[postgis-users] meters to degrees

michal nagy lachim1989 at gmail.com
Mon Mar 7 02:41:50 PST 2011

Well, it sitll does not solve my problem. As I said I am using
geometry(planar) with SRID 3044, where units are degrees, therefore when
using st_dwithin will still take input in degrees.

2011/3/7 Paragon Corporation <lr at pcorp.us>

>  Use ST_DWithin instead.
> http://www.postgis.org/documentation/manual-1.5SVN/ST_DWithin.html
> We cover this topic in detail in the first chapter of our book which is a
> free download.
> http://www.postgis.us/chapter_01
> Leo and Regina
>  ------------------------------
> *From:* postgis-users-bounces at postgis.refractions.net [mailto:
> postgis-users-bounces at postgis.refractions.net] *On Behalf Of *michal nagy
> *Sent:* Monday, March 07, 2011 2:29 AM
> *To:* postgis-users at postgis.refractions.net
> *Subject:* [postgis-users] meters to degrees
>   Hello everyone,
> I am new to Postgres and PostGIS. I have encountered one problem, that I
> can not deal with.I have table with various points that have SRID=3044,
> which should be UTM zone including Jutland. I have created function to
> loop through all points in table and check if they are within given
> radius(using geometry and function st_point_inside_circle). Now to the
> problem, for some reason st_point_inside_circle takes radius in degrees,
> which is very inconvenient for me. I would really need to  change to
> metres. If anyone has a suggestion, pls let me know.
> Thank you for help
> Michal
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