Function azimuthalInvert

external/.d3.js:12556–12567

(angle)

}

function azimuthalInvert(angle) {
  return function(x, y) {
    var z = sqrt$2(x * x + y * y),
        c = angle(z),
        sc = sin$1(c),
        cc = cos$1(c);
    return [
      atan2$1(x * sc, z * cc),
      asin$1(z && y * sc / z)
    ];
  }
}

var azimuthalEqualAreaRaw = azimuthalRaw(function(cxcy) {
  return sqrt$2(2 / (1 + cxcy));