#1780: v.net.centrality: betweenness centrality seems wrong
------------------------------------------+---------------------------------
Reporter: mlennert | Owner: grass-dev@…
Type: defect | Status: new
Priority: normal | Milestone: 7.0.0
Component: Vector | Version: svn-trunk
Keywords: v.net.centrality betweenness | Platform: Unspecified
Cpu: Unspecified |
------------------------------------------+---------------------------------
Comment(by mmetz):
Replying to [ticket:1780 mlennert]:
>
{{{
v.net streets_wake points=schools_wake thresh=200 out=network op=connect
v.net.centrality input=network alayer=1 nlayer=2 output=centrality
cats=1-108 degree=degree closeness=closeness betweenness=betw
eigenvector=eig
}}}
>
>
> Only three nodes (36, 136, 138) have betweenness centrality above 0
which seems wrong.
I get six nodes (28, 94, 97, 136, 138, 154) with betweenness centrality >
0. For all other nodes, a betweenness centrality of 0 seems correct
because they are located at end points of the network, i.e. not in between
any two other nodes.
Markus M
--
Ticket URL: <http://trac.osgeo.org/grass/ticket/1780#comment:1>
GRASS GIS <http://grass.osgeo.org>
_______________________________________________
grass-dev mailing list
[email protected]
http://lists.osgeo.org/mailman/listinfo/grass-dev
