text: // https://d3js.org Version 4.5.0. Copyright 2017 Mike Bostock.
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M = !0 : w = !0), O = t, b = !0, ud(), o() } function o() { var t; switch (m = O[0] - D[0], x = O[1] - D[1], k) { case cd: case ad: S && (m = Math.max(P - l, Math.min(q - v, m)), h = l + m, _ = v + m), E && (x = Math.max(R - p, Math.min(L - y, x)), d = p + x, g = y + x); break; case sd: S < 0 ? (m = Math.max(P - l, Math.min(q - l, m)), h = l + m, _ = v) : S > 0 && (m = Math.max(P - v, Math.min(q - v, m)), h = l, _ = v + m), E < 0 ? (x = Math.max(R - p, Math.min(L - p, x)), d = p + x, g = y) : E > 0 && (x = Math.max(R - y, Math.min(L - y, x)), d = p, g = y + x); break; case fd: S && (h = Math.max(P, Math.min(q, l - m * S)), _ = Math.max(P, Math.min(q, v + m * S))), E && (d = Math.max(R, Math.min(L, p - x * E)), g = Math.max(R, Math.min(L, y + x * E))) }_ < h && (S *= -1, t = l, l = v, v = t, t = h, h = _, _ = t, N in vd && Y.attr("cursor", dd[N = vd[N]])), g < d && (E *= -1, t = p, p = y, y = t, t = d, d = g, g = t, N in _d && Y.attr("cursor", dd[N = _d[N]])), A.selection && (z = A.selection), w && (h = z[0][0], _ = z[1][0]), M && (d = z[0][1], g = z[1][1]), z[0][0] === h && z[0][1] === d && z[1][0] === _ && z[1][1] === g || (A.selection = [[h, d], [_, g]], r.call(T), F.brush()) } function u() { if (be(), t.event.touches) { if (t.event.touches.length) return; c && clearTimeout(c), c = setTimeout(function () { c = null }, 500), I.on("touchmove.brush touchend.brush touchcancel.brush", null) } else _t(t.event.view, b), B.on("keydown.brush keyup.brush mousemove.brush mouseup.brush", null); I.attr("pointer-events", "all"), Y.attr("cursor", dd.overlay), A.selection && (z = A.selection), ke(z) && (A.selection = null, r.call(T)), F.end() } function a() { switch (t.event.keyCode) { case 16: U = S && E; break; case 18: k === sd && (S && (v = _ - m * S, l = h + m * S), E && (y = g - x * E, p = d + x * E), k = fd, o()); break; case 32: k !== sd && k !== fd || (S < 0 ? v = _ - m : S > 0 && (l = h - m), E < 0 ? y = g - x : E > 0 && (p = d - x), k = cd, Y.attr("cursor", dd.selection), o()); break; default: return }ud() } function s() { switch (t.event.keyCode) { case 16: U && (w = M = U = !1, o()); break; case 18: k === fd && (S < 0 ? v = _ : S > 0 && (l = h), E < 0 ? y = g : E > 0 && (p = d), k = sd, o()); break; case 32: k === cd && (t.event.altKey ? (S && (v = _ - m * S, l = h + m * S), E && (y = g - x * E, p = d + x * E), k = fd) : (S < 0 ? v = _ : S > 0 && (l = h), E < 0 ? y = g : E > 0 && (p = d), k = sd), Y.attr("cursor", dd[N]), o()); break; default: return }ud() } if (t.event.touches) { if (t.event.changedTouches.length < t.event.touches.length) return ud() } else if (c) return; if (f.apply(this, arguments)) { var l, h, p, d, v, _, y, g, m, x, b, w, M, T = this, N = t.event.target.__data__.type, k = "selection" === (t.event.metaKey ? N = "overlay" : N) ? ad : t.event.altKey ? fd : sd, S = n === hd ? null : yd[N], E = n === ld ? null : gd[N], A = Ne(T), C = A.extent, z = A.selection, P = C[0][0], R = C[0][1], q = C[1][0], L = C[1][1], U = S && E && t.event.shiftKey, D = zf(T), O = D, F = i(T, arguments).beforestart(); "overlay" === N ? A.selection = z = [[l = n === hd ? P : D[0], p = n === ld ? R : D[1]], [v = n === hd ? q : l, y = n === ld ? L : p]] : (l = z[0][0], p = z[0][1], v = z[1][0], y = z[1][1]), h = l, d = p, _ = v, g = y; var I = pl(T).attr("pointer-events", "none"), Y = I.selectAll(".overlay").attr("cursor", dd[N]); if (t.event.touches) I.on("touchmove.brush", e, !0).on("touchend.brush touchcancel.brush", u, !0); else { var B = pl(t.event.view).on("keydown.brush", a, !0).on("keyup.brush", s, !0).on("mousemove.brush", e, !0).on("mouseup.brush", u, !0); gl(t.event.view) } be(), op(T), r.call(T), F.start() } } function a() { var t = this.__brush || { selection: null }; return t.extent = s.apply(this, arguments), t.dim = n, t } var c, s = Te, f = Me, l = p(e, "start", "brush", "end"), h = 6; return e.move = function (t, e) { t.selection ? t.on("start.brush", function () { i(this, arguments).beforestart().start() }).on("interrupt.brush end.brush", function () { i(this, arguments).end() }).tween("brush", function () { function t(t) { u.selection = 1 === t && ke(s) ? null : f(t), r.call(o), a.brush() } var o = this, u = o.__brush, a = i(o, arguments), c = u.selection, s = n.input("function" == typeof e ? e.apply(this, arguments) : e, u.extent), f = mh(c, s); return c && s ? t : t(1) }) : t.each(function () { var t = this, o = arguments, u = t.__brush, a = n.input("function" == typeof e ? e.apply(t, o) : e, u.extent), c = i(t, o).beforestart(); op(t), u.selection = null == a || ke(a) ? null : a, r.call(t), c.start().brush().end() }) }, o.prototype = { beforestart: function () { return 1 === ++this.active && (this.state.emitter = this, this.starting = !0), this }, start: function () { return this.starting && (this.starting = !1, this.emit("start")), this }, brush: function () { return this.emit("brush"), this }, end: function () { return 0 === --this.active && (delete this.state.emitter, this.emit("end")), this }, emit: function (t) { S(new od(e, t, n.output(this.state.selection)), l.apply, l, [t, this.that, this.args]) } }, e.extent = function (t) { return arguments.length ? (s = "function" == typeof t ? t : id([[+t[0][0], +t[0][1]], [+t[1][0], +t[1][1]]]), e) : s }, e.filter = function (t) { return arguments.length ? (f = "function" == typeof t ? t : id(!!t), e) : f }, e.handleSize = function (t) { return arguments.length ? 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(c = !0, f = "g") : Av[f] || (f = ""), (u || "0" === e && "=" === r) && (u = !0, e = "0", r = "="), this.fill = e, this.align = r, this.sign = i, this.symbol = o, this.zero = u, this.width = a, this.comma = c, this.precision = s, this.type = f } function lr(t) { return t } function hr(n) {
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(u = o[1] * M_, u > Wv && (Wv = u)) : (s = (s + 360) % 360 - 180, f ^ (c * $v < s && s < c * t) ? (u = -o[1] * M_, u < Xv && (Xv = u)) : (n < Xv && (Xv = n), n > Wv && (Wv = n))), f ? t < $v ? Ir(Hv, t) > Ir(Hv, Vv) && (Vv = t) : Ir(t, Vv) > Ir(Hv, Vv) && (Hv = t) : Vv >= Hv ? (t < Hv && (Hv = t), t > Vv && (Vv = t)) : t > $v ? Ir(Hv, t) > Ir(Hv, Vv) && (Vv = t) : Ir(t, Vv) > Ir(Hv, Vv) && (Hv = t) } else Rr(t, n); Jv = e, $v = t } function Lr() { X_.point = qr } function Ur() { Kv[0] = Hv, Kv[1] = Vv, X_.point = Rr, Jv = null } function Dr(t, n) { if (Jv) { var e = t - $v; H_.add(N_(e) > 180 ? e + (e > 0 ? 360 : -360) : e) } else Zv = t, Gv = n; B_.point(t, n), qr(t, n) } function Or() { B_.lineStart() } function Fr() { Dr(Zv, Gv), B_.lineEnd(), N_(H_) > y_ && (Hv = -(Vv = 180)), Kv[0] = Hv, Kv[1] = Vv, Jv = null } function Ir(t, n) { return (n -= t) < 0 ? n + 360 : n } function Yr(t, n) { return t[0] - n[0] } function Br(t, n) { return t[0] <= t[1] ? t[0] <= n && n <= t[1] : n < t[0] || t[1] < n } function jr(t, n) { t *= T_, n *= T_; var e = E_(n); Hr(e * E_(t), e * R_(t), R_(n)) } function Hr(t, n, e) { ++t_, e_ += (t - e_) / t_, r_ += (n - r_) / t_, i_ += (e - i_) / t_ } function Xr() { W_.point = Vr } function Vr(t, n) { t *= T_, n *= T_; var e = E_(n); p_ = e * E_(t), d_ = e * R_(t), v_ = R_(n), W_.point = Wr, Hr(p_, d_, v_) } function Wr(t, n) { t *= T_, n *= T_; var e = E_(n), r = e * E_(t), i = e * R_(t), o = R_(n), u = S_(L_((u = d_ * o - v_ * i) * u + (u = v_ * r - p_ * o) * u + (u = p_ * i - d_ * r) * u), p_ * r + d_ * i + v_ * o); n_ += u, o_ += u * (p_ + (p_ = r)), u_ += u * (d_ + (d_ = i)), a_ += u * (v_ + (v_ = o)), Hr(p_, d_, v_) } function $r() { W_.point = jr } function Zr() { W_.point = Jr } function Gr() { Qr(l_, h_), W_.point = jr } function Jr(t, n) { l_ = t, h_ = n, t *= T_, n *= T_, W_.point = Qr; var e = E_(n); p_ = e * E_(t), d_ = e * R_(t), v_ = R_(n), Hr(p_, d_, v_) } function Qr(t, n) { t *= T_, n *= T_; var e = E_(n), r = e * E_(t), i = e * R_(t), o = R_(n), u = d_ * o - v_ * i, a = v_ * r - p_ * o, c = p_ * i - d_ * r, s = L_(u * u + a * a + c * c), f = p_ * r + d_ * i + v_ * o, l = s && -vr(f) / s, h = S_(s, f); c_ += l * u, s_ += l * a, f_ += l * c, n_ += h, o_ += h * (p_ + (p_ = r)), u_ += h * (d_ + (d_ = i)), a_ += h * (v_ + (v_ = o)), Hr(p_, d_, v_) } function Kr(t, n) { return [t > m_ ? t - w_ : t < -m_ ? t + w_ : t, n] } function ti(t, n, e) { return (t %= w_) ? n || e ? 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(M || (k.lineStart(), k.point(c[0], c[1])), k.point(s[0], s[1]), a || k.lineEnd(), N = !1) : a && (k.lineStart(), k.point(o, u), N = !1) } b = o, w = u, M = a } var v, _, y, g, m, x, b, w, M, T, N, k = u, S = fy(), E = { point: c, lineStart: h, lineEnd: p, polygonStart: f, polygonEnd: l }; return E } } function si() { gy.point = li, gy.lineEnd = fi } function fi() { gy.point = gy.lineEnd = gr } function li(t, n) { t *= T_, n *= T_, J_ = t, Q_ = R_(n), K_ = E_(n), gy.point = hi } function hi(t, n) { t *= T_, n *= T_; var e = R_(n), r = E_(n), i = N_(t - J_), o = E_(i), u = R_(i), a = r * u, c = K_ * e - Q_ * r * o, s = Q_ * e + K_ * r * o; yy.add(S_(L_(a * a + c * c), s)), J_ = t, Q_ = e, K_ = r } function pi(t, n, e) { var r = Is(t, n - y_, e).concat(n); return function (t) { return r.map(function (n) { return [t, n] }) } } function di(t, n, e) { var r = Is(t, n - y_, e).concat(n); return function (t) { return r.map(function (n) { return [n, t] }) } } function vi() { function t() { return { type: "MultiLineString", coordinates: n() } } function n() { return Is(A_(o / _) * _, i, _).map(h).concat(Is(A_(s / y) * y, c, y).map(p)).concat(Is(A_(r / d) * d, e, d).filter(function (t) { return N_(t % _) > y_ }).map(f)).concat(Is(A_(a / v) * v, u, v).filter(function (t) { return N_(t % y) > y_ }).map(l)) } var e, r, i, o, u, a, c, s, f, l, h, p, d = 10, v = d, _ = 90, y = 360, g = 2.5; return t.lines = function () { return n().map(function (t) { return { type: "LineString", coordinates: t } }) }, t.outline = function () { return { type: "Polygon", coordinates: [h(o).concat(p(c).slice(1), h(i).reverse().slice(1), p(s).reverse().slice(1))] } }, t.extent = function (n) { return arguments.length ? t.extentMajor(n).extentMinor(n) : t.extentMinor() }, t.extentMajor = function (n) { return arguments.length ? (o = +n[0][0], i = +n[1][0], s = +n[0][1], c = +n[1][1], o > i && (n = o, o = i, i = n), s > c && (n = s, s = c, c = n), t.precision(g)) : [[o, s], [i, c]] }, t.extentMinor = function (n) { return arguments.length ? (r = +n[0][0], e = +n[1][0], a = +n[0][1], u = +n[1][1], r > e && (n = r, r = e, e = n), a > u && (n = a, a = u, u = n), t.precision(g)) : [[r, a], [e, u]] }, t.step = function (n) { return arguments.length ? t.stepMajor(n).stepMinor(n) : t.stepMinor() }, t.stepMajor = function (n) { return arguments.length ? (_ = +n[0], y = +n[1], t) : [_, y] }, t.stepMinor = function (n) { return arguments.length ? (d = +n[0], v = +n[1], t) : [d, v] }, t.precision = function (n) { return arguments.length ? 