Re: [Boost-users] graphlib changes in 1.40

Subject: Re: [Boost-users] graphlib changes in 1.40
From: Jeremiah Willcock (jewillco_at_[hidden])
Date: 2009-10-12 11:34:37

On Thu, 8 Oct 2009, Ralph Gauges wrote:

> Jeremiah Willcock wrote:
>> By the way, origin and extent were actually completely unused parameters in 
>> many cases, and are now in the topology for the places where they're 
>> needed.  These changes are in r56654.  Could you please try that version 
>> out?
>> 
>> -- Jeremiah Willcock
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>> Boost-users_at_[hidden]
>> http://lists.boost.org/mailman/listinfo.cgi/boost-users
>> 
> Setting the origin and the extent to the center of the topology did not make 
> any difference.
> I also tried r56654 and I noticed that the origin and extent parameters to 
> fruchterman reingold have been removed again.
> After changing the call, I could compile it against the revision 56654, but 
> the result was the same as for boost 1.40 release. All my nodes we placed at 
> almost exactly the same spot.
> Compiling the same code (just using the old calls to random layout and 
> fruchterman) against boost 1.35 which is the version on my linux box gives me 
> nicely distributed nodes at the edge of the box/topology.
>
> Sorry, either I am doing something horribly stupid, or there might be a bug 
> in the reingold algo.
>
> Is there anything else, I could do to help locate the problem?

Just to follow up on the list, we did some off-list debugging and a new 
version of Fruchterman-Reingold is now committed in SVN.

-- Jeremiah Willcock