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https://issues.apache.org/jira/browse/LUCENE-8126?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16320448#comment-16320448
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ASF GitHub Bot commented on LUCENE-8126:
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GitHub user iverase opened a pull request:
https://github.com/apache/lucene-solr/pull/302
LUCENE-8126: Spatial prefix tree based on S2 geometry
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/iverase/lucene-solr master
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/lucene-solr/pull/302.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #302
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commit ed57d35c3896c61b8e7af31bce66650800225a34
Author: ivera <ivera@...>
Date: 2018-01-10T15:29:40Z
LUCENE-8126: first commit of S2 RPT
commit 9d00f003a0c980ca9eccaff8d4b2e9eebf1e77e2
Author: ivera <ivera@...>
Date: 2018-01-10T15:31:39Z
LUCENE-8126: first commit of S2 RPT
commit 6aa0199f07f7c8e23be8ff550fc3fd0aefc5554a
Author: ivera <ivera@...>
Date: 2018-01-10T15:33:36Z
LUCENE-8126: Performance test classes. They are included to show the
increae of performance using the new RPT.
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> Spatial prefix tree based on S2 geometry
> ----------------------------------------
>
> Key: LUCENE-8126
> URL: https://issues.apache.org/jira/browse/LUCENE-8126
> Project: Lucene - Core
> Issue Type: New Feature
> Components: modules/spatial-extras
> Reporter: Ignacio Vera
>
> Hi [~dsmiley],
> I have been working on a prefix tree based on goggle S2 geometry
> (https://s2geometry.io/) to be used mainly with Geo3d shapes with very
> promising results, in particular for complex shapes (e.g polygons). Using
> this pixelization scheme reduces the size of the index, improves the
> performance of the queries and reduces the loading time for non-point shapes.
> If you are ok with this contribution and before providing any code I would
> like to understand what is the correct/prefered approach:
> 1) Add new depency to the S2 library
> (https://mvnrepository.com/artifact/io.sgr/s2-geometry-library-java). It has
> Apache 2.0 license so it should be ok.
> 2) Create a utility class with all methods necessary to navigate the S2 tree
> and create shapes from S2 cells (basically port what we need from the library
> into Lucene).
> What do you think?
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