... planning a simple coordinate system, where objects are described
> as x, y and z. Are there any contribs or extensions available that can
> help me with datatypes, calculation of length between two points, etc?
google postgis. It is for geographic stuff, so maybe overkill, but
maybe not. There are are also geometry types native to Postgres that
you can find in the docs
>
> --
> regards,
> Robin
>
> ---------------------------(end of broadcast)---------------------------
> TIP 6: explain analyze is your friend
>