Re: PostGIS

I use postgis to wipe my ASS ...
no good documentation ...

in what units is the result of distance(geometry,geometry)..
what is distance_sphere(geometry,geometry).. when u give same geometry as
both parameters it gives a non-zero value ....

On 10/19/06, James Cradock <jcradock(at)me3(dot)com> wrote:
>
> On Oct 19, 2006, at 11:08 AM, Bob Pawley wrote:
>
> Can anyone point me to an overview of PostGIS and how it is being used???
>
>
> Bob,
>
> PostGIS provides extensions to PostgreSQL's procedural language and
> geometric data types so that it can store geo-referenced data, and so that
> you can query this data using geo-spatial coordinates.
>
> Software like MapServer (web) and Qgis (desktop) use PostGIS to provide
> data in map applications.
>
> The Refractions site already noted is a good start. The MapServer site is
> another:
>
> http://mapserver.gis.umn.edu/gallery
>
> Jim
>
> -----
>
> James Cradock, jcradock(at)me3(dot)com
>
>

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Sandeep Kumar Jakkaraju
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