[GRASS-dev] [GRASS GIS] #2757: r.import: ERROR: Input raster map is outside current region

[Anna Petrášová]

On Tue, Oct 13, 2015 at 9:03 AM, Markus Neteler <neteler at osgeo.org> wrote:

> On Tue, Oct 13, 2015 at 1:07 PM, Moritz Lennert
> <mlennert at club.worldonline.be> wrote:
> > The -n flag comes from r.proj and is explained as such in the r.proj man
> > page:
>
> Right.
>
> > "When reprojecting whole-world maps the user should disable map-trimming
> > with the -n flag. Trimming is not useful here because the module has the
> > whole map in memory anyway.
>
> ^^^ already here I am lost :-) Trimming is doing what (also compared to
> -l)?
>
> > Besides that, world "edges" are hard (or
> > impossible) to find in projections other than latitude-longitude so
> results
> > may be odd with trimming."
>
> All quite complicated and contradicting a bit the purpose of r.import.
> Can the usage of -n be made automated for r.import and not exposed to
> the user?
>

It can be there by default, but maybe it could be harmful in certain cases?

> (in case I suggest to hide -n for now for the 7.0.2 release, it can be
> introduced later if not avoidable).
>

It is sort of hidden in the Optional tab, I am not sure if we gain much by
hiding it completely.


>
> Markus
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