node-red-contrib-tak-registration/node_modules/d3-geo/src/projection/conic.js

A Node-RED node to register to TAK and to help wrap files as datapackages to send to TAK

import {degrees, pi, radians} from "../math";
import {projectionMutator} from "./index";

export function conicProjection(projectAt) {
  var phi0 = 0,
      phi1 = pi / 3,
      m = projectionMutator(projectAt),
      p = m(phi0, phi1);

  p.parallels = function(_) {
    return arguments.length ? m(phi0 = _[0] * radians, phi1 = _[1] * radians) : [phi0 * degrees, phi1 * degrees];
  };

  return p;
}