1 | |
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2 | |
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3 | |
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4 | import math |
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5 | import wx |
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6 | from copy import deepcopy |
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7 | from BaseInteractor import _BaseInteractor |
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8 | from sans.guicomm.events import SlicerParamUpdateEvent |
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9 | from sans.guicomm.events import EVT_SLICER_PARS |
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10 | from sans.guicomm.events import StatusEvent |
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11 | |
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12 | |
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13 | class BoxSum(_BaseInteractor): |
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14 | """ |
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15 | Boxsum Class: determine 2 rectangular area to compute |
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16 | the sum of pixel of a Data. |
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17 | Uses PointerInteractor , VerticalDoubleLine,HorizontalDoubleLine. |
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18 | @param zorder: Artists with lower zorder values are drawn first. |
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19 | @param x_min: the minimum value of the x coordinate |
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20 | @param x_max: the maximum value of the x coordinate |
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21 | @param y_min: the minimum value of the y coordinate |
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22 | @param y_max: the maximum value of the y coordinate |
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23 | |
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24 | """ |
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25 | def __init__(self, base, axes, color='black', zorder=3, x_min=0.008, |
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26 | x_max=0.008, y_min=0.0025, y_max=0.0025): |
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27 | """ |
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28 | """ |
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29 | _BaseInteractor.__init__(self, base, axes, color=color) |
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30 | ## class initialization |
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31 | ## list of Boxsmun markers |
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32 | self.markers = [] |
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33 | self.axes = axes |
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34 | ## connect the artist for the motion |
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35 | self.connect = self.base.connect |
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36 | ## when qmax is reached the selected line is reset the its previous value |
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37 | self.qmax = min(self.base.data2D.xmax, self.base.data2D.xmin) |
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38 | ## Define the boxsum limits |
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39 | self.xmin = -1 * 0.5 * min(math.fabs(self.base.data2D.xmax), |
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40 | math.fabs(self.base.data2D.xmin)) |
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41 | self.ymin = -1 * 0.5 * min(math.fabs(self.base.data2D.xmax), |
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42 | math.fabs(self.base.data2D.xmin)) |
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43 | self.xmax = 0.5 * min(math.fabs(self.base.data2D.xmax), |
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44 | math.fabs(self.base.data2D.xmin)) |
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45 | self.ymax = 0.5 * min(math.fabs(self.base.data2D.xmax), |
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46 | math.fabs(self.base.data2D.xmin)) |
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47 | ## center of the boxSum |
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48 | self.center_x = 0.0002 |
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49 | self.center_y = 0.0003 |
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50 | ## Number of points on the plot |
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51 | self.nbins = 20 |
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52 | ## Define initial result the summation |
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53 | self.count = 0 |
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54 | self.error = 0 |
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55 | ## Flag to determine if the current figure has moved |
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56 | ## set to False == no motion , set to True== motion |
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57 | self.has_move = False |
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58 | ## Create Boxsum edges |
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59 | self.horizontal_lines= HorizontalDoubleLine(self, |
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60 | self.base.subplot, |
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61 | color='blue', |
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62 | zorder=zorder, |
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63 | y=self.ymax, |
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64 | x=self.xmax, |
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65 | center_x=self.center_x, |
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66 | center_y=self.center_y) |
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67 | self.horizontal_lines.qmax = self.qmax |
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68 | |
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69 | self.vertical_lines= VerticalDoubleLine(self, |
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70 | self.base.subplot, |
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71 | color='black', |
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72 | zorder=zorder, |
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73 | y=self.ymax, |
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74 | x=self.xmax, |
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75 | center_x=self.center_x, |
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76 | center_y=self.center_y) |
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77 | self.vertical_lines.qmax = self.qmax |
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78 | |
