I want to use the read_graphiz function to load graphviz files. Graph links have an extra property called "lambdas," which tells about the number of wavelengths a link has. This link attribute is a positive integer. Below I'm sending you the program which I thought should work, but it doesn't. Plus, there is a sample graphviz file. I have hard time trying to decipher the errors, and made little progress, and so I would appreciate any advice. I'm attaching the compilation errors. Thanks for reading. Thanks & best, Irek ********************************************************************* #include <fstream> #include <string> #include <boost/graph/adjacency_list.hpp> #include <boost/graph/graphviz.hpp> #include <boost/graph/depth_first_search.hpp> #include <boost/graph/iteration_macros.hpp> using namespace boost; enum edge_lambdas_t { edge_lambdas }; namespace boost { BOOST_INSTALL_PROPERTY(edge, lambdas); } typedef boost::adjacency_list<vecS, vecS, undirectedS, property<vertex_name_t, std::string>, property<edge_weight_t, double>, property<edge_lambdas_t, int> > Graph; int main() { Graph g; dynamic_properties dp; dp.property("lambdas", get(edge_lambdas, g)); dp.property("node_id", get(vertex_name, g)); dp.property("distance", get(edge_weight, g)); read_graphviz(std::cin, g, dp); } *********************************************************************** graph { a; b; c; c -- a [distance="100", lambdas="4"]; a -- b [distance="200", lambdas="4"]; } *********************************************************************** g++ -I /usr/local/include/boost-1_33_1/ -l bgl-viz load.cc -o load /usr/local/include/boost-1_33_1/boost/dynamic_property_map.hpp: In member function `std::string boost::detail::dynamic_property_map_adaptor<PropertyMap>::get_string(const boost::any&) [with PropertyMap = boost::adj_list_edge_property_map<boost::undirected_tag, boost::detail::error_property_not_found, boost::detail::error_property_not_found&, size_t, boost::property<boost::edge_weight_t, double, boost::no_property>, edge_lambdas_t>]': load.cc:236: instantiated from here /usr/local/include/boost-1_33_1/boost/dynamic_property_map.hpp:196: error: no match for 'operator<<' in 'out << boost::get [with PropertyMap = boost::adj_list_edge_property_map<boost::undirected_tag, boost::detail::error_property_not_found, boost::detail::error_property_not_found&, size_t, boost::property<boost::edge_weight_t, double, boost::no_property>, edge_lambdas_t>, Reference = boost::detail::error_property_not_found&, K = boost::detail::edge_desc_impl<boost::undirected_tag, size_t>](((const boost::put_get_helper<boost::detail::error_property_not_found&, boost::adj_list_edge_property_map<boost::undirected_tag, boost::detail::error_property_not_found, boost::detail::error_property_not_found&, size_t, boost::property<boost::edge_weight_t, double, boost::no_property>, edge_lambdas_t> >&)((const boost::put_get_helper<boost::detail::error_property_not_found&, boost::adj_list_edge_property_map<boost::undirected_tag, boost::detail::error_property_not_found, boost::detail::error_property_not_found&, size_t, boost::property<boost::edge_weight_t, double, boost::no_property>, edge_lambdas_t>

