fiber: S7 Data Structures for Diffusion MRI Tractography

Provides three S7 classes — streamline, bundle, and bundle_set — for representing diffusion MRI tractography data in R, together with a concise set of methods for computing shape descriptors (arc-length, curvature, torsion, sinuosity), the Hausdorff distance between streamlines, arc-length reparametrization of streamlines and bundles onto uniform grids, combination of streamlines or bundles into a single bundle, combination of bundles from multiple subjects or sessions into a bundle_set, and coercion to and from the dwiFiber S4 class of the 'dti' package. See Dell'Acqua, F., Descoteaux, M. and Leemans, A. (2024) "Handbook of Diffusion MR Tractography" <doi:10.1016/C2018-0-02520-7> for more about the mathematical and computational underpinnings of diffusion MRI tractography.

Version: 0.1.2
Imports: cli, methods, S7
LinkingTo: cpp11
Suggests: dti, tinytest
Published: 2026-05-30
DOI: 10.32614/CRAN.package.fiber (may not be active yet)
Author: Aymeric Stamm ORCID iD [aut, cre]
Maintainer: Aymeric Stamm <aymeric.stamm at cnrs.fr>
BugReports: https://github.com/tractoverse/fiber/issues
License: MIT + file LICENSE
URL: https://github.com/tractoverse/fiber, https://tractoverse.github.io/fiber/
NeedsCompilation: yes
Materials: README, NEWS
CRAN checks: fiber results

Documentation:

Reference manual: fiber.html , fiber.pdf

Downloads:

Package source: fiber_0.1.2.tar.gz
Windows binaries: r-devel: not available, r-release: not available, r-oldrel: not available
macOS binaries: r-release (arm64): fiber_0.1.2.tgz, r-oldrel (arm64): fiber_0.1.2.tgz, r-release (x86_64): fiber_0.1.2.tgz, r-oldrel (x86_64): fiber_0.1.2.tgz

Linking:

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