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79 | self.center= PointInteractor(self, |
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80 | self.base.subplot,color='grey', |
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81 | zorder=zorder, |
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82 | center_x= self.center_x, |
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83 | center_y= self.center_y) |
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84 | ## Save the name of the slicer panel associate with this slicer |
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85 | self.panel_name = "" |
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86 | ## Update and post slicer parameters |
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87 | self.update() |
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88 | self._post_data() |
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89 | ## Bind to slice parameter events |
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90 | self.base.Bind(EVT_SLICER_PARS, self._onEVT_SLICER_PARS) |
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91 | |
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92 | def set_panel_name(self, name): |
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93 | """ |
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94 | Store the name of the panel associated to this slicer |
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95 | @param name: the name of this panel |
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96 | """ |
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97 | self.panel_name = name |
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98 | |
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99 | def _onEVT_SLICER_PARS(self, event): |
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100 | """ |
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101 | receive an event containing parameters values to reset the slicer |
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102 | @param event: event of type SlicerParameterEvent with params as |
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103 | attribute |
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104 | """ |
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105 | ## Post e message to declare what kind of event has being received |
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106 | wx.PostEvent(self.base.parent, |
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107 | StatusEvent(status="Boxsum._onEVT_SLICER_PARS")) |
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108 | event.Skip() |
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109 | ## reset the slicer with the values contains the event.params dictionary |
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110 | if event.type == self.__class__.__name__: |
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111 | self.set_params(event.params) |
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112 | self.base.update() |
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113 | |
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114 | def set_layer(self, n): |
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115 | """ |
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116 | Allow adding plot to the same panel |
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117 | :param n: the number of layer |
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118 | """ |
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119 | self.layernum = n |
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120 | self.update() |
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121 | |
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122 | def clear(self): |
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123 | """ |
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124 | Clear the slicer and all connected events related to this slicer |
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125 | """ |
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126 | self.clear_markers() |
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127 | self.horizontal_lines.clear() |
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128 | self.vertical_lines.clear() |
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129 | self.center.clear() |
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130 | self.base.connect.clearall() |
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131 | self.base.Unbind(EVT_SLICER_PARS) |
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132 | |
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133 | def update(self): |
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134 | """ |
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135 | Respond to changes in the model by recalculating the profiles and |
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136 | resetting the widgets. |
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137 | """ |
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138 | ## check if the center point has moved and update the figure accordingly |
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139 | if self.center.has_move: |
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140 | self.center.update() |
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141 | self.horizontal_lines.update( center= self.center) |
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142 | self.vertical_lines.update( center= self.center) |
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143 | ## check if the horizontal lines have moved and |
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144 | #update the figure accordingly |
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145 | if self.horizontal_lines.has_move: |
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146 | self.horizontal_lines.update() |
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147 | self.vertical_lines.update(y1=self.horizontal_lines.y1, |
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148 | y2=self.horizontal_lines.y2, |
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149 | height=self.horizontal_lines.half_height) |
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150 | ## check if the vertical lines have moved and |
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151 | #update the figure accordingly |
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152 | if self.vertical_lines.has_move: |
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153 | self.vertical_lines.update() |
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154 | self.horizontal_lines.update(x1=self.vertical_lines.x1, |
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155 | x2=self.vertical_lines.x2, |
