Re: [Boost-users] Default weight map doesn't work for weighted grid graph in A-star search

Subject: Re: [Boost-users] Default weight map doesn't work for weighted grid graph in A-star search
From: Jeremiah Willcock (jewillco_at_[hidden])
Date: 2010-07-14 22:12:56

> It doesn't work with a filtered_graph. Â Adding the following line:
> 
> boost::property_map<filtered_grid, boost::vertex_index_t>::const_type fpm = get(boost::vertex_index, m_barrier_grid);
> 
> produces this error:
> 
> g++ -g -I/src/boost-trunk -Wall -Werror -O3 Â  -c -o astar_maze.o astar_maze.cpp
> /src/boost-trunk/boost/graph/graph_traits.hpp: In instantiation of ‘boost::vertex_property_type<grid>’:
> /src/boost-trunk/boost/graph/filtered_graph.hpp:226:   instantiated from ‘boost::vertex_property_type<filtered_grid>’
> /src/boost-trunk/boost/graph/properties.hpp:202:   instantiated from ‘boost::detail::vertex_property_map<filtered_grid, boost::vertex_index_t>’
> /src/boost-trunk/boost/graph/properties.hpp:251:   instantiated from ‘boost::property_map<filtered_grid, boost::vertex_index_t>’
> astar_maze.cpp:234: Â  instantiated from here
> /src/boost-trunk/boost/graph/graph_traits.hpp:226: error: no type named ‘vertex_property_type’ in ‘class grid’
> 
> Which is the same error I was seeing before inside the astar_search call. 

Could you please try this code and the astar_search call with r64035 from 
the trunk?

-- Jeremiah Willcock