pub(super) const SIGMA_CUTOFF: f32 = 3.;
pub(super) const SIGMA_PER_DIAMETER: f64 = 1. / 4.;
pub(super) const RIDGE_GAIN: f32 = 5.075688;

pub(super) const LUT_SIZE: u32 = 256;
pub(super) const LUT_V_MAX: f64 = 7.5;
pub(super) const LUT_T_MAX: f64 = 7.5;
pub(super) const LUT_CACHE_SIZE: usize = 64;