> 
> I am trying to generate a DEM using s.surf.tps however the resulting raster 
> always has a category value of "0" and a label of "no data". However when I 
> run the same sites list through s.surf.idw it appears to generate a sensible 
> surface. The format of my sites list is :-
> 
> name|sitetest
> desc|test for sites list from contpts
> 377395|7092510|480
> 377461|7092519|480
> 377506|7092531|480
> 377581|7092606|460
> etc
> 
> When I run s.surf.tps the following error messages for each site are 
> displayed  before it continues processing:-
> 
> eg " 400 (line 484) site description not prefixed with '#'"
> 
> Does anyone know where I might be going wrong !



YES. YOU NEED TO PREFIX EACH CATEGORY VALUE WITH A HASH (#). PEOPLE HAVE
WRITTEN AWK SCRIPTS TO DO IT AUTOMATICALLY.

E.G:

> name|sitetest
> desc|test for sites list from contpts
> 377395|7092510|#480
> 377461|7092519|#480
> 377506|7092531|#480
> 377581|7092606|#460


-- 
Fred Watson

PhD student		     Cooperative Research Centre for Catchment Hydrology
fgrw@civag.unimelb.edu.au    Civil & Environmental Engineering Department
+61-3-3447237		     University of Melbourne
+61-3-3446215 (F)	     Parkville, 3052, Victoria, AUSTRALIA


