1 | """ |
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2 | This module allows more interaction with the plot |
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3 | """ |
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4 | from BaseInteractor import _BaseInteractor |
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5 | |
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6 | class PointInteractor(_BaseInteractor): |
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7 | """ |
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8 | """ |
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9 | def __init__(self, base, axes, color='black', zorder=3, id=''): |
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10 | """ |
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11 | """ |
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12 | _BaseInteractor.__init__(self, base, axes, color=color) |
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13 | self.zorder = zorder |
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14 | self.id = id |
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15 | self.color = color |
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16 | self.colorlist = ['b', 'g', 'r', 'c', 'm', 'y', 'k'] |
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17 | self.symbollist = ['o', 'x', '^', 'v', '<', '>', |
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18 | '+', 's', 'd', 'D', 'h', 'H', 'p', '-', '--', |
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19 | 'vline', 'step'] |
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20 | self.markersize = None |
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21 | self.marker = None |
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22 | self.marker2 = None |
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23 | self._button_down = False |
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24 | self._context_menu = False |
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25 | self._dragged = False |
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26 | self.connect_markers([self.axes]) |
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27 | |
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28 | def _color(self, c): |
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29 | """Return a particular colour""" |
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30 | return self.colorlist[c % len(self.colorlist)] |
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31 | |
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32 | def _symbol(self, s): |
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33 | """Return a particular symbol""" |
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34 | return self.symbollist[s % len(self.symbollist)] |
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35 | |
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36 | def points(self, x, y, dx=None, dy=None, color=0, symbol=0, zorder=1, |
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37 | markersize=5, label=None, hide_error=False): |
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38 | """ |
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39 | """ |
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40 | # Draw curve |
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41 | if self._symbol(symbol) == '-' or self._symbol(symbol) == '--': |
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42 | l_width = markersize * 0.4 |
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43 | return self.curve(x=x, y=y, color=color, symbol=symbol, |
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44 | label=label, width=l_width) |
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45 | # return |
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46 | if self._symbol(symbol) == 'vline': |
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47 | l_width = markersize * 0.4 |
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48 | return self.vline(x=x, y=y, color=color, label=label, width=l_width) |
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49 | if self._symbol(symbol) == 'step': |
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50 | l_width = markersize * 0.4 |
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51 | return self.step(x=x, y=y, color=color, label=label, width=l_width) |
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52 | if not self.marker == None: |
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53 | self.base.connect.clear([self.marker]) |
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54 | self.color = self._color(color) |
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55 | if self.markersize != None: |
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56 | markersize = self.markersize |
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57 | # Convert tuple (lo,hi) to array [(x-lo),(hi-x)] |
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58 | if dx != None and type(dx) == type(()): |
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59 | dx = nx.vstack((x - dx[0], dx[1] - x)).transpose() |
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60 | if dy != None and type(dy) == type(()): |
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61 | dy = nx.vstack((y - dy[0], dy[1] - y)).transpose() |
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62 | |
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63 | if dx == None and dy == None: |
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64 | # zorder = 1 |
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65 | self.marker = self.axes.plot(x, y, color=self.color, |
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66 | marker=self._symbol(symbol), |
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67 | markersize=markersize, |
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68 | linestyle='', label=label, |
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69 | zorder=zorder)[0] |
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70 | else: |
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71 | |
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72 | if hide_error: |
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73 | # zorder = 1 |
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74 | self.marker = self.axes.plot(x, y, color=self.color, |
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75 | marker=self._symbol(symbol), |
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76 | markersize=markersize, |
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77 | linestyle='', label=label, |
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78 | zorder=1)[0] |
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79 | else: |
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80 | # zorder = 2 |
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81 | self.marker = self.axes.errorbar(x, y, yerr=dy, |
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82 | xerr=None, |
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83 | ecolor=self.color, |
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84 | color=self.color, |
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85 | capsize=2, |
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86 | linestyle='', |
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87 | barsabove=False, |
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88 | marker=self._symbol(symbol), |
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89 | markersize=markersize, |
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90 | lolims=False, uplims=False, |
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91 | xlolims=False, xuplims=False, |
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92 | label=label, |
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93 | zorder=1)[0] |
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94 | |
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95 | self.connect_markers([self.marker]) |
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96 | self.update() |
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97 | |
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98 | def curve(self, x, y, dy=None, color=0, symbol=0, zorder=10, |
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99 | label=None, width=2.0): |
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100 | """ |
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101 | """ |
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102 | if not self.marker == None: |
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103 | self.base.connect.clear([self.marker]) |
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104 | self.color = self._color(color) |
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105 | self.marker = self.axes.plot(x, y, color=self.color, lw=width, |
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106 | marker='', linestyle=self._symbol(symbol), |
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107 | label=label, zorder=zorder)[0] |
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108 | |
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109 | self.connect_markers([self.marker]) |
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110 | self.update() |
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111 | |
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112 | |
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113 | def vline(self, x, y, dy=None, color=0, symbol=0, zorder=1, |
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114 | label=None, width=2.0): |
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115 | """ |
