Returns the georeference metadata of a raster object as six comma-separated affine parameters in the format A,B,C,D,E,F.
Syntax
text ST_Georeference(raster raster_obj);Parameters
| Parameter | Description |
|---|---|
raster_obj | The raster object. |
Return value
Returns a text value containing six comma-separated affine parameters. The parameters represent the affine transformation coefficients that define the mapping between pixel coordinates and geographic coordinates.
Examples
Retrieve the georeference metadata for a raster object:
SELECT ST_Georeference(raster_obj) FROM raster_table WHERE id = 1;Output:
2.500000000000000,0.000000000000000,38604686.750000000000000,0.000000000000000,-2.500000000000000,4573895.750000000000000该文章对您有帮助吗？