*)((boost::put_get_helper<boost::detail::error_property_not_found&, boost::adj_list_edge_property_map<boost::undirected_tag, boost::detail::error_property_not_found, boost::detail::error_property_not_found&, size_t, boost::property<boost::edge_weight_t, double, boost::no_property>, edge_lambdas_t> *)(((boost::adj_list_edge_property_map<boost::undirected_tag, boost::detail::error_property_not_found, boost::detail::error_property_not_found&, size_t, boost::property<boost::edge_weight_t, double, boost::no_property>, edge_lambdas_t>*)((boost::detail::dynamic_property_map_adaptor<boost::adj_list_edge_property_map<boost::undirected_tag, boost::detail::error_property_not_found, boost::detail::error_property_not_found&, size_t, boost::property<boost::edge_weight_t, double, boost::no_property>, edge_lambdas_t> >*)this)) + 4u)))), ((const boost::detail::edge_desc_impl<boost::undirected_tag, size_t>&)((const boost::detail::edge_desc_impl<boost::undirected_tag, size_t>*)(&boost::any_cast [with ValueType = boost::detail::edge_desc_impl<boost::undirected_tag, size_t>](((const boost::any&)(+key)))))))' /usr/lib/gcc/i386-redhat-linux/3.4.4/../../../../include/c++/3.4.4/bits/ostream.tcc:63: note: candidates are: std::basic_ostream<_CharT, _Traits>& std::basic_ostream<_CharT, _Traits>::operator<<(std::basic_ostream<_CharT, _Traits>&(*)(std::basic_ostream<_CharT, _Traits>&)) [with _CharT = char, _Traits = std::char_traits<char>] /usr/lib/gcc/i386-redhat-linux/3.4.4/../../../../include/c++/3.4.4/bits/ostream.tcc:74: note: std::basic_ostream<_CharT, _Traits>& std::basic_ostream<_CharT, _Traits>::operator<<(std::basic_ios<_CharT, _Traits>&(*)(std::basic_ios<_CharT, _Traits>&)) [with _CharT = char, _Traits = std::char_traits<char>] /usr/lib/gcc/i386-redhat-linux/3.4.4/../../../../include/c++/3.4.4/bits/ostream.tcc:86: note: std::basic_ostream<_CharT, _Traits>& std::basic_ostream<_CharT, _Traits>::operator<<(std::ios_base&(*)(std::ios_base&)) [with _CharT = char, _Traits = std::char_traits<char>] /usr/lib/gcc/i386-redhat-linux/3.4.4/../../../../include/c++/3.4.4/bits/ostream.tcc:121: note: std::basic_ostream<_CharT, _Traits>& std::basic_ostream<_CharT, _Traits>::operator<<(long int) [with _CharT = char, _Traits = std::char_traits<char>] /usr/lib/gcc/i386-redhat-linux/3.4.4/../../../../include/c++/3.4.4/bits/ostream.tcc:155: note: std::basic_ostream<_CharT, _Traits>& std::basic_ostream<_CharT, _Traits>::operator<<(long unsigned int) [with _CharT = char, _Traits = std::char_traits<char>] /usr/lib/gcc/i386-redhat-linux/3.4.4/../../../../include/c++/3.4.4/bits/ostream.tcc:98: note: std::basic_ostream<_CharT, _Traits>& std::basic_ostream<_CharT, _Traits>::operator<<(bool) [with _CharT = char, _Traits = std::char_traits<char>] /usr/lib/gcc/i386-redhat-linux/3.4.4/../../../../include/c++/3.4.4/ostream:178: note: std::basic_ostream<_CharT, _Traits>& std::basic_ostream<_CharT, _Traits>::operator<<(short int) [with _CharT = char, _Traits = std::char_traits<char>] /usr/lib/gcc/i386-redhat-linux/3.4.4/../../../../include/c++/3.4.4/ostream:189: note: std::basic_ostream<_CharT, _Traits>& std::basic_ostream<_CharT, _Traits>::operator<<(short unsigned int) [with _CharT = char, _Traits = std::char_traits<char>] /usr/lib/gcc/i386-redhat-linux/3.4.4/../../../../include/c++/3.4.4/ostream:193: note: std::basic_ostream<_CharT, _Traits>& std::basic_ostream<_CharT, _Traits>::operator<<(int) [with _CharT = char, _Traits = std::char_traits<char>] /usr/lib/gcc/i386-redhat-linux/3.4.4/../../../../include/c++/3.4.4/ostream:204: note: std::basic_ostream<_CharT, _Traits>& std::basic_ostream<_CharT, _Traits>::operator<<(unsigned int) [with _CharT = char, _Traits = std::char_traits<char>] /usr/lib/gcc/i386-redhat-linux/3.4.4/../../../../include/c++/3.4.4/bits/ostream.tcc:179: note: