[GRASS-dev] Re: [GRASS-user] GRASS 7.0 svn location/map creation using console

Markus Neteler neteler at osgeo.org
Thu Jul 30 16:35:26 EDT 2009


On Thu, Jul 30, 2009 at 8:13 PM, Glynn Clements<glynn at gclements.plus.com> wrote:
>
> [CC to grass-dev]

(now really)

> Enrico Gallo wrote:
>
>> I can  use g.proj and g.mapset only inside GRASS environment,
>> but if  I have non correct location I cannot enter in GRASS 7.x from
>> console, using -text flag, of course
>
> Without the GUI, you currently have to create a new location manually,
> e.g.:
>
> olddbase=`g.gisenv get=GISDBASE`
> g.gisenv set=GISDBASE=/path/to/database
> g.proj -c location=newlocation ...
> g.gisenv set=GISDBASE=$olddbase
> g.mapset -c gisdbase=/path/to/database location=newlocation mapset=newmapset
> g.mapset gisdbase=/path/to/database location=newlocation mapset=newmapset
> g.region -d

See in Addons also "grass_create_location.sh" for this:
http://trac.osgeo.org/grass/browser/grass-addons/general/grass_create_location

(as so often, it should better a Python script, consider above a proof
of concept)

> Note that GRASS 7 includes a dummy location at $GISDBASE/demolocation;
> this can be used to get into GRASS, provided that you're the owner of
> the GRASS installation (probably root).
>
> For developers:
>
> 1. init.{sh,py} need an option to create a new database/location/mapset
> without using the GUI.
>
> 2. g.proj should have a database= option so that -c can create a new
> database along with the location.
>
> 3. g.mapset complains if the current database/location/mapset aren't
> valid; it should probably be changed to use G_no_gisinit() to handle
> this.
>


Markus


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