[GRASS-user] Re: Problems with v.what.rast

Martin Landa landa.martin at gmail.com
Wed Jun 9 05:12:04 EDT 2010


Hi,

2010/6/9 Rebecca Bennett <rabennett at ymail.com>:
> I tried the command that Micha suggested v.db.addcol
> map=Contour_points_cats at PERMANENT layer=1
> columns="rast_value double precision" but this age the following error
>
> v.db.addcol Contour_points_cats col=rast_value DOUBLE PRECISION
> Sorry <DOUBLE> is not a valid option
> Sorry <PRECISION> is not a valid option

the quotes are required, so `col="rast_value DOUBLE PRECISION"`.

> So through the GUI I added a column to the attribute table which gave the
> command line out put
> v.db.addcol map=Contour_points_cats at PERMANENT layer=1 {columns=rast_value
> double precision}

Which GUI (TCL/TK or wxGUI), which version of GRASS?

Martin

-- 
Martin Landa <landa.martin gmail.com> * http://gama.fsv.cvut.cz/~landa


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