c_coords21dindex: Convert physical coordinates to 1d indices into image array

In natcpp: Fast C++ Primitives for the 'NeuroAnatomy Toolbox'

Convert physical coordinates to 1d indices into image array

Description

Convert physical coordinates to 1d indices into image array

Usage

c_coords21dindex(xyz, origin, voxdims, dims, clamp = FALSE)

Arguments

xyz	Nx3 matrix or data.frame of physical coordinates
origin	Numeric: 3d coordinates of the origin
voxdims	Numeric: 3 numbers describing the voxel dimensions
dims	Integer dimensions of the 3d image array
clamp	Logical: whether or not to clamp values within the pixel boundaries of the image.

Value

Nx3 integer matrix of pixel coordinates

natcpp documentation built on Sept. 26, 2026, 9:06 a.m.