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    ApsaraDB RDS:ST_SkewX

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    ApsaraDB RDS:ST_SkewX

    Last Updated:Mar 28, 2026

    Queries the X-axis skew of a raster object in its spatial reference system.

    Prerequisites

    The raster object must have a valid spatial reference system identifier (SRID).

    Syntax

    float8 ST_SkewX(raster raster_obj)

    Parameters

    ParameterDescription
    raster_objThe name of the raster object.

    Examples

    SELECT st_skewx(rast), st_skewy(rast)
FROM raster_table;

    Output:

     st_skewx | st_skewy
----------+-----------
      0.3 |      0.2