[Gvsig_english] gdal and grass driver

[Benjamin Ducke]

GRASS 6.4 will be released soon and I think gvSIG should build on that
for native GRASS format support.
This would also make support of GRASS vector maps straight-forward.
GvSIG already supports vector layers with more than one geometry type
for DXF/DWG. Surely, it should not be too much work to also support
GRASS vectors using the 6.4 vector libs? The only thing that would be
difficult is the fact that GRASS supports multiple attribute tables.
However, that's a feature that very few people use and for most
purposes, it should be OK to just link to the first attribute table.

While we are at it: how about linking not only to GDAL but also to OGR
for supporting a wider range of vector formats, at least for reading?
GvSIG is a bit limited in that respect at the moment.

Regards,

Ben

christian Brandt wrote:
> Dear list,
> 
> the question of relationship between gvsig and GRASS should be given 
> more attention within the new release,
> as gvsig and GRASS would complement one another very well. The <only> 
> problem has been pointed out for several times, as in the recent e-mail 
> by giohappy at gmail.com.
> Obviously, many OS-Gis users would like to use gvsig amongst others for 
> layouting GRASS raster results but this is restricted du to 
> incompatibility of the given formats.
> 
> So, it would be great if the new realease (or the raster pilote) offers 
> the possibility to work with GRASS rasters.
> 
> Regards
> 
> Chris
>  
> 
> 
>  > Date: Sat, 22 Nov 2008 17:27:02 +0100
>  > From: giohappy at gmail.com
>  > To: gvsig_internacional at runas.cap.gva.es
>  > Subject: [Gvsig_english] gdal and grass driver
>  >
>  > Dear list, I would like to understand a bit more the driver support
>  > available in Gvsig. I know that the Raster Pilot plugin allows to
>  > access many formats, but is it based on gdal bindings or it uses
>  > native methods to deal with them? Until the latest stable version the
>  > filebrowser window, opened to add layer,s shows GRASS Image between
>  > the available extensions (but I've never been able to see correctly
>  > the loaded layer... just a big black square). In the 2.0 preview that
>  > choice doesn't appear, but I could see the rasters inside cellhd
>  > listed as generic Raster Image extension... anyway I receive error
>  > when I try to open a cellhd file.
>  > So, in sinthesys, what relation is there between Gvsig "core", Raster
>  > Pilot plugin, GDAL and Grass format? And should be expected from the
>  > new 2.0 release?
>  >
>  > Thanks a lot,
>  > Giovanni
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-- 
Benjamin Ducke
Senior Applications Support and Development Officer

Oxford Archaeology Ltd
Janus House
Osney Mead
OX2 0ES
Oxford, U.K.

Tel: +44 (0)1865 263 800 (switchboard)
Tel: +44 (0)1865 980 758 (direct)
Fax :+44 (0)1865 793 496
benjamin.ducke at oxfordarch.co.uk




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