statimo
commented
2 years ago Also tried it in Google Colab
IndexError Traceback (most recent call last)
19 frames /usr/local/lib/python3.7/dist-packages/swarmlib/util/problem_base.py in replay(self) 23 Start the problems visualization. 24 """ ---> 25 self._visualizer.replay()
/usr/local/lib/python3.7/dist-packages/swarmlib/util/base_visualizer.py in replay(self, **kwargs) 84 # iterationnumber+1 for initialization frame 85 = animation.FuncAnimation(self._fig, self._animate, frames=frames, interval=self.__frame_interval, ---> 86 blit=True, init_func=self._init, repeat=self.__continuous, fargs=[frames]) 87 88 plt.show()
/usr/local/lib/python3.7/dist-packages/matplotlib/animation.py in init(self, fig, func, frames, init_func, fargs, save_count, cache_frame_data, kwargs) 1632 self._save_seq = [] 1633 -> 1634 super().init(fig, kwargs) 1635 1636 # Need to reset the saved seq, since right now it will contain data
/usr/local/lib/python3.7/dist-packages/matplotlib/animation.py in init(self, fig, interval, repeat_delay, repeat, event_source, *args, *kwargs) 1394 if event_source is None: 1395 event_source = fig.canvas.new_timer(interval=self._interval) -> 1396 super().init(fig, event_source=event_source, args, *kwargs) 1397 1398 def _step(self, args):
/usr/local/lib/python3.7/dist-packages/matplotlib/animation.py in init(self, fig, event_source, blit) 881 self._stop) 882 if self._blit: --> 883 self._setup_blit() 884 885 def del(self):
/usr/local/lib/python3.7/dist-packages/matplotlib/animation.py in _setup_blit(self) 1195 self._resize_id = self._fig.canvas.mpl_connect('resize_event', 1196 self._on_resize) -> 1197 self._post_draw(None, self._blit) 1198 1199 def _on_resize(self, event):
/usr/local/lib/python3.7/dist-packages/matplotlib/animation.py in _post_draw(self, framedata, blit) 1148 self._blit_draw(self._drawn_artists) 1149 else: -> 1150 self._fig.canvas.draw_idle() 1151 1152 # The rest of the code in this class is to facilitate easy blitting
/usr/local/lib/python3.7/dist-packages/matplotlib/backend_bases.py in draw_idle(self, *args, *kwargs) 2058 if not self._is_idle_drawing: 2059 with self._idle_draw_cntx(): -> 2060 self.draw(args, **kwargs) 2061 2062 @property
/usr/local/lib/python3.7/dist-packages/matplotlib/backends/backend_agg.py in draw(self) 434 (self.toolbar._wait_cursor_for_draw_cm() if self.toolbar 435 else nullcontext()): --> 436 self.figure.draw(self.renderer) 437 # A GUI class may be need to update a window using this draw, so 438 # don't forget to call the superclass.
