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