[GRASS-user] raster analysis sectorwise as in a pie chart

[Hamish]

Otto Dassau wrote:
> I would like to analyse elevation data (slope, aspect, etc) around a
> point with a defined radius. For my analysis I would like to devide
> that circle into several sectors 1,5,10,x degree steps, like a pie. 
> 
> Is that possible in GRASS? Are there people who did
> something similar? Any hints and ideas are welcome.

r.reclass into range bands, then

d.histogram style=pie   (perhaps rendered into a corner sub- d.frame)

or somehow into a vector DB + 'd.vect.chart ctype=pie'


Hamish