Function blurh

external/.d3.js:151–155

(blur, T, S, w, h)

}

function blurh(blur, T, S, w, h) {
  for (let y = 0, n = w * h; y < n;) {
    blur(T, S, y, y += w, 1);
  }
}

function blurv(blur, T, S, w, h) {
  for (let x = 0, n = w * h; x < w; ++x) {