surface area

[Frank Lederer]

Hi GRASS community,

is it possible to calculate the surface area of a 3d (not 2d!!) surface (DEM)?

Thanks in advance
                Frank



   		Frank Lederer
   		Sandweg 64
   		60316 Frankfurt/Main        
   		Germany 


		Lederer at em.uni-frankfurt.de
		phone: ++49-069-4960545