Bug with data clipping for scatter plot when sizes are used

[astrofrog]

Traceback (most recent call last):
  File "/Users/tom/Dropbox/Code/Glue/glue/dist/glue-core-0.13.2/glue/external/echo/qt/connect.py", line 204, in update_prop
    setattr(instance, prop, val)
  File "/Users/tom/Dropbox/Code/Glue/glue/dist/glue-core-0.13.2/glue/external/echo/core.py", line 254, in __setattr__
    super(HasCallbackProperties, self).__setattr__(attribute, value)
  File "/Users/tom/Dropbox/Code/Glue/glue/dist/glue-core-0.13.2/glue/external/echo/core.py", line 79, in __set__
    self.notify(instance, old, new)
  File "/Users/tom/Dropbox/Code/Glue/glue/dist/glue-core-0.13.2/glue/external/echo/core.py", line 128, in notify
    cback(new)
  File "/Users/tom/Dropbox/Code/Glue/glue/dist/glue-core-0.13.2/glue/utils/matplotlib.py", line 162, in wrapper
    result = func(*args, **kwargs)
  File "/Users/tom/Dropbox/Code/Glue/glue-vispy-viewers/glue_vispy_viewers/common/vispy_data_viewer.py", line 83, in _toggle_clip
    layer_artist.set_clip(self.state.clip_limits)
  File "/Users/tom/Dropbox/Code/Glue/glue-vispy-viewers/glue_vispy_viewers/scatter/layer_artist.py", line 208, in set_clip
    self._update_data()
  File "/Users/tom/Dropbox/Code/Glue/glue-vispy-viewers/glue_vispy_viewers/scatter/layer_artist.py", line 193, in _update_data
    self._multiscat.set_data_values(self.id, x, y, z)
  File "/Users/tom/Dropbox/Code/Glue/glue-vispy-viewers/glue_vispy_viewers/scatter/multi_scatter.py", line 55, in set_data_values
    self._update()
  File "/Users/tom/Dropbox/Code/Glue/glue-vispy-viewers/glue_vispy_viewers/scatter/multi_scatter.py", line 149, in _update
    self.set_data(data, edge_color=colors, face_color=colors, size=sizes)
  File "/Users/tom/Dropbox/Code/Glue/glue-vispy-viewers/glue_vispy_viewers/extern/vispy/visuals/markers.py", line 568, in set_data
    data['a_size'] = size
ValueError: could not broadcast input array from shape (30924) into shape (17624)
Traceback (most recent call last):
  File "/Users/tom/Dropbox/Code/Glue/glue/dist/glue-core-0.13.2/glue/external/echo/core.py", line 254, in __setattr__
    super(HasCallbackProperties, self).__setattr__(attribute, value)
  File "/Users/tom/Dropbox/Code/Glue/glue/dist/glue-core-0.13.2/glue/external/echo/core.py", line 79, in __set__
    self.notify(instance, old, new)
  File "/Users/tom/Dropbox/Code/Glue/glue/dist/glue-core-0.13.2/glue/external/echo/core.py", line 128, in notify
    cback(new)
  File "/Users/tom/Dropbox/Code/Glue/glue/dist/glue-core-0.13.2/glue/utils/matplotlib.py", line 162, in wrapper
    result = func(*args, **kwargs)
  File "/Users/tom/Dropbox/Code/Glue/glue-vispy-viewers/glue_vispy_viewers/common/vispy_data_viewer.py", line 85, in _toggle_clip
    layer_artist.set_clip(None)
  File "/Users/tom/Dropbox/Code/Glue/glue-vispy-viewers/glue_vispy_viewers/scatter/layer_artist.py", line 208, in set_clip
    self._update_data()
  File "/Users/tom/Dropbox/Code/Glue/glue-vispy-viewers/glue_vispy_viewers/scatter/layer_artist.py", line 193, in _update_data
    self._multiscat.set_data_values(self.id, x, y, z)
  File "/Users/tom/Dropbox/Code/Glue/glue-vispy-viewers/glue_vispy_viewers/scatter/multi_scatter.py", line 55, in set_data_values
    self._update()
  File "/Users/tom/Dropbox/Code/Glue/glue-vispy-viewers/glue_vispy_viewers/scatter/multi_scatter.py", line 149, in _update
    self.set_data(data, edge_color=colors, face_color=colors, size=sizes)
  File "/Users/tom/Dropbox/Code/Glue/glue-vispy-viewers/glue_vispy_viewers/extern/vispy/visuals/markers.py", line 568, in set_data
    data['a_size'] = size
ValueError: could not broadcast input array from shape (30924) into shape (112393)
Traceback (most recent call last):
  File "/Users/tom/Dropbox/Code/Glue/glue/dist/glue-core-0.13.2/glue/external/echo/core.py", line 254, in __setattr__
    super(HasCallbackProperties, self).__setattr__(attribute, value)
  File "/Users/tom/Dropbox/Code/Glue/glue/dist/glue-core-0.13.2/glue/external/echo/core.py", line 79, in __set__
    self.notify(instance, old, new)
  File "/Users/tom/Dropbox/Code/Glue/glue/dist/glue-core-0.13.2/glue/external/echo/core.py", line 128, in notify
    cback(new)
  File "/Users/tom/Dropbox/Code/Glue/glue/dist/glue-core-0.13.2/glue/utils/matplotlib.py", line 162, in wrapper
    result = func(*args, **kwargs)
  File "/Users/tom/Dropbox/Code/Glue/glue-vispy-viewers/glue_vispy_viewers/common/vispy_data_viewer.py", line 83, in _toggle_clip
