[GRASS-user] Triangle plot with correspoding map

[Martin Wegmann]

Hello, 

a colleague wanted to display 3 different attributes (e.g. bare soil, 
vegetation, shadow), so far he did a map with a triangle plot manually (see 
attachment by M. Schramm). 

And he asked (and I wonder) if it would be possible to generate something 
along these lines using GRASS. Using 3 input raster and displaying a 3 
gradient colour map with a corresponding triangle legend. 

cheers, Martin
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