[GRASS-user] Can r.surf.idw create fcell maps?

[Hamish]

Joel Pitt wrote:
> Can r.surf.idw create fcell maps?

I don't know.

> Have been using r.surf.idw in a script only to find it changes my
> fcell/dcell maps into cell format. I'm using a CVS version from a
> couple of months ago - but haven't found any note of this behaviour
> changing.
> 
> $ r.info ${rastname}
> ...
> Range of data:    min = 2.269041  max = 19.934521
> ...
> 
> $ r.surf.idw input=$rastname output=${rastname}_idw npoints=2
> 
> $ r.info ${rastname}_idw
> ...
> Range of data:    min = 2  max = 20
> ...
> 
> Same for r.surf.idw2
> 
> Is there anyway around this? Or am I fundamentally missing something
> about how idw works?

workaround:

r.mapcalc "rast_x100000 = int($rastname * 100000)"
r.surf.idw in=rast_x100000 out=result
r.mapcalc "${rastname}_idw = result / 100000.0"


Hamish