#16865: Dot2tex reverses Poset.show() upside down
-------------------------------------+-------------------------------------
Reporter: jmantysalo | Owner:
Type: defect | Status: needs_review
Priority: minor | Milestone: sage-6.7
Component: packages: | Resolution:
optional | Merged in:
Keywords: poset, dot2tex | Reviewers:
Authors: | Work issues:
Report Upstream: N/A | Commit:
Branch: u/nthiery/graphs | 502e62137a30c3bb8e2d03e84a23764f748f6a5e
/dot2tex-rankdir-16865 | Stopgaps:
Dependencies: |
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Description changed by nthiery:
Old description:
> `Poset([[1,2],[[1,2]]]).show()` says `2`, so one expect
>
> {{{
> Poset([[1,2],[[1,2]]]).show()
> }}}
>
> showing to "2" on top. And so it happens without dot2tex. However, it
> shows "1" at top if dot2tex is installed. This was changed from version
> 6.1 to 6.2.
New description:
`Poset([[1,2],[[1,2]]]).show()` says `2`, so one expect
{{{
Poset([[1,2],[[1,2]]]).show()
}}}
showing to "2" on top. And so it happens without dot2tex. However, it
shows "1" at top if dot2tex is installed. This was changed from version
6.1 to 6.2.
This ticket implements a `rankdir` option for `DiGraph.layout_acyclic` and
sets a default value of 'up' for all implementations, which fixes the
above inconsistency, while leaving the `down` feature available to whoever
would really care.
--
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Ticket URL: <http://trac.sagemath.org/ticket/16865#comment:16>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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