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156 | width=self.vertical_lines.half_width) |
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157 | |
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158 | def save(self, ev): |
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159 | """ |
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160 | Remember the roughness for this layer and the next so that we |
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161 | can restore on Esc. |
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162 | """ |
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163 | self.base.freeze_axes() |
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164 | self.horizontal_lines.save(ev) |
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165 | self.vertical_lines.save(ev) |
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166 | self.center.save(ev) |
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167 | |
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168 | def _post_data(self): |
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169 | """ |
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170 | Get the limits of the boxsum and compute the sum of the pixel |
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171 | contained in that region and the error on that sum |
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172 | """ |
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173 | ## Data 2D for which the pixel will be summed |
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174 | data = self.base.data2D |
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175 | ## the region of the summation |
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176 | x_min = self.horizontal_lines.x2 |
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177 | x_max = self.horizontal_lines.x1 |
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178 | y_min = self.vertical_lines.y2 |
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179 | y_max = self.vertical_lines.y1 |
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180 | ##computation of the sum and its error |
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181 | from DataLoader.manipulations import Boxavg |
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182 | box = Boxavg(x_min=x_min, x_max=x_max, y_min=y_min, y_max=y_max) |
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183 | self.count, self.error = box(self.base.data2D) |
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184 | |
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185 | def moveend(self, ev): |
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186 | """ |
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187 | After a dragging motion this function is called to compute |
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188 | the error and the sum of pixel of a given data 2D |
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189 | """ |
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190 | self.base.thaw_axes() |
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191 | ## compute error an d sum of data's pixel |
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192 | self._post_data() |
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193 | ## Create and event ( posted to guiframe)that set the |
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194 | ##current slicer parameter to a panel of name self.panel_name |
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195 | self.type = self.__class__.__name__ |
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196 | params = self.get_params() |
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197 | event = SlicerParamUpdateEvent(type=self.type, |
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198 | params=params, |
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199 | panel_name=self.panel_name) |
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200 | wx.PostEvent(self.base.parent, event) |
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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 | self.center.restore() |
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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 | def set_cursor(self, x, y): |
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217 | """ |
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218 | """ |
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219 | pass |
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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["Width"] = math.fabs(self.vertical_lines.half_width) * 2 |
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228 | params["Height"] = math.fabs(self.horizontal_lines.half_height) * 2 |
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229 | params["center_x"] = self.center.x |
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230 | params["center_y"] = self.center.y |
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231 | params["count"] = self.count |
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232 | params["errors"] = self.error |
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233 | return params |
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234 | |
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235 | def get_result(self): |
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236 | """ |
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237 | return the result of box summation |
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238 | """ |
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239 | result = {} |
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240 | result["count"] = self.count |
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241 | result["error"] = self.error |
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242 | return result |
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243 | |
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244 | def set_params(self, params): |
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245 | """ |
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246 | Receive a dictionary and reset the slicer with values contained |
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247 | in the values of the dictionary. |
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248 | :param params: a dictionary containing name of slicer parameters and |
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249 | values the user assigned to the slicer. |
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250 | """ |
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251 | x_max = math.fabs(params["Width"] )/2 |
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252 | y_max = math.fabs(params["Height"] )/2 |
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253 | |
