[GRASSLIST:7599] Re: making v.what.rast work

[David Finlayson]

Have you looked at the command r.what?

http://grass.itc.it/grass60/manuals/html60_user/r.what.html

David

On 7/18/05, Eva L. Hulse <evahulse at buffalo.edu> wrote:
> I have a raster created from interpolated elevation points, and i have a
> vector of soil sample locations for the same area.  I want to use
> v.what.rast to get the elevation (z) from the raster, for each (x,y)
> point in the vector file.  I imported the vector grid from ascii text
> with the columns x, y, and z.  The value of z is currently 0.  I also
> imported the original elevation points file from ascii text (that i
> later turned into a raster using v.surf.rst).
> 
> Right now, what happens is this:
> v.what.rast vector=kknGrid raster=kkn_mod_elev_surf column=z
> 
> Cannot get layer info for vector map
> 
> But since i really have no idea what i'm doing, can someone tell me how
> i can obtain the elusive "layer info for vector map"?
> 
> --
> ---------------------------------------------
> Eva L. Hulse
> PhD Student
> University at Buffalo Anthropology Department
> evahulse at buffalo.edu
> 
> 


-- 
David Finlayson
Marine Geology & Geophysics
School of Oceanography
Box 357940
University of Washington
Seattle, WA  98195-7940
USA

Office: Marine Sciences Building, Room 112
Phone: (206) 616-9407
Web: http://students.washington.edu/dfinlays