Re: [Boost-users] Trouble w/ fruchterman-reingold

Subject: Re: [Boost-users] Trouble w/ fruchterman-reingold
From: eric (eric.burns_at_[hidden])
Date: 2012-10-04 15:11:26

Wow, okay ... thank you.  I have to admit that this is all a little bit of
voodoo for me.  There are a lot of things going on behind the scenes that I
don't understand.

I'm trying to get my toy prototype into what I need it to be, but as soon as
I switch from defining my Vertex this way:

typedef property<vertex_index_t, int, property&lt;vertex_position_t, Point>
> Vertex;

to defining it this way:

struct Vertex
{
        int property1;
        int property2;
};

I start getting this compiler error:

1>c:\program files
(x86)\boost\boost_1_51\boost\graph\detail\adjacency_list.hpp(2540) : error
C2039: 'type' : is not a member of 'boost::property_value<PropertyList,Tag>'
1>        with
1>        [
1>            PropertyList=wmain::Vertex,
1>            Tag=int
1>        ]

That comes from "struct vec_adj_list_any_vertex_pa", which I assume is the
vector adjacency_list vertex property ... accessor?  Anyway, I don't know
how to get my property_value to have a "::type" ... or where the
property_value comes from in the first place, for that matter.

Could you help me understand?  Or if there is something I could read that
would clear it all up for me, that would be awesome, too.  I trolled through
the docs, but haven't hit on something that makes me understand what is
going on.

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