#15948: DynkinDiagram with crossed nodes and labels
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Reporter: vittucek | Owner:
Type: enhancement | Status: needs_review
Priority: major | Milestone: sage-6.2
Component: combinatorics | Resolution:
Keywords: | Merged in:
Authors: Vít Tuček, Travis | Reviewers:
Scrimshaw | Work issues:
Report Upstream: N/A | Commit:
Branch: | 612db215e7e89687f2dc5af38ce0915af16cc49a
public/combinat/root_systems/marked_types-15948| Stopgaps:
Dependencies: |
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Comment (by tscrim):
Replying to [comment:19 vittucek]:
> Is this feature discoverable by a user? Shouldn't we add some examples
to `CartanType`'s docstring?
Yes via `marked_nodes`. However we should add something to the doc of
`CartanType` (I thought I did, but I guess not).
> You've missed the bugfix for docstring regarding our convention for
Dynkin diagrams (see commit 74c6d23eb28fd192b70e2219030d6ad60fcb9f0f).
I'm not convinced yet that it is incorrect, much less that your proposal
makes anything better. I will look at it more closely and think about it
today/tomorrow (unless Dan or Nicolas, you have an opinion on this?).
> Would it be possible to add one more layer for weighted Cartan types? I
mean my original motivation for this patch was to be able to produce
diagrams for representation of homogeneous vector bundles which I can't
really do now. :)
>
> I'd add this feature myself, but I am still struggling with
understanding the current code. Is there some documentation for
programmers or design documents that would help me?
IMO we should do this in a follow-up ticket as this one has a lot going on
to begin with. However it should be easy enough to do by adding a
class/file similar to `type_marked.py` and another method to the base
`CartanType_abstract` class.
--
Ticket URL: <http://trac.sagemath.org/ticket/15948#comment:20>
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