I´m reading the WKT chapters in the PostGis Manual and there i can find
constructors for basic geometries ( lines, polygons, and all stuff). I want
to make a circle, so, is there any function or constructors for usually used
geometry as circles, n-side-regular-polygons, etc..?
Thanks in advance,
You can achieve this with the buffer function acting on a POINT:
select astext(buffer(pointfromtext('POINT ( 5 5)', -1), 10, 8));
second buffer parameter (10) is the buffer distance, third (8) is the
number of segments to approximate the circle, per quadrant.
Nicolas
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