[GRASS-user] fill in null areas equal to nearest value

[Anna Petrášová]

If I understand correctly, 1) set the computational region to match the
larger map, 2) use r.grow.distance with input=smaller map and option
'value', 3) use r.mapcalc to trim the values based on the larger map.

Best,
Anna

On Mon, Feb 13, 2023 at 11:06 AM Janet Choate <jsc.eco at gmail.com> wrote:

> Hello GRASS community,
> I have two maps - where one map is slightly larger than the other - so
> that the smaller map is missing data just around the edges based on the
> outline of the larger map.
> The smaller map is a map of floating point values, the larger map has a
> single value of 1.
> I would like to fill in the missing edge data of the smaller map based on
> the outline of the larger map - setting the null areas to the nearest value
> in the smaller map.
>
> Thank you for any advice!
> Janet
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