[GRASS-user] more on v.net: break lines on nodes

achim ak7 at jupiter.uni-freiburg.de
Tue Jul 7 06:18:22 EDT 2009


Sorry, not very clear... They are "snapped"!

I wanted to show that I have
1) two lines (two cats) with no common nodes on the network
2) I want the longer to be broken on the node of the longer one in order
to have a common node (and three lines with three cats)

achim

Moritz Lennert schrieb:
> On 07/07/09 11:15, achim wrote:
>> Hi,
>>
>> as an explanation I draw a little picture...
>>
>> I like to have each line extra to have a common node on each crossing. I
>> would to have that in order to try handling tree structures and some
>> analysis in a database.
> 
> From the picture, your talking about snapping more than breaking lines ?
> 
> v.edit ?
> v.clean ?
> 
> Moritz
> 
>>
>> Thanks,
>> achim
>>
>> Moritz Lennert schrieb:
>>> On 03/07/09 12:10, achim wrote:
>>>> Hi,
>>>>
>>>> another question..:
>>>>
>>>> is it possible to break lines from the network on nodes?
>>> If you add a node to the network it is either:
>>>
>>> - on an intersection already if you use v.net operation=nodes
>>> - on the end of a line if you use v.net operation=connect
>>>
>>> So, I don't really see the possibility of having nodes on a network
>>> line. Could you elaborate ?
>>>
>>> Moritz
>>>
>>> ------------------------------------------------------------------------
>>>
> 


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