r.fillnulls
Fills no-data areas in a raster layer using v.surf.rst splines interpolation or v.surf.bspline interpolation
Raster (r.*)
ParameterRaster|input|Input raster layer to fill|False
ParameterNumber|tension|Spline tension parameter|None|None|40.0
ParameterNumber|smooth|Spline smoothing parameter|None|None|0.1
OutputRaster|output|Filled