[Boost-users] [BGL] Is there a way to avoid a sequence of edges while traversing a Graph?

From: Rohit Wadhwa (rohit.wadhwa_at_[hidden])
Date: 2006-08-10 10:14:28

The problem we are trying to solve is as follows:

The figure below describes a section of a graph. 

           D
----------*---------------
          |
          |
          |       B       F
----------*-------*-------*
          C       |       |
                  |       |
                  |       |
------------------*-------*
                  A       E

We want to achieve the following via traversal: 

1. Avoid the sequence from A->B->C->D.  
2. Still be able to traverse to D from A via other paths, if available
(eg. A->E, E->F, F->B, B->C, and C->D)

We would like to be able to represent this in a graph (BGL) in a manner
that will allow algorithms (such as DSP, connected_components etc.) to
not take the 'prohibited path' into account.  Is there a way to disable
a particular path via traversal?

Thanks in advance,

Rohit.