[GRASS-user] Re: how to get categoriy values after v.reclass?

[Patrick Giraudoux]

Patrick Giraudoux a écrit :
> I had a point vector map of three points (name = 'samples') where the 
> category values were 1, 100, 200
>
> I reclassified it as following:
>
> v.reclass input=samples output=samples2 rules=reclasscode
>
> where reclasscode is this file:
> > cat reclasscode
> cat 1
> where cat=1
> cat 2
> where cat=100
> cat 3
> where cat=200
>
> Then, I cannot find a way out to read the values of cat in the new 
> file 'sample2'. Obviously v.info could just give the names of the 
> columns in 'samples':
>
> > v.info -c map=samples
> Displaying column types/names for database connection of layer 1:
> INTEGER|cat
> INTEGER|ID
> DOUBLE PRECISION|x
> DOUBLE PRECISION|y
>
> but with the new file
> > v.info -c map=samples2
> ERROR: Database connection for map <samples2> is not defined in DB file
>
> and anyway, this is not exactly what I would like to get.  I would get 
> the value of the categories for each point... and cannot make it 
> whatever the vector file...
>
> Any hint welcome !
Sorry to answer to myself, but it looks like

v.category input=samples2 option=print

makes it !

Patrick