Usage: mrcFFTSpectrum Options: [-i[nput] In (NULL )] :Essential :Input:fft [-o[utput] Out (stdout )] :Optional :Output:spectrum [-n N (1 )] :Optional :n-division: 2PI/n [-axis Axis (0.0 )] :Optional :axis: 0 [-c[onfig] configFile (NULL )] :Optional :ConfigurationFile [-m[ode] mode (0 )] :Optional :Mode ----- Additional Usage -----