Function orthographic

external/.d3.js:12880–12884

()

orthographicRaw.invert = azimuthalInvert(asin$1);

function orthographic() {
  return projection(orthographicRaw)
      .scale(249.5)
      .clipAngle(90 + epsilon$1);
}

function stereographicRaw(x, y) {
  var cy = cos$1(y), k = 1 + cos$1(x) * cy;