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ST_Circle

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) |
+--------------------------------------------+

keywords

ST_CIRCLE,ST,CIRCLE