#6238: possible failure in is_planar(set_embedding=True, set_pos=False)
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Reporter: ncalexan | Owner: rlm
Type: defect | Status: closed
Priority: major | Milestone: sage-duplicate/invalid/wontfix
Component: graph theory | Resolution: invalid
Keywords: | Reviewer:
Author: | Merged:
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Changes (by rlm):
* status: new => closed
* resolution: => invalid
* milestone: sage-4.1.1 => sage-duplicate/invalid/wontfix
Comment:
The problem is that you are never asking the graph to remember the
embedding, so when you show the graph, you are just looking at some random
embedding.
The way to do what you're trying to do is to ask the graph to remember the
planar positioning:
{{{
sage: G.is_planar(set_embedding=True, set_pos=True)
}}}
i.e. change a 'False' to a 'True'. :)
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/6238#comment:1>
Sage <http://sagemath.org/>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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