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(t.point(e, r = (r + u) / 2 > 0 ? x_ : -x_), t.point(i, r), t.lineEnd(), t.lineStart(), t.point(a, r), t.point(o, r), n = 0) : i !== a && c >= m_ && (N_(e - i) < y_ && (e -= i * y_), N_(o - a) < y_ && (o -= a * y_), r = Di(e, r, o, u), t.point(i, r), t.lineEnd(), t.lineStart(), t.point(a, r), n = 0), t.point(e = o, r = u), i = a }, lineEnd: function () { t.lineEnd(), e = r = NaN }, clean: function () { return 2 - n } } } function Di(t, n, e, r) { var i, o, u = R_(t - e); return N_(u) > y_ ? k_((R_(n) * (o = E_(r)) * R_(e) - R_(r) * (i = E_(n)) * R_(t)) / (i * o * u)) : (n + r) / 2 } function Oi(t, n, e, r) { var i; if (null == t) i = e * x_, r.point(-m_, i), r.point(0, i), r.point(m_, i), r.point(m_, 0), r.point(m_, -i), r.point(0, -i), r.point(-m_, -i), r.point(-m_, 0), r.point(-m_, i); else if (N_(t[0] - n[0]) > y_) { var o = t[0] < n[0] ? m_ : -m_; i = e * o / 2, r.point(-o, i), r.point(0, i), r.point(o, i) } else r.point(n[0], n[1]) } function Fi(t) { return function (n) { var e = new Ii; for (var r in t) e[r] = t[r]; return e.stream = n, e } } function Ii() { } function Yi(t, n, e) { var r = n[1][0] - n[0][0], i = n[1][1] - n[0][1], o = t.clipExtent && t.clipExtent(); t.scale(150).translate([0, 0]), null != o && t.clipExtent(null), F_(e, t.stream(Py)); var u = Py.result(), a = Math.min(r / (u[1][0] - u[0][0]), i / (u[1][1] - u[0][1])), c = +n[0][0] + (r - a * (u[1][0] + u[0][0])) / 2, s = +n[0][1] + (i - a * (u[1][1] + u[0][1])) / 2; return null != o && t.clipExtent(o), t.scale(150 * a).translate([c, s]) } function Bi(t, n, e) { return Yi(t, [[0, 0], n], e) } function ji(t) { return Fi({ point: function (n, e) { n = t(n, e), this.stream.point(n[0], n[1]) } }) } function Hi(t, n) { function e(r, i, o, u, a, c, s, f, l, h, p, d, v, _) { var y = s - r, g = f - i, m = y * y + g * g; if (m > 4 * n && v--) { var x = u + h, b = a + p, w = c + d, M = L_(x * x + b * b + w * w), T = _r(w /= M), N = N_(N_(w) - 1) < y_ || N_(o - l) < y_ ? (o + l) / 2 : S_(b, x), k = t(N, T), S = k[0], E = k[1], A = S - r, C = E - i, z = g * A - y * C; (z * z / m > n || N_((y * A + g * C) / m - .5) > .3 || u * h + a * p + c * d < Jy) && (e(r, i, o, u, a, c, S, E, N, x /= M, b /= M, w, v, _), _.point(S, E), e(S, E, N, x, b, w, s, f, l, h, p, d, v, _)) } } return function (n) { function r(e, r) { e = t(e, r), n.point(e[0], e[1]) } function i() { y = NaN, w.point = o, n.lineStart() } function o(r, i) { var o = Sr([r, i]), u = t(r, i); e(y, g, _, m, x, b, y = u[0], g = u[1], _ = r, m = o[0], x = o[1], b = o[2], Gy, n), n.point(y, g) } function u() { w.point = r, n.lineEnd() } function a() { i(), w.point = c, w.lineEnd = s } function c(t, n) { o(f = t, n), l = y, h = g, p = m, d = x, v = b, w.point = o } function s() { e(y, g, _, m, x, b, l, h, f, p, d, v, Gy, n), w.lineEnd = u, u() } var f, l, h, p, d, v, _, y, g, m, x, b, w = { point: r, lineStart: i, lineEnd: u, polygonStart: function () { n.polygonStart(), w.lineStart = a }, polygonEnd: function () { n.polygonEnd(), w.lineStart = i } }; return w } } function Xi(t) { return Vi(function () { return t })() } function Vi(t) { function n(t) { return t = f(t[0] * T_, t[1] * T_), [t[0] * _ + a, c - t[1] * _] } function e(t) { return t = f.invert((t[0] - a) / _, (c - t[1]) / _), t && [t[0] * M_, t[1] * M_] } function r(t, n) { return t = u(t, n), [t[0] * _ + a, c - t[1] * _] } function i() { f = G_(s = ti(b, w, M), u); var t = u(m, x); return a = y - t[0] * _, c = g + t[1] * _, o() } function o() { return d = v = null, n } var u, a, c, s, f, l, h, p, d, v, _ = 150, y = 480, g = 250, m = 0, x = 0, b = 0, w = 0, M = 0, T = null, N = Wy, k = null, S = Ty, E = .5, A = Qy(r, E); return n.stream = function (t) { return d && v === t ? d : d = Ky(N(s, A(S(v = t)))) }, n.clipAngle = function (t) { return arguments.length ? 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(A = Qy(r, E = t * t), o()) : L_(E) }, n.fitExtent = function (t, e) { return Yi(n, t, e) }, n.fitSize = function (t, e) { return Bi(n, t, e) }, function () { return u = t.apply(this, arguments), n.invert = u.invert && e, i() } } function Wi(t) { var n = 0, e = m_ / 3, r = Vi(t), i = r(n, e); return i.parallels = function (t) { return arguments.length ? r(n = t[0] * T_, e = t[1] * T_) : [n * M_, e * M_] }, i } function $i(t) { function n(t, n) { return [t * e, R_(n) / e] } var e = E_(t); return n.invert = function (t, n) { return [t / e, _r(n * e)] }, n } function Zi(t, n) { function e(t, n) { var e = L_(o - 2 * i * R_(n)) / i; return [e * R_(t *= i), u - e * E_(t)] } var r = R_(t), i = (r + R_(n)) / 2; if (N_(i) < y_) return $i(t); var o = 1 + r * (2 * i - r), u = L_(o) / i; return e.invert = function (t, n) { var e = u - n; return [S_(t, N_(e)) / i * q_(e), _r((o - (t * t + e * e) * i * i) / (2 * i))] }, e } function Gi(t) { var n = t.length; return { point: function (e, r) { for (var i = -1; ++i < n;)t[i].point(e, r) }, sphere: function () { for (var e = -1; ++e < n;)t[e].sphere() }, lineStart: function () { for (var e = -1; ++e < n;)t[e].lineStart() }, lineEnd: function () { for (var e = -1; ++e < n;)t[e].lineEnd() }, polygonStart: function () { for (var e = -1; ++e < n;)t[e].polygonStart() }, polygonEnd: function () { for (var e = -1; ++e < n;)t[e].polygonEnd() } } } function Ji(t) { return function (n, e) { var r = E_(n), i = E_(e), o = t(r * i); return [o * i * R_(n), o * R_(e)] } } function Qi(t) { return function (n, e) { var r = L_(n * n + e * e), i = t(r), o = R_(i), u = E_(i); return [S_(n * o, r * u), _r(r && e * o / r)] } } function Ki(t, n) { return [t, z_(U_((x_ + n) / 2))] } function to(t) { var n, e = Xi(t), r = e.scale, i = e.translate, o = e.clipExtent; return e.scale = function (t) { return arguments.length ? 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(e.invert = function (t, n) { var e = o - n, r = q_(i) * L_(t * t + e * e); return [S_(t, N_(e)) / i * q_(e), 2 * k_(P_(o / r, 1 / i)) - x_] }, e) : Ki } function ro(t, n) { return [t, n] } function io(t, n) { function e(t, n) { var e = o - n, r = i * t; return [e * R_(r), o - e * E_(r)] } var r = E_(t), i = t === n ? R_(t) : (r - E_(n)) / (n - t), o = r / i + t; return N_(i) < y_ ? ro : (e.invert = function (t, n) { var e = o - n; return [S_(t, N_(e)) / i * q_(e), o - q_(i) * L_(t * t + e * e)] }, e) } function oo(t, n) { var e = E_(n), r = E_(t) * e; return [e * R_(t) / r, R_(n) / r] } function uo(t, n, e, r) { return 1 === t && 1 === n && 0 === e && 0 === r ? Ty : Fi({ point: function (i, o) { this.stream.point(i * t + e, o * n + r) } }) } function ao(t, n) { return [E_(n) * R_(t), R_(n)] } function co(t, n) { var e = E_(n), r = 1 + E_(t) * e; return [e * R_(t) / r, R_(n) / r] } function so(t, n) { return [z_(U_((x_ + n) / 2)), -t] } function fo(t, n) { return t.parent === n.parent ? 1 : 2 } function lo(t) { return t.reduce(ho, 0) / t.length } function ho(t, n) { return t + n.x } function po(t) { return 1 + t.reduce(vo, 0) } function vo(t, n) { return Math.max(t, n.y) } function _o(t) { for (var n; n = t.children;)t = n[0]; return t } function yo(t) { for (var n; n = t.children;)t = n[n.length - 1]; return t } function go(t) { var n = 0, e = t.children, r = e && e.length; if (r) for (; --r >= 0;)n += e[r].value; else n = 1; t.value = n } function mo(t, n) { if (t === n) return t; var e = t.ancestors(), r = n.ancestors(), i = null; for (t = e.pop(), n = r.pop(); t === n;)i = t, t = e.pop(), n = r.pop(); return i } function xo(t, n) { var e, r, i, o, u, a = new No(t), c = +t.value && (a.value = t.value), s = [a]; for (null == n && (n = wo); e = s.pop();)if (c && (e.value = +e.data.value), (i = n(e.data)) && (u = i.length)) for (e.children = new Array(u), o = u - 1; o >= 0; --o)s.push(r = e.children[o] = new No(i[o])), r.parent = e, r.depth = e.depth + 1; return a.eachBefore(To) } function bo() { return xo(this).eachBefore(Mo) } function wo(t) { return t.children } function Mo(t) { t.data = t.data.data } function To(t) { var n = 0; do t.height = n; while ((t = t.parent) && t.height < ++n) } function No(t) { this.data = t, this.depth = this.height = 0, this.parent = null } function ko(t) { this._ = t, this.next = null } function So(t, n) { var e = n.x - t.x, r = n.y - t.y, i = t.r - n.r; return i * i + 1e-6 > e * e + r * r } function Eo(t, n) { var e, r, i, o = null, u = t.head; switch (n.length) { case 1: e = Ao(n[0]); break; case 2: e = Co(n[0], n[1]); break; case 3: e = zo(n[0], n[1], n[2]) }for (; u;)i = u._, r = u.next, e && So(e, i) ? o = u : (o ? 