std::cout << " --phmfile Get Phantom from phantom file\n";
std::cout << " --desc Description of raysum\n";
std::cout << " --nray Number of rays per detector (default = 1)\n";
std::cout << " --phmfile Get Phantom from phantom file\n";
std::cout << " --desc Description of raysum\n";
std::cout << " --nray Number of rays per detector (default = 1)\n";