GIS

[Albert Leibbrandt]

Cyril Bazin wrote:
> Postgis is only an extension of Postgres which add new classes and new 
> operations specialised for GIS.
> All you should know, is how to build SQL requests for postgres...
>
> If you want to be familiarised with the GIS, you should try to make 
> your own little project.
> So you will be able to ask more precises questions.
>
> Cyril
>
> On 4/3/06, *Albert Leibbrandt* <albert at compuscan.co.za 
> <mailto:albert at compuscan.co.za>> wrote:
>
>     Hi
>
>     I need to get myself familiarised with GIS, specifically postgis for
>     postgres. Can anyone give some advice, or some docs that start at the
>     beginning. I've tried the postgis mailing list but it does not
>     seem as
>     if that list is very active.
>
>     Perhaps you guys know of gis packages for python?
>
>     Thanks
>     Albert
>
>     --
>     http://mail.python.org/mailman/listinfo/python-list
>     <http://mail.python.org/mailman/listinfo/python-list>
>
>
I need to create a sphere with a certain size. I have x and y 
coordinates which I then need to calculated the distances between.
I use postgresql, that is why I am looking at postgis.

If anybody knows of any documentation (except for what is on the postgis 
homepage) please let me know as I seam to have problems with the 
installation, postgres does not recognize the functions although the 
functions exist.

Thanks
Albert