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https://issues.apache.org/jira/browse/LUCENE-3795?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13221099#comment-13221099
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Ryan McKinley commented on LUCENE-3795:
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bq. What's the reason to have spatial4j outside of Lucene?
1. Making JTS a 1st class test object (also why SIS is not an option)
2. The spatial4j.jar is useful on its own -- it has a chance to build its own
community.
3. Lucene is not a great dev community for things that are not primarily lucene
focused.
I understand my primary concern (JTS) is a non issue for many people here --
The trade off to have compile/test dependencies on JTS isn't an option at ASF.
I like this option because it gives lucene a solid ASL solution to support most
things. *If* people want to add JTS to their runtime, they then get strong
polygon support.
The alternative packaging structure gets pretty crazy:
In ASF Lucene Reps:
* modules/spatial-base (no lucene dependencies)
* modules/spatial-strategies (uses base)
* solr/spatial...
Elsewhere
* spatial-base-jts (base with JTS)
* spatial-strategies-with-jts
* spatial-solr-with-jts
If I want to make sure the JtsSpatialContext passes all the *same* tests that
the SimpleSpatialContext passes, the structure gets even crazier because we
have to package the test projects too!
--------------
bq. We all agreed modules should be treated like lucene core
hymmm -- my understanding is that modules have *flexibility* to have
dependencies that are appropriate.
> Replace spatial contrib module with LSP's spatial-lucene module
> ---------------------------------------------------------------
>
> Key: LUCENE-3795
> URL: https://issues.apache.org/jira/browse/LUCENE-3795
> Project: Lucene - Java
> Issue Type: New Feature
> Components: modules/spatial
> Reporter: David Smiley
> Assignee: David Smiley
> Fix For: 4.0
>
>
> I propose that Lucene's spatial contrib module be replaced with the
> spatial-lucene module within Lucene Spatial Playground (LSP). LSP has been
> in development for approximately 1 year by David Smiley, Ryan McKinley, and
> Chris Male and we feel it is ready. LSP is here:
> http://code.google.com/p/lucene-spatial-playground/ and the spatial-lucene
> module is intuitively in svn/trunk/spatial-lucene/.
> I'll add more comments to prevent the issue description from being too long.
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