Function transform

docs/source/examples/js/ipyvolume_v0.6.0-dev.1.js:10144–10148

(geometry)

  }

  function transform(geometry) {
    geometry.value *= Math.pow(2, -2 * k); // Density in points per square pixel.
    geometry.coordinates.forEach(transformPolygon);
    return geometry;
  }

  function transformPolygon(coordinates) {
    coordinates.forEach(transformRing);