ST_Circle

description

Syntax

GEOMETRY ST_Circle(DOUBLE center_lng, DOUBLE center_lat, DOUBLE radius)
  • Convert a WKT (WEll Known Text) to a circle on the sphere of the earth.

    center_lng indicates the longitude of the center of the circle.

    center_lat indicates the latitude of the center of the circle.

    radius indicates the radius of a circle, in meters. A maximum of 9999999 radius is supported.

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