[GRASS-user] r.in/out.xyz question

[Hamish]

Frank Broniewski wrote:

> I am experimenting with r.in/out.xyz. As far as I understand, r.out.xyz take
> a cell center coordinate and writes this and the associated z value into 
> something(stout/file).
> Now I have recognised while importing the output with r.in.xyz that there is
> a different cell count with different rasters while the region is the same.

[Glynn answered this probably comes from r.slope.aspect]

> I am sorting the output by the z value in order to create classes of equal 
> area

perhaps 'r.univar -e percentile=' for percentile in n*(100/num classes) makes
this much easier?


Hamish



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