#18046: Graphs with multiedges and latex
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Reporter: jclaas | Owner:
Type: enhancement | Status: needs_info
Priority: major | Milestone: sage-6.6
Component: graph theory | Resolution:
Keywords: graph-theory, | Merged in:
multiedges, latex | Reviewers:
Authors: Jacob Laas | Work issues:
Report Upstream: N/A | Commit:
Branch: | b025f2ad103c5596edde303e6bcf983ecea4d0e2
u/jclaas/graphs_with_multiedges_and_latex| Stopgaps:
Dependencies: |
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Comment (by jclaas):
I've just pushed a commit containing updated code so that graphs with
multiedges can be tex-ified, but there's a particular case that still
causes issue: when a set of multiedges contain labels, their
customizations do not match up correctly.
My first guess was that this due to the nature of using a dict_of_dicts to
track all edge/vertex properties, which python then gets the order of
hashable items mixed up.
See below for a test case illustrating the issue:
{{{
mygraph = DiGraph(multiedges=True)
mygraph.add_edge('A','B','thinnest')
mygraph.add_edge('A','B','blah')
mygraph.add_edge('A','B','thickest')
mygraph.add_edge('A','C','blah')
mygraph.add_edge('B','C','blah')
mygraph.add_edge('C','B','blah')
mygraph.set_latex_options(
units='in',
graphic_size=(6,6),
edge_thickness=0.01,
edge_labels=True,
edge_thicknesses={('A','B'):[0.01,0.025,0.05]},
)
print latex(mygraph)
view(latex(mygraph))
}}}
I've specified a list of thicknesses for the multiedges 'A' -> 'B'. Their
labels were defined in a particular order, and the thicknesses are meant
to match this order, but they don't.. any ideas?
--
Ticket URL: <http://trac.sagemath.org/ticket/18046#comment:4>
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