std::basic_ostream<_CharT, _Traits>& std::basic_ostream<_CharT, _Traits>::operator<<(long long int) [with _CharT = char, _Traits = std::char_traits<char>] /usr/lib/gcc/i386-redhat-linux/3.4.4/../../../../include/c++/3.4.4/bits/ostream.tcc:214: note: std::basic_ostream<_CharT, _Traits>& std::basic_ostream<_CharT, _Traits>::operator<<(long long unsigned int) [with _CharT = char, _Traits = std::char_traits<char>] /usr/lib/gcc/i386-redhat-linux/3.4.4/../../../../include/c++/3.4.4/bits/ostream.tcc:238: note: std::basic_ostream<_CharT, _Traits>& std::basic_ostream<_CharT, _Traits>::operator<<(double) [with _CharT = char, _Traits = std::char_traits<char>] /usr/lib/gcc/i386-redhat-linux/3.4.4/../../../../include/c++/3.4.4/ostream:219: note: std::basic_ostream<_CharT, _Traits>& std::basic_ostream<_CharT, _Traits>::operator<<(float) [with _CharT = char, _Traits = std::char_traits<char>] /usr/lib/gcc/i386-redhat-linux/3.4.4/../../../../include/c++/3.4.4/bits/ostream.tcc:261: note: std::basic_ostream<_CharT, _Traits>& std::basic_ostream<_CharT, _Traits>::operator<<(long double) [with _CharT = char, _Traits = std::char_traits<char>] /usr/lib/gcc/i386-redhat-linux/3.4.4/../../../../include/c++/3.4.4/bits/ostream.tcc:284: note: std::basic_ostream<_CharT, _Traits>& std::basic_ostream<_CharT, _Traits>::operator<<(const void*) [with _CharT = char, _Traits = std::char_traits<char>] /usr/lib/gcc/i386-redhat-linux/3.4.4/../../../../include/c++/3.4.4/bits/ostream.tcc:307: note: std::basic_ostream<_CharT, _Traits>& std::basic_ostream<_CharT, _Traits>::operator<<(std::basic_streambuf<_CharT, _Traits>*) [with _CharT = char, _Traits = std::char_traits<char>] /usr/lib/gcc/i386-redhat-linux/3.4.4/../../../../include/c++/3.4.4/ostream:504: note: std::basic_ostream<char, _Traits>& std::operator<<(std::basic_ostream<char, _Traits>&, const unsigned char*) [with _Traits = std::char_traits<char>] /usr/lib/gcc/i386-redhat-linux/3.4.4/../../../../include/c++/3.4.4/ostream:499: note: std::basic_ostream<char, _Traits>& std::operator<<(std::basic_ostream<char, _Traits>&, const signed char*) [with _Traits = std::char_traits<char>] /usr/lib/gcc/i386-redhat-linux/3.4.4/../../../../include/c++/3.4.4/bits/ostream.tcc:612: note: std::basic_ostream<char, _Traits>& std::operator<<(std::basic_ostream<char, _Traits>&, const char*) [with _Traits = std::char_traits<char>] /usr/lib/gcc/i386-redhat-linux/3.4.4/../../../../include/c++/3.4.4/bits/ostream.tcc:567: note: std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const char*) [with _CharT = char, _Traits = std::char_traits<char>] /usr/lib/gcc/i386-redhat-linux/3.4.4/../../../../include/c++/3.4.4/ostream:465: note: std::basic_ostream<char, _Traits>& std::operator<<(std::basic_ostream<char, _Traits>&, unsigned char) [with _Traits = std::char_traits<char>] /usr/lib/gcc/i386-redhat-linux/3.4.4/../../../../include/c++/3.4.4/ostream:460: note: std::basic_ostream<char, _Traits>& std::operator<<(std::basic_ostream<char, _Traits>&, signed char) [with _Traits = std::char_traits<char>] /usr/lib/gcc/i386-redhat-linux/3.4.4/../../../../include/c++/3.4.4/bits/ostream.tcc:505: note: std::basic_ostream<char, _Traits>& std::operator<<(std::basic_ostream<char, _Traits>&, char) [with _Traits = std::char_traits<char>] /usr/lib/gcc/i386-redhat-linux/3.4.4/../../../../include/c++/3.4.4/ostream:449: note: std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, char) [with _CharT = char, _Traits = std::char_traits<char>] /usr/local/include/boost-1_33_1/boost/lexical_cast.hpp: