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The unit system has changed from SI units (m, s, T/m) to μm, ms, and μT/μm throughout all compartment classes and helper functions.
CylinderBundleCompartment$new() no longer accepts
axis, radius, diffusivity,
n_cylinders, axis_concentration,
radius_sd, radial_model, and seed
arguments. It now accepts cylinder_compartments, a list of
CylinderCompartment objects (typically produced by
rcylinders()), and infers axis, radius, and diffusivity
statistics by fitting Watson and Gamma distributions to the provided
compartments.
CylinderCompartment$new() no longer accepts
radius, diffusivity, and
radial_model arguments. It now accepts a
restricted_compartment argument, an instance of a
circularly-shaped compartment class (e.g.,
VanGelderenCompartment$new()).
New bvalue() function to compute the b-value from
gradient pulse parameters.
New FreeCompartment class to model free
unconstrained diffusion.
New GammaDistribution class providing
fit(), random(), get_mean(),
get_variance(), get_shape(), and
get_scale() methods.
New rcylinders() function to sample a list of
CylinderCompartment objects from Watson (axis) and Gamma
(radius, diffusivity) distributions.
New SphereCompartment class to model restricted
diffusion in a sphere.
New WatsonDistribution class providing
fit(), random(), get_axis(), and
get_concentration() methods.
All compartment classes now expose get_parameters()
and get_parameter_names() methods inherited from the new
BaseCompartment base class.
These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.
Health stats visible at Monitor.