60         if (command.compare("-density") == 0)  in main()
73         else if (command.compare("-filter") == 0)  in main()
77             if (algorithm.compare("point") == 0)  in main()
79             else if (algorithm.compare("box") == 0)  in main()
81             else if (algorithm.compare("triangle") == 0)  in main()
83             else if (algorithm.compare("hermite") == 0)  in main()
85             else if (algorithm.compare("hanning") == 0)  in main()
87             else if (algorithm.compare("hamming") == 0)  in main()
89             else if (algorithm.compare("blackman") == 0)  in main()
91             else if (algorithm.compare("gaussian") == 0)  in main()
93             else if (algorithm.compare("quadratic") == 0)  in main()
95             else if (algorithm.compare("cubic") == 0)  in main()
97             else if (algorithm.compare("catrom") == 0)  in main()
99             else if (algorithm.compare("mitchell") == 0)  in main()
101             else if (algorithm.compare("lanczos") == 0)  in main()
103             else if (algorithm.compare("bessel") == 0)  in main()
105             else if (algorithm.compare("sinc") == 0)  in main()
107             else if (algorithm.compare("sample") == 0)  in main()
109             else if (algorithm.compare("scale") == 0)  in main()
116         else if (command.compare("-geometry") == 0)  in main()
129         else if (command.compare("-resample") == 0)  in main()