[GRASS-user] Differential growth

[Michael Barton]

Try playing around with the wildfire modeling set of modules.

Michael


On 3/7/07 4:35 PM, "Trevor Wiens" <twiens at interbaun.com> wrote:

> I have a situation where I'm examining the growth of industrial
> footprint in native prairie. One of the factors is invasion by
> non-native species along roads. These species will grow at different
> rates on different soils. This is relatively easy to solve using
> v.buffer as there is a buffer column option.
> 
> What I'm unsure of how to deal with is that there is a directional
> component because of prevailing winds. I was thinking that probably the
> only way to do this was to convert to raster and then use iterations of
> r.mapcalc to grow the footprint at different rates in different
> directions (basically splitting the r.mapcalc buffer example from the
> pdf documentation into four parts). This would work but this will
> involve creating a lot of temporary files splitting of the ages and
> soil types and then in the end merging it all back together again.
> 
> Does anyone know of a more elegant way to do this?
> 
> T

__________________________________________
Michael Barton, Professor of Anthropology
School of Human Evolution & Social Change
Center for Social Dynamics & Complexity
Arizona State University

phone: 480-965-6213
fax: 480-965-7671
www: http://www.public.asu.edu/~cmbarton