@macrostrat/column-components/dist/chroma-js/src/io/temp/rgb2temperature.js

React rendering primitives for stratigraphic columns

import temperature2rgb from "./temperature2rgb.js";
import "../../utils/type.js";
import unpack from "../../utils/unpack.js";
const { round } = Math;
const rgb2temperature = (...args) => {
  const rgb = unpack(args, "rgb");
  const r = rgb[0], b = rgb[2];
  let minTemp = 1e3;
  let maxTemp = 4e4;
  const eps = 0.4;
  let temp;
  while (maxTemp - minTemp > eps) {
    temp = (maxTemp + minTemp) * 0.5;
    const rgb2 = temperature2rgb(temp);
    if (rgb2[2] / rgb2[0] >= b / r) {
      maxTemp = temp;
    } else {
      minTemp = temp;
    }
  }
  return round(temp);
};
export {
  rgb2temperature as default
};
//# sourceMappingURL=rgb2temperature.js.map