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Posted to dev@sedona.apache.org by "Jia Yu (Jira)" <ji...@apache.org> on 2023/02/06 08:01:00 UTC

[jira] [Created] (SEDONA-237) Implement ST_Dimension

Jia Yu created SEDONA-237:
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             Summary: Implement ST_Dimension
                 Key: SEDONA-237
                 URL: https://issues.apache.org/jira/browse/SEDONA-237
             Project: Apache Sedona
          Issue Type: New Feature
            Reporter: Jia Yu


see PostGIS: [https://postgis.net/docs/ST_Dimension.html]

 

Return the topological dimension of this Geometry object, which must be less than or equal to the coordinate dimension. OGC SPEC s2.1.1.1 - returns 0 for {{{}POINT{}}}, 1 for {{{}LINESTRING{}}}, 2 for {{{}POLYGON{}}}, and the largest dimension of the components of a {{{}GEOMETRYCOLLECTION{}}}. If the dimension is unknown (e.g. for an empty {{{}GEOMETRYCOLLECTION{}}}) 0 is returned.



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