if(argc != 2) { std::cout << "Usage: " << argv[0] << " Filename(.obj)" << std::endl; return EXIT_FAILURE; } whats that mean ?? now this is coming -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://www.vtk.org/pipermail/vtkusers/attachments/20130821/b0970df3/attachment.htm>