Function spherical

external/.d3.js:9989–9991

(cartesian)

}

function spherical(cartesian) {
  return [atan2$1(cartesian[1], cartesian[0]), asin$1(cartesian[2])];
}

function cartesian(spherical) {
  var lambda = spherical[0], phi = spherical[1], cosPhi = cos$1(phi);