[GRASS-user] Start grass, create new mapset

[Micha Silver]

Hi Moritz:


On 9/22/21 4:20 PM, Moritz Lennert wrote:
>
> Le 22 septembre 2021 14:40:45 GMT+02:00, Rich Shepard 
> <rshepard at appl-ecosys.com> a écrit :
>> On Wed, 22 Sep 2021, Moritz Lennert wrote:
>>
> I also see that the description of the -c flag itself only speaks 
> about locations, not mapsets. This should also be changed. Something 
> in the direction of:
>
> "-c
> Creates new GRASS unprojected location in specified GISDBASE"
> [no idea why it says 'unprojected' must be long-term legacy]
>

I think the reason here stems from the un-desirable case of creating a 
location without specifying any projection details (neither EPSG code 
nor a georeferenced file) then you'll get a more or less unusable 
Location. You will have to start manually to setup the Location's 
projection. What's more, I think that using the -c option to create a 
location and mapset in one go does not work. You will always get a 
Location with only the PERMANENT mapset:


grass -text -c EPSG:32632 /home/micha/GIS/grass/UTM33/micha

micha at RMS:Downloads$ g.mapsets -p
Accessible mapsets:
PERMANENT


(No mapset "micha")


The best approach is to do it in two stages:

 1. Create the Location (using an EPSG code or georeferenced file) . You
    can add the -e option to exit immediately
 2. Then restart grass with -c again to create the mapset, with the full
    path.


> should become
>
> "-c
> Creates new GRASS location or mapset respectively in specified 
> GISDBASE or location"
> [if this is not too long]
>
> Moritz
>
>
>>
>> Regards,
>>
>> Rich
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-- 
Micha Silver
Ben Gurion Univ.
Sde Boker, Remote Sensing Lab
cell: +972-523-665918