AFNI program: 3dRank
Output of -help
Usage: 3dRank [-prefix PREFIX] <-input DATASET1 [DATASET2 ...]>
Replaces voxel values by their rank in the set of
values collected over all voxels in all input datasets
If you input one dataset, the output should be identical
to the -1rank option in 3dmerge
This program only works on datasets of integral storage type,
and on integral valued data stored as floats.
-input DATASET1 [DATASET2 ...]: Input datasets.
Acceptable data types are:
byte, short, and floats.
-prefix PREFIX: Output prefix.
If you have multiple datasets on input
the prefix is preceded by r00., r01., etc.
If no prefix is given, the default is
rank.DATASET1, rank.DATASET2, etc.
In addition to the ranked volume, a rank map
1D file is created. It shows the mapping from
the rank (1st column) to the integral values
(2nd column) in the input dataset. Sub-brick float
factors are ignored.
-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 = Apr 18 2024 {AFNI_24.1.03:linux_ubuntu_16_64}
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