Returns true if a raster object has geographic reference information, or false if it does not.
Syntax
boolean ST_IsGeoreferenced(raster raster_obj);Parameters
| Parameter | Description |
|---|---|
raster_obj | The raster object to check. |
Return value
Returns a Boolean value:
t: indicates true.f: indicates false.
Examples
Check whether a raster object in raster_table is georeferenced:
SELECT ST_IsGeoreferenced(raster_obj) FROM raster_table WHERE id = 1;Output:
t该文章对您有帮助吗?