[GRASS-user] r.fillnulls error

Markus Neteler neteler at osgeo.org
Mon Mar 1 03:05:28 EST 2010

On Mon, Mar 1, 2010 at 8:13 AM, maven apache <apachemaven0 at gmail.com> wrote:
> HI:
> When I use the r.fillnulls command to resample a map:
> r.fillnulls input=aa output=ab tension=40 smooth=0.1
> It show me that: taking too long to find points for interpolation--please
> change the region to area where your points are. Continuing calculations...
> What does it mean?

It is a friendly warning to tell you that you *may* be out of area of interest.
But in the case of r.fillnulls it is likely that you have large NULL areas,
so you can ignore the message. Be sure to validate the result of course (as


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