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https://issues.apache.org/jira/browse/LUCENE-9150?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17049866#comment-17049866
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ASF subversion and git services commented on LUCENE-9150:
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Commit ab6fb77c63df5a8d347c0d67335e8919df683f64 in lucene-solr's branch
refs/heads/branch_8x from Nicholas Knize
[ https://gitbox.apache.org/repos/asf?p=lucene-solr.git;h=ab6fb77 ]
LUCENE-9150: Restore support for dynamic PlanetModel in spatial3d
> Restore support for dynamic PlanetModel in Geo3D
> ------------------------------------------------
>
> Key: LUCENE-9150
> URL: https://issues.apache.org/jira/browse/LUCENE-9150
> Project: Lucene - Core
> Issue Type: Improvement
> Reporter: Nick Knize
> Priority: Major
> Time Spent: 2h
> Remaining Estimate: 0h
>
> LUCENE-7072 removed dynamic planet model support in Geo3D. This was logical
> at the time (given the state of Lucene and spatial projections and coordinate
> reference systems). Since then, however, there have been a lot of new
> developments within the OGC community around [Coordinate Reference
> Systems|https://docs.opengeospatial.org/as/18-005r4/18-005r4.html], [Dynamic
> Coordinate Reference
> Systems|http://docs.opengeospatial.org/DRAFTS/18-058.html], and [Updated ISO
> Standards|https://www.iso.org/obp/ui/#iso:std:iso:19111:ed-3:v1:en].
> It would be useful for Geo3D (and eventually LatLon*) to support different
> geographic datums to make lucene a viable option for indexing/searching in
> different spatial reference systems (e.g., more accurately computing query
> shape relations to BKD's internal nodes using datum consistent with the
> spatial projection). This would also provide an alternative to other
> limitations of the {{LatLon*/XY*}} implementation (e.g., pole/dateline
> crossing, quantization of small polygons).
> I'd like to propose keeping the current WGS84 static datum as the default for
> Geo3D but adding back the constructors to accept custom planet models.
> Perhaps this could be listed as an "expert" API feature?
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