Nicholas Knize created LUCENE-6997:
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Summary: Graduate GeoUtils and postings based GeoPointField from
sandbox...
Key: LUCENE-6997
URL: https://issues.apache.org/jira/browse/LUCENE-6997
Project: Lucene - Core
Issue Type: Improvement
Reporter: Nicholas Knize
{{GeoPointField}} is a lightweight dependency-free postings based geo field
currently in sandbox. It has evolved into a very fast lightweight geo option
that heavily leverages the optimized performance of the postings structure. It
was originally intended to graduate to core but this does not seem appropriate
given the variety of "built on postings" term encoding options (e.g., see
LUCENE-6930).
Additionally, the {{Geo*Utils}} classes are dependency free lightweight
relational approximation utilities used by both {{GeoPointField}} and the BKD
based {{LatLonField}} and can also be applied to benefit the lucene-spatial
module.
These classes have been evolving and baking for some time and are at a maturity
level qualifying for promotion from sandbox. This will allow support for
experimental encoding methods with (minimal) backwards compatibility -
something sandbox does not allow.
Since GeoPoint classes are dependency free, all GeoPointField and support and
utility classes currently in sandbox would be promoted to the spatial3d
package. (possibly a separate issue to rename spatial3d to spatialcore or
spatiallite?) Such that for basic lightweight Geo support one would only need a
handful of lucene jars. By simply adding the lucene-spatial module and its
dependency jars users can obtain more advanced geospatial support (heatmap
facets, full shape relations, etc).
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