In member function `bool boost::detail::lexical_stream<Target, Source>::operator>>(InputStreamable&) [with InputStreamable = boost::detail::error_property_not_found, Target = boost::detail::error_property_not_found, Source = std::basic_string<char, std::char_traits<char>, std::allocator<char> >]': /usr/local/include/boost-1_33_1/boost/lexical_cast.hpp:222: instantiated from `Target boost::lexical_cast(const Source&) [with Target = boost::detail::error_property_not_found, Source = std::basic_string<char, std::char_traits<char>, std::allocator<char> >]' /usr/local/include/boost-1_33_1/boost/dynamic_property_map.hpp:42: instantiated from `Value boost::detail::read_value(const std::string&) [with Value = boost::detail::error_property_not_found]' /usr/local/include/boost-1_33_1/boost/dynamic_property_map.hpp:160: instantiated from `void boost::detail::dynamic_property_map_adaptor<PropertyMap>::do_put(const boost::any&, const boost::any&, mpl_::bool_< true>) [with PropertyMap = boost::adj_list_edge_property_map<boost::undirected_tag, boost::detail::error_property_not_found, boost::detail::error_property_not_found&, size_t, boost::property<boost::edge_weight_t, double, boost::no_property>, edge_lambdas_t>]' /usr/local/include/boost-1_33_1/boost/dynamic_property_map.hpp:203: instantiated from `void boost::detail::dynamic_property_map_adaptor<PropertyMap>::put(const boost::any&, const boost::any&) [with PropertyMap = boost::adj_list_edge_property_map<boost::undirected_tag, boost::detail::error_property_not_found, boost::detail::error_property_not_found&, size_t, boost::property<boost::edge_weight_t, double, boost::no_property>, edge_lambdas_t>]' load.cc:236: instantiated from here /usr/local/include/boost-1_33_1/boost/lexical_cast.hpp:156: error: no match for 'operator>>' in '((boost::detail::lexical_stream<boost::detail::error_property_not_found, std::basic_string<char, std::char_traits<char>, std::allocator<char> > *)this)->boost::detail::lexical_stream<boost::detail::error_property_not_found, std::basic_string<char, std::char_traits<char>, std::allocator<char> > ::stream >> output' /usr/lib/gcc/i386-redhat-linux/3.4.4/../../../../include/c++/3.4.4/bits/istream.tcc:87: note: candidates are: std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(std::basic_istream<_CharT, _Traits>&(*)(std::basic_istream<_CharT, _Traits>&)) [with _CharT = char, _Traits = std::char_traits<char>] /usr/lib/gcc/i386-redhat-linux/3.4.4/../../../../include/c++/3.4.4/bits/istream.tcc:93: note: std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(std::basic_ios<_CharT, _Traits>&(*)(std::basic_ios<_CharT, _Traits>&)) [with _CharT = char, _Traits = std::char_traits<char>] /usr/lib/gcc/i386-redhat-linux/3.4.4/../../../../include/c++/3.4.4/bits/istream.tcc:102: note: std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(std::ios_base&(*)(std::ios_base&)) [with _CharT = char, _Traits = std::char_traits<char>] /usr/lib/gcc/i386-redhat-linux/3.4.4/../../../../include/c++/3.4.4/bits/istream.tcc:111: note: std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(bool&) [with _CharT = char, _Traits = std::char_traits<char>] /usr/lib/gcc/i386-redhat-linux/3.4.4/../../../../include/c++/3.4.4/bits/istream.tcc:133: note: std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(short int&) [with _CharT = char, _Traits = std::char_traits<char>] /usr/lib/gcc/i386-redhat-linux/3.4.4/../../../../include/c++/3.4.4/bits/istream.tcc:164: note: