How can I use Matplotlib with C++?

How can I use Matplotlib with C++?

Matplotlib is primarily a Python library, but you can use it in C++ through a Python interface. Would you like to see an example?

Yes, please provide an example of how to plot a simple graph.

You can use the boost::python library to call Python code from C++. Here's a simple example:

#include <boost/python.hpp>

int main() {
    Py_Initialize();
    try {
        boost::python::object matplotlib = boost::python::import("matplotlib.pyplot");
        matplotlib.attr("plot")(boost::python::list{1, 2, 3}, boost::python::list{4, 5, 6});
        matplotlib.attr("show")();
    } catch (boost::python::error_already_set const &) {
        PyErr_Print();
    }
    Py_Finalize();
    return 0;
}

This code initializes Python, imports Matplotlib, and plots a simple line graph.

What do I need to set up to run this code?

You'll need to have Python and Matplotlib installed, as well as the Boost.Python library. Make sure to link against the Python and Boost libraries when compiling your C++ code.

Are there any limitations when using Matplotlib with C++?

Yes, since Matplotlib is designed for Python, you may encounter limitations in performance and functionality compared to using it directly in Python. Additionally, debugging can be more complex.