.set(xdata=[self.x,-self.x], |
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366 | ydata=[-self.y, -self.y]) |
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367 | |
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368 | def save(self, ev): |
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369 | """ |
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370 | Remember the roughness for this layer and the next so that we |
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371 | can restore on Esc. |
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372 | """ |
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373 | self.save_x= self.x |
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374 | self.save_y= self.y |
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375 | self.base.freeze_axes() |
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376 | |
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377 | def moveend(self, ev): |
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378 | """ |
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379 | Called after a dragging this edge and set self.has_move to False |
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380 | to specify the end of dragging motion |
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381 | """ |
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382 | self.has_move=False |
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383 | self.base.moveend(ev) |
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384 | |
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385 | def restore(self): |
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386 | """ |
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387 | Restore the roughness for this layer. |
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388 | """ |
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389 | self.x = self.save_x |
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390 | self.y = self.save_y |
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391 | |
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392 | def move(self, x, y, ev): |
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393 | """ |
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394 | Process move to a new position, making sure that the move is allowed. |
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395 | """ |
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396 | self.y= y |
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397 | self.has_move=True |
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398 | self.base.base.update() |
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399 | |
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400 | |
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401 | class VerticalLines(_BaseInteractor): |
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402 | """ |
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403 | Select an annulus through a 2D plot |
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404 | """ |
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405 | def __init__(self,base,axes,color='black',zorder=5,x=0.5, y=0.5): |
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406 | |
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407 | _BaseInteractor.__init__(self, base, axes, color=color) |
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408 | self.markers = [] |
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409 | self.axes = axes |
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410 | |
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411 | self.x= math.fabs(x) |
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412 | self.save_x= self.x |
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413 | self.y= math.fabs(y) |
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414 | self.save_y= y |
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415 | |
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416 | try: |
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417 | # Inner circle marker |
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418 | self.inner_marker = self.axes.plot([self.x],[0], linestyle='', |
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419 | marker='s', markersize=10, |
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420 | color=self.color, alpha=0.6, |
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421 | pickradius=5, label="pick", |
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422 | zorder=zorder, # Prefer this to other lines |
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423 | visible=True)[0] |
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424 | except: |
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425 | self.inner_marker = self.axes.plot([self.x],[0], linestyle='', |
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426 | marker='s', markersize=10, |
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427 | color=self.color, alpha=0.6, |
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428 | label="pick", |
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429 | visible=True)[0] |
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430 | message = "\nTHIS PROTOTYPE NEEDS THE LATEST VERSION OF MATPLOTLIB\n" |
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431 | message += "Get the SVN version that is at least as recent as June 1, 2007" |
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432 | |
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433 | self.right_line = self.axes.plot([self.x,self.x],[self.y,-self.y], |
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434 | linestyle='-', marker='', |
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435 | color=self.color, |
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436 | visible=True)[0] |
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437 | self.left_line = self.axes.plot([-self.x,-self.x],[self.y,-self.y], |
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438 | linestyle='-', marker='', |
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439 | color=self.color, |
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440 | visible=True)[0] |
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441 | |
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442 | self.has_move=False |
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443 | self.connect_markers([self.right_line, self.inner_marker]) |
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444 | self.update() |
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445 | |
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446 | |
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447 | def set_layer(self, n): |
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448 | """ |
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449 | Allow adding plot to the same panel |
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450 | |
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451 | :param n: the number of layer |
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452 | |
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453 | """ |
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454 | self.layernum = n |
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455 | self.update() |
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456 | |
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457 | def clear(self): |
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458 | """ |
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459 | Clear this slicer and its markers |
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460 | """ |
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461 | self.clear_markers() |
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462 | try: |
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463 | self.inner_marker.remove() |
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464 | self.left_line.remove() |
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465 | self.right_line.remove() |
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466 | except: |
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467 | # Old version of matplotlib |
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468 | for item in range(len(self.axes.lines)): |
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469 | del self.axes.lines[0] |
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470 | |
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471 | def update(self,x=None,y=None): |
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472 | """ |
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473 | Draw the new roughness on the graph. |
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474 | |
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475 | :param x: x-coordinates to reset current class x |
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476 | :param y: y-coordinates to reset current class y |
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477 | |
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478 | """ |
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479 | ## reset x, y -coordinates if given as parameters |
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480 | if x!=None: |
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481 | self.x = numpy.sign(self.x)*math.fabs(x) |
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482 | if y !=None: |
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483 | self.y = numpy.sign(self.y)*math.fabs(y) |
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484 | ## draw lines and markers |
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485 | self.inner_marker.set(xdata=[self.x],ydata=[0]) |
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486 | self.left_line.set(xdata=[-self.x,-self.x], |
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487 | ydata=[self.y,-self.y]) |
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488 | self.right_line.set(xdata=[self.x,self.x], |
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489 | ydata=[self.y,-self.y]) |
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490 | |
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491 | def save(self, ev): |
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492 | """ |
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493 | Remember the roughness for this layer and the next so that we |
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494 | can restore on Esc. |
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495 | """ |
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496 | self.save_x = self.x |
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497 | self.save_y = self.y |
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498 | self.base.freeze_axes() |
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499 | |
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500 | def moveend(self, ev): |
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501 | """ |
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502 | Called after a dragging this edge and set self.has_move to False |
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503 | to specify the end of dragging motion |
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504 | """ |
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505 | self.has_move=False |
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506 | self.base.moveend(ev) |
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507 | |
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508 | def restore(self): |
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509 | """ |
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510 | Restore the roughness for this layer. |
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511 | """ |
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512 | self.x = self.save_x |
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513 | self.y = self.save_y |
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514 | |
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515 | def move(self, x, y, ev): |
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516 | """ |
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517 | Process move to a new position, making sure that the move is allowed. |
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518 | """ |
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519 | self.has_move=True |
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520 | self.x= x |
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521 | self.base.base.update() |
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522 | |
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523 | |
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524 | class BoxInteractorX(BoxInteractor): |
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525 | """ |
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526 | Average in Qx direction |
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527 | """ |
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528 | def __init__(self,base,axes,color='black', zorder=3): |
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529 | BoxInteractor.__init__(self, base, axes, color=color) |
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530 | self.base=base |
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531 | self._post_data() |
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532 | |
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533 | |
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534 | def _post_data(self): |
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535 | """ |
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536 | Post data creating by averaging in Qx direction |
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537 | """ |
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538 | from DataLoader.manipulations import SlabX |
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539 | self.post_data(SlabX, direction ="X") |
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540 | |
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541 | |
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542 | class BoxInteractorY(BoxInteractor): |
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543 | """ |
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544 | Average in Qy direction |
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545 | """ |
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546 | def __init__(self,base,axes,color='black', zorder=3): |
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547 | BoxInteractor.__init__(self, base, axes, color=color) |
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548 | self.base=base |
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549 | self._post_data() |
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550 | |
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551 | def _post_data(self): |
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552 | """ |
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553 | Post data creating by averaging in Qy direction |
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554 | """ |
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555 | from DataLoader.manipulations import SlabY |
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556 | self.post_data(SlabY, direction ="Y") |
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557 | |
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558 | |
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