Re: [sage-combinat-devel] Not able to use layout_graphviz
Hi Sébastien,
On Sat, Nov 27, 2010 at 11:33:49AM +0100, Nicolas M. Thiery wrote:
> > I am trying to use the graphviz functionalities you added in ticket
> > #7004. So, I installed graphviz and the dot2tex spkg as explained in
> > the documentation of layout_graphviz method, but I get the following
> > error when I use it :
> >
> > sage: g = Graph({2:[3,4]})
> > sage: g.layout_graphviz()
> > Traceback (most recent call last):
> > ...
> > UnboundLocalError: local variable 'positions' referenced before assignment
> >
> > Are you able to make this (or any) example to work? How should I use it?
>
> I just checked with sage-4.6 vanilla, and it works. So it must be a
> further patch in the queue that breaks it (and it's most likely my
> fault). I'll check that out now. Thanks for the report!
That was indeed a typo in graph_edge_options-nt.patch. I had
apparently not run the tests with -optional, which gives yet another
proof that untested code is broken code.
Fixed and pushed. Thanks again for the report!
Cheers,
Nicolas
--
Nicolas M. Thiéry "Isil"
http://Nicolas.Thiery.name/
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Re: [sage-combinat-devel] Not able to use layout_graphviz
Salut!
On Fri, Nov 26, 2010 at 03:01:20PM -0500, Sébastien Labbé wrote:
> Salut Nicolas et Vincent,
>
> I am trying to use the graphviz functionalities you added in ticket
> #7004. So, I installed graphviz and the dot2tex spkg as explained in
> the documentation of layout_graphviz method, but I get the following
> error when I use it :
>
> sage: g = Graph({2:[3,4]})
> sage: g.layout_graphviz()
> Traceback (most recent call last):
> ...
> UnboundLocalError: local variable 'positions' referenced before assignment
>
> Are you able to make this (or any) example to work? How should I use it?
I just checked with sage-4.6 vanilla, and it works. So it must be a
further patch in the queue that breaks it (and it's most likely my
fault). I'll check that out now. Thanks for the report!
Cheers,
Nicolas
--
Nicolas M. Thiéry "Isil"
http://Nicolas.Thiery.name/
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[sage-combinat-devel] Not able to use layout_graphviz
Salut Nicolas et Vincent,
I am trying to use the graphviz functionalities you added in ticket
#7004. So, I installed graphviz and the dot2tex spkg as explained in
the documentation of layout_graphviz method, but I get the following
error when I use it :
sage: g = Graph({2:[3,4]})
sage: g.layout_graphviz()
Traceback (most recent call last):
...
UnboundLocalError: local variable 'positions' referenced before assignment
Are you able to make this (or any) example to work? How should I use it?
Thank you,
Sébastien
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