56     int argv_index=1;  in main()  local
57     while ((argv_index < argc - 2) && (*argv[argv_index] == '-'))  in main()
59         std::string command(argv[argv_index]);  in main()
62             argv_index++;  in main()
64               density=Geometry(argv[argv_index]);  in main()
68                 ParseError(argv_index,argv);  in main()
70             argv_index++;  in main()
75             argv_index++;  in main()
76             std::string algorithm(argv[argv_index]);  in main()
112               ParseError(argv_index,argv);  in main()
113             argv_index++;  in main()
118             argv_index++;  in main()
120               geometry=Geometry(argv[argv_index]);  in main()
124                 ParseError(argv_index,argv);  in main()
126             argv_index++;  in main()
131             argv_index++;  in main()
133               resample=Geometry(argv[argv_index]);  in main()
137                 ParseError(argv_index,argv);  in main()
139             argv_index++;  in main()
142         ParseError(argv_index,argv);  in main()
145     if (argv_index>argc-1)  in main()
146       ParseError(argv_index,argv);  in main()
147     std::string input_file(argv[argv_index]);  in main()
148     argv_index++;  in main()
149     if (argv_index>argc)  in main()
150       ParseError(argv_index,argv);  in main()
151     std::string output_file(argv[argv_index]);  in main()