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Math.max(0, Math.min(1, o)) : o) } var e = 0, r = 1, i = !1; return n.domain = function (t) { return arguments.length ? (e = +t[0], r = +t[1], n) : [e, r] }, n.clamp = function (t) { return arguments.length ? (i = !!t, n) : i }, n.interpolator = function (e) { return arguments.length ? (t = e, n) : t }, n.copy = function () { return $a(t).domain([e, r]).clamp(i) }, Nu(n) } function Za(t) { return t.innerRadius } function Ga(t) { return t.outerRadius } function Ja(t) { return t.startAngle } function Qa(t) { return t.endAngle } function Ka(t) { return t && t.padAngle } function tc(t) { return t >= 1 ? lb : t <= -1 ? -lb : Math.asin(t) } function nc(t, n, e, r, i, o, u, a) { var c = e - t, s = r - n, f = u - i, l = a - o, h = (f * (n - o) - l * (t - i)) / (l * c - f * s); return [t + h * c, n + h * s] } function ec(t, n, e, r, i, o, u) { var a = t - e, c = n - r, s = (u ? o : -o) / Math.sqrt(a * a + c * c), f = s * c, l = -s * a, h = t + f, p = n + l, d = e + f, v = r + l, _ = (h + d) / 2, y = (p + v) / 2, g = d - h, m = v - p, x = g * g + m * m, b = i - o, w = h * v - d * p, M = (m < 0 ? -1 : 1) * Math.sqrt(Math.max(0, b * b * x - w * w)), T = (w * m - g * M) / x, N = (-w * g - m * M) / x, k = (w * m + g * M) / x, S = (-w * g + m * M) / x, E = T - _, A = N - y, C = k - _, z = S - y; return E * E + A * A > C * C + z * z && (T = k, N = S), { cx: T, cy: N, x01: -f, y01: -l, x11: T * (i / b - 1), y11: N * (i / b - 1) } } function rc(t) { this._context = t } function ic(t) { return t[0] } function oc(t) { return t[1] } function uc(t) { this._curve = t } function ac(t) { function n(n) { return new uc(t(n)) } return n._curve = t, n } function cc(t) { var n = t.curve; return t.angle = t.x, delete t.x, t.radius = t.y, delete t.y, t.curve = function (t) { return arguments.length ? n(ac(t)) : n()._curve }, t } function sc(t, n, e) { t._context.bezierCurveTo((2 * t._x0 + t._x1) / 3, (2 * t._y0 + t._y1) / 3, (t._x0 + 2 * t._x1) / 3, (t._y0 + 2 * t._y1) / 3, (t._x0 + 4 * t._x1 + n) / 6, (t._y0 + 4 * t._y1 + e) / 6) } function fc(t) { this._context = t } function lc(t) { this._context = t } function hc(t) { this._context = t } function pc(t, n) { this._basis = new fc(t), this._beta = n } function dc(t, n, e) { t._context.bezierCurveTo(t._x1 + t._k * (t._x2 - t._x0), t._y1 + t._k * (t._y2 - t._y0), t._x2 + t._k * (t._x1 - n), t._y2 + t._k * (t._y1 - e), t._x2, t._y2) } function vc(t, n) { this._context = t, this._k = (1 - n) / 6 } function _c(t, n) { this._context = t, this._k = (1 - n) / 6 } function yc(t, n) { this._context = t, this._k = (1 - n) / 6 } function gc(t, n, e) { var r = t._x1, i = t._y1, o = t._x2, u = t._y2; if (t._l01_a > sb) { var a = 2 * t._l01_2a + 3 * t._l01_a * t._l12_a + t._l12_2a, c = 3 * t._l01_a * (t._l01_a + t._l12_a); r = (r * a - t._x0 * t._l12_2a + t._x2 * t._l01_2a) / c, i = (i * a - t._y0 * t._l12_2a + t._y2 * t._l01_2a) / c } if (t._l23_a > sb) { var s = 2 * t._l23_2a + 3 * t._l23_a * t._l12_a + t._l12_2a, f = 3 * t._l23_a * (t._l23_a + t._l12_a); o = (o * s + t._x1 * t._l23_2a - n * t._l12_2a) / f, u = (u * s + t._y1 * t._l23_2a - e * t._l12_2a) / f } t._context.bezierCurveTo(r, i, o, u, t._x2, t._y2) } function mc(t, n) { this._context = t, this._alpha = n } function xc(t, n) { this._context = t, this._alpha = n } function bc(t, n) { this._context = t, this._alpha = n } function wc(t) { this._context = t } function Mc(t) { return t < 0 ? -1 : 1 } function Tc(t, n, e) { var r = t._x1 - t._x0, i = n - t._x1, o = (t._y1 - t._y0) / (r || i < 0 && -0), u = (e - t._y1) / (i || r < 0 && -0), a = (o * i + u * r) / (r + i); return (Mc(o) + Mc(u)) * Math.min(Math.abs(o), Math.abs(u), .5 * Math.abs(a)) || 0 } function Nc(t, n) { var e = t._x1 - t._x0; return e ? (3 * (t._y1 - t._y0) / e - n) / 2 : n } function kc(t, n, e) { var r = t._x0, i = t._y0, o = t._x1, u = t._y1, a = (o - r) / 3; t._context.bezierCurveTo(r + a, i + a * n, o - a, u - a * e, o, u) } function Sc(t) { this._context = t } function Ec(t) { this._context = new Ac(t) } function Ac(t) { this._context = t } function Cc(t) { return new Sc(t) } function zc(t) { return new Ec(t) } function Pc(t) { this._context = t } function Rc(t) { var n, e, r = t.length - 1, i = new Array(r), o = new Array(r), u = new Array(r); for (i[0] = 0, o[0] = 2, u[0] = t[0] + 2 * t[1], n = 1; n < r - 1; ++n)i[n] = 1, o[n] = 4, u[n] = 4 * t[n] + 2 * t[n + 1]; for (i[r - 1] = 2, o[r - 1] = 7, u[r - 1] = 8 * t[r - 1] + t[r], n = 1; n < r; ++n)e = i[n] / o[n - 1], o[n] -= e, u[n] -= e * u[n - 1]; for (i[r - 1] = u[r - 1] / o[r - 1], n = r - 2; n >= 0; --n)i[n] = (u[n] - i[n + 1]) / o[n]; for (o[r - 1] = (t[r] + i[r - 1]) / 2, n = 0; n < r - 1; ++n)o[n] = 2 * t[n + 1] - i[n + 1]; return [i, o] } function qc(t, n) { this._context = t, this._t = n } function Lc(t) { return new qc(t, 0) } function Uc(t) { return new qc(t, 1) } function Dc(t, n) { return t[n] } function Oc(t) { for (var n, e = 0, r = -1, i = t.length; ++r < i;)(n = +t[r][1]) && (e += n); return e } function Fc(t) { return t[0] } function Ic(t) { return t[1] } function Yc() { this._ = null } function Bc(t) { t.U = t.C = t.L = t.R = t.P = t.N = null } function jc(t, n) { var e = n, r = n.R, i = e.U; i ? i.L === e ? i.L = r : i.R = r : t._ = r, r.U = i, e.U = r, e.R = r.L, e.R && (e.R.U = e), r.L = e } function Hc(t, n) { var e = n, r = n.L, i = e.U; i ? i.L === e ? i.L = r : i.R = r : t._ = r, r.U = i, e.U = r, e.L = r.R, e.L && (e.L.U = e), r.R = e } function Xc(t) { for (; t.L;)t = t.L; return t } function Vc(t, n, e, r) { var i = [null, null], o = mw.push(i) - 1; return i.left = t, i.right = n, e && $c(i, t, n, e), r && $c(i, n, t, r), yw[t.index].halfedges.push(o), yw[n.index].halfedges.push(o), i } function Wc(t, n, e) { var r = [n, e]; return r.left = t, r } function $c(t, n, e, r) { t[0] || t[1] ? t.left === e ? t[1] = r : t[0] = r : (t[0] = r, t.left = n, t.right = e) } function Zc(t, n, e, r, i) { var o, u = t[0], a = t[1], c = u[0], s = u[1], f = a[0], l = a[1], h = 0, p = 1, d = f - c, v = l - s; if (o = n - c, d || !(o > 0)) { if (o /= d, d < 0) { if (o < h) return; o < p && (p = o) } else if (d > 0) { if (o > p) return; o > h && (h = o) } if (o = r - c, d || !(o < 0)) { if (o /= d, d < 0) { if (o > p) return; o > h && (h = o) } else if (d > 0) { if (o < h) return; o < p && (p = o) } if (o = e - s, v || !(o > 0)) { if (o /= v, v < 0) { if (o < h) return; o < p && (p = o) } else if (v > 0) { if (o > p) return; o > h && (h = o) } if (o = i - s, v || !(o < 0)) { if (o /= v, v < 0) { if (o > p) return; o > h && (h = o) } else if (v > 0) { if (o < h) return; o < p && (p = o) } return !(h > 0 || p < 1) || (h > 0 && (t[0] = [c + h * d, s + h * v]), p < 1 && (t[1] = [c + p * d, s + p * v]), !0) } } } } } function Gc(t, n, e, r, i) { var o = t[1]; if (o) return !0; var u, a, c = t[0], s = t.left, f = t.right, l = s[0], h = s[1], p = f[0], d = f[1], v = (l + p) / 2, _ = (h + d) / 2; if (d === h) { if (v < n || v >= r) return; if (l > p) { if (c) { if (c[1] >= i) return } else c = [v, e]; o = [v, i] } else { if (c) { if (c[1] < e) return } else c = [v, i]; o = [v, e] } } else if (u = (l - p) / (d - h), a = _ - u * v, u < -1 || u > 1) if (l > p) { if (c) { if (c[1] >= i) return } else c = [(e - a) / u, e]; o = [(i - a) / u, i] } else { if (c) { if (c[1] < e) return } else c = [(i - a) / u, i]; o = [(e - a) / u, e] } else if (h < d) { if (c) { if (c[0] >= r) return } else c = [n, u * n + a]; o = [r, u * r + a] } else { if (c) { if (c[0] < n) return } else c = [r, u * r + a]; o = [n, u * n + a] } return t[0] = c, t[1] = o, !0 } function Jc(t, n, e, r) { for (var i, o = mw.length; o--;)Gc(i = mw[o], t, n, e, r) && Zc(i, t, n, e, r) && (Math.abs(i[0][0] - i[1][0]) > ww || Math.abs(i[0][1] - i[1][1]) > ww) || delete mw[o] } function Qc(t) { return yw[t.index] = { site: t, halfedges: [] } } function Kc(t, n) { var e = t.site, r = n.left, i = n.right; return e === i && (i = r, r = e), i ? Math.atan2(i[1] - r[1], i[0] - r[0]) : (e === r ? (r = n[1], i = n[0]) : (r = n[0], i = n[1]), Math.atan2(r[0] - i[0], i[1] - r[1])) } function ts(t, n) { return n[+(n.left !== t.site)] } function ns(t, n) { return n[+(n.left === t.site)] } function es() { for (var t, n, e, r, i = 0, o = yw.length; i < o; ++i)if ((t = yw[i]) && (r = (n = t.halfedges).length)) { var u = new Array(r), a = new Array(r); for (e = 0; e < r; ++e)u[e] = e, a[e] = Kc(t, mw[n[e]]); for (u.sort(function (t, n) { return a[n] - a[t] }), e = 0; e < r; ++e)a[e] = n[u[e]]; for (e = 0; e < r; ++e)n[e] = a[e] } } function rs(t, n, e, r) { var i, o, u, a, c, s, f, l, h, p, d, v, _ = yw.length, y = !0; for (i = 0; i < _; ++i)if (o = yw[i]) { for (u = o.site, c = o.halfedges, a = c.length; a--;)mw[c[a]] || c.splice(a, 1); for (a = 0, s = c.length; a < s;)p = ns(o, mw[c[a]]), d = p[0], v = p[1], f = ts(o, mw[c[++a % s]]), l = f[0], h = f[1], (Math.abs(d - l) > ww || Math.abs(v - h) > ww) && (c.splice(a, 0, mw.push(Wc(u, p, Math.abs(d - t) < ww && r - v > ww ? [t, Math.abs(l - t) < ww ? h : r] : Math.abs(v - r) < ww && e - d > ww ? [Math.abs(h - r) < ww ? l : e, r] : Math.abs(d - e) < ww && v - n > ww ? [e, Math.abs(l - e) < ww ? h : n] : Math.abs(v - n) < ww && d - t > ww ? [Math.abs(h - n) < ww ? l : t, n] : null)) - 1), ++s); s && (y = !1) } if (y) { var g, m, x, b = 1 / 0; for (i = 0, y = null; i < _; ++i)(o = yw[i]) && (u = o.site, g = u[0] - t, m = u[1] - n, x = g * g + m * m, x < b && (b = x, y = o)); if (y) { var w = [t, n], M = [t, r], T = [e, r], N = [e, n]; y.halfedges.push(mw.push(Wc(u = y.site, w, M)) - 1, mw.push(Wc(u, M, T)) - 1, mw.push(Wc(u, T, N)) - 1, mw.push(Wc(u, N, w)) - 1) } } for (i = 0; i < _; ++i)(o = yw[i]) && (o.halfedges.length || delete yw[i]) } function is() { Bc(this), this.x = this.y = this.arc = this.site = this.cy = null } function os(t) { var n = t.P, e = t.N; if (n && e) { var r = n.site, i = t.site, o = e.site; if (r !== o) { var u = i[0], a = i[1], c = r[0] - u, s = r[1] - a, f = o[0] - u, l = o[1] - a, h = 2 * (c * l - s * f); if (!(h >= -Mw)) { var p = c * c + s * s, d = f * f + l * l, v = (l * p - s * d) / h, _ = (c * d - f * p) / h, y = xw.pop() || new is; y.arc = t, y.site = i, y.x = v + u, y.y = (y.cy = _ + a) + Math.sqrt(v * v + _ * _), t.circle = y; for (var g = null, m = gw._; m;)if (y.y < m.y || y.y === m.y && y.x <= m.x) { if (!m.L) { g = m.P; break } m = m.L } else { if (!m.R) { g = m; break } m = m.R } gw.insert(g, y), g || (vw = y) } } } } function us(t) { var n = t.circle; n && (n.P || (vw = n.N), gw.remove(n), xw.push(n), Bc(n), t.circle = null) } function as() { Bc(this), this.edge = this.site = this.circle = null } function cs(t) { var n = bw.pop() || new as; return n.site = t, n } function ss(t) { us(t), _w.remove(t), bw.push(t), Bc(t) } function fs(t) { var n = t.circle, e = n.x, r = n.cy, i = [e, r], o = t.P, u = t.N, a = [t]; ss(t); for (var c = o; c.circle && Math.abs(e - c.circle.x) < ww && Math.abs(r - c.circle.cy) < ww;)o = c.P, a.unshift(c), ss(c), c = o; a.unshift(c), us(c); for (var s = u; s.circle && Math.abs(e - s.circle.x) < ww && Math.abs(r - s.circle.cy) < ww;)u = s.N, a.push(s), ss(s), s = u; a.push(s), us(s); var f, l = a.length; for (f = 1; f < l; ++f)s = a[f], c = a[f - 1], $c(s.edge, c.site, s.site, i); c = a[0], s = a[l - 1], s.edge = Vc(c.site, s.site, null, i), os(c), os(s) } function ls(t) { for (var n, e, r, i, o = t[0], u = t[1], a = _w._; a;)if (r = hs(a, u) - o, r > ww) a = a.L; else { if (i = o - ps(a, u), !