Description
Bug report
Bug summary
Setting the edge color of markers on a 3D scatterplot apparently doesn't work.
Code for reproduction
import matplotlib.pyplot as plt
import numpy as np
from mpl_toolkits.mplot3d import Axes3D
fig = plt.figure()
ax = fig.add_subplot(111, projection='3d')
ax.scatter([0, 1], [0, 1], [0, 1], c='b', edgecolors='none')
plt.show()Actual outcome
ValueError Traceback (most recent call last)
~\.conda\envs\brian2genn\lib\site-packages\IPython\core\formatters.py in __call__(self, obj)
339 pass
340 else:
--> 341 return printer(obj)
342 # Finally look for special method names
343 method = get_real_method(obj, self.print_method)
~\.conda\envs\brian2genn\lib\site-packages\IPython\core\pylabtools.py in (fig)
252 jpg_formatter.for_type(Figure, lambda fig: print_figure(fig, 'jpg', **kwargs))
253 if 'svg' in formats:
--> 254 svg_formatter.for_type(Figure, lambda fig: print_figure(fig, 'svg', **kwargs))
255 if 'pdf' in formats:
256 pdf_formatter.for_type(Figure, lambda fig: print_figure(fig, 'pdf', **kwargs))
~\.conda\envs\brian2genn\lib\site-packages\IPython\core\pylabtools.py in print_figure(fig, fmt, bbox_inches, **kwargs)
130 FigureCanvasBase(fig)
131
--> 132 fig.canvas.print_figure(bytes_io, **kw)
133 data = bytes_io.getvalue()
134 if fmt == 'svg':
~\.conda\envs\brian2genn\lib\site-packages\matplotlib\backend_bases.py in print_figure(self, filename, dpi, facecolor, edgecolor, orientation, format, bbox_inches, **kwargs)
2063 orientation=orientation,
2064 dryrun=True,
-> 2065 **kwargs)
2066 renderer = self.figure._cachedRenderer
2067 bbox_artists = kwargs.pop("bbox_extra_artists", None)
~\.conda\envs\brian2genn\lib\site-packages\matplotlib\backends\backend_svg.py in print_svg(self, filename, *args, **kwargs)
1200 detach = True
1201
-> 1202 result = self._print_svg(filename, fh, **kwargs)
1203
1204 # Detach underlying stream from wrapper so that it remains open in
~\.conda\envs\brian2genn\lib\site-packages\matplotlib\backends\backend_svg.py in _print_svg(self, filename, fh, dpi, bbox_inches_restore, **kwargs)
1225 bbox_inches_restore=bbox_inches_restore)
1226
-> 1227 self.figure.draw(renderer)
1228 renderer.finalize()
1229
~\.conda\envs\brian2genn\lib\site-packages\matplotlib\artist.py in draw_wrapper(artist, renderer, *args, **kwargs)
36 renderer.start_filter()
37
---> 38 return draw(artist, renderer, *args, **kwargs)
39 finally:
40 if artist.get_agg_filter() is not None:
~\.conda\envs\brian2genn\lib\site-packages\matplotlib\figure.py in draw(self, renderer)
1707 self.patch.draw(renderer)
1708 mimage._draw_list_compositing_images(
-> 1709 renderer, self, artists, self.suppressComposite)
1710
1711 renderer.close_group('figure')
~\.conda\envs\brian2genn\lib\site-packages\matplotlib\image.py in _draw_list_compositing_images(renderer, parent, artists, suppress_composite)
133 if not_composite or not has_images:
134 for a in artists:
--> 135 a.draw(renderer)
136 else:
137 # Composite any adjacent images together
~\.conda\envs\brian2genn\lib\site-packages\matplotlib\artist.py in draw_wrapper(artist, renderer, *args, **kwargs)
36 renderer.start_filter()
37
---> 38 return draw(artist, renderer, *args, **kwargs)
39 finally:
40 if artist.get_agg_filter() is not None:
~\.conda\envs\brian2genn\lib\site-packages\mpl_toolkits\mplot3d\axes3d.py in draw(self, renderer)
290 sorted(self.collections,
291 key=lambda col: col.do_3d_projection(renderer),
--> 292 reverse=True)):
293 col.zorder = zorder_offset + i
294 for i, patch in enumerate(
~\.conda\envs\brian2genn\lib\site-packages\mpl_toolkits\mplot3d\axes3d.py in (col)
289 for i, col in enumerate(
290 sorted(self.collections,
--> 291 key=lambda col: col.do_3d_projection(renderer),
292 reverse=True)):
293 col.zorder = zorder_offset + i
~\.conda\envs\brian2genn\lib\site-packages\mpl_toolkits\mplot3d\art3d.py in do_3d_projection(self, renderer)
543 self.set_facecolors(fcs)
544
--> 545 ecs = (_zalpha(self._edgecolor3d, vzs) if self._depthshade else
546 self._edgecolor3d)
547 ecs = mcolors.to_rgba_array(ecs, self._alpha)
~\.conda\envs\brian2genn\lib\site-packages\mpl_toolkits\mplot3d\art3d.py in _zalpha(colors, zs)
845 norm = Normalize(min(zs), max(zs))
846 sats = 1 - norm(zs) * 0.7
--> 847 rgba = np.broadcast_to(mcolors.to_rgba_array(colors), (len(zs), 4))
848 return np.column_stack([rgba[:, :3], rgba[:, 3] * sats])
849
<__array_function__ internals> in broadcast_to(*args, **kwargs)
~\.conda\envs\brian2genn\lib\site-packages\numpy\lib\stride_tricks.py in broadcast_to(array, shape, subok)
180 [1, 2, 3]])
181 """
--> 182 return _broadcast_to(array, shape, subok=subok, readonly=True)
183
184
~\.conda\envs\brian2genn\lib\site-packages\numpy\lib\stride_tricks.py in _broadcast_to(array, shape, subok, readonly)
125 it = np.nditer(
126 (array,), flags=['multi_index', 'refs_ok', 'zerosize_ok'] + extras,
--> 127 op_flags=['readonly'], itershape=shape, order='C')
128 with it:
129 # never really has writebackifcopy semantics
ValueError: operands could not be broadcast together with remapped shapes [original->remapped]: (0,4) and requested shape (2,4)
Expected outcome
A 3D scatter plot where the markers don't have edge colors.
Matplotlib version
- Operating system: Windows 10
- Matplotlib version: 3.1.3
- Matplotlib backend (
print(matplotlib.get_backend())): module://ipykernel.pylab.backend_inline - Python version: 3.7.7
- Jupyter version (if applicable): core=4.6.3, notebook=6.0.3
- Other libraries:
I installed from pip, if I remember. There's a possibility it was from conda forge