[Mrtrix-discussion] Preview of next MRtrix major release

[Donald Tournier]

Hi everyone,

We are pleased to announce the availability of the next major iteration of
MRtrix, MRtrix3. This is a pre-release for interested users, and is hosted
on GitHub at the following address:
https://github.com/jdtournier/mrtrix3/wiki, along with instructions for
installation on all supported platforms (GNU/Linux, MS Windows, MacOSX).
The full official release will happen hopefully within the next few months.

As many of you will know, we've been working these last few years on this
next major version of MRtrix. This is an almost complete rewrite of the
previous version, with a host of new features including a faster CSD
implementation, the iFOD2 tractography algorithm, ACT, SIFT & TWI, and a
brand new viewer with volume rendering. In due course, it will also include
tools for AFD analysis, and a more robust version of CSD as presented at
last year's ISMRM, amongst other things.

While you're more than welcome to try it out and use it, please bear in
mind that this is not an official release, and there are likely to be
further significant changes to the code over the coming months. That said,
the code is now very stable and I don't anticipate future changes will
cause too many issues for users. Obviously please provide feedback if you
do encounter any issues.

One important difference between this and the previous 0.2.x versions is
the switch to an orthonormal spherical harmonic basis. What this means in
practice is that FOD images generated in one version should not be used in
the other. Please refer to the relevant wiki page for
details<https://github.com/jdtournier/mrtrix3/wiki/Orthonormal-SH-basis>
.

It is also worth mentioning that the viewer uses OpenGL version 3, which
requires a decent graphics card with modern drivers. On Linux, this means
nVIDIA or AMD proprietary drivers (not the open-source ones). It also means
that the viewer will NOT work in a virtual machine or over a remote X11
connection. Thankfully this shouldn't be a problem since this version of
MRtrix can be installed natively on all platforms relatively easily.

Feel free to approach us at the ISMRM if you have any questions!

Cheers,

Donald & the MRtrix team: David Raffelt, Robert Smith, Ben Jeurissen

--
Dr J-Donald Tournier (PhD)

Senior Lecturer, Biomedical Engineering
Division of Imaging Sciences & Biomedical Engineering
King's College London

A: Department of Perinatal Imaging & Health, 1st Floor South Wing, St
Thomas' Hospital, London. SE1 7EH
T: +44 (0)20 7188 7118 ext 53613
W:
http://www.kcl.ac.uk/medicine/research/divisions/imaging/departments/biomedengineering
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