[GRASSLIST:8127] RE: v.surf.rast

[Markus Neteler]

On Mon, Aug 29, 2005 at 08:00:50PM -0400, M S wrote:
> d'oh. i should have known the column name was case sensitive... on my way


I have changed the error message to

ERROR: Cannot find z column <c2cont> (please verify name, e.g. with v.info)

Maybe helpful for the future.

Markus
 
> On 8/29/05, Tom Colson <tomd_colson at ncsu.edu> wrote:
> > 
> > I don't have Grass running... But try it using the CLI (command line
> > interface, which you should know how to use anyway). The GUI, in my 
> > personal
> > opinion, isn't always the ideal method for running tools.
> > 
> > When you do it via the CLI, cut 'n paste that command, but drop
> > zcolumn=c2cont. Layer=1 should pick up the z col automagically. If that
> > doesn't work, COPY your layer and rename the c2cont field to z.
> > 
> > 
> > 
> > 
> > Thomas Colson
> > North Carolina State University
> > Department of Forestry and Environmental Resources
> > (919) 673 8023
> > tom_colson at ncsu.edu
> > 
> > Calendar:
> > www4.ncsu.edu/~tpcolson <http://www4.ncsu.edu/~tpcolson>
> > 
> > 
> > -----Original Message-----
> > From: M S [mailto:mseibel at gmail.com]
> > Sent: Monday, August 29, 2005 8:19 AM
> > To: Tom Colson
> > Cc: GRASS mailing list
> > Subject: Re: [GRASSLIST:8115] v.surf.rast
> > 
> > v.surf.rst input=topopostwet layer=1 zcolumn=c2cont dmax=2.035683
> > dmin=0.407137 elev=surfpostwet slope=slopepostwet zmult=1.0 tension=40.
> > smooth=0.1 segmax=40 npmin=200
> > 
> > Authors: original version - H.Mitasova, L.Mitas, I. Kosinovsky, D.P. 
> > Gerdes
> > See manual pages for reference and publications T3
> > 
> > Percent complete:
> > Cannot find z column (please verify name) Loading data from attribute 
> > table
> > ...
> > 
> > 
> > 
> > On 8/29/05, Tom Colson <tom_colson at ncsu.edu> wrote:
> > >
> > > Please copy and paste the command line (From the bottom of the GUI
> > > window, after you run it, it displays the actuall cli)
> > >
> > > Thomas Colson
> > > North Carolina State University
> > > Department of Forestry and Environmental Resources
> > > (919) 673 8023
> > > tom_colson at ncsu.edu
> > >
> > > Calendar:
> > > www4.ncsu.edu/~tpcolson <http://www4.ncsu.edu/~tpcolson>
> > >
> > >
> > > -----Original Message-----
> > > From: owner-GRASSLIST at baylor.edu [mailto:owner-GRASSLIST at baylor.edu]
> > > On Behalf Of M S
> > > Sent: Monday, August 29, 2005 8:09 AM
> > > To: GRASS mailing list
> > > Subject: [GRASSLIST:8115] v.surf.rast
> > >
> > > I have run this in the past with success several times. This time
> > > around i'm not sure what i'm doing wrong.
> > >
> > > My input parameters into the GUI are: vector file name (vector
> > > contours), name of column (i have used the column with integer values
> > > and floating point), and an output raster of surface, and an output 
> > raster
> > of the slope.
> > > Everything else is left default.
> > >
> > > when i run the module, i get the following error:
> > >
> > > Percent complete:
> > > GRASS_INFO_ERROR(24024,1): Cannot find z column (please verify name)
> > > Loading data from attribute table . . .
> > >
> > >
> > > Any ideas? I have double/triple/quadruple checked the values in the
> > > colum for interpolation, and they are there and valid.
> > >
> > >
> > >
> > 
> >

-- 
Markus Neteler     <neteler itc it>       http://mpa.itc.it
ITC-irst -  Centro per la Ricerca Scientifica e Tecnologica
MPBA - Predictive Models for Biol. & Environ. Data Analysis
Via Sommarive, 18        -       38050 Povo (Trento), Italy