test_write.cpp

#include <openPMD_io.hh>

int
main(int argc, char* argv[]) {

    std::string filename = "test_file.json";
    raytracing::openPMD_io iol(filename, "test code");

    iol.init_write(  "2112", 8,raytracing::AUTO, 2);
    std::cout << "filename = " << filename << std::endl;
    raytracing::Ray myray;
    myray.set_position(1, 2, 3);
    //...
    myray.set_direction(1, 1, 1, 1. / sqrt(3));

    // append
    for(size_t i =0; i < 10; ++i){
        iol.trace_write(myray);
    }

    std::cout << "trace write done" << std::endl;
    iol.save_write();
    std::cout << "save write done" << std::endl;
    return 0;
}