Ignacio Vera created LUCENE-8126:
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Summary: 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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