From: | itishree sukla <itishree(dot)sukla(at)gmail(dot)com> |
---|---|
To: | obartunov(at)gmail(dot)com |
Cc: | PostGIS Users Discussion <postgis-users(at)lists(dot)osgeo(dot)org>, Postgres General <pgsql-general(at)postgresql(dot)org> |
Subject: | Re: Need Help to implement Proximity search feature |
Date: | 2014-01-16 09:52:27 |
Message-ID: | CAL-g6VQvKVuXsiEdW=do=dG3AcW6E=bviLiLpve1Tr-VfGQ=Sw@mail.gmail.com |
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Lists: | pgsql-general |
Thanks for your reply, i am totally new to Postgis.
we have Database, but not ready for Geocode use. what i understood from
different blog, we should have latitude and longitude either based on
addresses, or postal code we have. However if I will get the lat and long,
need to calculate earth distance to give location based on user location.
Formula i got, is calculating shortest distance, which always not true
practically. Please address my concern, how i will get rid of these issues.
Regards,
Itishree
On Wed, Jan 15, 2014 at 11:28 PM, Oleg Bartunov <obartunov(at)gmail(dot)com> wrote:
> check knn search,
> http://www.sai.msu.su/~megera/postgres/talks/pgcon-2010-1.pdf
>
> On Wed, Jan 15, 2014 at 8:04 PM, itishree sukla
> <itishree(dot)sukla(at)gmail(dot)com> wrote:
> > Deal all,
> >
> > In my project, there is a requirement to implement proximity search
> feature.
> > We are running a mobile app, for which proximity search is require. Can
> any
> > one guide me how i can achieve this using postgis, or is there any other
> way
> > i can achieve this.
> >
> > We are using postgresql 9.2.
> >
> > Thanks in advance .
> >
> > Regards,
> > Itishree
>
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