NAME

       v.net.bridge  - Computes bridges and articulation points in the network.

KEYWORDS

       vector, network, articulation points

SYNOPSIS

       v.net.bridge
       v.net.bridge help
       v.net.bridge   input=name   output=name    [layer=integer]    method=string   [--overwrite]   [--verbose]
       [--quiet]

   Flags:
       --overwrite
           Allow output files to overwrite existing files

       --verbose
           Verbose module output

       --quiet
           Quiet module output

   Parameters:
       input=name
           Name of input vector map

       output=name
           Name for output vector map

       layer=integer
           Layer number
           A single vector map can be connected to multiple database tables. This number determines which  table
           to use.
           Default: 1

       method=string
           Feature type
           Options: bridge,articulation
           bridge: Finds bridges
           articulation: Finds articulation points

DESCRIPTION

       v.net.bridge finds bridges and articulation points in a network.

NOTES

       Bridge  in  a  network  is  an  edge/line  whose removal would disconnect the (sub-)network. A node is an
       articulation point if its removal would disconnect the (sub-)network. For  more  information  and  formal
       definitions check the wikipedia entries: bridge and articulation point.

       The  output  of  the  module  contains  the  selected features. For method=bridge, lines corresponding to
       bridges are copied from the input map to the output map. On  the  other  hand,  for  method=articulation,
       points are created on the positions of articulation points.

       In  GRASS  GIS,  line  is not always a single line segment. It might be, and often is, a sequence of line
       segments between two intersections. Also, articulation point is a standard  graph  theoretic  terminology
       which  is slightly misleading in GRASS.  An articulation point in graph theory is an articulation node in
       GRASS terminology.

EXAMPLES

            TBD

SEE ALSO

        v.net, v.category,

AUTHORS

       Daniel Bundala, Google Summer of Code 2009, Student
       Wolf Bergenheim, Mentor

       Last changed: $Date: 2013-05-23 13:01:55 -0700 (Thu, 23 May 2013) $

       Full index

       © 2003-2013 GRASS Development Team

GRASS 6.4.3                                                                                 v.net.bridge(1grass)