[GRASS-user] Re: [GRASSLIST:1065] Re: v.clean doesn't create dbf

[Maciek Sieczka]

On Fri, 12 May 2006 08:33:48 -0300
"Carlos \"Guâno\" Grohmann" <carlos.grohmann at gmail.com> wrote:

> This is the output of v.info:
> 
> 
> v.info map=int2 layer=1

<snip>

> |   Map is 3D:              0    

<snip>

> v.info map=int2 layer=1 -c
>
> Displaying column types/names for database connection of layer 1:
> INTEGER|cat
> DOUBLE PRECISION|alt
> INTEGER|alt2

<snip>

Why are you are reporting for layer=1 while you want to use layer=2 in
v.surf.rst (as I see below)?

> v.surf.rst input=int2 layer=2 dmax=25.000000 dmin=5.000000
> elev=dem_int2 zmult=1.0 tension=40. smooth=0.1 segmax=40 npmin=300

<snip>

> Now the most weird.. if I set the zcolumn=1 (cat), it works.

Not weird at all. You have to set zcolumn to something - as these values
will be interpolated. Unless you set "layer=0" in order to use the
vector's Z coordinates (if it's 3D, but your is not).

Maciek

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