[GRASS-dev] Major changes in the temporal framework

Luca Delucchi lucadeluge at gmail.com
Mon Dec 30 01:24:06 PST 2013


On 28 December 2013 03:33, Sören Gebbert <soerengebbert at googlemail.com> wrote:
> Hi Luca,

Hi Soeren

> i will try to support your suggestion. I will introduce two GRASS
> variables to be set via g.gisenv.
>
> Use:
>
> g.gisenv set="TGIS_DISABLE_MAPSET_CHECK=True"
> g.gisenv set="TGIS_DISABLE_TIMESTAMP_WRITE=True"
>
> to disable the mapset check and the writing of the timestamps of each
> map to the map metadata
> in the spatial database as text files. You can set these variables
> mapset specific.
> Settings these variables "True" should (hopefully, because untested)
> allow the registration of maps outside the current mapset, even if you
> do not have the permission to modify the maps.
>
> A warning will be printed if these variables are set True.
>

this seams really cool, I'll test it when it will be on svn

> BUT, be aware that this feature can lead to the corruption of the
> temporal database and
> unwanted side effects. You can mess up the temporal database if you
> are not 100% sure what you are doing.

can you specify a little bit more what can be the problems?

> It is no longer possible to access the timestamp information of these
> maps using the C-libraries, because
> the timestamp information is not available in the map metadata text files.
>

sure ;-)

>
> Best regards
> Soeren
>

Thanks a lot

-- 
ciao
Luca

http://gis.cri.fmach.it/delucchi/
www.lucadelu.org


More information about the grass-dev mailing list