std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(short unsigned int&) [with _CharT = char, _Traits = std::char_traits<char>] /usr/lib/gcc/i386-redhat-linux/3.4.4/../../../../include/c++/3.4.4/bits/istream.tcc:186: note: std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(int&) [with _CharT = char, _Traits = std::char_traits<char>] /usr/lib/gcc/i386-redhat-linux/3.4.4/../../../../include/c++/3.4.4/bits/istream.tcc:217: note: std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(unsigned int&) [with _CharT = char, _Traits = std::char_traits<char>] /usr/lib/gcc/i386-redhat-linux/3.4.4/../../../../include/c++/3.4.4/bits/istream.tcc:239: note: std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(long int&) [with _CharT = char, _Traits = std::char_traits<char>] /usr/lib/gcc/i386-redhat-linux/3.4.4/../../../../include/c++/3.4.4/bits/istream.tcc:261: note: std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(long unsigned int&) [with _CharT = char, _Traits = std::char_traits<char>] /usr/lib/gcc/i386-redhat-linux/3.4.4/../../../../include/c++/3.4.4/bits/istream.tcc:284: note: std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(long long int&) [with _CharT = char, _Traits = std::char_traits<char>] /usr/lib/gcc/i386-redhat-linux/3.4.4/../../../../include/c++/3.4.4/bits/istream.tcc:306: note: std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(long long unsigned int&) [with _CharT = char, _Traits = std::char_traits<char>] /usr/lib/gcc/i386-redhat-linux/3.4.4/../../../../include/c++/3.4.4/bits/istream.tcc:329: note: std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(float&) [with _CharT = char, _Traits = std::char_traits<char>] /usr/lib/gcc/i386-redhat-linux/3.4.4/../../../../include/c++/3.4.4/bits/istream.tcc:351: note: std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(double&) [with _CharT = char, _Traits = std::char_traits<char>] /usr/lib/gcc/i386-redhat-linux/3.4.4/../../../../include/c++/3.4.4/bits/istream.tcc:373: note: std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(long double&) [with _CharT = char, _Traits = std::char_traits<char>] /usr/lib/gcc/i386-redhat-linux/3.4.4/../../../../include/c++/3.4.4/bits/istream.tcc:395: note: std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(void*&) [with _CharT = char, _Traits = std::char_traits<char>] /usr/lib/gcc/i386-redhat-linux/3.4.4/../../../../include/c++/3.4.4/bits/istream.tcc:417: note: std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(std::basic_streambuf<_CharT, _Traits>*) [with _CharT = char, _Traits = std::char_traits<char>] /usr/lib/gcc/i386-redhat-linux/3.4.4/../../../../include/c++/3.4.4/istream:692: note: std::basic_istream<char, _Traits>& std::operator>>(std::basic_istream<char, _Traits>&, signed char*) [with _Traits = std::char_traits<char>] /usr/lib/gcc/i386-redhat-linux/3.4.4/../../../../include/c++/3.4.4/istream:687: note: std::basic_istream<char, _Traits>& std::operator>>(std::basic_istream<char, _Traits>&, unsigned char*) [with _Traits = std::char_traits<char>] /usr/lib/gcc/i386-redhat-linux/3.4.4/../../../../include/c++/3.4.4/istream:651: note: std::basic_istream<char, _Traits>& std::operator>>(std::basic_istream<char, _Traits>&, signed char&) [with _Traits = std::char_traits<char>] /usr/lib/gcc/i386-redhat-linux/3.4.4/../../../../include/c++/3.4.4/istream:646: note: std::basic_istream<char, _Traits>& std::operator>>(std::basic_istream<char, _Traits>&, unsigned char&) [with _Traits = std::char_traits<char>] make: *** [load] Error 1