[GRASS-dev] v.perturb

Alessandro Samuel Rosa alessandrosamuel at yahoo.com.br
Tue Aug 26 15:12:20 PDT 2014

Dear GRASS GIS developers,

I am planning to use v.perturb to run a spatial simulated annealing exercise. Two drawbacks with v.perturb exist. First, "output vector points are not guaranteed to be contained within the
current geographic region". Second, all vector points are perturbed together.

Is it very difficult to solve this issues?

Another option for perturbation would be v.edit, but in that case the direction and distance are not random.


Alessandro Samuel-Rosa 
Graduate School in Agronomy - Soil Science 
Federal Rural University of Rio de Janeiro 
Seropédica, Rio de Janeiro, Brazil 
Guest Researcher at ISRIC - World Soil Information 
Wageningen, the Netherlands 
Homepage: soil-scientist.net   Skype: alessandrosamuel
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