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