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From "Dawid Weiss (JIRA)" <j...@apache.org>
Subject [jira] Commented: (LUCENE-2934) Alternative depth-based DOT layout ordering in FST's Utils
Date Mon, 21 Feb 2011 13:53:38 GMT

    [ https://issues.apache.org/jira/browse/LUCENE-2934?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12997410#comment-12997410
] 

Dawid Weiss commented on LUCENE-2934:
-------------------------------------

I know the principles of collective code ownership, but still -- that function was/is primarly
so that you can do the debugging of FST code, so I didn't want to interfere. As for the DOT:
layered representation may cause arcs to overlap and be virtually impossible to read, so both
reps. are useful, it just depends on the automaton. I'll correct it to Writer and commit in.

> Alternative depth-based DOT layout ordering in FST's Utils
> ----------------------------------------------------------
>
>                 Key: LUCENE-2934
>                 URL: https://issues.apache.org/jira/browse/LUCENE-2934
>             Project: Lucene - Java
>          Issue Type: Improvement
>          Components: Other
>            Reporter: Dawid Weiss
>            Assignee: Dawid Weiss
>            Priority: Trivial
>             Fix For: 4.0
>
>         Attachments: LUCENE-2934.patch, graph-after.png
>
>
> Utils.toDot() dumps GraphViz's DOT file, but it can be quite difficult to read. This
patch provides an alternative layout that is probably a little bit easier on the eyes (well,
as far as larger FSTs can be ;)

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