fsbrain (version 1.0.0)

shell.levels: Compute the iso-levels of the shells.

Description

Compute the iso-levels of the shells.

Usage

shell.levels(
  volume,
  levels = NULL,
  num_levels = 5L,
  level_type = "quantile",
  level_range = c(0.2, 0.95)
)

Value

ascending numerical vector of levels, the outermost shell first.

Arguments

volume

a 3D numerical array.

levels

numerical vector or NULL, the levels given by the user.

num_levels

positive integer, the number of shells to compute if levels is NULL.

level_type

character string, 'quantile' or 'linear'.

level_range

numerical vector of length 2, the range from which the levels are taken.