[GRASS5] howto: direct access to raster cells - skeletons in cvs?

[Hamish]

> I want to perform the following task:
> 	1) read a single cell in a raster map
> 	2) modify its value
> 	3) write it back and display the map 


Have a look at the C code for r.univar.

I don't guarantee it is "correct" enough to be put forward as an
official example, but it does work and is not that complicated.


http://freegis.org/cgi-bin/viewcvs.cgi/grass/src/raster/r.univar2/main.c?rev=1.7&content-type=text/vnd.viewcvs-markup



Hamish