[GRASS-user] g.proj / g.setproj - moving mapsets between locations

[Blumentrath, Stefan]

Hi

I am cleaning up a bit the data mess which accumulated on my computer over the years (different locations, mapsets and so on) (I wish I was more tidy ;-)).
I am a bit careful here because I do not want to damage precious data, so I would like to reassure that I am not doing something stupid:

In this context of reorganizing my data I would like to assign a new coordinate system to an existing Location in GRASS 7 (or 6) (without reprojection) because defined CRS is wrong / deprecated.

In GRASS 6 this could be done using g.setproj which is integrated into g.proj in GRASS 7 where I could do g.proj -c epsg=3045, right (I found GRASS 7 manual for g.proj not as informative for that purpose as the dialog in GRASS 6 g.setproj)?. Did I understand tha manual correctly that this would apply to all mapsets in the Location and all data is afterwards treated as if it was in the new CRS (no reprojection)?

As a cleaner alternative I thought I could move mapsets from one location (with wrong/derpecated CRS definition) to a location with another, proper CRS definition (in other words merge existing locations). Would that be save and is the mapset then interpreted as if was in the other CRS of the location I moved it to? And finally, if the latter is save, can do this also with the PERMANENT mapset (after deleting PERMANENT specific data (PROJ_INFO, PROJ_UNITS, DEFAULT_WIND)?
I was thinking of archiving mapsets by moving them to archive-locations. Would be really nice if that is no problem...

Thanks in advance for helping.

Cheers
Stefan
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