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https://issues.apache.org/jira/browse/LUCENE-7974?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16187564#comment-16187564
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ASF subversion and git services commented on LUCENE-7974:
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Commit cbcf7c094c7165335209103e9ca931d580c45935 in lucene-solr's branch
refs/heads/branch_7x from [~steve_rowe]
[ https://git-wip-us.apache.org/repos/asf?p=lucene-solr.git;h=cbcf7c0 ]
LUCENE-7974: Add N-dimensional FloatPoint K-nearest-neighbor implementation
> Add N-dimensional FloatPoint K-nearest-neighbor implementation
> --------------------------------------------------------------
>
> Key: LUCENE-7974
> URL: https://issues.apache.org/jira/browse/LUCENE-7974
> Project: Lucene - Core
> Issue Type: New Feature
> Components: modules/sandbox
> Reporter: Steve Rowe
> Assignee: Steve Rowe
> Priority: Minor
> Attachments: LUCENE-7974.patch
>
>
> From LUCENE-7069:
> {quote}
> KD trees (used by Lucene's new dimensional points) excel at finding "nearest
> neighbors" to a given query point ... I think we should add this to Lucene's
> sandbox
> [...]
> It could also be generalized to more than 2 dimensions, but for now I'm
> making the class package private in sandbox for just the geo2d (lat/lon) use
> case.
> {quote}
> This issue is to generalize {{LatLonPoint.nearest()}} to more than 2
> dimensions.
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