ST_CoveredBy
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Returns true if every point of the first object lies inside or on the boundary of the second object. Supports raster-raster and raster-geometry comparisons.
Syntax
bool ST_CoveredBy(raster rast1, raster rast2);
bool ST_CoveredBy(raster rast, geometry geom);
bool ST_CoveredBy(geometry geom, raster rast);Parameters
| Parameter | Description |
|---|---|
rast1 | The first raster object. |
rast2 | The second raster object. |
rast | A raster object. |
geom | A geometric object. |
Example
The following query returns the IDs of rows in tbl_a whose raster is fully covered by a raster in tbl_b.
SELECT a.id
FROM tbl_a a, tbl_b b
WHERE ST_CoveredBy(a.rast, b.rast);该文章对您有帮助吗？