6.4. scircle functions
Prev | Up | Chapter 6. Functions | Home | Next

## 6.4. scircle functions #

You can get the radius of a spherical circle in radians using the `radius` function. The center of the circle is available with the operator `@@` (Section 5.7).

Example 6.9. Radius of a spherical circle in degrees

    sql> SELECT 180.0 * radius( scircle '<(0d,90d),60d>' ) / pi() AS radius;
     radius
    --------
         60
    (1 row)

Prev | Up | Next
6.3. `strans` functions | Home | 6.5. `sellipse` functions