""" This module allows more interaction with the plot """ from BaseInteractor import _BaseInteractor class PointInteractor(_BaseInteractor): """ """ def __init__(self, base, axes, color='black', zorder=3, id=''): """ """ _BaseInteractor.__init__(self, base, axes, color=color) self.zorder = zorder self.id = id self.color = color self.colorlist = ['b', 'g', 'r', 'c', 'm', 'y', 'k'] self.symbollist = ['o', 'x', '^', 'v', '<', '>', '+', 's', 'd', 'D', 'h', 'H', 'p', '-', '--', 'vline', 'step'] self.markersize = None self.marker = None self.marker2 = None self._button_down = False self._context_menu = False self._dragged = False self.connect_markers([self.axes]) def _color(self, c): """Return a particular colour""" return self.colorlist[c % len(self.colorlist)] def _symbol(self, s): """Return a particular symbol""" return self.symbollist[s % len(self.symbollist)] def points(self, x, y, dx=None, dy=None, color=0, symbol=0, zorder=1, markersize=5, label=None, hide_error=False): """ """ # Draw curve if self._symbol(symbol) == '-' or self._symbol(symbol) == '--': l_width = markersize * 0.4 return self.curve(x=x, y=y, color=color, symbol=symbol, label=label, width=l_width) # return if self._symbol(symbol) == 'vline': l_width = markersize * 0.4 return self.vline(x=x, y=y, color=color, label=label, width=l_width) if self._symbol(symbol) == 'step': l_width = markersize * 0.4 return self.step(x=x, y=y, color=color, label=label, width=l_width) if self.marker is not None: self.base.connect.clear([self.marker]) self.color = self._color(color) if self.markersize is not None: markersize = self.markersize # Convert tuple (lo,hi) to array [(x-lo),(hi-x)] if dx is not None and type(dx) == type(()): dx = nx.vstack((x - dx[0], dx[1] - x)).transpose() if dy is not None and type(dy) == type(()): dy = nx.vstack((y - dy[0], dy[1] - y)).transpose() if dx is None and dy is None: # zorder = 1 self.marker = self.axes.plot(x, y, color=self.color, marker=self._symbol(symbol), markersize=markersize, linestyle='', label=label, zorder=zorder)[0] else: if hide_error: # zorder = 1 self.marker = self.axes.plot(x, y, color=self.color, marker=self._symbol(symbol), markersize=markersize, linestyle='', label=label, zorder=1)[0] else: # zorder = 2 self.marker = self.axes.errorbar(x, y, yerr=dy, xerr=None, ecolor=self.color, color=self.color, capsize=2, linestyle='', barsabove=False, marker=self._symbol(symbol), markersize=markersize, lolims=False, uplims=False, xlolims=False, xuplims=False, label=label, zorder=1)[0] self.connect_markers([self.marker]) self.update() def curve(self, x, y, dy=None, color=0, symbol=0, zorder=10, label=None, width=2.0): """ """ if self.marker is not None: self.base.connect.clear([self.marker]) self.color = self._color(color) self.marker = self.axes.plot(x, y, color=self.color, lw=width, marker='', linestyle=self._symbol(symbol), label=label, zorder=zorder)[0] self.connect_markers([self.marker]) self.update() def vline(self, x, y, dy=None, color=0, symbol=0, zorder=1, label=None, width=2.0): """ """ if self.marker is not None: self.base.connect.clear([self.marker]) self.color = self._color(color) if min(y) < 0: y_min = 0.0 else: y_min = min(y) * 9 / 10 self.marker = self.axes.vlines(x=x, ymin=y_min, ymax=y, color=self.color, linestyle='-', label=label, lw=width, zorder=zorder) self.connect_markers([self.marker]) self.update() def step(self, x, y, dy=None, color=0, symbol=0, zorder=1, label=None, width=2.0): """ """ if self.marker is not None: self.base.connect.clear([self.marker]) self.color = self._color(color) self.marker = self.axes.step(x, y, color=self.color, marker='', linestyle='-', label=label, lw=width, zorder=zorder)[0] self.connect_markers([self.marker]) self.update() def connect_markers(self, markers): """ Connect markers to callbacks """ for h in markers: connect = self.base.connect connect('enter', h, self._on_enter) connect('leave', h, self._on_leave) connect('click', h, self._on_click) connect('release', h, self._on_release) connect('key', h, self.onKey) def clear(self): print "plottable_interactor.clear()" def _on_click(self, evt): """ Called when a mouse button is clicked from within the boundaries of an artist. """ if self._context_menu == True: self._context_menu = False evt.artist = self.marker self._on_leave(evt) def _on_release(self, evt): """ Called when a mouse button is released within the boundaries of an artist """ # Check to see whether we are about to pop # the context menu up if evt.button == 3: self._context_menu = True def _on_enter(self, evt): """ Called when we are entering the boundaries of an artist. """ if not evt.artist.__class__.__name__ == "AxesSubplot": self.base.plottable_selected(self.id) if evt.artist.get_color() == 'y': try: evt.artist.set_color('b') except: evt.artist.set_color_cycle('b') if hasattr(evt.artist, "set_facecolor"): evt.artist.set_facecolor('b') if hasattr(evt.artist, "set_edgecolor"): evt.artist.set_edgecolor('b') else: try: evt.artist.set_color('y') except: evt.artist.set_color_cycle('y') if hasattr(evt.artist, "set_facecolor"): evt.artist.set_facecolor('y') if hasattr(evt.artist, "set_edgecolor"): evt.artist.set_edgecolor('y') self.axes.figure.canvas.draw_idle() def _on_leave(self, evt): """ Called when we are leaving the boundaries of an artist. """ if not evt.artist.__class__.__name__ == "AxesSubplot": if self._context_menu == False: self.base.plottable_selected(None) try: evt.artist.set_color(self.color) except: evt.artist.set_color_cycle(self.color) if hasattr(evt.artist, "set_facecolor"): evt.artist.set_facecolor(self.color) if hasattr(evt.artist, "set_edgecolor"): evt.artist.set_edgecolor(self.color) self.axes.figure.canvas.draw_idle() def update(self): """ Update """ pass