/usr/local/lib/python3.7/dist-packages/matplotlib/artist.py in draw_wrapper(artist, renderer, *args, kwargs) 71 @wraps(draw) 72 def draw_wrapper(artist, renderer, *args, *kwargs): ---> 73 result = draw(artist, renderer, args, kwargs) 74 if renderer._rasterizing: 75 renderer.stop_rasterizing()
/usr/local/lib/python3.7/dist-packages/matplotlib/artist.py in draw_wrapper(artist, renderer) 48 renderer.start_filter() 49 ---> 50 return draw(artist, renderer) 51 finally: 52 if artist.get_agg_filter() is not None:
/usr/local/lib/python3.7/dist-packages/matplotlib/figure.py in draw(self, renderer) 2845 self.stale = False 2846 -> 2847 self.canvas.draw_event(renderer) 2848 2849 def draw_without_rendering(self):
/usr/local/lib/python3.7/dist-packages/matplotlib/backend_bases.py in draw_event(self, renderer) 1777 s = 'draw_event' 1778 event = DrawEvent(s, self, renderer) -> 1779 self.callbacks.process(s, event) 1780 1781 def resize_event(self):
/usr/local/lib/python3.7/dist-packages/matplotlib/cbook/init.py in process(self, s, *args, **kwargs) 290 except Exception as exc: 291 if self.exception_handler is not None: --> 292 self.exception_handler(exc) 293 else: 294 raise
/usr/local/lib/python3.7/dist-packages/matplotlib/cbook/init.py in _exception_printer(exc) 94 def _exception_printer(exc): 95 if _get_running_interactive_framework() in ["headless", None]: ---> 96 raise exc 97 else: 98 traceback.print_exc()
/usr/local/lib/python3.7/dist-packages/matplotlib/cbook/init.py in process(self, s, *args, *kwargs) 285 if func is not None: 286 try: --> 287 func(args, **kwargs) 288 # this does not capture KeyboardInterrupt, SystemExit, 289 # and GeneratorExit
/usr/local/lib/python3.7/dist-packages/matplotlib/animation.py in _start(self, *args) 905 906 # Now do any initial draw --> 907 self._init_draw() 908 909 # Add our callback for stepping the animation and
/usr/local/lib/python3.7/dist-packages/matplotlib/animation.py in _init_draw(self) 1696 self._draw_frame(frame_data) 1697 else: -> 1698 self._drawn_artists = self._init_func() 1699 if self._blit: 1700 if self._drawn_artists is None:
/usr/local/lib/python3.7/dist-packages/swarmlib/util/base_visualizer.py in _init(self) 92 Init function for animations. Only used for FuncAnimation 93 """ ---> 94 self.particles.set_offsets([[]]) 95 self._marker_colors = np.full(len(self._positions[0][0]), self._marker_color) # Create array of correct size 96 self.particle_vel.X = []
/usr/local/lib/python3.7/dist-packages/matplotlib/collections.py in set_offsets(self, offsets) 562 offsets = offsets[None, :] 563 self._offsets = np.column_stack( --> 564 (np.asarray(self.convert_xunits(offsets[:, 0]), 'float'), 565 np.asarray(self.convert_yunits(offsets[:, 1]), 'float'))) 566 self.stale = True
IndexError: index 0 is out of bounds for axis 1 with size 0
| Python Version | swarmlib Version | OS | | 3.8.13 | 0.14.1 | Windows 10 |
Description
Try to run the Firefly Algorithm and the test code
problem = FireflyProblem(function=FUNCTIONS['michalewicz'], firefly_number=20) best_firefly = problem.solve() problem.replay()
problem.replay() doesn't work:
IndexError Traceback (most recent call last) --> problem.replay()
---> 25 self._visualizer.replay()
File ...\Miniconda3\envs\optimization\lib\site-packages\swarmlib\util\base_visualizer.py:85, in BaseVisualizer.replay(self, *kwargs) 82 frames = int(self.__intervalsself.interval_ms/self.__frame_interval) 84 # iterationnumber+1 for initialization frame ---> 85 = animation.FuncAnimation(self._fig, self._animate, frames=frames, interval=self.frame_interval, 86 blit=True, init_func=self._init, repeat=self.__continuous, fargs=[frames]) 88 plt.show()
File. ..\Miniconda3\envs\optimization\lib\site-packages\matplotlib\animation.py:1634, in FuncAnimation.init(self, fig, func, frames, init_func, fargs, save_count, cache_frame_data, kwargs) 1631 # Needs to be initialized so the draw functions work without checking 1632 self._save_seq = [] -> 1634 super().init(fig, kwargs) ... --> 564 (np.asarray(self.convert_xunits(offsets[:, 0]), 'float'), 565 np.asarray(self.convert_yunits(offsets[:, 1]), 'float'))) 566 self.stale = True
IndexError: index 0 is out of bounds for axis 1 with size 0