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https://issues.apache.org/jira/browse/LUCENE-7942?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Karl Wright resolved LUCENE-7942.
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Resolution: Fixed
Fix Version/s: 7.1
master (8.0)
6.7
> For Geo3d paths, aggregating distance values using "+" is not adequate for
> squared distances
> --------------------------------------------------------------------------------------------
>
> Key: LUCENE-7942
> URL: https://issues.apache.org/jira/browse/LUCENE-7942
> Project: Lucene - Core
> Issue Type: Bug
> Components: modules/spatial3d
> Reporter: Karl Wright
> Assignee: Karl Wright
> Fix For: 6.7, master (8.0), 7.1
>
>
> The GeoStandardPath object aggregates distances segment by segment using
> simple addition. For some kinds of Distance computations, though, addition
> is not an adequate way to do this. The xxxSquaredDistance computations, for
> example, do not produce true squared distances but rather a distance metric
> that is a combination of both squared and linear.
> I propose adding support in Distance for aggregation, which would allow
> distance calculators to compute an accurate distance (at some computational
> cost) instead.
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