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254 | self.center_x = params["center_x"] |
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255 | self.center_y = params["center_y"] |
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256 | #update the slicer given values of params |
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257 | self.center.update(center_x=self.center_x, center_y=self.center_y) |
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258 | self.horizontal_lines.update(center=self.center, |
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259 | width=x_max, height=y_max) |
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260 | self.vertical_lines.update(center=self.center, |
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261 | width=x_max, height=y_max) |
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262 | #compute the new error and sum given values of params |
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263 | self._post_data() |
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264 | |
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265 | def freeze_axes(self): |
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266 | """ |
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267 | """ |
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268 | self.base.freeze_axes() |
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269 | |
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270 | def thaw_axes(self): |
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271 | """ |
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272 | """ |
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273 | self.base.thaw_axes() |
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274 | |
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275 | def draw(self): |
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276 | """ |
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277 | """ |
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278 | self.base.draw() |
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279 | |
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280 | |
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281 | |
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282 | class PointInteractor(_BaseInteractor): |
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283 | """ |
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284 | Draw a point that can be dragged with the marker. |
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285 | this class controls the motion the center of the BoxSum |
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286 | """ |
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287 | def __init__(self, base, axes, color='black', zorder=5, center_x=0.0, |
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288 | center_y=0.0): |
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289 | """ |
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290 | """ |
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291 | _BaseInteractor.__init__(self, base, axes, color=color) |
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292 | ## Initialization the class |
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293 | self.markers = [] |
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294 | self.axes = axes |
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295 | # center coordinates |
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296 | self.x = center_x |
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297 | self.y = center_y |
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298 | ## saved value of the center coordinates |
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299 | self.save_x = center_x |
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300 | self.save_y = center_y |
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301 | ## Create a marker |
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302 | try: |
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303 | self.center_marker = self.axes.plot([self.x],[self.y], linestyle='', |
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304 | marker='s', markersize=10, |
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305 | color=self.color, alpha=0.6, |
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306 | pickradius=5, label="pick", |
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307 | # Prefer this to other lines |
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308 | zorder=zorder, |
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309 | visible=True)[0] |
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310 | except: |
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311 | self.center_marker = self.axes.plot([self.x],[self.y], linestyle='', |
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312 | marker='s', markersize=10, |
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313 | color=self.color, alpha=0.6, |
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314 | label="pick", |
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315 | visible=True)[0] |
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316 | message = "\nTHIS PROTOTYPE NEEDS THE LATEST VERSION" |
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317 | message += " OF MATPLOTLIB.\n Get the SVN version that is " |
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318 | message += "at least as recent as June 1, 2007" |
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319 | owner = self.base.base.parent |
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320 | wx.PostEvent(owner, |
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321 | StatusEvent(status="AnnulusSlicer: %s" % message)) |
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322 | ## Draw a point |
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323 | self.center = self.axes.plot([self.x], [self.y], |
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324 | linestyle='-', marker='', |
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325 | color=self.color, |
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326 | visible=True)[0] |
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327 | ## Flag to determine the motion this point |
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328 | self.has_move = False |
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329 | ## connecting the marker to allow them to move |
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330 | self.connect_markers([self.center_marker]) |
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331 | ## Update the figure |
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332 | self.update() |
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333 | |
