Returns the maximum X-coordinate value of a raster object.
Syntax
float8 ST_XMax(raster raster_obj)
float8 ST_XMax(raster raster_obj, integer pyramid)Parameters
| Parameter | Description |
|---|---|
raster_obj | The name of the raster object. |
pyramid | The pyramid level. Values start at 0. |
Description
If the raster object has been georeferenced, ST_XMax returns the maximum X-coordinate value of the raster object. Otherwise, ST_XMax returns -1.
Examples
SELECT ST_XMax(rast)
FROM raster_table;Result:
st_xmax
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