[GRASS-user] Re: link to datasets from other locations?

Nikos Alexandris nikos.alexandris at felis.uni-freiburg.de
Sun Jul 5 07:47:29 EDT 2009

Tim Michelsen wrote:
> So what remains as open question:
> How do I get my data from the testing location into the location my main 
> project location? By file system based copying?

I think better by using v.proj/r.proj.

> Then, I hope that the GRASS 7 vector format will not store the attribute 
> table in a direcory separate from the geographica information.
> > So will removing a mapset also automatically remove all datasets that 
> > belong to it? Why does the g.mapset command 
> (http://grass.itc.it/gdp/html_grass64/g.mapset.html) not contain a 
> remove option?

Just erase the whole directory as you do with any other directory in
your filesystem.

> >>> Imagine a shared location with common data such as world borders or 
> >>> GSHHS.
> >>> It would not be space efficient to import such large data into every 
> >>> new project. Rather sharing the common location when needed.
> >> I find that your question/thought makes sense. I faced myself this in
> >> the past.
> My scenario doesn't really be that unusual:
> see: http://thread.gmane.org/gmane.comp.gis.grass.user/30422

I just want to repeat something you probably know: remember that you
always need an "untouched / original" dataset somewhere (that's why
there is a PERMANENT mapset in each location). Most likely it is that
processing tasks will change the dataset in some way.

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