Hi, I am trying to generate plots for communities detected by another
algorithm (outside graph-tool). The communities are overlapping and I wanted
to display something like nodes with multiple colors (like we have for
SBMs). For this I set a new vertex property and assign nodal memberships to
it. I assign a matrix which contains one hot vectors for each node's
community membership. So the matrix has shape n x g where n is the number of
nodes and g is the number of communities. When I use graph_draw like:

graph_draw(g, vertex_shape="pie", vertex_pie_fractions=pv,
edge_gradient=None, output="lesmis-sbm-marginals.svg")

where pv is the property map, I get: python3:
../../../../src/cairo-arc.c:189: _cairo_arc_in_direction: Assertion
`angle_max >= angle_min' failed.

I want to show overlapping clusters with graph-tool, but the clustering
hasn't been performed by graph-tool.

Any ideas as to how to go about this?

Thanks!




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