[postgis-users] Create a Thematic grid map with postgresql

[Paul Ramsey]

Brent Wood wrote:

> I'm not sure exactly how you did this, but it would be nice to compare. (OGR
> support for GMT vectors would be nice :-) How did you extract the PostGIS data
> for use with GMT? I have a Perl script which sort of works, but if you have a
> PostGIS function to do this I'd love to see it!

Interesting idea, the GMT documentation sure is silent about input file 
formats. Foof. I could not find anything useful at all.