I'm using Sage 5.11 on a Mac
I've been used to creating graphs and then saving them as PDF's for
inclusion in papers. Using code like this:
sage: g = graphs.PetersenGraph()
sage: pic = g.plot()
sage: pic.save('pete.pdf')
But now it just throws a bunch of errors:
---------------------------------------------------------------------------
AssertionError Traceback (most recent call last)
<ipython-input-56-d63f9d409a56> in <module>()
----> 1 pic.save('pete.pdf')
/Users/ers/share/sage-5.11/local/lib/python2.7/site-packages/sage/misc/decorators.pyc
in wrapper(*args, **kwds)
456 kwds[self.name + "options"] = suboptions
457
--> 458 return func(*args, **kwds)
459
460 #Add the options specified by @options to the signature
of the wrapped
/Users/ers/share/sage-5.11/local/lib/python2.7/site-packages/sage/plot/graphics.pyc
in save(self, filename, **kwds)
2753 figure.savefig(filename, dpi=dpi,
bbox_inches='tight',
2754 bbox_extra_artists=self._bbox_extra_artists,
-> 2755 transparent=transparent)
2756 else:
2757 figure.savefig(filename, dpi=dpi,
/Users/ers/share/sage-5.11/local/lib/python2.7/site-packages/matplotlib/figure.pyc
in savefig(self, *args, **kwargs)
1368 kwargs.setdefault('edgecolor',
rcParams['savefig.edgecolor'])
1369
-> 1370 self.canvas.print_figure(*args, **kwargs)
1371
1372 if transparent:
/Users/ers/share/sage-5.11/local/lib/python2.7/site-packages/matplotlib/backend_bases.pyc
in print_figure(self, filename, dpi, facecolor, edgecolor, orientation,
format, **kwargs)
2053 orientation=orientation,
2054 dryrun=True,
-> 2055 **kwargs)
2056 renderer = self.figure._cachedRenderer
2057 bbox_inches = self.figure.get_tightbbox(renderer)
/Users/ers/share/sage-5.11/local/lib/python2.7/site-packages/matplotlib/backend_bases.pyc
in print_pdf(self, *args, **kwargs)
1846 from backends.backend_pdf import FigureCanvasPdf # lazy
import
1847 pdf = self.switch_backends(FigureCanvasPdf)
-> 1848 return pdf.print_pdf(*args, **kwargs)
1849
1850 def print_pgf(self, *args, **kwargs):
/Users/ers/share/sage-5.11/local/lib/python2.7/site-packages/matplotlib/backends/backend_pdf.py
in print_pdf(self, filename, **kwargs)
2299 width, height,
image_dpi, RendererPdf(file, image_dpi),
2300
bbox_inches_restore=_bbox_inches_restore)
-> 2301 self.figure.draw(renderer)
2302 renderer.finalize()
2303 finally:
/Users/ers/share/sage-5.11/local/lib/python2.7/site-packages/matplotlib/artist.pyc
in draw_wrapper(artist, renderer, *args, **kwargs)
52 def draw_wrapper(artist, renderer, *args, **kwargs):
53 before(artist, renderer)
---> 54 draw(artist, renderer, *args, **kwargs)
55 after(artist, renderer)
56
/Users/ers/share/sage-5.11/local/lib/python2.7/site-packages/matplotlib/figure.pyc
in draw(self, renderer)
1004 dsu.sort(key=itemgetter(0))
1005 for zorder, a, func, args in dsu:
-> 1006 func(*args)
1007
1008 renderer.close_group('figure')
/Users/ers/share/sage-5.11/local/lib/python2.7/site-packages/matplotlib/artist.pyc
in draw_wrapper(artist, renderer, *args, **kwargs)
52 def draw_wrapper(artist, renderer, *args, **kwargs):
53 before(artist, renderer)
---> 54 draw(artist, renderer, *args, **kwargs)
55 after(artist, renderer)
56
/Users/ers/share/sage-5.11/local/lib/python2.7/site-packages/matplotlib/axes.pyc
in draw(self, renderer, inframe)
2084
2085 for zorder, a in dsu:
-> 2086 a.draw(renderer)
2087
2088 renderer.close_group('axes')
/Users/ers/share/sage-5.11/local/lib/python2.7/site-packages/matplotlib/artist.pyc
in draw_wrapper(artist, renderer, *args, **kwargs)
52 def draw_wrapper(artist, renderer, *args, **kwargs):
53 before(artist, renderer)
---> 54 draw(artist, renderer, *args, **kwargs)
55 after(artist, renderer)
56
/Users/ers/share/sage-5.11/local/lib/python2.7/site-packages/matplotlib/collections.pyc
in draw(self, renderer)
693 (np.sqrt(x) * self.figure.dpi / 72.0))
694 for x in self._sizes]
--> 695 return Collection.draw(self, renderer)
696
697 class PolyCollection(Collection):
/Users/ers/share/sage-5.11/local/lib/python2.7/site-packages/matplotlib/artist.pyc
in draw_wrapper(artist, renderer, *args, **kwargs)
52 def draw_wrapper(artist, renderer, *args, **kwargs):
53 before(artist, renderer)
---> 54 draw(artist, renderer, *args, **kwargs)
55 after(artist, renderer)
56
/Users/ers/share/sage-5.11/local/lib/python2.7/site-packages/matplotlib/collections.pyc
in draw(self, renderer)
257 offsets, transOffset, self.get_facecolor(),
self.get_edgecolor(),
258 self._linewidths, self._linestyles,
self._antialiaseds, self._urls,
--> 259 self._offset_position)
260
261 gc.restore()
/Users/ers/share/sage-5.11/local/lib/python2.7/site-packages/matplotlib/backends/backend_pdf.py
in draw_path_collection(self, gc, master_transform, paths,
all_transforms, offsets, offsetTrans, facecolors, edgecolors,
linewidths, linestyles, antialiaseds, urls, offset_position)
1546 output(1, 0, 0, 1, dx, dy, Op.concat_matrix,
path_id, Op.use_xobject)
1547 lastx, lasty = xo, yo
-> 1548 output(*self.gc.pop())
1549
1550 def draw_markers(self, gc, marker_path, marker_trans, path,
trans, rgbFace=None):
/Users/ers/share/sage-5.11/local/lib/python2.7/site-packages/matplotlib/backends/backend_pdf.py
in pop(self)
2091
2092 def pop(self):
-> 2093 assert self.parent is not None
2094 self.copy_properties(self.parent)
2095 self.parent = self.parent.parent
AssertionError:
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