:orphan: .. _ahelp_3dExchange: ********** 3dExchange ********** .. contents:: :local: | .. code-block:: none Usage: 3dExchange [-prefix PREFIX] <-input DATASET> Replaces voxel values using mapping file with two columns of numbers with the first column of the input value and the second has the output value -input DATASET : Input dataset Acceptable data types are: byte, short, and floats. -map MAPCOLS.1D : Mapping columns - input is first column output is second column -prefix PREFIX: Output prefix -ver = print author and version info -help = print this help screen INPUT DATASET NAMES ------------------- This program accepts datasets that are modified on input according to the following schemes: 'r1+orig[3..5]' {sub-brick selector} 'r1+orig<100..200>' {sub-range selector} 'r1+orig[3..5]<100..200>' {both selectors} '3dcalc( -a r1+orig -b r2+orig -expr 0.5*(a+b) )' {calculation} For the gruesome details, see the output of 'afni -help'. ++ Compile date = Oct 13 2022 {AFNI_22.3.03:linux_ubuntu_16_64}