[a9d5684] | 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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[3477478] | 27 | |
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[a9d5684] | 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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[3477478] | 31 | |
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[a9d5684] | 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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[3477478] | 36 | def points(self, x, y, dx=None, dy=None, color=0, symbol=0, zorder=1, |
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[a9d5684] | 37 | markersize=5, label=None, hide_error=False): |
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| 38 | """ |
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| 39 | """ |
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[3477478] | 40 | # Draw curve |
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[a9d5684] | 41 | if self._symbol(symbol) == '-' or self._symbol(symbol) == '--': |
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| 42 | l_width = markersize * 0.4 |
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[3477478] | 43 | return self.curve(x=x, y=y, color=color, symbol=symbol, |
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[a9d5684] | 44 | label=label, width=l_width) |
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[3477478] | 45 | # return |
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[a9d5684] | 46 | if self._symbol(symbol) == 'vline': |
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| 47 | l_width = markersize * 0.4 |
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[3477478] | 48 | return self.vline(x=x, y=y, color=color, label=label, width=l_width) |
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[a9d5684] | 49 | if self._symbol(symbol) == 'step': |
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| 50 | l_width = markersize * 0.4 |
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[3477478] | 51 | return self.step(x=x, y=y, color=color, label=label, width=l_width) |
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[a9d5684] | 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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[3477478] | 59 | dx = nx.vstack((x - dx[0], dx[1] - x)).transpose() |
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[a9d5684] | 60 | if dy != None and type(dy) == type(()): |
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[3477478] | 61 | dy = nx.vstack((y - dy[0], dy[1] - y)).transpose() |
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| 62 | |
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[a9d5684] | 63 | if dx == None and dy == None: |
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[3477478] | 64 | # zorder = 1 |
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[a9d5684] | 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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[3477478] | 71 | |
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[a9d5684] | 72 | if hide_error: |
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[3477478] | 73 | # zorder = 1 |
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[a9d5684] | 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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[3477478] | 80 | # zorder = 2 |
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[a9d5684] | 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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[3477478] | 94 | |
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[a9d5684] | 95 | self.connect_markers([self.marker]) |
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| 96 | self.update() |
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[3477478] | 97 | |
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| 98 | def curve(self, x, y, dy=None, color=0, symbol=0, zorder=10, |
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[a9d5684] | 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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[3477478] | 108 | |
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[a9d5684] | 109 | self.connect_markers([self.marker]) |
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| 110 | self.update() |
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| 111 | |
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[3477478] | 112 | |
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| 113 | def vline(self, x, y, dy=None, color=0, symbol=0, zorder=1, |
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[a9d5684] | 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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[3477478] | 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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[a9d5684] | 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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[3477478] | 132 | label=None, width=2.0): |
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[a9d5684] | 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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[3477478] | 139 | marker='', |
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| 140 | linestyle='-', label=label, |
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| 141 | lw=width, zorder=zorder)[0] |
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[a9d5684] | 142 | self.connect_markers([self.marker]) |
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| 143 | self.update() |
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[3477478] | 144 | |
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[a9d5684] | 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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[3477478] | 159 | |
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[a9d5684] | 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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[3477478] | 179 | |
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[a9d5684] | 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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[3477478] | 187 | |
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[a9d5684] | 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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[3477478] | 208 | |
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[a9d5684] | 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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[3477478] | 226 | |
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[a9d5684] | 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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