[GRASS-user] v.build.polylines

[Jarek Jasiewicz]

Markus Neteler wrote:
> M S wrote:
>   
>> Is anyone aware of a way to get the results of v.build.polylines but keep
>> the attributes and only merge adjacent lines that have the same
>> attributes?
>>
>> Meaning if one has three lines, where two of them have identical attribute
>> values, and one does not, that the two with identical attributes would be
>> merged (node removed), and keep the node (and separate line) for the line
>> that does not have the same attributes?
>>
>> Basically I'd like to merge adjacent lines that only have similar
>> attribute
>> values.
>>
>> Mark
>>
>>     
>
> v.build.polylines operates globally. For selective editing, use v.edit
> (GRASS 6.3-CVS).
> There are the "connect" and the "merge" tool which should exactly do what
> you
> need (in combination with SQL where statement).
>
> Markus
>
>   
but unfortunatly 'merge' do not work....