[postgis-users] generating ocean

[Brent Wood]

--- Christo Du Preez <christo at mecola.com> wrote:

> Hi All,
> 
> What is the best way to generate an ocean geometry if I have a country 
> boundary?  Or is this downloadable somewhere as free gis?


There are a few free global datasets, but you will probably find the coastlines
vary from yours.

You might try to select the difference between your coastline & a bounding box
encompassing the coastline area, the postgis difference funtion should do this.


Brent Wood