[GRASS-user] Tobler's hiking function

[Glynn Clements]

mlage at usal.es wrote:

> Thank you very much, Glynn.
> The original Hiking Function is:
> 
> W= 6 exp {-3.5*abs(Slope + 0.05)}
> 
> Through this I want to estimate anisotropic cost movements in friction
> surfaces.
> Maybe the problem is that I haven't understood the r.mapcalc syntax...

My problem is that I don't understand your syntax; what does "X exp Y"
mean?

-- 
Glynn Clements <glynn at gclements.plus.com>