[C++-sig] Accessing 2D array from python in C++

[shahmi]

Hi, 


I have tried to access/expose 2D array from python in C++ using 
boost::multi_array. Nevertheless, it seems that the 
boost::multi_array<double, 2> datatype is not supported. Is there 
any way to resolve this? My way of accessing it as below: 

            boost::python::object Vp = main_namespace["Vp"]; 
            Vp_cpp = boost::python::extract<boost::multi_array<double, 2> >(Vp); 


I've also tried to try to use 2D vector as below, nonetheless, it still doesn't work:

        boost::python::object Vp = main_namespace["Vp"];
        Vp_cpp = boost::python::extract<std::vector<std::vector<double> > >(Vp);

The error message I received is "TypeError: No registered converter was able to produce a C++ rvalue of type std::vector<std::vector<double, std::allocator<double> >, std::allocator<std::vector<double, std::allocator<double> > > > from this Python object of type matrix"

Thanks in advance.
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