[GRASS-user] import ascii error + how to build a tin

Ricardo Oliveira autopilot at oniduo.pt
Wed May 23 12:16:51 EDT 2007


Thanks! It worked now.

On Wed, 23 May 2007 16:32:02 +1200
Hamish <hamish_nospam at yahoo.com> wrote:

> Ricardo Oliveira wrote:
> > 
> > I am getting an error when importing a .xyz file with the
> > coordinates of a scene. The only reason i am looking at is the fact
> > that the z value is negative, and after the field separator (,).
> ..
> > Here is the error:
> > Error reading ascii file:
> > 1499.4708,4314.6574,-1.5260
> 
> what are the v.in.ascii command line options you are using?
> what version of GRASS?
> fs=, ?
> 
> why format=standard not format=point? If using format=standard you
> need to use the special format described in the v.in.ascii help page.
> 
> it should look like:
> 
> v.in.ascii in=points.txt out=new_map x=1 y=2 z=3 -z fs=, format=point
> 
> 
> > Also, after importing how should i build a surface (TIN)
> 
> Look at the v.surf.* modules. (technically a raster surface not a TIN)
> 
> > and create a shaded surface?
> 
> r.shaded.relief or NVIZ.
> 
> 
> Hamish
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