Hi Rainer,
2013/5/22 Rainer M. Krug <[email protected]> > Hi > > I am doing spatio-temporal simulations with R and GRASS and IO am > thinking about using a temporal GIS database to store the resulting > raster layers in. > > But I have a few questions about the temporal GIS database: > > 1) If I register a raster map in a temporal GIS database via r.register, > can I delete the original raster map and the info is stored in the > temporal GIS database? > Yes, the info is still stored in the temporal database, unless you call t.support with -m option. > > 2) If 1) is possible, can I extract the raster layer again from the > temporal GIS database? > > No, that's not possible since only the spatio-temporal extent and some metadata is stored in the temporal database. The map data itself will not copied. > 3) Summarizing: Is the temporal GIS database a good archiving place for > the layers I create during the simulation? > If you think that GRASS is a good archiving place then yes. But be aware that a large temporal database with lots of maps with slow down the temporal database access. If you want to store >10.000 maps, then you should use postgresql as temporal database backend. Best regards Soeren > > Thanks, > > Rainer > > > -- > Rainer M. Krug > > _______________________________________________ > grass-user mailing list > [email protected] > http://lists.osgeo.org/mailman/listinfo/grass-user > >
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