Thanks a lot for your help, Tiego!
On Mon, Aug 8, 2016 at 3:46 AM, Tiago de Paula Peixoto <[email protected]>
wrote:
> On 07.08.2016 07:08, Enigma Fish wrote:
> > Dear graph-tool owner and subscribers,
> >
> > I would like to draw the largest component of a directed graph g, where
> the vertex size = the out degree.
> > Here's my code:
> > g = load_graph(inFile)
> > g=GraphView(g,vfilt=label_largest_component(g, directed=False))
> > g.purge_vertices()
> > deg =g.degree_property_map("out")
> > deg.a = (sqrt(deg.a) * 0.5 + 0.4)+1
> > graph_draw(g, vertex_size=deg,output="test1.pdf")
> >
> > But I keep getting the following error whenever I try to draw it:
> > Traceback (most recent call last):
> > File "/Users/enigmaFish/PycharmProjects/project/paint.py", line 49,
> in <module>
> > graph_draw(g, vertex_size=deg,output="test1.pdf")
> > File "/opt/local/Library/Frameworks/Python.framework/
> Versions/2.7/lib/python2.7/site-packages/graph_tool/draw/cairo_draw.py",
> line 1138, in graph_draw
> > pad, cr)
> > File "/opt/local/Library/Frameworks/Python.framework/
> Versions/2.7/lib/python2.7/site-packages/graph_tool/draw/cairo_draw.py",
> line 1312, in fit_to_view
> > font_size, cr)
> > File "/opt/local/Library/Frameworks/Python.framework/
> Versions/2.7/lib/python2.7/site-packages/graph_tool/draw/cairo_draw.py",
> line 1285, in get_bb
> > x_delta = [x_range[0] - (pos_x.fa - delta).min(),
> > ValueError: operands could not be broadcast together with shapes
> (47579,) (10438,)
> >
> > Note that g is <Graph object, directed, with 47579 vertices and 38781
> edges at 0x1292a15d0>
> > Upon filtering, it becomes <GraphView object, directed, with 10438
> vertices and 12388 edges, edges filtered by (<PropertyMap object with key
> type 'Edge' and value type 'bool', for Graph 0x1292bcd10, at 0x1292cf5d0>,
> False), vertices filtered by (<PropertyMap object with key type 'Vertex'
> and value type 'bool', for Graph 0x1292bcd10, at 0x1292cf110>, False) at
> 0x1292bcd10>
>
>
> This is a bug. I will fix it soon.
>
> In the meantime, a simple workaround is to replace
>
> g.purge_vertices()
>
> with
>
> g = Graph(g, prune=True)
>
> Best,
> Tiago
>
> --
> Tiago de Paula Peixoto <[email protected]>
>
>
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