Queries the pixel width of a raster object on the X scale in the spatial reference system.

Prerequisites

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

Syntax

float8 ST_ScaleX(raster raster_obj)

Parameters

Parameter Description
raster_obj The name of the raster object.

Examples

select st_scalex(rast), st_scaley(rast)
from raster_table;

 st_scalex | st_scaley 
-----------+-----------
       1.3 |       0.3