I have python 3.8.13, igraph 0.10.1, with matplotlib 3.6.0, and when
running the sample scripts from the install page on the website, I am
receiving an error. The scripts can be found here:
https://igraph.org/python/tutorial/latest/install.html
I am referring to the following
>>> import matplotlib.pyplot as plt
>>> import igraph as ig
>>> fig, ax = plt.subplots()
>>> g = ig.Graph.Famous("petersen")
>>> ig.plot(g, target=ax)
>>> plt.show()
I receive the following errors at the ig.plot(g, target=ax) line:
---------------------------------------------------------------------------
AttributeError Traceback (most recent call last)
Cell In [120], line 6
4 fig, ax = plt.subplots()
5 g = ig.Graph.Famous("petersen")
----> 6 ig.plot(g, target=ax)
8 plt.show()
File
~/anaconda3/envs/rapids-2208/lib/python3.8/site-packages/igraph/drawing/__init__.py:245,
in plot(obj, target, bbox, *args, **kwds)
243 return
244 else:
--> 245 plotter(
246 backend,
247 target,
248 palette=palette,
249 *args,
250 **kwds,
251 )
252 return target
254 # Cairo backend
File
~/anaconda3/envs/rapids-2208/lib/python3.8/site-packages/igraph/drawing/graph.py:558,
in __plot__(self, backend, context, *args, **kwds)
552 from igraph.drawing import DrawerDirectory
554 drawer = kwds.pop(
555 "drawer_factory",
556 DrawerDirectory.resolve(self, backend)(context),
557 )
--> 558 drawer.draw(self, *args, **kwds)
File
~/anaconda3/envs/rapids-2208/lib/python3.8/site-packages/igraph/drawing/matplotlib/graph.py:233,
in MatplotlibGraphDrawer.draw(self, graph, *args, **kwds)
231 drawer_method = vertex_drawer.draw
232 for vertex, visual_vertex, coords in vertex_coord_iter:
--> 233 drawer_method(visual_vertex, vertex, coords)
235 # Construct the iterator that we will use to draw the vertex labels
236 vs = graph.vs
File
~/anaconda3/envs/rapids-2208/lib/python3.8/site-packages/igraph/drawing/matplotlib/vertex.py:60,
in MatplotlibVertexDrawer.draw(self, visual_vertex, vertex, coords)
49 width = (
50 visual_vertex.width
51 if visual_vertex.width is not None
52 else visual_vertex.size
53 )
54 height = (
55 visual_vertex.height
56 if visual_vertex.height is not None
57 else visual_vertex.size
58 )
---> 60 stroke = visual_vertex.shape.draw_path(
61 ax,
62 coords[0],
63 coords[1],
64 width,
65 height,
66 facecolor=visual_vertex.color,
67 edgecolor=visual_vertex.frame_color,
68 linewidth=visual_vertex.frame_width,
69 zorder=visual_vertex.zorder,
70 )
71 ax.add_patch(stroke)
File
~/anaconda3/envs/rapids-2208/lib/python3.8/site-packages/igraph/drawing/shapes.py:168,
in CircleDrawer.draw_path(ctx, center_x, center_y, width, height, **kwargs)
166 return mpl.patches.Circle((center_x, center_y), width / 2,
**kwargs)
167 else:
--> 168 ctx.arc(center_x, center_y, width / 2, 0, 2 * pi)
AttributeError: 'AxesSubplot' object has no attribute 'arc'
---------------------------------------------
Not sure if its my python or package versions, or if its a configuration
issue, or possibly an issue with igraph or matplotlib. Any advice would be
most welcome
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