[GRASS-dev] what if: Anything series?

[Markus Neteler]

On Jan 14, 2008 10:57 AM, Ivan Shmakov <ivan at theory.asu.ru> wrote:
> >>>>> Markus Neteler <neteler at osgeo.org> writes:
>
> [...]
>
>  >> 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?
>
>         It seems that both `local' and `$(COMMAND)' are available in
>         either `dash' or BusyBox' `ash', e. g.:
>
> $ cat test.sh
> a=
> f () { local a="$1" ; echo "$a" ; }
> f "$(echo Hello, world\!)"
> echo "\"$a\" is expected to be an empty string"
> $ dash test.sh
> Hello, world!
> "" is expected to be an empty string
> $ ash test.sh
> Hello, world!
> "" is expected to be an empty string
> $
>
>         It's probably reasonable to require a Shell implementation with
>         either once you're depending on Shell functions being available.
>
>         I'm not sure that these constructs are mandated by any standard,
>         though.
>
>         The `test' (`[ ... ]') command should be generally available as
>         well.  IIRC, it's mandated by POSIX.
>
> [...]

I would leave this to others - I am not much expert of POSIX.


>  >> 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.
>
>         Are these collected anywhere on the Web (besides of [1, 2])?
>
> [1] http://grass.gdf-hannover.de/wiki/GRASS_7_ideas_collection
> [2] http://grass.gdf-hannover.de/wiki/Replacement_raster_format

AFAIK some material was collected in the Wiki from mailing
list discussions:
 http://lists.osgeo.org/pipermail/grass-dev/

More is scattered around in the list archive.
(use e.g.
http://www.nabble.com/forum/Search.jtp?query=raster+format&sort=date&local=y&forum=1200
to find more).

Markus