| 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 __future__ import print_function |
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| 5 | |
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| 6 | from BaseInteractor import _BaseInteractor |
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| 7 | |
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| 8 | |
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| 9 | class PointInteractor(_BaseInteractor): |
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| 10 | """ |
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| 11 | """ |
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| 12 | def __init__(self, base, axes, color='black', zorder=3, id=''): |
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| 13 | """ |
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| 14 | """ |
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| 15 | _BaseInteractor.__init__(self, base, axes, color=color) |
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| 16 | self.zorder = zorder |
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| 17 | self.id = id |
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| 18 | self.color = color |
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| 19 | self.colorlist = ['b', 'g', 'r', 'c', 'm', 'y', 'k'] |
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| 20 | self.symbollist = ['o', 'x', '^', 'v', '<', '>', |
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| 21 | '+', 's', 'd', 'D', 'h', 'H', 'p', '-', '--', |
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| 22 | 'vline', 'step'] |
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| 23 | self.markersize = None |
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| 24 | self.marker = None |
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| 25 | self.marker2 = None |
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| 26 | self._button_down = False |
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| 27 | self._context_menu = False |
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| 28 | self._dragged = False |
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| 29 | self.connect_markers([self.axes]) |
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| 30 | |
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| 31 | def _color(self, c): |
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| 32 | """Return a particular colour""" |
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| 33 | return self.colorlist[c % len(self.colorlist)] |
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| 34 | |
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| 35 | def _symbol(self, s): |
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| 36 | """Return a particular symbol""" |
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| 37 | return self.symbollist[s % len(self.symbollist)] |
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| 38 | |
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| 39 | def points(self, x, y, dx=None, dy=None, color=0, symbol=0, zorder=1, |
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| 40 | markersize=5, label=None, hide_error=False): |
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| 41 | """ |
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| 42 | """ |
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| 43 | # Draw curve |
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| 44 | if self._symbol(symbol) == '-' or self._symbol(symbol) == '--': |
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| 45 | l_width = markersize * 0.4 |
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| 46 | return self.curve(x=x, y=y, color=color, symbol=symbol, |
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| 47 | label=label, width=l_width) |
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| 48 | # return |
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| 49 | if self._symbol(symbol) == 'vline': |
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| 50 | l_width = markersize * 0.4 |
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| 51 | return self.vline(x=x, y=y, color=color, label=label, width=l_width) |
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| 52 | if self._symbol(symbol) == 'step': |
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| 53 | l_width = markersize * 0.4 |
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| 54 | return self.step(x=x, y=y, color=color, label=label, width=l_width) |
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| 55 | if self.marker is not None: |
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| 56 | self.base.connect.clear([self.marker]) |
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| 57 | self.color = self._color(color) |
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| 58 | if self.markersize is not None: |
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| 59 | markersize = self.markersize |
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| 60 | # Convert tuple (lo,hi) to array [(x-lo),(hi-x)] |
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| 61 | if dx is not None and type(dx) == type(()): |
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| 62 | dx = nx.vstack((x - dx[0], dx[1] - x)).transpose() |
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| 63 | if dy is not None and type(dy) == type(()): |
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| 64 | dy = nx.vstack((y - dy[0], dy[1] - y)).transpose() |
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| 65 | |
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| 66 | if dx is None and dy is None: |
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| 67 | # zorder = 1 |
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| 68 | self.marker = self.axes.plot(x, y, color=self.color, |
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| 69 | marker=self._symbol(symbol), |
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| 70 | markersize=markersize, |
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| 71 | linestyle='', label=label, |
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| 72 | zorder=zorder)[0] |
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| 73 | else: |
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| 74 | |
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| 75 | if hide_error: |
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| 76 | # zorder = 1 |
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| 77 | self.marker = self.axes.plot(x, y, color=self.color, |
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| 78 | marker=self._symbol(symbol), |
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| 79 | markersize=markersize, |
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| 80 | linestyle='', label=label, |
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| 81 | zorder=1)[0] |
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| 82 | else: |
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| 83 | # zorder = 2 |
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| 84 | self.marker = self.axes.errorbar(x, y, yerr=dy, |
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| 85 | xerr=None, |
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| 86 | ecolor=self.color, |
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| 87 | color=self.color, |
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| 88 | capsize=2, |
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| 89 | linestyle='', |
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| 90 | barsabove=False, |
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| 91 | marker=self._symbol(symbol), |
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| 92 | markersize=markersize, |
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| 93 | lolims=False, uplims=False, |
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| 94 | xlolims=False, xuplims=False, |
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| 95 | label=label, |
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| 96 | zorder=1)[0] |
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| 97 | |
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| 98 | self.connect_markers([self.marker]) |
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| 99 | self.update() |
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| 100 | |
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| 101 | def curve(self, x, y, dy=None, color=0, symbol=0, zorder=10, |
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| 102 | label=None, width=2.0): |
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| 103 | """ |
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| 104 | """ |
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| 105 | if self.marker is not None: |
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| 106 | self.base.connect.clear([self.marker]) |
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| 107 | self.color = self._color(color) |
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| 108 | self.marker = self.axes.plot(x, y, color=self.color, lw=width, |
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| 109 | marker='', linestyle=self._symbol(symbol), |
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| 110 | label=label, zorder=zorder)[0] |
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| 111 | |
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| 112 | self.connect_markers([self.marker]) |
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| 113 | self.update() |
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| 114 | |
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| 115 | |
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| 116 | def vline(self, x, y, dy=None, color=0, symbol=0, zorder=1, |
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| 117 | label=None, width=2.0): |