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334 | def set_layer(self, n): |
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335 | """ |
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336 | Allow adding plot to the same panel |
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337 | @param n: the number of layer |
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338 | """ |
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339 | self.layernum = n |
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340 | self.update() |
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341 | |
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342 | def clear(self): |
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343 | """ |
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344 | Clear this figure and its markers |
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345 | """ |
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346 | self.clear_markers() |
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347 | try: |
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348 | self.center.remove() |
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349 | self.center_marker.remove() |
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350 | except: |
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351 | # Old version of matplotlib |
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352 | for item in range(len(self.axes.lines)): |
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353 | del self.axes.lines[0] |
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354 | |
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355 | def update(self, center_x=None,center_y=None): |
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356 | """ |
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357 | Draw the new roughness on the graph. |
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358 | """ |
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359 | if center_x != None: |
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360 | self.x = center_x |
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361 | if center_y != None: |
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362 | self.y = center_y |
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363 | self.center_marker.set(xdata=[self.x], ydata=[self.y]) |
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364 | self.center.set(xdata=[self.x], ydata=[self.y]) |
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365 | |
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366 | def save(self, ev): |
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367 | """ |
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368 | Remember the roughness for this layer and the next so that we |
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369 | can restore on Esc. |
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370 | """ |
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371 | self.save_x = self.x |
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372 | self.save_y = self.y |
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373 | self.base.freeze_axes() |
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374 | |
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375 | def moveend(self, ev): |
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376 | """ |
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377 | """ |
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378 | self.has_move=False |
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379 | self.base.moveend(ev) |
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380 | |
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381 | def restore(self): |
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382 | """ |
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383 | Restore the roughness for this layer. |
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384 | """ |
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385 | self.y = self.save_y |
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386 | self.x = self.save_x |
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387 | |
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388 | def move(self, x, y, ev): |
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389 | """ |
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390 | Process move to a new position, making sure that the move is allowed. |
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391 | """ |
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392 | self.x = x |
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393 | self.y = y |
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394 | self.has_move = True |
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395 | self.base.base.update() |
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396 | |
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397 | def set_cursor(self, x, y): |
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398 | """ |
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399 | """ |
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400 | self.move(x, y, None) |
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401 | self.update() |
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402 | |
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403 | def get_params(self): |
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404 | """ |
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405 | """ |
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406 | params = {} |
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407 | params["x"] = self.x |
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408 | params["y"] = self.y |
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409 | return params |
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410 | |
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411 | def set_params(self, params): |
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412 | """ |
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413 | """ |
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414 | center_x = params["x"] |
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415 | center_y = params["y"] |
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416 | self.update(center_x=center_x, center_y=center_y) |
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417 | |
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418 | |
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419 | class VerticalDoubleLine(_BaseInteractor): |
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420 | """ |
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421 | Draw 2 vertical lines moving in opposite direction and centered on |