(i > ww)) { r > -ww ? (n = a.P, e = a) : i > -ww ? (n = a, e = a.N) : n = e = a; break } if (!a.R) { n = a; break } a = a.R } Qc(t); var c = cs(t); if (_w.insert(n, c), n || e) { if (n === e) return us(n), e = cs(n.site), _w.insert(c, e), c.edge = e.edge = Vc(n.site, c.site), os(n), void os(e); if (!e) return void (c.edge = Vc(n.site, c.site)); us(n), us(e); var s = n.site, f = s[0], l = s[1], h = t[0] - f, p = t[1] - l, d = e.site, v = d[0] - f, _ = d[1] - l, y = 2 * (h * _ - p * v), g = h * h + p * p, m = v * v + _ * _, x = [(_ * g - p * m) / y + f, (h * m - v * g) / y + l]; $c(e.edge, s, d, x), c.edge = Vc(s, t, null, x), e.edge = Vc(t, d, null, x), os(n), os(e) } } function hs(t, n) { var e = t.site, r = e[0], i = e[1], o = i - n; if (!o) return r; var u = t.P; if (!u) return -(1 / 0); e = u.site; var a = e[0], c = e[1], s = c - n; if (!s) return a; var f = a - r, l = 1 / o - 1 / s, h = f / s; return l ? (-h + Math.sqrt(h * h - 2 * l * (f * f / (-2 * s) - c + s / 2 + i - o / 2))) / l + r : (r + a) / 2 } function ps(t, n) { var e = t.N; if (e) return hs(e, n); var r = t.site; return r[1] === n ? r[0] : 1 / 0 } function ds(t, n, e) { return (t[0] - e[0]) * (n[1] - t[1]) - (t[0] - n[0]) * (e[1] - t[1]) } function vs(t, n) { return n[1] - t[1] || n[0] - t[0] } function _s(t, n) { var e, r, i, o = t.sort(vs).pop(); for (mw = [], yw = new Array(t.length), _w = new Yc, gw = new Yc; ;)if (i = vw, o && (!i || o[1] < i.y || o[1] === i.y && o[0] < i.x)) o[0] === e && o[1] === r || (ls(o), e = o[0], r = o[1]), o = t.pop(); else { if (!i) break; fs(i.arc) } if (es(), n) { var u = +n[0][0], a = +n[0][1], c = +n[1][0], s = +n[1][1]; Jc(u, a, c, s), rs(u, a, c, s) } this.edges = mw, this.cells = yw, _w = gw = mw = yw = null } function ys(t, n, e) { this.target = t, this.type = n, this.transform = e } function gs(t, n, e) { this.k = t, this.x = n, this.y = e } function ms(t) { return t.__zoom || kw } function xs() { t.event.stopImmediatePropagation() } function bs() { return !t.event.button } function ws() { var t, n, e = this; return e instanceof SVGElement ? 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NaN : +t }, Ps = function (t, n) { var e, r, i = t.length, o = 0, u = 0, a = -1, c = 0; if (null == n) for (; ++a < i;)isNaN(e = zs(t[a])) || (r = e - o, o += r / ++c, u += r * (e - o)); else for (; ++a < i;)isNaN(e = zs(n(t[a], a, t))) || (r = e - o, o += r / ++c, u += r * (e - o)); if (c > 1) return u / (c - 1) }, Rs = function (t, n) { var e = Ps(t, n); return e ? 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Ml : Math.pow(Ml, t), new Pt(this.h, this.s, this.l * t, this.opacity) }, darker: function (t) { return t = null == t ? wl : Math.pow(wl, t), new Pt(this.h, this.s, this.l * t, this.opacity) }, rgb: function () { var t = this.h % 360 + 360 * (this.h < 0), n = isNaN(t) || isNaN(this.s) ? 0 : this.s, e = this.l, r = e + (e < .5 ? e : 1 - e) * n, i = 2 * e - r; return new Et(Rt(t >= 240 ? t - 240 : t + 120, i, r), Rt(t, i, r), Rt(t < 120 ? t + 240 : t - 120, i, r), this.opacity) }, displayable: function () { return (0 <= this.s && this.s <= 1 || isNaN(this.s)) && 0 <= this.l && this.l <= 1 && 0 <= this.opacity && this.opacity <= 1 } })); var Ul = Math.PI / 180, Dl = 180 / Math.PI, Ol = 18, Fl = .95047, Il = 1, Yl = 1.08883, Bl = 4 / 29, jl = 6 / 29, Hl = 3 * jl * jl, Xl = jl * jl * jl; bl(Ut, Lt, bt(wt, { brighter: function (t) { return new Ut(this.l + Ol * (null == t ? 1 : t), this.a, this.b, this.opacity) }, darker: function (t) { return new Ut(this.l - Ol * (null == t ? 1 : t), this.a, this.b, this.opacity) }, rgb: function () { var t = (this.l + 16) / 116, n = isNaN(this.a) ? t : t + this.a / 500, e = isNaN(this.b) ? t : t - this.b / 200; return t = Il * Ot(t), n = Fl * Ot(n), e = Yl * Ot(e), new Et(Ft(3.2404542 * n - 1.5371385 * t - .4985314 * e), Ft(-.969266 * n + 1.8760108 * t + .041556 * e), Ft(.0556434 * n - .2040259 * t + 1.0572252 * e), this.opacity) } })), bl(jt, Bt, bt(wt, { brighter: function (t) { return new jt(this.h, this.c, this.l + Ol * (null == t ? 1 : t), this.opacity) }, darker: function (t) { return new jt(this.h, this.c, this.l - Ol * (null == t ? 1 : t), this.opacity) }, rgb: function () { return qt(this).rgb() } })); var Vl = -.14861, Wl = 1.78277, $l = -.29227, Zl = -.90649, Gl = 1.97294, Jl = Gl * Zl, Ql = Gl * Wl, Kl = Wl * $l - Zl * Vl; bl(Vt, Xt, bt(wt, { brighter: function (t) { return t = null == t ? 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Math.max(1, Math.min(21, h)) : Math.max(0, Math.min(20, h)), n.toString = function () { return t + "" }, n } function e(t, e) { var r = n((t = zv(t), t.type = "f", t)), i = 3 * Math.max(-8, Math.min(8, Math.floor(Tv(e) / 3))), o = Math.pow(10, -i), u = Rv[8 + i / 3]; return function (t) { return r(o * t) + u } } var r = t.grouping && t.thousands ? Nv(t.grouping, t.thousands) : lr, i = t.currency, o = t.decimal; return { format: n, formatPrefix: e } }; hr({ decimal: ".", thousands: ",", grouping: [3], currency: ["$", ""] }); var Lv = function (t) { return Math.max(0, -Tv(Math.abs(t))) }, Uv = function (t, n) { return Math.max(0, 3 * Math.max(-8, Math.min(8, Math.floor(Tv(n) / 3))) - Tv(Math.abs(t))) }, Dv = function (t, n) { return t = Math.abs(t), n = Math.abs(n) - t, Math.max(0, Tv(n) - Tv(t)) + 1 }, Ov = function () { return new pr }; pr.prototype = { constructor: pr, reset: function () { this.s = this.t = 0 }, add: function (t) { dr(__, t, this.t), dr(this, __.s, this.s), this.s ? this.t += __.t : this.s = __.t }, valueOf: function () { return this.s } }; var Fv, Iv, Yv, Bv, jv, Hv, Xv, Vv, Wv, $v, Zv, Gv, Jv, Qv, Kv, t_, n_, e_, r_, i_, o_, u_, a_, c_, s_, f_, l_, h_, p_, d_, v_, __ = new pr, y_ = 1e-6, g_ = 1e-12, m_ = Math.PI, x_ = m_ / 2, b_ = m_ / 4, w_ = 2 * m_, M_ = 180 / m_, T_ = m_ / 180, N_ = Math.abs, k_ = Math.atan, S_ = Math.atan2, E_ = Math.cos, A_ = Math.ceil, C_ = Math.exp, z_ = Math.log, P_ = Math.pow, R_ = Math.sin, q_ = Math.sign || function (t) { return t > 0 ? 1 : t < 0 ? -1 : 0 }, L_ = Math.sqrt, U_ = Math.tan, D_ = { Feature: function (t, n) { mr(t.geometry, n) }, FeatureCollection: function (t, n) { for (var e = t.features, r = -1, i = e.length; ++r < i;)mr(e[r].geometry, n) } }, O_ = { Sphere: function (t, n) { n.sphere() }, Point: function (t, n) { t = t.coordinates, n.point(t[0], t[1], t[2]) }, MultiPoint: function (t, n) { for (var e = t.coordinates, r = -1, i = e.length; ++r < i;)t = e[r], n.point(t[0], t[1], t[2]) }, LineString: function (t, n) { xr(t.coordinates, n, 0) }, MultiLineString: function (t, n) { for (var e = t.coordinates, r = -1, i = e.length; ++r < i;)xr(e[r], n, 0) }, Polygon: function (t, n) { br(t.coordinates, n) }, MultiPolygon: function (t, n) { for (var e = t.coordinates, r = -1, i = e.length; ++r < i;)br(e[r], n) }, GeometryCollection: function (t, n) { for (var e = t.geometries, r = -1, i = e.length; ++r < i;)mr(e[r], n) } }, F_ = function (t, n) { t && D_.hasOwnProperty(t.type) ? D_[t.type](t, n) : mr(t, n) }, I_ = Ov(), Y_ = Ov(), B_ = { point: gr, lineStart: gr, lineEnd: gr, polygonStart: function () { I_.reset(), B_.lineStart = wr, B_.lineEnd = Mr }, polygonEnd: function () { var t = +I_; Y_.add(t < 0 ? w_ + t : t), this.lineStart = this.lineEnd = this.point = gr }, sphere: function () { Y_.add(w_) } }, j_ = function (t) { return Y_.reset(), F_(t, B_), 2 * Y_ }, H_ = Ov(), X_ = { point: Rr, lineStart: Lr, lineEnd: Ur, polygonStart: function () { X_.point = Dr, X_.lineStart = Or, X_.lineEnd = Fr, H_.reset(), B_.polygonStart() }, polygonEnd: function () { B_.polygonEnd(), X_.point = Rr, X_.lineStart = Lr, X_.lineEnd = Ur, I_ < 0 ? (Hv = -(Vv = 180), Xv = -(Wv = 90)) : H_ > y_ ? Wv = 90 : H_ < -y_ && (Xv = -90), Kv[0] = Hv, Kv[1] = Vv } }, V_ = function (t) { var n, e, r, i, o, u, a; if (Wv = Vv = -(Hv = Xv = 1 / 0), Qv = [], F_(t, X_), e = Qv.length) { for (Qv.sort(Yr), n = 1, r = Qv[0], o = [r]; n < e; ++n)i = Qv[n], Br(r, i[0]) || Br(r, i[1]) ? (Ir(r[0], i[1]) > Ir(r[0], r[1]) && (r[1] = i[1]), Ir(i[0], r[1]) > Ir(r[0], r[1]) && (r[0] = i[0])) : o.push(r = i); for (u = -(1 / 0), e = o.length - 1, n = 0, r = o[e]; n <= e; r = i, ++n)i = o[n], (a = Ir(r[1], i[0])) > u && (u = a, Hv = i[0], Vv = r[1]) } return Qv = Kv = null, Hv === 1 / 0 || Xv === 1 / 0 ? [[NaN, NaN], [NaN, NaN]] : [[Hv, Xv], [Vv, Wv]] }, W_ = { sphere: gr, point: jr, lineStart: Xr, lineEnd: $r, polygonStart: function () { W_.lineStart = Zr, W_.lineEnd = Gr }, polygonEnd: function () { W_.lineStart = Xr, W_.lineEnd = $r } }, $_ = function (t) { t_ = n_ = e_ = r_ = i_ = o_ = u_ = a_ = c_ = s_ = f_ = 0, F_(t, W_); var n = c_, e = s_, r = f_, i = n * n + e * e + r * r; return i < g_ && (n = o_, e = u_, r = a_, n_ < y_ && (n = e_, e = r_, r = i_), i = n * n + e * e + r * r, i < g_) ? [NaN, NaN] : [S_(e, n) * M_, _r(r / L_(i)) * M_] }, Z_ = function (t) { return function () { return t } }, G_ = function (t, n) { function e(e, r) { return e = t(e, r), n(e[0], e[1]) } return t.invert && n.invert && (e.invert = function (e, r) { return e = n.invert(e, r), e && t.invert(e[0], e[1]) }), e }; Kr.invert = Kr; var J_, Q_, K_, ty, ny, ey, ry, iy, oy, uy, ay, cy = function (t) { function n(n) { return n = t(n[0] * T_, n[1] * T_), n[0] *= M_, n[1] *= M_, n } return t = ti(t[0] * T_, t[1] * T_, t.length > 2 ? t[2] * T_ : 0), n.invert = function (n) { return n = t.invert(n[0] * T_, n[1] * T_), n[0] *= M_, n[1] *= M_, n }, n }, sy = function () { function t(t, n) { e.push(t = r(t, n)), t[0] *= M_, t[1] *= M_ } function n() { var t = i.apply(this, arguments), n = o.apply(this, arguments) * T_, c = u.apply(this, arguments) * T_; return e = [], r = ti(-t[0] * T_, -t[1] * T_, 0).invert, ii(a, n, c, 1), t = { type: "Polygon", coordinates: [e] }, e = r = null, t } var e, r, i = Z_([0, 0]), o = Z_(90), u = Z_(6), a = { point: t }; return n.center = function (t) { return arguments.length ? (i = "function" == typeof t ? t : Z_([+t[0], +t[1]]), n) : i }, n.radius = function (t) { return arguments.length ? (o = "function" == typeof t ? t : Z_(+t), n) : o }, n.precision = function (t) { return arguments.length ? (u = "function" == typeof t ? t : Z_(+t), n) : u }, n }, fy = function () { var t, n = []; return { point: function (n, e) { t.push([n, e]) }, lineStart: function () { n.push(t = []) }, lineEnd: gr, rejoin: function () { n.length > 1 && n.push(n.pop().concat(n.shift())) }, result: function () { var e = n; return n = [], t = null, e } } }, ly = function (t, n, e, r, i, o) { var u, a = t[0], c = t[1], s = n[0], f = n[1], l = 0, h = 1, p = s - a, d = f - c; if (u = e - a, p || !(u > 0)) { if (u /= p, p < 0) { if (u < l) return; u < h && (h = u) } else if (p > 0) { if (u > h) return; u > l && (l = u) } if (u = i - a, p || !(u < 0)) { if (u /= p, p < 0) { if (u > h) return; u > l && (l = u) } else if (p > 0) { if (u < l) return; u < h && (h = u) } if (u = r - c, d || !(u > 0)) { if (u /= d, d < 0) { if (u < l) return; u < h && (h = u) } else if (d > 0) { if (u > h) return; u > l && (l = u) } if (u = o - c, d || !