[GRASS-user] tweak r.buffer to incorporate dampening function

Māris Nartišs maris.gis at gmail.com
Wed Sep 6 16:00:29 EDT 2006


there was a discussion about similar topic some time a go 
[GRASS-user] [GRASSLIST:1081] Sediment dispersal modeling

It would be nice if there could be some module that could simulate flow using 
user's defined equation. No, I don't have time right now to code it. ;)


On Wednesday 06 September 2006 22:07, Dylan Beaudette wrote:
> Greetings,
> So I have some points which represent the estimated locations of Wifi
> networks in my neighborhood. Thus far I have been able to make some fun
> maps which estimate the "density" of signal based on a couple simple
> assumptions.
> (
> However, this method assumes a constant, circular coverage area. I would
> like to model propagation of the wifi signal (assuming no interference from
> trees, etc) using a simple equation realting relative signal strength as a
> function of distance from the signal source.
> I have taken a quick peek at the source for r.buffer, and am wondering how
> difficult it would be to modify it such that the module would optionally
> write cells based on the distance from the starting point, defined by some
> function.
> anyone familiar with r.buffer?
> Cheers,

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