[GRASS-user] For this interested in cost surface analysis

[Hamish]

> Dylan Beaudette wrote:
> > This just popped up on R-Sig-Geo:
> > http://www.circuitscape.org/Circuitscape/Applications.html
> 
> Hi,
> 
> FWIW I've been doing something very similar in grass for a number of
> years. see v.surf.icw from wiki addons. it has suited my needs well,
> but with the newly much faster r.cost module it becomes a lot more
> viable for general use.
> 
> http://grass.osgeo.org/wiki/GRASS_AddOns#v.surf.icw
> 
> their approach seems to do in memory what I was doing with temp files.
> (suggest mapset on ramdisk to reduce disk IO bottleneck)

[reads a bit deeper]

hmm perhaps it is not the same thing (pitch points..). I will have to read
up on their circuit theory...  (in a previous life I worked as an
electrical engineer, so hopefully I can follow it)


Hamish