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From "Karl Wright (JIRA)" <>
Subject [jira] [Commented] (LUCENE-6607) Move geo3d to Lucene's sandbox module
Date Wed, 01 Jul 2015 12:49:04 GMT


Karl Wright commented on LUCENE-6607:

Ah, ok.  So I agree that spatial4j *for the moment* cannot be a core dependency, and may be
too heavyweight in any case.  (FWIW, earlier versions of spatial4j did not depend on JTS,
so that was the disconnect.)  That answers one of my questions.  I take it, then, that the
lucene spatial module is therefore also tarnished?  And that is the reason why GeoPointField
isn't going to live there?

I'd rather not have geo3d wind up in a library that everyone is afraid to use in any case,
so if everything above is correct, I'd vote strongly for moving geo3d to sandbox (for now)
and eventually to its own place.

> Move geo3d to Lucene's sandbox module
> -------------------------------------
>                 Key: LUCENE-6607
>                 URL:
>             Project: Lucene - Core
>          Issue Type: Improvement
>            Reporter: Michael McCandless
>            Assignee: Michael McCandless
>             Fix For: 5.3, Trunk
> Geo3d is a powerful low-level geo API, recording places on the earth's surface in the
index in three dimensions (as 3 separate numbers) and offering fast shape intersection/distance
testing at search time.
> [~daddywri] originally contributed this in LUCENE-6196, and we put it in spatial module,
but I think a more natural place for it, for now anyway, is Lucene's sandbox module: it's
very new, its APIs/abstractions are very much in flux (and the higher standards for abstractions
in the spatial module cause disagreements: LUCENE-6578), [~daddywri] and others could iterate
faster on changes in sandbox, etc.
> This would also un-block issues like LUCENE-6480, allowing GeoPointField and BKD trees
to also use geo3d.

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