[GRASS-user] "Classic" morphometric feature analysis

[Hamish]

Jonathan Greenberg wrote:
> While I like the generality of the fitted r.param.scale algorithm 
> (indeed, it is used in other software packages as well) to classify 
> various morphometric features, I am trying to find a tool which uses 
> more classic, 3x3 moving window approaches to classify features, e.g.
> a 
> peak looks like:
> 
> o o o
> o x o
> o o o   if x is the largest number; a ridge looks like
> 
> x o o        o x o
> o x o   or   o x o  or ... (and so on)
> o o x        o x o
> 
> Does grass contain these older approaches to classifying topographic 
> features hiding in some command?  Thanks!


besides raw r.mapcalc neighbor modifier, see r.mfilter and r.neighbors
(grass 6.3)


Hamish



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