@macrostrat/column-components/dist/chroma-js/src/io/lch/lch2lab.js

React rendering primitives for stratigraphic columns

import { DEG2RAD } from "../../utils/index.js";
import unpack from "../../utils/unpack.js";
const { sin, cos } = Math;
const lch2lab = (...args) => {
  let [l, c, h] = unpack(args, "lch");
  if (isNaN(h)) h = 0;
  h = h * DEG2RAD;
  return [l, cos(h) * c, sin(h) * c];
};
export {
  lch2lab as default
};
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