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

[Paulo van Breugel]

On 13-10-15 15:37, Anna Petrášová wrote:
>
>
> On Tue, Oct 13, 2015 at 9:03 AM, Markus Neteler <neteler at osgeo.org 
> <mailto:neteler at osgeo.org>> wrote:
>
>     On Tue, Oct 13, 2015 at 1:07 PM, Moritz Lennert
>     <mlennert at club.worldonline.be
>     <mailto: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)?
>

I was asking myself the same some time ago. Perhaps this option does not 
need to be hidden, but it would be good to have a positive definition of 
what trimming means (also in the manual page of r.proj)? I would be 
inclined to think that if even Markus does not know what this means, 
many users won't know either ;-)

>
>     > 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
>     _______________________________________________
>     grass-dev mailing list
>     grass-dev at lists.osgeo.org <mailto:grass-dev at lists.osgeo.org>
>     http://lists.osgeo.org/mailman/listinfo/grass-dev
>
>
>
>
> _______________________________________________
> grass-dev mailing list
> grass-dev at lists.osgeo.org
> http://lists.osgeo.org/mailman/listinfo/grass-dev

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.osgeo.org/pipermail/grass-dev/attachments/20151013/c279cac8/attachment.html>