[GRASS-user] import a folder full of shapefiles and reproject on-the-fly?

[Maciej Sieczka]

Moritz Lennert pisze:
> On 23/07/08 22:36, Maciej Sieczka wrote:

>> Use ogr2ogr to reproject Shapefiles outside GRASS (it accepts 
>> directory of shapefiles as input as well as single shapefiles) and
>>  then import them all with v.in.ogr. You can automate v.in.ogr in 
>> Shell using "for in do" syntax (plenty of examples in the archive 
>> or Google it).

> I don't think you actually need a for-loop. From the v.in.ogr man 
> page:
> 
> layer=string[,string,...] OGR layer name. If not given, all available
>  layers are imported
> 
> So, normally, if you don't give a layer all the shapefiles in the 
> directory (dsn=) will be imported.

Note this loads the Shapefiles as *layers* (in the GRASS meaning of it)
of a single output vector map. Not necessarily what one might want.

> You will, however, need a loop for the v.proj step...

ogr2ogr is more convenient than going through a temporary location
creation, Shapefile import and reprojection with v.proj, IMHO. Much less
work.

Maciek

-- 
Maciej Sieczka
www.sieczka.org