Spherical ROI Series Selector

Select voxels within a spherical region.

Usage

sphere_selector(center, radius)

Arguments

center

Numeric vector of length 3 (x, y, z) specifying sphere center

radius

Numeric radius in voxel units

Value

An object of class sphere_selector

Examples

# Select 10-voxel radius sphere around voxel (30, 30, 20)
sel <- sphere_selector(center = c(30, 30, 20), radius = 10)