.. _tckstats:

tckstats
===================

Synopsis
--------

Calculate statistics on streamlines length

Usage
--------

::

    tckstats [ options ]  tracks_in

-  *tracks_in*: the input track file

Options
-------

-  **-output field** output only the field specified. Multiple such options can be supplied if required. Choices are: mean, median, std, min, max, count. Useful for use in scripts.

-  **-histogram path** output a histogram of streamline lengths

-  **-dump path** dump the streamlines lengths to a text file

-  **-explicit** explicitly calculate the length of each streamline, ignoring any step size information present in the header

-  **-ignorezero** do not generate a warning if the track file contains streamlines with zero length

-  **-tck_weights_in path** specify a text scalar file containing the streamline weights

Standard options
^^^^^^^^^^^^^^^^

-  **-info** display information messages.

-  **-quiet** do not display information messages or progress status. Alternatively, this can be achieved by setting the MRTRIX_QUIET environment variable to a non-empty string.

-  **-debug** display debugging messages.

-  **-force** force overwrite of output files. Caution: Using the same file as input and output might cause unexpected behaviour.

-  **-nthreads number** use this number of threads in multi-threaded applications (set to 0 to disable multi-threading).

-  **-help** display this information page and exit.

-  **-version** display version information and exit.

--------------



**Author:** Robert E. Smith (robert.smith@florey.edu.au)

**Copyright:** Copyright (c) 2008-2018 the MRtrix3 contributors.

This Source Code Form is subject to the terms of the Mozilla Public
License, v. 2.0. If a copy of the MPL was not distributed with this
file, you can obtain one at http://mozilla.org/MPL/2.0/

MRtrix3 is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty
of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

For more details, see http://www.mrtrix.org/


