AFNI program: 3dCM
Output of -help
Usage: 3dCM [options] dset
Output = center of mass of dataset, to stdout.
-mask mset Means to use the dataset 'mset' as a mask:
Only voxels with nonzero values in 'mset'
will be averaged from 'dataset'. Note
that the mask dataset and the input dataset
must have the same number of voxels.
-automask Generate the mask automatically.
-set x y z After computing the CM of the dataset, set the
origin fields in the header so that the CM
will be at (x,y,z) in DICOM coords.
++ Compile date = Jan 29 2009
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Fri Jan 30 20:02:20 EST 2009