[jira] [Created] (SEDONA-235) Create ST_S2_CellId in Sedona

["Jia Yu (Jira)" <ji...@apache.org>]

Jia Yu created SEDONA-235:
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             Summary: Create ST_S2_CellId in Sedona
                 Key: SEDONA-235
                 URL: https://issues.apache.org/jira/browse/SEDONA-235
             Project: Apache Sedona
          Issue Type: New Feature
            Reporter: Jia Yu
            Assignee: Zongsi Zhang


This feature will be mainly used for performing spatial join.

 

Given a specific resolution, ST_S2_CellId on each geometry will yield different results
 # Point / MultiPoint: generate a cell id for each point
 # Polygon / MultiPolygon: generate an array of ids. These cells should fully cover the exact shapes of these polygons - Or, at least the MBRs of these polygons.
 # LineString / MultiLineString: generate an array of ids. These cells should fully cover the exact shapes of these LineStrings - Or, at least the MBRs of these LineStrings.
 # GeometryCollection: for each geometry inside, choose the corresponding solution above.

 

XYZM handling: only deal with XY, ignoring Z and M

Null safety: produce a null given a null geometry input.

 

The PR should demonstrate how to run spatial join using S2 ids and produce accurate results.



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