[GRASS-dev] Create new branch from trunk for temporal GIS integration

[Markus Metz]

On Mon, Aug 22, 2011 at 11:10 AM, Soeren Gebbert
<soerengebbert at googlemail.com> wrote:
> Dear all,
> i would like to create a new branch from trunk to integrate the
> suggested temporal extension[1].
>
> The integration of the time dimension into grass7 requires changes in
> the underlying libraries, several modules, additional files and config
> entries in mapsets and the $GISBASE/etc directory. Main goal is an
> integration approach without breaking any compatibility in the API or
> module usage.
>
I would try to avoid having yet another branch, three is maybe already
one too much. IMHO, the most important question is whether we want to
add the time dimension in GRASS. If this finds sufficient support, I
would rather opt to modify trunk directly because compatibility will
be maintained when adding the temporal extension and trunk can be used
as before. In this case, another branch may cause more trouble than
good.

+1 for adding time dimension

my2c

Markus M


> I do not want to work on a private or google code copy, but to enable
> other developers to follow or join the integration progress and to
> test the implementation.
>
> I think the effort to implement time in grass7 to a usable state will
> take more than 6 months. In case it is stable, usable and all
> developer agree, we can merge the changes back into the main trunk of
> grass7.
> I will always try to merge changes from trunk into the new branch to
> keep it be up to date.
>
> My questions are:
> * Do i have the agreement of the developer and the PSC to create a new
> branch for time integration?
> * What do i have to consider creating a new branch?
> ** Is something like this:
>
> svn copy https://svn.osgeo.org/grass/grass/trunk
> https://svn.osgeo.org/grass/grass/branches/temporal_grass7 -m "New
> branch for temporal GIS implementation"
>
> sufficient?
>
>
> Thanks and best regards
> Soeren
>
>
> [1] http://trac.osgeo.org/grass/wiki/Grass7/TemporalExtension
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