Jul 31, 2015 · Jul 26, 2015 · Jul 27, 2015 · Jul 27, 2015 · Jul 27, 2015
diff --git a/examples/animation/animate_decay.py b/examples/animation/animate_decay.py
        t += 0.1
        yield t, np.sin(2*np.pi*t) * np.exp(-t/10.)


 def init():
    ax.set_ylim(-1.1, 1.1)
    ax.set_xlim(0, 10)
    del xdata[:]
    del ydata[:]
    line.set_data(xdata, ydata)
    return line,

 fig, ax = plt.subplots()
 line, = ax.plot([], [], lw=2)
 ax.set_ylim(-1.1, 1.1)
 ax.set_xlim(0, 5)
 ax.grid()
 xdata, ydata = [], []

    return line,

 ani = animation.FuncAnimation(fig, run, data_gen, blit=False, interval=10,
                              repeat=False)
                              repeat=False, init_func=init)
 plt.show()
diff --git a/lib/matplotlib/animation.py b/lib/matplotlib/animation.py
        # actually start the event_source. We also disconnect _start
        # from the draw_events
        self.event_source.add_callback(self._step)
        self._init_draw()
        self.event_source.start()
        self._fig.canvas.mpl_disconnect(self._first_draw_id)
        self._first_draw_id = None  # So we can check on save
        # since GUI widgets are gone. Either need to remove extra code to
        # allow for this non-existant use case or find a way to make it work.
        with writer.saving(self._fig, filename, dpi):
            for anim in all_anim:
                # Clear the initial frame
                anim._init_draw()
            for data in zip(*[a.new_saved_frame_seq()
                              for a in all_anim]):
                for anim, d in zip(all_anim, data):
        # no saved frames, generate a new frame sequence and take the first
        # save_count entries in it.
        if self._save_seq:
            return iter(self._save_seq)
            # While iterating we are going to update _save_seq
            # so make a copy to safely iterate over
            self._old_saved_seq = self._save_seq.copy()
            return iter(self._old_saved_seq)
        else:
            return itertools.islice(self.new_frame_seq(), self.save_count)
Original file line number	Diff line number	Diff line change
Expand Up		@@ -10,10 +10,17 @@ def data_gen(t=0):
		t += 0.1
		yield t, np.sin(2np.pit) * np.exp(-t/10.)


		def init():
		ax.set_ylim(-1.1, 1.1)
		ax.set_xlim(0, 10)
		del xdata[:]
		del ydata[:]
		line.set_data(xdata, ydata)
		return line,

		fig, ax = plt.subplots()
		line, = ax.plot([], [], lw=2)
		ax.set_ylim(-1.1, 1.1)
		ax.set_xlim(0, 5)
		ax.grid()
		xdata, ydata = [], []

Expand All		@@ -33,5 +40,5 @@ def run(data):
		return line,

		ani = animation.FuncAnimation(fig, run, data_gen, blit=False, interval=10,
		repeat=False)
		repeat=False, init_func=init)
		plt.show()
Original file line number	Diff line number	Diff line change
Expand Up		@@ -611,6 +611,7 @@ def _start(self, *args):
		# actually start the event_source. We also disconnect _start
		# from the draw_events
		self.event_source.add_callback(self._step)
		self._init_draw()
		self.event_source.start()
		self._fig.canvas.mpl_disconnect(self._first_draw_id)
		self._first_draw_id = None # So we can check on save
Expand DownExpand Up		@@ -760,6 +761,9 @@ def save(self, filename, writer=None, fps=None, dpi=None, codec=None,
		# since GUI widgets are gone. Either need to remove extra code to
		# allow for this non-existant use case or find a way to make it work.
		with writer.saving(self._fig, filename, dpi):
		for anim in all_anim:
		# Clear the initial frame
		anim._init_draw()
		for data in zip(*[a.new_saved_frame_seq()
		for a in all_anim]):
		for anim, d in zip(all_anim, data):
Expand DownExpand Up		@@ -1080,7 +1084,10 @@ def new_saved_frame_seq(self):
		# no saved frames, generate a new frame sequence and take the first
		# save_count entries in it.
		if self._save_seq:
		return iter(self._save_seq)
		# While iterating we are going to update _save_seq
		# so make a copy to safely iterate over
		self._old_saved_seq = self._save_seq.copy()
		return iter(self._old_saved_seq)
		else:
		return itertools.islice(self.new_frame_seq(), self.save_count)

Expand Down