This function returns the spatial reference system identifier (SRID) of a raster object. The SRID and its definition are stored in the spatial_ref_sys table.

Syntax

integer ST_Srid(raster raster_obj);

Parameters

Parameter Description
raster_obj The raster object.

Examples

select ST_Srid(raster_obj) from raster_table where id=1;

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4326