[Qgis-developer] GRASS and sextante

Etienne Tourigny etourigny.dev at gmail.com
Mon Jun 4 08:36:20 PDT 2012

labels could be added as GTIFF metadata, which GDAL supports but I
don't know how/if this could be done in GRASS

If the export is using r.out.gdal there must be a way to put/get
metadata in a gtiff?

from r.out.gdal:

Metadata key(s) and value(s) to include
In the form of "META-TAG=VALUE", separate multiple entries with a
comma. Not supported by all output format drivers.

On Mon, Jun 4, 2012 at 11:45 AM, Paolo Cavallini <cavallini at faunalia.it> wrote:
> Hi all.
> Now working on sextante interface to grass. One problem I'm finding is:
> - GRASS raster can have labels (very convenient, e.g. r.param.scale saves feature
> names along with categories)
> - when saving to TIFF, these are stripped
> - as a consequence, the flow DTM>Features raster>Feature vector strips the
> categories, and data are lost.
> Any way of keeping them? Of course we can Use raster values as categories, but
> keeping the labels would be much better. One way would be to pipe directly the two
> GRASS commands, without exporting in between, but this is not implemented yet.
> All the best.
> --
> Paolo Cavallini - Faunalia
> www.faunalia.eu
> Full contact details at www.faunalia.eu/pc
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