**
** This program is free software; you can redistribute it and/or modify
** it under the terms of the GNU General Public License (version 2) as
**
** This program is free software; you can redistribute it and/or modify
** it under the terms of the GNU General Public License (version 2) as
cout << " --filter-method Filter method before backprojections\n";;
cout << " convolution Spatial filtering (default)\n";
cout << " fourier Frequency filtering with discete fourier\n";
cout << " --filter-method Filter method before backprojections\n";;
cout << " convolution Spatial filtering (default)\n";
cout << " fourier Frequency filtering with discete fourier\n";
#endif
cout << " --zeropad n Set zeropad level (default = 0)\n";
cout << " set n to number of powers to two to pad\n";
#endif
cout << " --zeropad n Set zeropad level (default = 0)\n";
cout << " set n to number of powers to two to pad\n";