[GRASS-dev] v.reclass more columns

[Moritz Lennert]

On 31/05/16 11:18, Luca Delucchi wrote:
> Hi devs,
>
> Is it possible to extend the column option in v.reclass to accept more
> than one column?

But if you combine several columns, you would have to define rules. And 
this is exactly what the rules parameter is for which let's you define 
SQL-like rules combining as many columns as you want ?

 > sometimes is really useful to reclass/dissolve using more columns and
 > also it is useful to keep more data in the attribute table.

The problem is if you combine several features into one category, then 
which attributes should you keep ?

Moritz