[GRASS-user] srtm - r.fillnuls

Markus Neteler neteler at osgeo.org
Wed Dec 18 23:19:24 PST 2013


On Tue, Dec 17, 2013 at 11:34 PM, Martin Landa <landa.martin at gmail.com> wrote:
> Hi,
>
> 2013/11/22 Martin Landa <landa.martin at gmail.com>:
>
>> when playing with SRTM data I found out that `r.fill.nulls`'s RST
>> method usually fails [1] -- compared to `method=cubic` (cubic spline
>> interpolation) [2]. Is it expectable?
>>
>> Wouldn't be better to change default method to 'cubic' (v.surf.spline
>> is quite slow anyway)?
>
> sorry for noise, really no idea?

Could you put the (reduced) location anywhere to try it out?

Markus

>> [1] http://geo.fsv.cvut.cz/WIKI/freegis/images/d/d3/Srtm-fill-nulls-failed.png
>> [2] http://geo.fsv.cvut.cz/WIKI/freegis/images/8/83/Srtm-fill-nulls-cubic.png
>
> Thanks, Martin
>
> --
> Martin Landa <landa.martin gmail.com> * http://geo.fsv.cvut.cz/~landa
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