[GRASS-dev] what if: Anything series?

[Markus Neteler]

On Jan 13, 2008 5:18 PM, Ivan Shmakov <ivan at theory.asu.ru> wrote:
>  > Hi Ivan, thanks for you impressive suggestions!
>
>         Thank you for reading it.  I hope I'd have the time to
>         demonstrate these ideas in a working application.
>
>  > I have right now added a tiny contribution from Soeren Gebbert with a
>  > few bugfixes from me into GRASS Addons-SVN:
>
>  > r.rast4d + tg.* - raster time series SQL support
>
>         ... May I suggest s/directoy/directory/ on QuickStart.txt?

Fixed.

>         Take a look at the minor change for lib/insert_raster.sh as well
>         (attached.)

Looks much more polished. But it looks like bash to me, right?
So far we try to avoid bash-isms in GRASS for portability.
Or will it run with ash, too?

>  > This is a scripted approach to register time series of raster maps
>  > into a SQLite database.  Comes in handy when dealing with thousands
>  > of MODIS maps for example.
>
>         While I have nothing against implementing time series this
>         particular way, I doubt this approach will scale well to cover
>         the other areas I had mentioned.
>
>         In particular, I believe that the generic arrays storage
>         facility is needed in GRASS for a long time.  At the very least,
>         the ability to access arbitrary arrays in `r.mapcalc'
>         expressions sounds quite appealing to me.
>
>         Implementing this facility would effectively split the raster
>         data set implementation into the generic ``raster'' (or
>         ``array'') part and the specific ``geospatial'', ``color
>         mapping'', and ``who knows what'' ones.

I do agree that the raster part needs a radical renovation. Some
team members also have ideas here - hope it comes true for
GRASS 7.

Markus