On Fri, Jan 21, 2005 at 06:43:01PM +0100, Klaus wrote:
> There is a nice polygon() functions which can estimate circles by
> polygons. Another one converts a point and radius to a circle
> (circle(point, r)). But with which function may i generate a point from
> two discrete coordinates? I imaginge something like that:
>
> =polygon( circle( point( oldx, oldy ), radius )
>
> But where is the desired point() function?
\df point
List of functions
Result data type | Schema | Name | Argument data types
------------------+------------+-------+------------------------------------
...
point | pg_catalog | point | double precision, double precision
...
SELECT point(10, 20);
point
---------
(10,20)
(1 row)
How are you trying to use point(), what are you expecting to happen,
and what actually does happen?
--
Michael Fuhr
http://www.fuhr.org/~mfuhr/