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422 | a point (PointInteractor) |
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423 | """ |
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424 | def __init__(self, base, axes, color='black', zorder=5, x=0.5,y=0.5, |
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425 | center_x=0.0, center_y=0.0): |
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426 | """ |
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427 | """ |
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428 | _BaseInteractor.__init__(self, base, axes, color=color) |
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429 | ## Initialization the class |
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430 | self.markers = [] |
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431 | self.axes = axes |
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432 | ## Center coordinates |
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433 | self.center_x = center_x |
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434 | self.center_y = center_y |
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435 | ## defined end points vertical lignes and their saved values |
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436 | self.y1 = y + self.center_y |
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437 | self.save_y1= self.y1 |
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438 | |
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439 | delta = self.y1 - self.center_y |
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440 | self.y2 = self.center_y - delta |
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441 | self.save_y2 = self.y2 |
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442 | |
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443 | self.x1 = x + self.center_x |
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444 | self.save_x1 = self.x1 |
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445 | |
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446 | delta = self.x1 - self.center_x |
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447 | self.x2 = self.center_x - delta |
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448 | self.save_x2 = self.x2 |
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449 | ## save the color of the line |
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450 | self.color = color |
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451 | ## the height of the rectangle |
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452 | self.half_height = math.fabs(y) |
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453 | self.save_half_height = math.fabs(y) |
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454 | ## the with of the rectangle |
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455 | self.half_width = math.fabs(self.x1- self.x2)/2 |
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456 | self.save_half_width = math.fabs(self.x1- self.x2)/2 |
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457 | ## Create marker |
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458 | try: |
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459 | self.right_marker = self.axes.plot([self.x1],[0], linestyle='', |
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460 | marker='s', markersize=10, |
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461 | color=self.color, alpha=0.6, |
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462 | pickradius=5, label="pick", |
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463 | # Prefer this to other lines |
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464 | zorder=zorder, visible=True)[0] |
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465 | except: |
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466 | self.right_marker = self.axes.plot([self.x1],[0], linestyle='', |
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467 | marker='s', markersize=10, |
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468 | color=self.color, alpha=0.6, |
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469 | label="pick", visible=True)[0] |
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470 | message = "\nTHIS PROTOTYPE NEEDS THE LATEST " |
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471 | message += "VERSION OF MATPLOTLIB\n Get the SVN version that" |
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472 | message += " is at least as recent as June 1, 2007" |
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473 | owner = self.base.base.parent |
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474 | wx.PostEvent(owner, |
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475 | StatusEvent(status="AnnulusSlicer: %s" % message)) |
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476 | |
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477 | ## define the left and right lines of the rectangle |
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478 | self.right_line = self.axes.plot([self.x1, self.x1], [self.y1, self.y2], |
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479 | linestyle='-', marker='', |
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480 | color=self.color, visible=True)[0] |
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481 | self.left_line = self.axes.plot([self.x2, self.x2], [self.y1, self.y2], |
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482 | linestyle='-', marker='', |
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483 | color=self.color, visible=True)[0] |
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484 | ## Flag to determine if the lines have moved |
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485 | self.has_move = False |
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486 | ## connection the marker and draw the pictures |
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487 | self.connect_markers([self.right_marker]) |
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488 | self.update() |
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489 | |
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490 | def set_layer(self, n): |
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491 | """ |
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492 | Allow adding plot to the same panel |
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493 | :param n: the number of layer |
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494 | """ |
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495 | self.layernum = n |
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496 | self.update() |
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497 | |
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498 | def clear(self): |
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499 | """ |
