1.5 KiB
1.5 KiB
title, language
| title | language |
|---|---|
| `ST_Circle` | en |
ST_Circle
Description
Syntax
GEOMETRY ST_Circle(DOUBLE center_lng, DOUBLE center_lat, DOUBLE radius)
Convert a WKT (Well Known Text) into a circle on the earth's sphere. Where center_lng'denotes the longitude of the center of a circle, Center_lat denotes the latitude of the center of a circle, radius denotes the radius of a circle in meters.
example
mysql> SELECT ST_AsText(ST_Circle(111, 64, 10000));
+--------------------------------------------+
| st_astext(st_circle(111.0, 64.0, 10000.0)) |
+--------------------------------------------+
| CIRCLE ((111 64), 10000) |
+--------------------------------------------+
keyword
ST_CIRCLE,ST,CIRCLE