[GRASS-user] Creating isolines of walking distance

[Hamish]

Richard wrote:
> I'd suggest working through the Spearfish v.net.path
> example here, as a familiarisation exercise:
> 
> http://grass.osgeo.org/grass64/manuals/html64_user/v.net.path.html


if you have elevation data to add to the mix, the r.walk module
may also be of interest,
 http://grass.osgeo.org/grass64/manuals/html64_user/r.walk.html

ISTR a nice demo of that with some screenshots of distance
to walk in 10 minutes along the streets of Trento(?), but can't
put my finger on it right now.


Hamish