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500 | Clear this slicer and its markers |
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501 | """ |
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502 | self.clear_markers() |
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503 | try: |
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504 | self.right_marker.remove() |
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505 | self.right_line.remove() |
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506 | self.left_line.remove() |
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507 | except: |
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508 | # Old version of matplotlib |
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509 | for item in range(len(self.axes.lines)): |
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510 | del self.axes.lines[0] |
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511 | |
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512 | def update(self, x1=None, x2=None, y1=None, y2=None,width=None, |
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513 | height=None, center=None): |
---|
514 | """ |
---|
515 | Draw the new roughness on the graph. |
---|
516 | :param x1: new maximum value of x coordinates |
---|
517 | :param x2: new minimum value of x coordinates |
---|
518 | :param y1: new maximum value of y coordinates |
---|
519 | :param y2: new minimum value of y coordinates |
---|
520 | :param width: is the width of the new rectangle |
---|
521 | :param height: is the height of the new rectangle |
---|
522 | :param center: provided x, y coordinates of the center point |
---|
523 | """ |
---|
524 | ## save the new height, witdh of the rectangle if given as a param |
---|
525 | if width != None: |
---|
526 | self.half_width = width |
---|
527 | if height != None: |
---|
528 | self.half_height = height |
---|
529 | ## If new center coordinates are given draw the rectangle |
---|
530 | ##given these value |
---|
531 | if center != None: |
---|
532 | self.center_x = center.x |
---|
533 | self.center_y = center.y |
---|
534 | self.x1 = self.half_width + self.center_x |
---|
535 | self.x2= -self.half_width + self.center_x |
---|
536 | self.y1 = self.half_height + self.center_y |
---|
537 | self.y2= -self.half_height + self.center_y |
---|
538 | |
---|
539 | self.right_marker.set(xdata=[self.x1], ydata=[self.center_y]) |
---|
540 | self.right_line.set(xdata=[self.x1, self.x1], |
---|
541 | ydata=[self.y1, self.y2]) |
---|
542 | self.left_line.set(xdata=[self.x2, self.x2], |
---|
543 | ydata=[self.y1, self.y2]) |
---|
544 | return |
---|
545 | ## if x1, y1, y2, y3 are given draw the rectangle with this value |
---|
546 | if x1 != None: |
---|
547 | self.x1 = x1 |
---|
548 | if x2 != None: |
---|
549 | self.x2 = x2 |
---|
550 | if y1 != None: |
---|
551 | self.y1 = y1 |
---|
552 | if y2 != None: |
---|
553 | self.y2 = y2 |
---|
554 | ## Draw 2 vertical lines and a marker |
---|
555 | self.right_marker.set(xdata=[self.x1], ydata=[self.center_y]) |
---|
556 | self.right_line.set(xdata=[self.x1, self.x1], ydata=[self.y1, self.y2]) |
---|
557 | self.left_line.set(xdata=[self.x2, self.x2], ydata=[self.y1, self.y2]) |
---|
558 | |
---|
559 | def save(self, ev): |
---|
560 | """ |
---|
561 | Remember the roughness for this layer and the next so that we |
---|
562 | can restore on Esc. |
---|
563 | """ |
---|
564 | self.save_x2 = self.x2 |
---|
565 | self.save_y2 = self.y2 |
---|
566 | self.save_x1 = self.x1 |
---|
567 | self.save_y1 = self.y1 |
---|
568 | self.save_half_height = self.half_height |
---|
569 | self.save_half_width = self.half_width |
---|
570 | self.base.freeze_axes() |
---|
571 | |
---|
572 | def moveend(self, ev): |
---|
573 | """ |
---|
574 | After a dragging motion reset the flag self.has_move to False |
---|
575 | """ |
---|
576 | self.has_move = False |
---|
577 | self.base.moveend(ev) |
---|
578 | |
---|
579 | def restore(self): |
---|
580 | """ |
---|
581 | Restore the roughness for this layer. |
---|
582 | """ |
---|
583 | self.y2 = self.save_y2 |
---|
584 | self.x2 = self.save_x2 |
---|
585 | self.y1 = self.save_y1 |
---|
586 | self.x1 = self.save_x1 |
---|
587 | self.half_height = self.save_half_height |
---|
588 | self.half_width = self.save_half_width |
---|
589 | |
---|
590 | def move(self, x, y, ev): |
---|
591 | """ |
---|
592 | Process move to a new position, making sure that the move is allowed. |
---|
593 | """ |
---|
594 | self.x1 = x |
---|
595 | delta = self.x1 - self.center_x |
---|
596 | self.x2 = self.center_x - delta |
---|
597 | self.half_width = math.fabs(self.x1 - self.x2)/2 |
---|
598 | self.has_move = True |
---|
599 | self.base.base.update() |
---|
600 | |
---|
601 | def set_cursor(self, x, y): |
---|
602 | """ |
---|
603 | Update the figure given x and y |
---|
604 | """ |
---|
605 | self.move(x, y, None) |
---|
606 | self.update() |
---|
607 | |
---|
608 | def get_params(self): |
---|
609 | """ |
---|
610 | Store a copy of values of parameters of the slicer into a dictionary. |
---|
611 | @return params: the dictionary created |
---|
612 | """ |
---|
613 | params = {} |
---|
614 | params["x"] = self.x1 |
---|
615 | params["y"] = self.y1 |
---|
616 | return params |
---|
617 | |
---|
618 | def set_params(self, params): |
---|
619 | """ |
---|
620 | Receive a dictionary and reset the slicer with values contained |
---|
621 | in the values of the dictionary. |
---|
622 | @param params: a dictionary containing name of slicer parameters and |
---|
623 | values the user assigned to the slicer. |
---|
624 | """ |
---|
625 | x = params["x"] |
---|
626 | y = params["y"] |
---|
627 | self.update(x=x, y=y, center_x=None, center_y=None) |
---|
628 | |
---|
629 | |
---|
630 | class HorizontalDoubleLine(_BaseInteractor): |
---|
631 | """ |
---|
632 | Select an annulus through a 2D plot |
---|
633 | """ |
---|
634 | def __init__(self, base, axes, color='black', zorder=5, x=0.5, y=0.5, |
---|
635 | center_x=0.0, center_y=0.0): |
---|
636 | |
---|
637 | _BaseInteractor.__init__(self, base, axes, color=color) |
---|
638 | ## Initialization the class |
---|
639 | self.markers = [] |
---|
640 | self.axes = axes |
---|
641 | ## Center coordinates |
---|
642 | self.center_x = center_x |
---|
643 | self.center_y = center_y |
---|
644 | self.y1 = y + self.center_y |
---|
645 | self.save_y1 = self.y1 |
---|
646 | delta = self.y1 - self.center_y |
---|
647 | self.y2 = self.center_y - delta |
---|
648 | self.save_y2 = self.y2 |
---|
649 | self.x1 = x + self.center_x |
---|
650 | self.save_x1 = self.x1 |
---|
651 | delta = self.x1 - self.center_x |
---|
652 | self.x2 = self.center_x - delta |
---|
653 | self.save_x2 = self.x2 |
---|
654 | self.color = color |
---|
655 | self.half_height= math.fabs(y) |
---|
656 | self.save_half_height = math.fabs(y) |
---|
657 | self.half_width = math.fabs(x) |
---|
658 | self.save_half_width = math.fabs(x) |
