Re: [Boost-users] Properties in a subgraph

From: Jeremy Siek (jsiek_at_[hidden])
Date: 2004-01-30 16:20:09

Hi Hugues,

Subgraph.mcp is a CodeWarrior project file?
I'm sorry but I don't have CodeWarrior. Can
you send a tar ball or even better, a text file.

Cheers,
Jeremy

On Jan 30, 2004, at 12:59 PM, Hugues Joly wrote:

> Hi,
>    I'd like to clarify a point about the graph
> properties accessed through a subgraph.  According to
> the documentation of get(PropertyTag, subgraph& g):
> vertex and edge properties are shared by all
> subgraphs, so changes to a property through a local
> vertex descriptor for one subgraph will change the
> property for the global vertex descriptor, and
> therefore for all other subgraphs (c.f.
> boost-1.30.2/libs/graph/doc/subgraph.html).
>
>    Here, I'm sending you a small program inspired by
> the
> boost-1.30.2/libs/graph/example/subgraph.cpp example.
>> From its behavior, it seems that:
>
> 1) A property value is not shared between the global
> descriptor and its corresponding local descriptors.
>
> 2) we need to initialize property values for each of
> the subgraphs.  For example, if I set a name "A" for
> the global vertex descriptor A, that property is not
> seen through the corresponding local vertex
> descriptors.
>
> Is this a case of misuse or is it a bug?
>
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_______________________________________________
Jeremy Siek <jsiek_at_[hidden]>
http://www.osl.iu.edu.edu/~jsiek
Ph.D. Student, Indiana University Bloomington
C++ Booster (http://www.boost.org)
Office phone: [phone]
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