+void
+interactive_usage ()
+{
+ std::cout << "usage: function-name parameters...\n";
+ std::cout << "Available functions:\n";
+ std::cout << " ifinfo Image file information\n";
+ std::cout << " if1 Single image file conversion\n";
+ std::cout << " if2 Dual image file conversions\n";
+ std::cout << " pjrec Projection reconstruction\n";
+ std::cout << " pjinfo Projection file information\n";
+ std::cout << " phm2if Convert a geometric phantom into an imagefile\n";
+ std::cout << " phm2pj Take projections of a phantom object\n";
+ std::cout << " ifexport Export an imagefile to a graphics file\n";
+ std::cout << " pj2if Convert an projection file into an imagefile\n";
+ std::cout << " quit Quits shell\n";
+ std::cout << "All functions accept --help as parameter for online help\n\n";
+}
+
+static bool s_bInteractive = false;
+