(u < 0)) { if (u /= d, d < 0) { if (u > h) return; u > l && (l = u) } else if (d > 0) { if (u < l) return; u < h && (h = u) } return l > 0 && (t[0] = a + l * p, t[1] = c + l * d), h < 1 && (n[0] = a + h * p, n[1] = c + h * d), !0 } } } } }, hy = function (t, n) { return N_(t[0] - n[0]) < y_ && N_(t[1] - n[1]) < y_ }, py = function (t, n, e, r, i) { var o, u, a = [], c = []; if (t.forEach(function (t) { if (!((n = t.length - 1) <= 0)) { var n, e, r = t[0], u = t[n]; if (hy(r, u)) { for (i.lineStart(), o = 0; o < n; ++o)i.point((r = t[o])[0], r[1]); return void i.lineEnd() } a.push(e = new ui(r, t, null, !0)), c.push(e.o = new ui(r, null, e, !1)), a.push(e = new ui(u, t, null, !1)), c.push(e.o = new ui(u, null, e, !0)) } }), a.length) { for (c.sort(n), ai(a), ai(c), o = 0, u = c.length; o < u; ++o)c[o].e = e = !e; for (var s, f, l = a[0]; ;) { for (var h = l, p = !0; h.v;)if ((h = h.n) === l) return; s = h.z, i.lineStart(); do { if (h.v = h.o.v = !0, h.e) { if (p) for (o = 0, u = s.length; o < u; ++o)i.point((f = s[o])[0], f[1]); else r(h.x, h.n.x, 1, i); h = h.n } else { if (p) for (s = h.p.z, o = s.length - 1; o >= 0; --o)i.point((f = s[o])[0], f[1]); else r(h.x, h.p.x, -1, i); h = h.p } h = h.o, s = h.z, p = !p } while (!h.v); i.lineEnd() } } }, dy = 1e9, vy = -dy, _y = function () { var t, n, e, r = 0, i = 0, o = 960, u = 500; return e = { stream: function (e) { return t && n === e ? t : t = ci(r, i, o, u)(n = e) }, extent: function (a) { return arguments.length ? (r = +a[0][0], i = +a[0][1], o = +a[1][0], u = +a[1][1], t = n = null, e) : [[r, i], [o, u]] } } }, yy = Ov(), gy = { sphere: gr, point: gr, lineStart: si, lineEnd: gr, polygonStart: gr, polygonEnd: gr }, my = function (t) { return yy.reset(), F_(t, gy), +yy }, xy = [null, null], by = { type: "LineString", coordinates: xy }, wy = function (t, n) { return xy[0] = t, xy[1] = n, my(by) }, My = function (t, n) { var e = t[0] * T_, r = t[1] * T_, i = n[0] * T_, o = n[1] * T_, u = E_(r), a = R_(r), c = E_(o), s = R_(o), f = u * E_(e), l = u * R_(e), h = c * E_(i), p = c * R_(i), d = 2 * _r(L_(yr(o - r) + u * c * yr(i - e))), v = R_(d), _ = d ? function (t) { var n = R_(t *= d) / v, e = R_(d - t) / v, r = e * f + n * h, i = e * l + n * p, o = e * a + n * s; return [S_(i, r) * M_, S_(o, L_(r * r + i * i)) * M_] } : function () { return [e * M_, r * M_] }; return _.distance = d, _ }, Ty = function (t) { return t }, Ny = Ov(), ky = Ov(), Sy = { point: gr, lineStart: gr, lineEnd: gr, polygonStart: function () { Sy.lineStart = yi, Sy.lineEnd = xi }, polygonEnd: function () { Sy.lineStart = Sy.lineEnd = Sy.point = gr, Ny.add(N_(ky)), ky.reset() }, result: function () { var t = Ny / 2; return Ny.reset(), t } }, Ey = 1 / 0, Ay = Ey, Cy = -Ey, zy = Cy, Py = { point: bi, lineStart: gr, lineEnd: gr, polygonStart: gr, polygonEnd: gr, result: function () { var t = [[Ey, Ay], [Cy, zy]]; return Cy = zy = -(Ay = Ey = 1 / 0), t } }, Ry = 0, qy = 0, Ly = 0, Uy = 0, Dy = 0, Oy = 0, Fy = 0, Iy = 0, Yy = 0, By = { point: wi, lineStart: Mi, lineEnd: ki, polygonStart: function () { By.lineStart = Si, By.lineEnd = Ei }, polygonEnd: function () { By.point = wi, By.lineStart = Mi, By.lineEnd = ki }, result: function () { var t = Yy ? [Fy / Yy, Iy / Yy] : Oy ? [Uy / Oy, Dy / Oy] : Ly ? [Ry / Ly, qy / Ly] : [NaN, NaN]; return Ry = qy = Ly = Uy = Dy = Oy = Fy = Iy = Yy = 0, t } }; zi.prototype = { _radius: 4.5, pointRadius: function (t) { return this._radius = t, this }, polygonStart: function () { this._line = 0 }, polygonEnd: function () { this._line = NaN }, lineStart: function () { this._point = 0 }, lineEnd: function () { 0 === this._line && this._context.closePath(), this._point = NaN }, point: function (t, n) { switch (this._point) { case 0: this._context.moveTo(t, n), this._point = 1; break; case 1: this._context.lineTo(t, n); break; default: this._context.moveTo(t + this._radius, n), this._context.arc(t, n, this._radius, 0, w_) } }, result: gr }, Pi.prototype = { _circle: Ri(4.5), pointRadius: function (t) { return this._circle = Ri(t), this }, polygonStart: function () { this._line = 0 }, polygonEnd: function () { this._line = NaN }, lineStart: function () { this._point = 0 }, lineEnd: function () { 0 === this._line && this._string.push("Z"), this._point = NaN }, point: function (t, n) { switch (this._point) { case 0: this._string.push("M", t, ",", n), this._point = 1; break; case 1: this._string.push("L", t, ",", n); break; default: this._string.push("M", t, ",", n, this._circle) } }, result: function () { if (this._string.length) { var t = this._string.join(""); return this._string = [], t } } }; var jy = function (t, n) { function e(t) { return t && ("function" == typeof o && i.pointRadius(+o.apply(this, arguments)), F_(t, r(i))), i.result() } var r, i, o = 4.5; return e.area = function (t) { return F_(t, r(Sy)), Sy.result() }, e.bounds = function (t) { return F_(t, r(Py)), Py.result() }, e.centroid = function (t) { return F_(t, r(By)), By.result() }, e.projection = function (n) { return arguments.length ? (r = null == n ? (t = null, Ty) : (t = n).stream, e) : t }, e.context = function (t) { return arguments.length ? (i = null == t ? (n = null, new Pi) : new zi(n = t), "function" != typeof o && i.pointRadius(o), e) : n }, e.pointRadius = function (t) { return arguments.length ? (o = "function" == typeof t ? t : (i.pointRadius(+t), +t), e) : o }, e.projection(t).context(n) }, Hy = Ov(), Xy = function (t, n) { var e = n[0], r = n[1], i = [R_(e), -E_(e), 0], o = 0, u = 0; Hy.reset(); for (var a = 0, c = t.length; a < c; ++a)if (f = (s = t[a]).length) for (var s, f, l = s[f - 1], h = l[0], p = l[1] / 2 + b_, d = R_(p), v = E_(p), _ = 0; _ < f; ++_, h = g, d = x, v = b, l = y) { var y = s[_], g = y[0], m = y[1] / 2 + b_, x = R_(m), b = E_(m), w = g - h, M = w >= 0 ? 1 : -1, T = M * w, N = T > m_, k = d * x; if (Hy.add(S_(k * M * R_(T), v * b + k * E_(T))), o += N ? w + M * w_ : w, N ^ h >= e ^ g >= e) { var S = Ar(Sr(l), Sr(y)); Pr(S); var E = Ar(i, S); Pr(E); var A = (N ^ w >= 0 ? -1 : 1) * _r(E[2]); (r > A || r === A && (S[0] || S[1])) && (u += N ^ w >= 0 ? 1 : -1) } } return (o < -y_ || o < y_ && Hy < -y_) ^ 1 & u }, Vy = function (t, n, e, r) { return function (i, o) { function u(n, e) { var r = i(n, e); t(n = r[0], e = r[1]) && o.point(n, e) } function a(t, n) { var e = i(t, n); _.point(e[0], e[1]) } function c() { b.point = a, _.lineStart() } function s() { b.point = u, _.lineEnd() } function f(t, n) { v.push([t, n]); var e = i(t, n); m.point(e[0], e[1]) } function l() { m.lineStart(), v = [] } function h() { f(v[0][0], v[0][1]), m.lineEnd(); var t, n, e, r, i = m.clean(), u = g.result(), a = u.length; if (v.pop(), p.push(v), v = null, a) if (1 & i) { if (e = u[0], (n = e.length - 1) > 0) { for (x || (o.polygonStart(), x = !0), o.lineStart(), t = 0; t < n; ++t)o.point((r = e[t])[0], r[1]); o.lineEnd() } } else a > 1 && 2 & i && u.push(u.pop().concat(u.shift())), d.push(u.filter(qi)) } var p, d, v, _ = n(o), y = i.invert(r[0], r[1]), g = fy(), m = n(g), x = !1, b = { point: u, lineStart: c, lineEnd: s, polygonStart: function () { b.point = f, b.lineStart = l, b.lineEnd = h, d = [], p = [] }, polygonEnd: function () { b.point = u, b.lineStart = c, b.lineEnd = s, d = Ks(d); var t = Xy(p, y); d.length ? (x || (o.polygonStart(), x = !0), py(d, Li, t, e, o)) : t && (x || (o.polygonStart(), x = !0), o.lineStart(), e(null, null, 1, o), o.lineEnd()), x && (o.polygonEnd(), x = !1), d = p = null }, sphere: function () { o.polygonStart(), o.lineStart(), e(null, null, 1, o), o.lineEnd(), o.polygonEnd() } }; return b } }, Wy = Vy(function () { return !0 }, Ui, Oi, [-m_, -x_]), $y = function (t, n) { function e(e, r, i, o) { ii(o, t, n, i, e, r) } function r(t, n) { return E_(t) * E_(n) > a } function i(t) { var n, e, i, a, f; return { lineStart: function () { a = i = !1, f = 1 }, point: function (l, h) { var p, d = [l, h], v = r(l, h), _ = c ? v ? 0 : u(l, h) : v ? u(l + (l < 0 ? m_ : -m_), h) : 0; if (!n && (a = i = v) && t.lineStart(), v !== i && (p = o(n, d), (hy(n, p) || hy(d, p)) && (d[0] += y_, d[1] += y_, v = r(d[0], d[1]))), v !== i) f = 0, v ? (t.lineStart(), p = o(d, n), t.point(p[0], p[1])) : (p = o(n, d), t.point(p[0], p[1]), t.lineEnd()), n = p; else if (s && n && c ^ v) { var y; _ & e || !(y = o(d, n, !0)) || (f = 0, c ? (t.lineStart(), t.point(y[0][0], y[0][1]), t.point(y[1][0], y[1][1]), t.lineEnd()) : (t.point(y[1][0], y[1][1]), t.lineEnd(), t.lineStart(), t.point(y[0][0], y[0][1]))) } !v || n && hy(n, d) || t.point(d[0], d[1]), n = d, i = v, e = _ }, lineEnd: function () { i && t.lineEnd(), n = null }, clean: function () { return f | (a && i) << 1 } } } function o(t, n, e) { var r = Sr(t), i = Sr(n), o = [1, 0, 0], u = Ar(r, i), c = Er(u, u), s = u[0], f = c - s * s; if (!f) return !e && t; var l = a * c / f, h = -a * s / f, p = Ar(o, u), d = zr(o, l), v = zr(u, h); Cr(d, v); var _ = p, y = Er(d, _), g = Er(_, _), m = y * y - g * (Er(d, d) - 1); if (!(m < 0)) { var x = L_(m), b = zr(_, (-y - x) / g); if (Cr(b, d), b = kr(b), !e) return b; var w, M = t[0], T = n[0], N = t[1], k = n[1]; T < M && (w = M, M = T, T = w); var S = T - M, E = N_(S - m_) < y_, A = E || S < y_; if (!E && k < N && (w = N, N = k, k = w), A ? E ? N + k > 0 ^ b[1] < (N_(b[0] - M) < y_ ? N : k) : N <= b[1] && b[1] <= k : S > m_ ^ (M <= b[0] && b[0] <= T)) { var C = zr(_, (-y + x) / g); return Cr(C, d), [b, kr(C)] } } } function u(n, e) { var r = c ? t : m_ - t, i = 0; return n < -r ? i |= 1 : n > r && (i |= 2), e < -r ? i |= 4 : e > r && (i |= 8), i } var a = E_(t), c = a > 0, s = N_(a) > y_; return Vy(r, i, e, c ? [0, -t] : [-m_, t - m_]) }, Zy = function (t) { return { stream: Fi(t) } }; Ii.prototype = { constructor: Ii, point: function (t, n) { this.stream.point(t, n) }, sphere: function () { this.stream.sphere() }, lineStart: function () { this.stream.lineStart() }, lineEnd: function () { this.stream.lineEnd() }, polygonStart: function () { this.stream.polygonStart() }, polygonEnd: function () { this.stream.polygonEnd() } }; var Gy = 16, Jy = E_(30 * T_), Qy = function (t, n) { return +n ? Hi(t, n) : ji(t) }, Ky = Fi({ point: function (t, n) { this.stream.point(t * T_, n * T_) } }), tg = function () { return Wi(Zi).scale(155.424).center([0, 33.6442]) }, ng = function () { return tg().parallels([29.5, 45.5]).scale(1070).translate([480, 250]).rotate([96, 0]).center([-.6, 38.7]) }, eg = function () { function t(t) { var n = t[0], e = t[1]; return a = null, i.point(n, e), a || (o.point(n, e), a) || (u.point(n, e), a) } function n() { return e = r = null, t } var e, r, i, o, u, a, c = ng(), s = tg().rotate([154, 0]).center([-2, 58.5]).parallels([55, 65]), f = tg().rotate([157, 0]).center([-3, 19.9]).parallels([8, 18]), l = { point: function (t, n) { a = [t, n] } }; return t.invert = function (t) { var n = c.scale(), e = c.translate(), r = (t[0] - e[0]) / n, i = (t[1] - e[1]) / n; return (i >= .12 && i < .234 && r >= -.425 && r < -.214 ? s : i >= .166 && i < .234 && r >= -.214 && r < -.115 ? f : c).invert(t) }, t.stream = function (t) { return e && r === t ? e : e = Gi([c.stream(r = t), s.stream(t), f.stream(t)]) }, t.precision = function (t) { return arguments.length ? (c.precision(t), s.precision(t), f.precision(t), n()) : c.precision() }, t.scale = function (n) { return arguments.length ? (c.scale(n), s.scale(.35 * n), f.scale(n), t.translate(c.translate())) : c.scale() }, t.translate = function (t) { if (!arguments.length) return c.translate(); var e = c.scale(), r = +t[0], a = +t[1]; return i = c.translate(t).clipExtent([[r - .455 * e, a - .238 * e], [r + .455 * e, a + .238 * e]]).stream(l), o = s.translate([r - .307 * e, a + .201 * e]).clipExtent([[r - .425 * e + y_, a + .12 * e + y_], [r - .214 * e - y_, a + .234 * e - y_]]).stream(l), u = f.translate([r - .205 * e, a + .212 * e]).clipExtent([[r - .214 * e + y_, a + .166 * e + y_], [r - .115 * e - y_, a + .234 * e - y_]]).stream(l), n() }, t.fitExtent = function (n, e) { return Yi(t, n, e) }, t.fitSize = function (n, e) { return Bi(t, n, e) }, t.scale(1070) }, rg = Ji(function (t) { return L_(2 / (1 + t)) }); rg.invert = Qi(function (t) { return 2 * _r(t / 2) }); var ig = function () { return Xi(rg).scale(124.75).clipAngle(179.999) }, og = Ji(function (t) { return (t = vr(t)) && t / R_(t) }); og.invert = Qi(function (t) { return t }); var ug = function () { return Xi(og).scale(79.4188).clipAngle(179.999) }; Ki.invert = function (t, n) { return [t, 2 * k_(C_(n)) - x_] }; var ag = function () { return to(Ki).scale(961 / w_) }, cg = function () { return Wi(eo).scale(109.5).parallels([30, 30]) }; ro.invert = ro; var sg = function () { return Xi(ro).scale(152.63) }, fg = function () { return Wi(io).scale(131.154).center([0, 13.9389]) }; oo.invert = Qi(k_); var lg = function () { return Xi(oo).scale(144.049).clipAngle(60) }, hg = function () { function t() { return i = o = null, u } var n, e, r, i, o, u, a = 1, c = 0, s = 0, f = 1, l = 1, h = Ty, p = null, d = Ty; return u = { stream: function (t) { return i && o === t ? i : i = h(d(o = t)) }, clipExtent: function (i) { return arguments.length ? (d = null == i ? (p = n = e = r = null, Ty) : ci(p = +i[0][0], n = +i[0][1], e = +i[1][0], r = +i[1][1]), t()) : null == p ? null : [[p, n], [e, r]] }, scale: function (n) { return arguments.length ? (h = uo((a = +n) * f, a * l, c, s), t()) : a }, translate: function (n) { return arguments.length ? (h = uo(a * f, a * l, c = +n[0], s = +n[1]), t()) : [c, s] }, reflectX: function (n) { return arguments.length ? (h = uo(a * (f = n ? -1 : 1), a * l, c, s), t()) : f < 0 }, reflectY: function (n) { return arguments.length ? (h = uo(a * f, a * (l = n ? -1 : 1), c, s), t()) : l < 0 }, fitExtent: function (t, n) { return Yi(u, t, n) }, fitSize: function (t, n) { return Bi(u, t, n) } } }; ao.invert = Qi(_r); var pg = function () { return Xi(ao).scale(249.5).clipAngle(90 + y_) }; co.invert = Qi(function (t) { return 2 * k_(t) }); var dg = function () { return Xi(co).scale(250).clipAngle(142) }; so.invert = function (t, n) { return [-n, 2 * k_(C_(t)) - x_] }; var vg = function () { var t = to(so), n = t.center, e = t.rotate; return t.center = function (t) { return arguments.length ? n([-t[1], t[0]]) : (t = n(), [t[1], -t[0]]) }, t.rotate = function (t) { return arguments.length ? e([t[0], t[1], t.length > 2 ? t[2] + 90 : 90]) : (t = e(), [t[0], t[1], t[2] - 90]) }, e([0, 0, 90]).scale(159.155) }, _g = function () { function t(t) { var o, u = 0; t.eachAfter(function (t) { var e = t.children; e ? (t.x = lo(e), t.y = po(e)) : (t.x = o ? u += n(t, o) : 0, t.y = 0, o = t) }); var a = _o(t), c = yo(t), s = a.x - n(a, c) / 2, f = c.x + n(c, a) / 2; return t.eachAfter(i ? function (n) { n.x = (n.x - t.x) * e, n.y = (t.y - n.y) * r } : function (n) { n.x = (n.x - s) / (f - s) * e, n.y = (1 - (t.y ? n.y / t.y : 1)) * r }) } var n = fo, e = 1, r = 1, i = !1; return t.separation = function (e) { return arguments.length ? (n = e, t) : n }, t.size = function (n) { return arguments.length ? (i = !1, e = +n[0], r = +n[1], t) : i ? null : [e, r] }, t.nodeSize = function (n) { return arguments.length ? (i = !0, e = +n[0], r = +n[1], t) : i ? [e, r] : null }, t }, yg = function () { return this.eachAfter(go) }, gg = function (t) { var n, e, r, i, o = this, u = [o]; do for (n = u.reverse(), u = []; o = n.pop();)if (t(o), e = o.children) for (r = 0, i = e.length; r < i; ++r)u.push(e[r]); while (u.length); return this }, mg = function (t) { for (var n, e, r = this, i = [r]; r = i.pop();)if (t(r), n = r.children) for (e = n.length - 1; e >= 0; --e)i.push(n[e]); return this }, xg = function (t) { for (var n, e, r, i = this, o = [i], u = []; i = o.pop();)if (u.push(i), n = i.children) for (e = 0, r = n.length; e < r; ++e)o.push(n[e]); for (; i = u.pop();)t(i); return this }, bg = function (t) { return this.eachAfter(function (n) { for (var e = +t(n.data) || 0, r = n.children, i = r && r.length; --i >= 0;)e += r[i].value; n.value = e }) }, wg = function (t) { return this.eachBefore(function (n) { n.children && n.children.sort(t) }) }, Mg = function (t) { for (var n = this, e = mo(n, t), r = [n]; n !== e;)n = n.parent, r.push(n); for (var i = r.length; t !== e;)r.splice(i, 0, t), t = t.parent; return r }, Tg = function () { for (var t = this, n = [t]; t = t.parent;)n.push(t); return n }, Ng = function () { var t = []; return this.each(function (n) { t.push(n) }), t }, kg = function () { var t = []; return this.eachBefore(function (n) { n.children || t.push(n) }), t }, Sg = function () { var t = this, n = []; return t.each(function (e) { e !== t && n.push({ source: e.parent, target: e }) }), n }; No.prototype = xo.prototype = { constructor: No, count: yg, each: gg, eachAfter: xg, eachBefore: mg, sum: bg, sort: wg, path: Mg, ancestors: Tg, descendants: Ng, leaves: kg, links: Sg, copy: bo }; var Eg = function (t) { for (var n, e = (t = t.slice()).length, r = null, i = r; e;) { var o = new ko(t[e - 1]); i = i ? i.next = o : r = o, t[n] = t[--e] } return { head: r, tail: i } }, Ag = function (t) { return Eo(Eg(t), []) }, Cg = function (t) { return Do(t), t }, zg = function (t) { return function () { return t } }, Pg = function () { function t(t) { return t.x = e / 2, t.y = r / 2, n ? t.eachBefore(Bo(n)).eachAfter(jo(i, .5)).eachBefore(Ho(1)) : t.eachBefore(Bo(Yo)).eachAfter(jo(Io, 1)).eachAfter(jo(i, t.r / Math.min(e, r))).eachBefore(Ho(Math.min(e, r) / (2 * t.r))), t } var n = null, e = 1, r = 1, i = Io; return t.radius = function (e) { return arguments.length ? (n = Oo(e), t) : n }, t.size = function (n) { return arguments.length ? (e = +n[0], r = +n[1], t) : [e, r] }, t.padding = function (n) { return arguments.length ? (i = "function" == typeof n ? n : zg(+n), t) : i }, t }, Rg = function (t) { t.x0 = Math.round(t.x0), t.y0 = Math.round(t.y0), t.x1 = Math.round(t.x1), t.y1 = Math.round(t.y1) }, qg = function (t, n, e, r, i) { for (var o, u = t.children, a = -1, c = u.length, s = t.value && (r - n) / t.value; ++a < c;)o = u[a], o.y0 = e, o.y1 = i, o.x0 = n, o.x1 = n += o.value * s }, Lg = function () { function t(t) { var u = t.height + 1; return t.x0 = t.y0 = i, t.x1 = e, t.y1 = r / u, t.eachBefore(n(r, u)), o && t.eachBefore(Rg), t } function n(t, n) { return function (e) { e.children && qg(e, e.x0, t * (e.depth + 1) / n, e.x1, t * (e.depth + 2) / n); var r = e.x0, o = e.y0, u = e.x1 - i, a = e.y1 - i; u < r && (r = u = (r + u) / 2), a < o && (o = a = (o + a) / 2), e.x0 = r, e.y0 = o, e.x1 = u, e.y1 = a } } var e = 1, r = 1, i = 0, o = !1; return t.round = function (n) { return arguments.length ? (o = !!n, t) : o }, t.size = function (n) { return arguments.length ? (e = +n[0], r = +n[1], t) : [e, r] }, t.padding = function (n) { return arguments.length ? (i = +n, t) : i }, t }, Ug = "$", Dg = { depth: -1 }, Og = {}, Fg = function () { function t(t) { var r, i, o, u, a, c, s, f = t.length, l = new Array(f), h = {}; for (i = 0; i < f; ++i)r = t[i], a = l[i] = new No(r), null != (c = n(r, i, t)) && (c += "") && (s = Ug + (a.id = c), h[s] = s in h ? Og : a); for (i = 0; i < f; ++i)if (a = l[i], c = e(t[i], i, t), null != c && (c += "")) { if (u = h[Ug + c], !u) throw new Error("missing: " + c); if (u === Og) throw new Error("ambiguous: " + c); u.children ? u.children.push(a) : u.children = [a], a.parent = u } else { if (o) throw new Error("multiple roots"); o = a } if (!o) throw new Error("no root"); if (o.parent = Dg, o.eachBefore(function (t) { t.depth = t.parent.depth + 1, --f }).eachBefore(To), o.parent = null, f > 0) throw new Error("cycle"); return o } var n = Xo, e = Vo; return t.id = function (e) { return arguments.length ? (n = Fo(e), t) : n }, t.parentId = function (n) { return arguments.length ? (e = Fo(n), t) : e }, t }; Ko.prototype = Object.create(No.prototype); var Ig = function () { function t(t) { var r = tu(t); if (r.eachAfter(n), r.parent.m = -r.z, r.eachBefore(e), c) t.eachBefore(i); else { var s = t, f = t, l = t; t.eachBefore(function (t) { t.x < s.x && (s = t), t.x > f.x && (f = t), t.depth > l.depth && (l = t) }); var h = s === f ? 1 : o(s, f) / 2, p = h - s.x, d = u / (f.x + h + p), v = a / (l.depth || 1); t.eachBefore(function (t) { t.x = (t.x + p) * d, t.y = t.depth * v }) } return t } function n(t) { var n = t.children, e = t.parent.children, i = t.i ? e[t.i - 1] : null; if (n) { Jo(t); var u = (n[0].z + n[n.length - 1].z) / 2; i ? (t.z = i.z + o(t._, i._), t.m = t.z - u) : t.z = u } else i && (t.z = i.z + o(t._, i._)); t.parent.A = r(t, i, t.parent.A || e[0]) } function e(t) { t._.x = t.z + t.parent.m, t.m += t.parent.m } function r(t, n, e) { if (n) { for (var r, i = t, u = t, a = n, c = i.parent.children[0], s = i.m, f = u.m, l = a.m, h = c.m; a = Zo(a), i = $o(i), a && i;)c = $o(c), u = Zo(u), u.a = t, r = a.z + l - i.z - s + o(a._, i._), r > 0 && (Go(Qo(a, t, e), t, r), s += r, f += r), l += a.m, s += i.m, h += c.m, f += u.m; a && !Zo(u) && (u.t = a, u.m += l - f), i && !