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116 | """ |
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117 | if not self.marker == None: |
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118 | self.base.connect.clear([self.marker]) |
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119 | self.color = self._color(color) |
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120 | if min(y) < 0: |
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121 | y_min = 0.0 |
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122 | else: |
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123 | y_min = min(y) * 9 / 10 |
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124 | self.marker = self.axes.vlines(x=x, ymin=y_min, ymax=y, |
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125 | color=self.color, |
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126 | linestyle='-', label=label, |
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127 | lw=width, zorder=zorder) |
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128 | self.connect_markers([self.marker]) |
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129 | self.update() |
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130 | |
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131 | def step(self, x, y, dy=None, color=0, symbol=0, zorder=1, |
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132 | label=None, width=2.0): |
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133 | """ |
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134 | """ |
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135 | if not self.marker == None: |
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136 | self.base.connect.clear([self.marker]) |
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137 | self.color = self._color(color) |
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138 | self.marker = self.axes.step(x, y, color=self.color, |
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139 | marker='', |
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140 | linestyle='-', label=label, |
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141 | lw=width, zorder=zorder)[0] |
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142 | self.connect_markers([self.marker]) |
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143 | self.update() |
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144 | |
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145 | def connect_markers(self, markers): |
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146 | """ |
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147 | Connect markers to callbacks |
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148 | """ |
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149 | for h in markers: |
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150 | connect = self.base.connect |
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151 | connect('enter', h, self._on_enter) |
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152 | connect('leave', h, self._on_leave) |
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153 | connect('click', h, self._on_click) |
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154 | connect('release', h, self._on_release) |
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155 | connect('key', h, self.onKey) |
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156 | |
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157 | def clear(self): |
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158 | print "plottable_interactor.clear()" |
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159 | |
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160 | def _on_click(self, evt): |
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161 | """ |
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162 | Called when a mouse button is clicked |
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163 | from within the boundaries of an artist. |
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164 | """ |
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165 | if self._context_menu == True: |
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166 | self._context_menu = False |
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167 | evt.artist = self.marker |
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168 | self._on_leave(evt) |
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169 | |
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170 | def _on_release(self, evt): |
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171 | """ |
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172 | Called when a mouse button is released |
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173 | within the boundaries of an artist |
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174 | """ |
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175 | # Check to see whether we are about to pop |
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176 | # the context menu up |
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177 | if evt.button == 3: |
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178 | self._context_menu = True |
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179 | |
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180 | def _on_enter(self, evt): |
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181 | """ |
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182 | Called when we are entering the boundaries |
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183 | of an artist. |
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184 | """ |
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185 | if not evt.artist.__class__.__name__ == "AxesSubplot": |
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186 | self.base.plottable_selected(self.id) |
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187 | |
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188 | if evt.artist.get_color() == 'y': |
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189 | try: |
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190 | evt.artist.set_color('b') |
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191 | except: |
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192 | evt.artist.set_color_cycle('b') |
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193 | if hasattr(evt.artist, "set_facecolor"): |
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194 | evt.artist.set_facecolor('b') |
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195 | if hasattr(evt.artist, "set_edgecolor"): |
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196 | evt.artist.set_edgecolor('b') |
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197 | else: |
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198 | try: |
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199 | evt.artist.set_color('y') |
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200 | except: |
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201 | evt.artist.set_color_cycle('y') |
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202 | if hasattr(evt.artist, "set_facecolor"): |
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203 | evt.artist.set_facecolor('y') |
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204 | if hasattr(evt.artist, "set_edgecolor"): |
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205 | evt.artist.set_edgecolor('y') |
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206 | |
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207 | self.axes.figure.canvas.draw_idle() |
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208 | |
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209 | def _on_leave(self, evt): |
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210 | """ |
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211 | Called when we are leaving the boundaries |
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212 | of an artist. |
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213 | """ |
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214 | if not evt.artist.__class__.__name__ == "AxesSubplot": |
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215 | if self._context_menu == False: |
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216 | self.base.plottable_selected(None) |
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217 | try: |
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218 | evt.artist.set_color(self.color) |
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219 | except: |
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220 | evt.artist.set_color_cycle(self.color) |
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221 | if hasattr(evt.artist, "set_facecolor"): |
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222 | evt.artist.set_facecolor(self.color) |
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223 | if hasattr(evt.artist, "set_edgecolor"): |
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224 | evt.artist.set_edgecolor(self.color) |
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225 | self.axes.figure.canvas.draw_idle() |
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226 | |
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227 | def update(self): |
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228 | """ |
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229 | Update |
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230 | """ |
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231 | pass |
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