    layer_artist.set_clip(self.state.clip_limits)
  File "/Users/tom/Dropbox/Code/Glue/glue-vispy-viewers/glue_vispy_viewers/scatter/layer_artist.py", line 208, in set_clip
    self._update_data()
  File "/Users/tom/Dropbox/Code/Glue/glue-vispy-viewers/glue_vispy_viewers/scatter/layer_artist.py", line 193, in _update_data
    self._multiscat.set_data_values(self.id, x, y, z)
  File "/Users/tom/Dropbox/Code/Glue/glue-vispy-viewers/glue_vispy_viewers/scatter/multi_scatter.py", line 55, in set_data_values
    self._update()
  File "/Users/tom/Dropbox/Code/Glue/glue-vispy-viewers/glue_vispy_viewers/scatter/multi_scatter.py", line 149, in _update
    self.set_data(data, edge_color=colors, face_color=colors, size=sizes)
  File "/Users/tom/Dropbox/Code/Glue/glue-vispy-viewers/glue_vispy_viewers/extern/vispy/visuals/markers.py", line 568, in set_data
    data['a_size'] = size
ValueError: could not broadcast input array from shape (30924) into shape (17624)
Traceback (most recent call last):
  File "/Users/tom/Dropbox/Code/Glue/glue/dist/glue-core-0.13.2/glue/external/echo/core.py", line 254, in __setattr__
    super(HasCallbackProperties, self).__setattr__(attribute, value)
  File "/Users/tom/Dropbox/Code/Glue/glue/dist/glue-core-0.13.2/glue/external/echo/core.py", line 79, in __set__
    self.notify(instance, old, new)
  File "/Users/tom/Dropbox/Code/Glue/glue/dist/glue-core-0.13.2/glue/external/echo/core.py", line 128, in notify
    cback(new)
  File "/Users/tom/Dropbox/Code/Glue/glue/dist/glue-core-0.13.2/glue/utils/matplotlib.py", line 162, in wrapper
    result = func(*args, **kwargs)
  File "/Users/tom/Dropbox/Code/Glue/glue-vispy-viewers/glue_vispy_viewers/common/vispy_data_viewer.py", line 85, in _toggle_clip
    layer_artist.set_clip(None)
  File "/Users/tom/Dropbox/Code/Glue/glue-vispy-viewers/glue_vispy_viewers/scatter/layer_artist.py", line 208, in set_clip
    self._update_data()
  File "/Users/tom/Dropbox/Code/Glue/glue-vispy-viewers/glue_vispy_viewers/scatter/layer_artist.py", line 193, in _update_data
    self._multiscat.set_data_values(self.id, x, y, z)
  File "/Users/tom/Dropbox/Code/Glue/glue-vispy-viewers/glue_vispy_viewers/scatter/multi_scatter.py", line 55, in set_data_values
    self._update()
  File "/Users/tom/Dropbox/Code/Glue/glue-vispy-viewers/glue_vispy_viewers/scatter/multi_scatter.py", line 149, in _update
    self.set_data(data, edge_color=colors, face_color=colors, size=sizes)
  File "/Users/tom/Dropbox/Code/Glue/glue-vispy-viewers/glue_vispy_viewers/extern/vispy/visuals/markers.py", line 568, in set_data
    data['a_size'] = size
ValueError: could not broadcast input array from shape (30924) into shape (112393)
Traceback (most recent call last):
  File "/Users/tom/Dropbox/Code/Glue/glue/dist/glue-core-0.13.2/glue/external/echo/core.py", line 254, in __setattr__
    super(HasCallbackProperties, self).__setattr__(attribute, value)
  File "/Users/tom/Dropbox/Code/Glue/glue/dist/glue-core-0.13.2/glue/external/echo/core.py", line 79, in __set__
    self.notify(instance, old, new)
  File "/Users/tom/Dropbox/Code/Glue/glue/dist/glue-core-0.13.2/glue/external/echo/core.py", line 128, in notify
    cback(new)
  File "/Users/tom/Dropbox/Code/Glue/glue/dist/glue-core-0.13.2/glue/utils/matplotlib.py", line 162, in wrapper
    result = func(*args, **kwargs)
  File "/Users/tom/Dropbox/Code/Glue/glue-vispy-viewers/glue_vispy_viewers/common/vispy_data_viewer.py", line 83, in _toggle_clip
    layer_artist.set_clip(self.state.clip_limits)
  File "/Users/tom/Dropbox/Code/Glue/glue-vispy-viewers/glue_vispy_viewers/scatter/layer_artist.py", line 208, in set_clip
    self._update_data()
  File "/Users/tom/Dropbox/Code/Glue/glue-vispy-viewers/glue_vispy_viewers/scatter/layer_artist.py", line 193, in _update_data
    self._multiscat.set_data_values(self.id, x, y, z)
  File "/Users/tom/Dropbox/Code/Glue/glue-vispy-viewers/glue_vispy_viewers/scatter/multi_scatter.py", line 55, in set_data_values
    self._update()
  File "/Users/tom/Dropbox/Code/Glue/glue-vispy-viewers/glue_vispy_viewers/scatter/multi_scatter.py", line 149, in _update
    self.set_data(data, edge_color=colors, face_color=colors, size=sizes)
  File "/Users/tom/Dropbox/Code/Glue/glue-vispy-viewers/glue_vispy_viewers/extern/vispy/visuals/markers.py", line 568, in set_data
    data['a_size'] = size
ValueError: could not broadcast input array from shape (30924) into shape (17624)