[GRASSLIST:6175] Re: PostGRASS in 5.7 tutorial ?

[Markus Neteler]

On Tue, Mar 15, 2005 at 10:50:02AM +0100, Radim Blazek wrote:
> Markus Neteler wrote:
> >Hi Jean-Denis,
> >
> >I have added this note on top of the old tutorial:
> >
> >NOTE: This tutorial is refering to GRASS 5.7. Meanwhile (2005), GRASS 6.0.0
> >has been published. An updated (but unfortunately still incomplete) version
> >of this tutorial is available here: GRASS Six Tutorial.
> >http://grass.gdf-hannover.de/twiki/bin/view/GRASS/GrassSixTutorial
> >
> >I still have to migrate parts of the old tutorial into the Wiki.
> >
> >Answering your question: The direct PostGIS connection is no
> >longer available. Once day, when OGR comes with a GRASS plugin
> >for vector data, this will probably change. 
> >
> >For now you can use v.in.ogr and v.out.ogr to directly exchange
> >data with PostGIS. But it's an exchange, no real link into the DB.
> 
> It is possible to make the 'link' to any OGR layer (i.e. also PostGIS) 
> with v.external, but attributes with PostGIS work only if FID exists.

right, but it's a read-only connection with v.external then.

Markus