---|
659 | try: |
---|
660 | self.top_marker = self.axes.plot([0], [self.y1], linestyle='', |
---|
661 | marker='s', markersize=10, |
---|
662 | color=self.color, alpha=0.6, |
---|
663 | pickradius=5, label="pick", |
---|
664 | # Prefer this to other lines |
---|
665 | zorder=zorder, visible=True)[0] |
---|
666 | except: |
---|
667 | self.top_marker = self.axes.plot([0], [self.y1], linestyle='', |
---|
668 | marker='s', markersize=10, |
---|
669 | color=self.color, alpha=0.6, |
---|
670 | label="pick", visible=True)[0] |
---|
671 | message = "\nTHIS PROTOTYPE NEEDS THE LATEST VERSION " |
---|
672 | message += "OF MATPLOTLIB\n Get the SVN version " |
---|
673 | message += "that is at least as recent as June 1, 2007" |
---|
674 | owner = self.base.base.parent |
---|
675 | wx.PostEvent(owner, |
---|
676 | StatusEvent(status="AnnulusSlicer: %s" % message)) |
---|
677 | |
---|
678 | # Define 2 horizotnal lines |
---|
679 | self.top_line = self.axes.plot([self.x1, -self.x1], [self.y1, self.y1], |
---|
680 | linestyle='-', marker='', |
---|
681 | color=self.color, visible=True)[0] |
---|
682 | self.bottom_line = self.axes.plot([self.x1, -self.x1], |
---|
683 | [self.y2, self.y2], |
---|
684 | linestyle='-', marker='', |
---|
685 | color=self.color, visible=True)[0] |
---|
686 | ## Flag to determine if the lines have moved |
---|
687 | self.has_move = False |
---|
688 | ## connection the marker and draw the pictures |
---|
689 | self.connect_markers([self.top_marker]) |
---|
690 | self.update() |
---|
691 | |
---|
692 | def set_layer(self, n): |
---|
693 | """ |
---|
694 | Allow adding plot to the same panel |
---|
695 | @param n: the number of layer |
---|
696 | """ |
---|
697 | self.layernum = n |
---|
698 | self.update() |
---|
699 | |
---|
700 | def clear(self): |
---|
701 | """ |
---|
702 | Clear this figure and its markers |
---|
703 | """ |
---|
704 | self.clear_markers() |
---|
705 | try: |
---|
706 | self.top_marker.remove() |
---|
707 | self.bottom_line.remove() |
---|
708 | self.top_line.remove() |
---|
709 | except: |
---|
710 | # Old version of matplotlib |
---|
711 | for item in range(len(self.axes.lines)): |
---|
712 | del self.axes.lines[0] |
---|
713 | |
---|
714 | def update(self, x1=None, x2=None, y1=None, y2=None, |
---|
715 | width=None, height=None, center=None): |
---|
716 | """ |
---|
717 | Draw the new roughness on the graph. |
---|
718 | :param x1: new maximum value of x coordinates |
---|
719 | :param x2: new minimum value of x coordinates |
---|
720 | :param y1: new maximum value of y coordinates |
---|
721 | :param y2: new minimum value of y coordinates |
---|
722 | :param width: is the width of the new rectangle |
---|
723 | :param height: is the height of the new rectangle |
---|
724 | :param center: provided x, y coordinates of the center point |
---|
725 | """ |
---|
726 | ## save the new height, witdh of the rectangle if given as a param |
---|
727 | if width != None: |
---|
728 | self.half_width = width |
---|
729 | if height!= None: |
---|
730 | self.half_height = height |
---|
731 | ## If new center coordinates are given draw the rectangle |
---|
732 | ##given these value |
---|
733 | if center != None: |
---|
734 | self.center_x = center.x |
---|
735 | self.center_y = center.y |
---|
736 | self.x1 = self.half_width + self.center_x |
---|
737 | self.x2 = -self.half_width + self.center_x |
---|
738 | |
---|
739 | self.y1 = self.half_height + self.center_y |
---|
740 | self.y2 = -self.half_height + self.center_y |
---|
741 | |
---|
742 | self.top_marker.set(xdata=[self.center_x], ydata=[self.y1]) |
---|
743 | self.top_line.set(xdata=[self.x1, self.x2], |
---|
744 | ydata=[self.y1, self.y1]) |
---|
745 | self.bottom_line.set(xdata=[self.x1, self.x2], |
---|
746 | ydata=[self.y2, self.y2]) |
---|
747 | return |
---|
748 | ## if x1, y1, y2, y3 are given draw the rectangle with this value |
---|
749 | if x1 != None: |
---|
750 | self.x1 = x1 |
---|
751 | if x2 != None: |
---|
752 | self.x2 = x2 |
---|
753 | if y1 != None: |
---|
754 | self.y1 = y1 |
---|
755 | if y2 != None: |
---|
756 | self.y2 = y2 |
---|
757 | ## Draw 2 vertical lines and a marker |
---|
758 | self.top_marker.set(xdata=[self.center_x], ydata=[self.y1]) |
---|
759 | self.top_line.set(xdata=[self.x1, self.x2], ydata=[self.y1, self.y1]) |
---|
760 | self.bottom_line.set(xdata=[self.x1, self.x2], ydata=[self.y2, self.y2]) |
---|
761 | |
---|
762 | def save(self, ev): |
---|
763 | """ |
---|
764 | Remember the roughness for this layer and the next so that we |
---|
765 | can restore on Esc. |
---|
766 | """ |
---|
767 | self.save_x2 = self.x2 |
---|
768 | self.save_y2 = self.y2 |
---|
769 | self.save_x1 = self.x1 |
---|
770 | self.save_y1 = self.y1 |
---|
771 | self.save_half_height = self.half_height |
---|
772 | self.save_half_width = self.half_width |
---|
773 | self.base.freeze_axes() |
---|
774 | |
---|
775 | def moveend(self, ev): |
---|
776 | """ |
---|
777 | After a dragging motion reset the flag self.has_move to False |
---|
778 | """ |
---|
779 | self.has_move = False |
---|
780 | self.base.moveend(ev) |
---|
781 | |
---|
782 | def restore(self): |
---|
783 | """ |
---|
784 | Restore the roughness for this layer. |
---|
785 | """ |
---|
786 | self.y2 = self.save_y2 |
---|
787 | self.x2 = self.save_x2 |
---|
788 | self.y1 = self.save_y1 |
---|
789 | self.x1 = self.save_x1 |
---|
790 | self.half_height = self.save_half_height |
---|
791 | self.half_width = self.save_half_width |
---|
792 | |
---|
793 | def move(self, x, y, ev): |
---|
794 | """ |
---|
795 | Process move to a new position, making sure that the move is allowed. |
---|
796 | """ |
---|
797 | self.y1 = y |
---|
798 | delta = self.y1 - self.center_y |
---|
799 | self.y2 = self.center_y - delta |
---|
800 | self.half_height = math.fabs(self.y1) - self.center_y |
---|
801 | self.has_move = True |
---|
802 | self.base.base.update() |
---|
803 | |
---|
804 | def set_cursor(self, x, y): |
---|
805 | """ |
---|
806 | Update the figure given x and y |
---|
807 | """ |
---|
808 | self.move(x, y, None) |
---|
809 | self.update() |
---|
810 | |
---|
811 | def get_params(self): |
---|
812 | """ |
---|
813 | Store a copy of values of parameters of the slicer into a dictionary. |
---|
814 | :return params: the dictionary created |
---|
815 | """ |
---|
816 | params = {} |
---|
817 | params["x"] = self.x |
---|
818 | params["y"] = self.y |
---|
819 | return params |
---|
820 | |
---|
821 | def set_params(self, params): |
---|
822 | """ |
---|
823 | Receive a dictionary and reset the slicer with values contained |
---|
824 | in the values of the dictionary. |
---|
825 | :param params: a dictionary containing name of slicer parameters and |
---|
826 | values the user assigned to the slicer. |
---|
827 | """ |
---|
828 | x = params["x"] |
---|
829 | y = params["y"] |
---|
830 | self.update(x=x, y=y, center_x=None,center_y=None) |
---|
831 | |
---|
832 | |
---|
833 | |
---|