Function vsharp_padded 

fn vsharp_padded(
    field: &[f64],
    mask: &[u8],
    grid: &Grid,
    radii: &[f64],
    deconvolve: Option<f64>,
    ball: VsharpBall,
    progress: impl FnMut(usize, usize),
) -> (Vec<f64>, Vec<u8>)

V-SHARP on QSM.jl’s padded box.