[GRASS-user] use of grass 6.4 and 7 on the same location/mapsets

[Laura Poggio]

Thank you very much for the information. As I am not using vectors very
often it should be rather safe.

Thanks

Laura

On 29 October 2012 11:34, Paulo van Breugel <p.vanbreugel at gmail.com> 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 <ndcahill at wisc.edu> 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 <laura.poggio at gmail.com>:
>> >> Dear list,
>> >> are any problems in having mapsets accessed from different version of
>> GRASS
>> >> (6.4.2. and 7)?
>> >>
>> >> Thank you
>> >>
>> >> Laura
>> >>
>> >>
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