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

Hamish hamish_nospam at yahoo.com
Wed Sep 29 20:29:47 EDT 2004

> 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.



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