[GRASS-user] How to merge rasters using feathering/blending ?

Saber Razmjooei razmjooeis at faunalia.co.uk
Thu Feb 24 14:23:42 EST 2011

I guess you can do it with a combination of the existing tools:
You can create a buffer zone between your 2 dataset where they merge and
set the buffer to null values. Then using r.fillnulls
(http://grass.osgeo.org/gdp/html_grass64/r.fillnulls.html) and you can
fill the gap using both datasets.

Hope that helps.

On Thu, 2011-02-24 at 10:53 -0800, kaipi wrote:
> I need to patch rasters containing NULL areas with alternative rasters. I can
> do this with r.patch but due to different quality/resolution of the rasters
> this produces prominent seamlines. Is there a way to feather/blend between
> merged rasters using Grass GIS?
> Thanks,
> Kaipi

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