[postgis-users] Data types in POSTGIS

[Mateusz Loskot]

Doli wrote:
> Hallo I have a scholl work, and I need to analyze a data types used 
> in postgis to work with GIS data, I mean data types for point, line, 
> polygon atc. I think that the "geotype" point is declared as a struct
>  with two int variables, which represents x and y coordinates. But
> I´m not sure. Shall I explore the source code, and search how are 
> "geotypes" declared? Do you have any advice for me?

I believe you should start with PostGIS manual first:

http://postgis.refractions.net/docs/ch04.html#RefObject

and with OGC Simple Feature Specification

http://www.opengeospatial.org/standards

to explore structure of geometries used in PostGIS.

Cheers
-- 
Mateusz Loskot
http://mateusz.loskot.net