This function returns the minimum Y-coordinate value of the specified raster object.
Syntax
float8 ST_YMin(raster raster_obj)
float8 ST_YMin(raster raster_obj, integer pyramid)Parameters
| Parameter | Description |
|---|---|
| raster_obj | The name of the raster object. |
| pyramid | The pyramid level. The value starts from 0. |
Description
If the raster object has been georeferenced, this function returns the minimum Y-coordinate value of the raster object. Otherwise, this function returns 0.
Examples
select ST_YMin(rast)
from raster_table;
st_ymin
----------
30