import “arc”; import “diagonal”; import “svg”;

d3.svg.diagonal.radial = function() {

var diagonal = d3.svg.diagonal(),
    projection = d3_svg_diagonalProjection,
    projection_ = diagonal.projection;

diagonal.projection = function(x) {
  return arguments.length
      ? projection_(d3_svg_diagonalRadialProjection(projection = x))
      : projection;
};

return diagonal;

};

function d3_svg_diagonalRadialProjection(projection) {

return function() {
  var d = projection.apply(this, arguments),
      r = d[0],
      a = d[1] + d3_svg_arcOffset;
  return [r * Math.cos(a), r * Math.sin(a)];
};

}