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| 118 | """ |
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| 119 | """ |
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| 120 | if self.marker is not None: |
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| 121 | self.base.connect.clear([self.marker]) |
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| 122 | self.color = self._color(color) |
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| 123 | if min(y) < 0: |
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| 124 | y_min = 0.0 |
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| 125 | else: |
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| 126 | y_min = min(y) * 9 / 10 |
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| 127 | self.marker = self.axes.vlines(x=x, ymin=y_min, ymax=y, |
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| 128 | color=self.color, |
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| 129 | linestyle='-', label=label, |
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| 130 | lw=width, zorder=zorder) |
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| 131 | self.connect_markers([self.marker]) |
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| 132 | self.update() |
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| 133 | |
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| 134 | def step(self, x, y, dy=None, color=0, symbol=0, zorder=1, |
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| 135 | label=None, width=2.0): |
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| 136 | """ |
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| 137 | """ |
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| 138 | if self.marker is not None: |
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| 139 | self.base.connect.clear([self.marker]) |
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| 140 | self.color = self._color(color) |
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| 141 | self.marker = self.axes.step(x, y, color=self.color, |
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| 142 | marker='', |
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| 143 | linestyle='-', label=label, |
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| 144 | lw=width, zorder=zorder)[0] |
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| 145 | self.connect_markers([self.marker]) |
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| 146 | self.update() |
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| 147 | |
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| 148 | def connect_markers(self, markers): |
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| 149 | """ |
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| 150 | Connect markers to callbacks |
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| 151 | """ |
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| 152 | for h in markers: |
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| 153 | connect = self.base.connect |
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| 154 | connect('enter', h, self._on_enter) |
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| 155 | connect('leave', h, self._on_leave) |
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| 156 | connect('click', h, self._on_click) |
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| 157 | connect('release', h, self._on_release) |
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| 158 | connect('key', h, self.onKey) |
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| 159 | |
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| 160 | def clear(self): |
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| 161 | print("plottable_interactor.clear()") |
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| 162 | |
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| 163 | def _on_click(self, evt): |
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| 164 | """ |
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| 165 | Called when a mouse button is clicked |
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| 166 | from within the boundaries of an artist. |
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| 167 | """ |
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| 168 | if self._context_menu: |
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| 169 | self._context_menu = False |
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| 170 | evt.artist = self.marker |
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| 171 | self._on_leave(evt) |
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| 172 | |
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| 173 | def _on_release(self, evt): |
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| 174 | """ |
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| 175 | Called when a mouse button is released |
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| 176 | within the boundaries of an artist |
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| 177 | """ |
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| 178 | # Check to see whether we are about to pop |
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| 179 | # the context menu up |
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| 180 | if evt.button == 3: |
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| 181 | self._context_menu = True |
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| 182 | |
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| 183 | def _on_enter(self, evt): |
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| 184 | """ |
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| 185 | Called when we are entering the boundaries |
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| 186 | of an artist. |
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| 187 | """ |
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| 188 | if not evt.artist.__class__.__name__ == "AxesSubplot": |
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| 189 | self.base.plottable_selected(self.id) |
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| 190 | |
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| 191 | if evt.artist.get_color() == 'y': |
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| 192 | try: |
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| 193 | evt.artist.set_color('b') |
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| 194 | except: |
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| 195 | evt.artist.set_color_cycle('b') |
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| 196 | if hasattr(evt.artist, "set_facecolor"): |
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| 197 | evt.artist.set_facecolor('b') |
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| 198 | if hasattr(evt.artist, "set_edgecolor"): |
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| 199 | evt.artist.set_edgecolor('b') |
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| 200 | else: |
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| 201 | try: |
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| 202 | evt.artist.set_color('y') |
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| 203 | except: |
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| 204 | evt.artist.set_color_cycle('y') |
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| 205 | if hasattr(evt.artist, "set_facecolor"): |
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| 206 | evt.artist.set_facecolor('y') |
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| 207 | if hasattr(evt.artist, "set_edgecolor"): |
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| 208 | evt.artist.set_edgecolor('y') |
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| 209 | |
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| 210 | self.axes.figure.canvas.draw_idle() |
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| 211 | |
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| 212 | def _on_leave(self, evt): |
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| 213 | """ |
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| 214 | Called when we are leaving the boundaries |
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| 215 | of an artist. |
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| 216 | """ |
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| 217 | if not evt.artist.__class__.__name__ == "AxesSubplot": |
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| 218 | if not self._context_menu: |
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| 219 | self.base.plottable_selected(None) |
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| 220 | try: |
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| 221 | evt.artist.set_color(self.color) |
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| 222 | except: |
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| 223 | evt.artist.set_color_cycle(self.color) |
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| 224 | if hasattr(evt.artist, "set_facecolor"): |
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| 225 | evt.artist.set_facecolor(self.color) |
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| 226 | if hasattr(evt.artist, "set_edgecolor"): |
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| 227 | evt.artist.set_edgecolor(self.color) |
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| 228 | self.axes.figure.canvas.draw_idle() |
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| 229 | |
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| 230 | def update(self): |
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| 231 | """ |
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| 232 | Update |
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| 233 | """ |
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| 234 | pass |
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