On Mon, Oct 29, 2012 at 7:11 PM, Laura Poggio <[email protected]> wrote: > Thank you very much for the information. As I am not using vectors very > often it should be rather safe.
As Paulo wrote, v.build is all you need to convert between GRASS 6 and GRASS7 (any way). v.build does not modify the vector coordinates or geometry objects, therefore it is safe to use in both versions. Markus M > > Thanks > > Laura > > > On 29 October 2012 11:34, Paulo van Breugel <[email protected]> wrote: >> >> If you are in 6.4 and want to open a vector layer created in grass 7 (or >> the other way around), you can use v.build. >> >> Alternatively, you can also open the layer, and in the layer manager, >> right click the layer and select 'rebuild topology'. Rebuilding is very >> quick in my experience and hasn't give me any trouble, whether rebuilding >> from 6.4 to 7 or the other way around. >> >> Cheers, >> >> Paulo >> >> >> >> >> On Mon, Oct 29, 2012 at 12:24 PM, Nick Cahill <[email protected]> wrote: >>> >>> I found that once I'd converted my vectors to Grass 7, I couldn't go >>> back. I ended up going back to 6.4 and having to restore old vectors from a >>> backup. It was a pain. Is there an easy way to convert back? >>> >>> Thanks, >>> >>> Nick Cahill >>> >>> >>> On Oct 29, 2012, at 11:59 AM, Maris Nartiss wrote: >>> >>> > If they are not accessed at a same time, then only problem will be >>> > with vector data. GRASS 7 uses a bit different vector data storage >>> > format and thus vector data can be used (displayed) only after a >>> > v.build run. It's a bit annoying and I don't know if it can introduce >>> > any problems (I mean when going G7->G6 vectors), still I haven't >>> > observed any. >>> > >>> > In conclusion - for raster - doesn't matter; vectors - better stick to >>> > one version. >>> > >>> > Maris. >>> > >>> > 2012/10/28 Laura Poggio <[email protected]>: >>> >> Dear list, >>> >> are any problems in having mapsets accessed from different version of >>> >> GRASS >>> >> (6.4.2. and 7)? >>> >> >>> >> Thank you >>> >> >>> >> Laura >>> >> >>> >> >>> >> _______________________________________________ >>> >> grass-user mailing list >>> >> [email protected] >>> >> http://lists.osgeo.org/mailman/listinfo/grass-user >>> >> >>> > _______________________________________________ >>> > grass-user mailing list >>> > [email protected] >>> > http://lists.osgeo.org/mailman/listinfo/grass-user >>> >>> _______________________________________________ >>> grass-user mailing list >>> [email protected] >>> http://lists.osgeo.org/mailman/listinfo/grass-user >> >> >> >> _______________________________________________ >> grass-user mailing list >> [email protected] >> http://lists.osgeo.org/mailman/listinfo/grass-user >> > > > _______________________________________________ > grass-user mailing list > [email protected] > http://lists.osgeo.org/mailman/listinfo/grass-user > _______________________________________________ grass-user mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-user
