do you mean this? http://pastie.org/private/ezf3dltycxmvaeiow92a
On 17 December 2012 15:30, Daniel Müllner <[email protected]>wrote: > Dear experts, > > when I build a GraphView, I cannot access the vertices of an edge. Here is > a minimal example: > > import graph_tool as gt > import graph_tool.topology as gtt > > G = gt.Graph(directed=False) > > G.add_vertex(4) > > for s,t in [(0,1), (2,3), (0,2)]: > G.add_edge(G.vertex(s), G.vertex(t)) > > match, is_maximal = gtt.max_cardinality_matching(**G) > > GV = gt.GraphView(G, efilt=match) > > for edge in GV.edges(): > source = GV.vertex_index(edge.source()) > print(source) > > I get the following error message: > > Traceback (most recent call last): > File "gt_test.py", line 16, in <module> > source = GV.vertex_index(edge.source()) > ... > ... > File "/usr/lib/python2.7/site-**packages/graph_tool/__init__.**py", > line 181, in _type_alias > raise ValueError("invalid property value type: " + type_name) > ValueError: invalid property value type: unsigned long > > Any idea what's wrong here, and more importantly: how to fix it? > > Best regards, > > Daniel > > -- > Daniel Müllner > Stanford University > Department of Mathematics > 450 Serra Mall, Building 380 > Stanford, CA 94305 > USA > e-mail: [email protected] > http://math.stanford.edu/~**muellner <http://math.stanford.edu/~muellner> > ______________________________**_________________ > graph-tool mailing list > [email protected] > http://lists.skewed.de/**mailman/listinfo/graph-tool<http://lists.skewed.de/mailman/listinfo/graph-tool> >
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