[GRASS-user] change the precision of elevation data

[Balázs Szabó]

Hello list!

I have 10x10 meter cell sized, 1 meter precision elevation data, but I have
to create a contour map that features 0.5 meter steps
hence the current level of precision is insufficient. Can I do this with
grass gis?

I tried the fallowing command, but I didnt get what I want, beacouse it
create the .5 meter countours as the .0 meter countours 10 meter buffered
line.

r.contour input=ddm-10 output=contour_05 step=0.5 cut=0

Thanks:

Balázs
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