[postgis-users] errors while using st_dwithin
strk at keybit.net
Thu Dec 6 06:55:35 PST 2012
On Thu, Dec 06, 2012 at 08:17:23PM +0530, tasneem dewaswala wrote:
> i want to know whether two location's are within 100 meters range of each
> other or not.
> i tried using ST_DWITHIN, but its not giving me appropriate answers.
> my query is "
> 12.877464)',2163),100) as "result";
> the result that i get is "t" i.e true, which is logically not correct, the
> answer i should get is false, since two locations are far beyond 100 meters
Their distance is 70.802 units, whatever your units are:
with inp as (
select ST_GeomFromText('POINT(19.235308 72.977955)',2163) as a,
ST_GeomFromText('POINT(56.6647756667 12.877464)',2163) as b
select ST_Distance(a,b) from inp;
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