| Determines whether a point is inside the survey footprint |
| Returns regiontype POLYGON if inside (to be backward compatible with earlier releases) that contain the given point. Empty indicates that the point is entirely outside the survey footprint. |
| name | type | length | inout | pnum |
| @ra | float | 8 | input | 1 |
| @dec | float | 8 | input | 2 |
| @radius_arcmin | float | 8 | input | 3 |
| Type | varchar | 7 | output | 1 |