Convert physical coordinates to 1d indices into image array — c_coords21dindex • natcpp

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