$o(c) && (c.t = i, c.m += s - h, e = t) } return e } function i(t) { t.x *= u, t.y = t.depth * a } var o = Wo, u = 1, a = 1, c = null; return t.separation = function (n) { return arguments.length ? (o = n, t) : o }, t.size = function (n) { return arguments.length ? (c = !1, u = +n[0], a = +n[1], t) : c ? null : [u, a] }, t.nodeSize = function (n) { return arguments.length ? (c = !0, u = +n[0], a = +n[1], t) : c ? [u, a] : null }, t }, Yg = function (t, n, e, r, i) { for (var o, u = t.children, a = -1, c = u.length, s = t.value && (i - e) / t.value; ++a < c;)o = u[a], o.x0 = n, o.x1 = r, o.y0 = e, o.y1 = e += o.value * s }, Bg = (1 + Math.sqrt(5)) / 2, jg = function t(n) { function e(t, e, r, i, o) { nu(n, t, e, r, i, o) } return e.ratio = function (n) { return t((n = +n) > 1 ? n : 1) }, e }(Bg), Hg = function () { function t(t) { return t.x0 = t.y0 = 0, t.x1 = i, t.y1 = o, t.eachBefore(n), u = [0], r && t.eachBefore(Rg), t } function n(t) { var n = u[t.depth], r = t.x0 + n, i = t.y0 + n, o = t.x1 - n, h = t.y1 - n; o < r && (r = o = (r + o) / 2), h < i && (i = h = (i + h) / 2), t.x0 = r, t.y0 = i, t.x1 = o, t.y1 = h, t.children && (n = u[t.depth + 1] = a(t) / 2, r += l(t) - n, i += c(t) - n, o -= s(t) - n, h -= f(t) - n, o < r && (r = o = (r + o) / 2), h < i && (i = h = (i + h) / 2), e(t, r, i, o, h)) } var e = jg, r = !1, i = 1, o = 1, u = [0], a = Io, c = Io, s = Io, f = Io, l = Io; return t.round = function (n) { return arguments.length ? 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ub = Wa($x("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")), ab = 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cb = function (t) { return function () { return t } }, sb = 1e-12, fb = Math.PI, lb = fb / 2, hb = 2 * fb, pb = function () { function t() { var t, s, f = +n.apply(this, arguments), l = +e.apply(this, arguments), h = o.apply(this, arguments) - lb, p = u.apply(this, arguments) - lb, d = Math.abs(p - h), v = p > h; if (c || (c = t = Re()), l < f && (s = l, l = f, f = s), l > sb) if (d > hb - sb) c.moveTo(l * Math.cos(h), l * Math.sin(h)), c.arc(0, 0, l, h, p, !v), f > sb && (c.moveTo(f * Math.cos(p), f * Math.sin(p)), c.arc(0, 0, f, p, h, v)); else { var _, y, g = h, m = p, x = h, b = p, w = d, M = d, T = a.apply(this, arguments) / 2, N = T > sb && (i ? +i.apply(this, arguments) : Math.sqrt(f * f + l * l)), k = Math.min(Math.abs(l - f) / 2, +r.apply(this, arguments)), S = k, E = k; if (N > sb) { var A = tc(N / f * Math.sin(T)), C = tc(N / l * Math.sin(T)); (w -= 2 * A) > sb ? (A *= v ? 1 : -1, x += A, b -= A) : (w = 0, x = b = (h + p) / 2), (M -= 2 * C) > sb ? (C *= v ? 1 : -1, g += C, m -= C) : (M = 0, g = m = (h + p) / 2) } var z = l * Math.cos(g), P = l * Math.sin(g), R = f * Math.cos(b), q = f * Math.sin(b); if (k > sb) { var L = l * Math.cos(m), U = l * Math.sin(m), D = f * Math.cos(x), O = f * Math.sin(x); if (d < fb) { var F = w > sb ? nc(z, P, D, O, L, U, R, q) : [R, q], I = z - F[0], Y = P - F[1], B = L - F[0], j = U - F[1], H = 1 / Math.sin(Math.acos((I * B + Y * j) / (Math.sqrt(I * I + Y * Y) * Math.sqrt(B * B + j * j))) / 2), X = Math.sqrt(F[0] * F[0] + F[1] * F[1]); S = Math.min(k, (f - X) / (H - 1)), E = Math.min(k, (l - X) / (H + 1)) } } M > sb ? E > sb ? (_ = ec(D, O, z, P, l, E, v), y = ec(L, U, R, q, l, E, v), c.moveTo(_.cx + _.x01, _.cy + _.y01), E < k ? c.arc(_.cx, _.cy, E, Math.atan2(_.y01, _.x01), Math.atan2(y.y01, y.x01), !v) : (c.arc(_.cx, _.cy, E, Math.atan2(_.y01, _.x01), Math.atan2(_.y11, _.x11), !v), c.arc(0, 0, l, Math.atan2(_.cy + _.y11, _.cx + _.x11), Math.atan2(y.cy + y.y11, y.cx + y.x11), !v), c.arc(y.cx, y.cy, E, Math.atan2(y.y11, y.x11), Math.atan2(y.y01, y.x01), !v))) : (c.moveTo(z, P), c.arc(0, 0, l, g, m, !v)) : c.moveTo(z, P), f > sb && w > sb ? S > sb ? (_ = ec(R, q, L, U, f, -S, v), y = ec(z, P, D, O, f, -S, v), c.lineTo(_.cx + _.x01, _.cy + _.y01), S < k ? c.arc(_.cx, _.cy, S, Math.atan2(_.y01, _.x01), Math.atan2(y.y01, y.x01), !v) : (c.arc(_.cx, _.cy, S, Math.atan2(_.y01, _.x01), Math.atan2(_.y11, _.x11), !v), c.arc(0, 0, f, Math.atan2(_.cy + _.y11, _.cx + _.x11), Math.atan2(y.cy + y.y11, y.cx + y.x11), v), c.arc(y.cx, y.cy, S, Math.atan2(y.y11, y.x11), Math.atan2(y.y01, y.x01), !v))) : c.arc(0, 0, f, b, x, v) : c.lineTo(R, q) } else c.moveTo(0, 0); if (c.closePath(), t) return c = null, t + "" || null } var n = Za, e = Ga, r = cb(0), i = null, o = Ja, u = Qa, a = Ka, c = null; return t.centroid = function () { var t = (+n.apply(this, arguments) + +e.apply(this, arguments)) / 2, r = (+o.apply(this, arguments) + +u.apply(this, arguments)) / 2 - fb / 2; return [Math.cos(r) * t, Math.sin(r) * t] }, t.innerRadius = function (e) { return arguments.length ? (n = "function" == typeof e ? e : cb(+e), t) : n }, t.outerRadius = function (n) { return arguments.length ? (e = "function" == typeof n ? n : cb(+n), t) : e }, t.cornerRadius = function (n) { return arguments.length ? (r = "function" == typeof n ? n : cb(+n), t) : r }, t.padRadius = function (n) { return arguments.length ? (i = null == n ? null : "function" == typeof n ? n : cb(+n), t) : i }, t.startAngle = function (n) { return arguments.length ? (o = "function" == typeof n ? n : cb(+n), t) : o }, t.endAngle = function (n) { return arguments.length ? (u = "function" == typeof n ? n : cb(+n), t) : u }, t.padAngle = function (n) { return arguments.length ? (a = "function" == typeof n ? n : cb(+n), t) : a }, t.context = function (n) { return arguments.length ? (c = null == n ? null : n, t) : c }, t }; rc.prototype = { areaStart: function () { this._line = 0 }, areaEnd: function () { this._line = NaN }, lineStart: function () { this._point = 0 }, lineEnd: function () { (this._line || 0 !== this._line && 1 === this._point) && this._context.closePath(), this._line = 1 - this._line }, point: function (t, n) { switch (t = +t, n = +n, this._point) { case 0: this._point = 1, this._line ? this._context.lineTo(t, n) : this._context.moveTo(t, n); break; case 1: this._point = 2; default: this._context.lineTo(t, n) } } }; var db = function (t) { return new rc(t) }, vb = function () { function t(t) { var a, c, s, f = t.length, l = !1; for (null == i && (u = o(s = Re())), a = 0; a <= f; ++a)!(a < f && r(c = t[a], a, t)) === l && ((l = !l) ? u.lineStart() : u.lineEnd()), l && u.point(+n(c, a, t), +e(c, a, t)); if (s) return u = null, s + "" || null } var n = ic, e = oc, r = cb(!0), i = null, o = db, u = null; return t.x = function (e) { return arguments.length ? (n = "function" == typeof e ? e : cb(+e), t) : n }, t.y = function (n) { return arguments.length ? (e = "function" == typeof n ? n : cb(+n), t) : e }, t.defined = function (n) { return arguments.length ? (r = "function" == typeof n ? n : cb(!!n), t) : r }, t.curve = function (n) { return arguments.length ? (o = n, null != i && (u = o(i)), t) : o }, t.context = function (n) { return arguments.length ? (null == n ? i = u = null : u = o(i = n), t) : i }, t }, _b = function () { function t(t) { var n, f, l, h, p, d = t.length, v = !1, _ = new Array(d), y = new Array(d); for (null == a && (s = c(p = Re())), n = 0; n <= d; ++n) { if (!(n < d && u(h = t[n], n, t)) === v) if (v = !v) f = n, s.areaStart(), s.lineStart(); else { for (s.lineEnd(), s.lineStart(), l = n - 1; l >= f; --l)s.point(_[l], y[l]); s.lineEnd(), s.areaEnd() } v && (_[n] = +e(h, n, t), y[n] = +i(h, n, t), s.point(r ? +r(h, n, t) : _[n], o ? +o(h, n, t) : y[n])) } if (p) return s = null, p + "" || null } function n() { return vb().defined(u).curve(c).context(a) } var e = ic, r = null, i = cb(0), o = oc, u = cb(!0), a = null, c = db, s = null; return t.x = function (n) { return arguments.length ? (e = "function" == typeof n ? n : cb(+n), r = null, t) : e }, t.x0 = function (n) { return arguments.length ? (e = "function" == typeof n ? n : cb(+n), t) : e }, t.x1 = function (n) { return arguments.length ? (r = null == n ? null : "function" == typeof n ? n : cb(+n), t) : r }, t.y = function (n) { return arguments.length ? (i = "function" == typeof n ? n : cb(+n), o = null, t) : i }, t.y0 = function (n) { return arguments.length ? (i = "function" == typeof n ? n : cb(+n), t) : i }, t.y1 = function (n) { return arguments.length ? (o = null == n ? null : "function" == typeof n ? n : cb(+n), t) : o }, t.lineX0 = t.lineY0 = function () { return n().x(e).y(i) }, t.lineY1 = function () { return n().x(e).y(o) }, t.lineX1 = function () { return n().x(r).y(i) }, t.defined = function (n) { return arguments.length ? (u = "function" == typeof n ? n : cb(!!n), t) : u }, t.curve = function (n) { return arguments.length ? (c = n, null != a && (s = c(a)), t) : c }, t.context = function (n) { return arguments.length ? (null == n ? a = s = null : s = c(a = n), t) : a }, t }, yb = function (t, n) { return n < t ? -1 : n > t ? 1 : n >= t ? 0 : NaN }, gb = function (t) { return t }, mb = function () { function t(t) { var a, c, s, f, l, h = t.length, p = 0, d = new Array(h), v = new Array(h), _ = +i.apply(this, arguments), y = Math.min(hb, Math.max(-hb, o.apply(this, arguments) - _)), g = Math.min(Math.abs(y) / h, u.apply(this, arguments)), m = g * (y < 0 ? -1 : 1); for (a = 0; a < h; ++a)(l = v[d[a] = a] = +n(t[a], a, t)) > 0 && (p += l); for (null != e ? d.sort(function (t, n) { return e(v[t], v[n]) }) : null != r && d.sort(function (n, e) { return r(t[n], t[e]) }), a = 0, s = p ? (y - h * m) / p : 0; a < h; ++a, _ = f)c = d[a], l = v[c], f = _ + (l > 0 ? l * s : 0) + m, v[c] = { data: t[c], index: a, value: l, startAngle: _, endAngle: f, padAngle: g }; return v } var n = gb, e = yb, r = null, i = cb(0), o = cb(hb), u = cb(0); return t.value = function (e) { return arguments.length ? (n = "function" == typeof e ? e : cb(+e), t) : n }, t.sortValues = function (n) { return arguments.length ? (e = n, r = null, t) : e }, t.sort = function (n) { return arguments.length ? (r = n, e = null, t) : r }, t.startAngle = function (n) { return arguments.length ? (i = "function" == typeof n ? n : cb(+n), t) : i }, t.endAngle = function (n) { return arguments.length ? (o = "function" == typeof n ? n : cb(+n), t) : o }, t.padAngle = function (n) { return arguments.length ? (u = "function" == typeof n ? n : cb(+n), t) : u }, t }, xb = ac(db); uc.prototype = { areaStart: function () { this._curve.areaStart() }, areaEnd: function () { this._curve.areaEnd() }, lineStart: function () { this._curve.lineStart() }, lineEnd: function () { this._curve.lineEnd() }, point: function (t, n) { this._curve.point(n * Math.sin(t), n * -Math.cos(t)) } }; var bb = function () { return cc(vb().curve(xb)) }, wb = function () { var t = _b().curve(xb), n = t.curve, e = t.lineX0, r = t.lineX1, i = t.lineY0, o = t.lineY1; return t.angle = t.x, delete t.x, t.startAngle = t.x0, delete t.x0, t.endAngle = t.x1, delete t.x1, t.radius = t.y, delete t.y, t.innerRadius = t.y0, delete t.y0, t.outerRadius = t.y1, delete t.y1, t.lineStartAngle = function () { return cc(e()) }, delete t.lineX0, t.lineEndAngle = function () { return cc(r()) }, delete t.lineX1, t.lineInnerRadius = function () { return cc(i()) }, delete t.lineY0, t.lineOuterRadius = function () { return cc(o()) }, delete t.lineY1, t.curve = function (t) { return arguments.length ? n(ac(t)) : n()._curve }, t }, Mb = { draw: function (t, n) { var e = Math.sqrt(n / fb); t.moveTo(e, 0), t.arc(0, 0, e, 0, hb) } }, Tb = { draw: function (t, n) { var e = Math.sqrt(n / 5) / 2; t.moveTo(-3 * e, -e), t.lineTo(-e, -e), t.lineTo(-e, -3 * e), t.lineTo(e, -3 * e), t.lineTo(e, -e), t.lineTo(3 * e, -e), t.lineTo(3 * e, e), t.lineTo(e, e), t.lineTo(e, 3 * e), t.lineTo(-e, 3 * e), t.lineTo(-e, e), t.lineTo(-3 * e, e), t.closePath() } }, Nb = Math.sqrt(1 / 3), kb = 2 * Nb, Sb = { draw: function (t, n) { var e = Math.sqrt(n / kb), r = e * Nb; t.moveTo(0, -e), t.lineTo(r, 0), t.lineTo(0, e), t.lineTo(-r, 0), t.closePath() } }, Eb = .8908130915292852, Ab = Math.sin(fb / 10) / Math.sin(7 * fb / 10), Cb = Math.sin(hb / 10) * Ab, zb = -Math.cos(hb / 10) * Ab, Pb = { draw: function (t, n) { var e = Math.sqrt(n * Eb), r = Cb * e, i = zb * e; t.moveTo(0, -e), t.lineTo(r, i); for (var o = 1; o < 5; ++o) { var u = hb * o / 5, a = Math.cos(u), c = Math.sin(u); t.lineTo(c * e, -a * e), t.lineTo(a * r - c * i, c * r + a * i) } t.closePath() } }, Rb = { draw: function (t, n) { var e = Math.sqrt(n), r = -e / 2; t.rect(r, r, e, e) } }, qb = Math.sqrt(3), Lb = { draw: function (t, n) { var e = -Math.sqrt(n / (3 * qb)); t.moveTo(0, 2 * e), t.lineTo(-qb * e, -e), t.lineTo(qb * e, -e), t.closePath() } }, Ub = -.5, Db = Math.sqrt(3) / 2, Ob = 1 / Math.sqrt(12), Fb = 3 * (Ob / 2 + 1), Ib = { draw: function (t, n) { var e = Math.sqrt(n / Fb), r = e / 2, i = e * Ob, o = r, u = e * Ob + e, a = -o, c = u; t.moveTo(r, i), t.lineTo(o, u), t.lineTo(a, c), t.lineTo(Ub * r - Db * i, Db * r + Ub * i), t.lineTo(Ub * o - Db * u, Db * o + Ub * u), t.lineTo(Ub * a - Db * c, Db * a + Ub * c), t.lineTo(Ub * r + Db * i, Ub * i - Db * r), t.lineTo(Ub * o + Db * u, Ub * u - Db * o), t.lineTo(Ub * a + Db * c, Ub * c - Db * a), t.closePath() } }, Yb = [Mb, Tb, Sb, Rb, Pb, Lb, Ib], Bb = function () { function t() { var t; if (r || (r = t = Re()), n.apply(this, arguments).draw(r, +e.apply(this, arguments)), t) return r = null, t + "" || null } var n = cb(Mb), e = cb(64), r = null; return t.type = function (e) { return arguments.length ? (n = "function" == typeof e ? e : cb(e), t) : n }, t.size = function (n) { return arguments.length ? (e = "function" == typeof n ? n : cb(+n), t) : e }, t.context = function (n) { return arguments.length ? (r = null == n ? null : n, t) : r }, t }, jb = function () { }; fc.prototype = { areaStart: function () { this._line = 0 }, areaEnd: function () { this._line = NaN }, lineStart: function () { this._x0 = this._x1 = this._y0 = this._y1 = NaN, this._point = 0 }, lineEnd: function () { switch (this._point) { case 3: sc(this, this._x1, this._y1); case 2: this._context.lineTo(this._x1, this._y1) }(this._line || 0 !== this._line && 1 === this._point) && this._context.closePath(), this._line = 1 - this._line }, point: function (t, n) { switch (t = +t, n = +n, this._point) { case 0: this._point = 1, this._line ? this._context.lineTo(t, n) : this._context.moveTo(t, n); break; case 1: this._point = 2; break; case 2: this._point = 3, this._context.lineTo((5 * this._x0 + this._x1) / 6, (5 * this._y0 + this._y1) / 6); default: sc(this, t, n) }this._x0 = this._x1, this._x1 = t, this._y0 = this._y1, this._y1 = n } }; var Hb = function (t) { return new fc(t) }; lc.prototype = { areaStart: jb, areaEnd: jb, lineStart: function () { this._x0 = this._x1 = this._x2 = this._x3 = this._x4 = this._y0 = this._y1 = this._y2 = this._y3 = this._y4 = NaN, this._point = 0 }, lineEnd: function () { switch (this._point) { case 1: this._context.moveTo(this._x2, this._y2), this._context.closePath(); break; case 2: this._context.moveTo((this._x2 + 2 * this._x3) / 3, (this._y2 + 2 * this._y3) / 3), this._context.lineTo((this._x3 + 2 * this._x2) / 3, (this._y3 + 2 * this._y2) / 3), this._context.closePath(); break; case 3: this.point(this._x2, this._y2), this.point(this._x3, this._y3), this.point(this._x4, this._y4) } }, point: function (t, n) { switch (t = +t, n = +n, this._point) { case 0: this._point = 1, this._x2 = t, this._y2 = n; break; case 1: this._point = 2, this._x3 = t, this._y3 = n; break; case 2: this._point = 3, this._x4 = t, this._y4 = n, this._context.moveTo((this._x0 + 4 * this._x1 + t) / 6, (this._y0 + 4 * this._y1 + n) / 6); break; default: sc(this, t, n) }this._x0 = this._x1, this._x1 = t, this._y0 = this._y1, this._y1 = n } }; var Xb = function (t) { return new lc(t) }; hc.prototype = { areaStart: function () { this._line = 0 }, areaEnd: function () { this._line = NaN }, lineStart: function () { this._x0 = this._x1 = this._y0 = this._y1 = NaN, this._point = 0 }, lineEnd: function () { (this._line || 0 !== this._line && 3 === this._point) && this._context.closePath(), this._line = 1 - this._line }, point: function (t, n) { switch (t = +t, n = +n, this._point) { case 0: this._point = 1; break; case 1: this._point = 2; break; case 2: this._point = 3; var e = (this._x0 + 4 * this._x1 + t) / 6, r = (this._y0 + 4 * this._y1 + n) / 6; this._line ? this._context.lineTo(e, r) : this._context.moveTo(e, r); break; case 3: this._point = 4; default: sc(this, t, n) }this._x0 = this._x1, this._x1 = t, this._y0 = this._y1, this._y1 = n } }; var Vb = function (t) { return new hc(t) }; pc.prototype = { lineStart: function () { this._x = [], this._y = [], this._basis.lineStart() }, lineEnd: function () { var t = this._x, n = this._y, e = t.length - 1; if (e > 0) for (var r, i = t[0], o = n[0], u = t[e] - i, a = n[e] - o, c = -1; ++c <= e;)r = c / e, this._basis.point(this._beta * t[c] + (1 - this._beta) * (i + r * u), this._beta * n[c] + (1 - this._beta) * (o + r * a)); this._x = this._y = null, this._basis.lineEnd() }, point: function (t, n) { this._x.push(+t), this._y.push(+n) } }; var Wb = function t(n) { function e(t) { return 1 === n ? new fc(t) : new pc(t, n) } return e.beta = function (n) { return t(+n) }, e }(.85); vc.prototype = { areaStart: function () { this._line = 0 }, areaEnd: function () { this._line = NaN }, lineStart: function () { this._x0 = this._x1 = this._x2 = this._y0 = this._y1 = this._y2 = NaN, this._point = 0 }, lineEnd: function () { switch (this._point) { case 2: this._context.lineTo(this._x2, this._y2); break; case 3: dc(this, this._x1, this._y1) }(this._line || 0 !== this._line && 1 === this._point) && this._context.closePath(), this._line = 1 - this._line }, point: function (t, n) { switch (t = +t, n = +n, this._point) { case 0: this._point = 1, this._line ? this._context.lineTo(t, n) : this._context.moveTo(t, n); break; case 1: this._point = 2, this._x1 = t, this._y1 = n; break; case 2: this._point = 3; default: dc(this, t, n) }this._x0 = this._x1, this._x1 = this._x2, this._x2 = t, this._y0 = this._y1, this._y1 = this._y2, this._y2 = n } }; var $b = function t(n) { function e(t) { return new vc(t, n) } return e.tension = function (n) { return t(+n) }, e }(0); _c.prototype = { areaStart: jb, areaEnd: jb, lineStart: function () { this._x0 = this._x1 = this._x2 = this._x3 = this._x4 = this._x5 = this._y0 = this._y1 = this._y2 = this._y3 = this._y4 = this._y5 = NaN, this._point = 0 }, lineEnd: function () { switch (this._point) { case 1: this._context.moveTo(this._x3, this._y3), this._context.closePath(); break; case 2: this._context.lineTo(this._x3, this._y3), this._context.closePath(); break; case 3: this.point(this._x3, this._y3), this.point(this._x4, this._y4), this.point(this._x5, this._y5) } }, point: function (t, n) { switch (t = +t, n = +n, this._point) { case 0: this._point = 1, this._x3 = t, this._y3 = n; break; case 1: this._point = 2, this._context.moveTo(this._x4 = t, this._y4 = n); break; case 2: this._point = 3, this._x5 = t, this._y5 = n; break; default: dc(this, t, n) }this._x0 = this._x1, this._x1 = this._x2, this._x2 = t, this._y0 = this._y1, this._y1 = this._y2, this._y2 = n } }; var Zb = function t(n) { function e(t) { return new _c(t, n) } return e.tension = function (n) { return t(+n) }, e }(0); yc.prototype = { areaStart: function () { this._line = 0 }, areaEnd: function () { this._line = NaN }, lineStart: function () { this._x0 = this._x1 = this._x2 = this._y0 = this._y1 = this._y2 = NaN, this._point = 0 }, lineEnd: function () { (this._line || 0 !== this._line && 3 === this._point) && this._context.closePath(), this._line = 1 - this._line }, point: function (t, n) { switch (t = +t, n = +n, this._point) { case 0: this._point = 1; break; case 1: this._point = 2; break; case 2: this._point = 3, this._line ? this._context.lineTo(this._x2, this._y2) : this._context.moveTo(this._x2, this._y2); break; case 3: this._point = 4; default: dc(this, t, n) }this._x0 = this._x1, this._x1 = this._x2, this._x2 = t, this._y0 = this._y1, this._y1 = this._y2, this._y2 = n } }; var Gb = function t(n) { function e(t) { return new yc(t, n) } return e.tension = function (n) { return t(+n) }, e }(0); mc.prototype = { areaStart: function () { this._line = 0 }, areaEnd: function () { this._line = NaN }, lineStart: function () { this._x0 = this._x1 = this._x2 = this._y0 = this._y1 = this._y2 = NaN, this._l01_a = this._l12_a = this._l23_a = this._l01_2a = this._l12_2a = this._l23_2a = this._point = 0 }, lineEnd: function () { switch (this._point) { case 2: this._context.lineTo(this._x2, this._y2); break; case 3: this.point(this._x2, this._y2) }(this._line || 0 !== this._line && 1 === this._point) && this._context.closePath(), this._line = 1 - this._line }, point: function (t, n) { if (t = +t, n = +n, this._point) { var e = this._x2 - t, r = this._y2 - n; this._l23_a = Math.sqrt(this._l23_2a = Math.pow(e * e + r * r, this._alpha)) } switch (this._point) { case 0: this._point = 1, this._line ? this._context.lineTo(t, n) : this._context.moveTo(t, n); break; case 1: this._point = 2; break; case 2: this._point = 3; default: gc(this, t, n) }this._l01_a = this._l12_a, this._l12_a = this._l23_a, this._l01_2a = this._l12_2a, this._l12_2a = this._l23_2a, this._x0 = this._x1, this._x1 = this._x2, this._x2 = t, this._y0 = this._y1, this._y1 = this._y2, this._y2 = n } }; var Jb = function t(n) { function e(t) { return n ? new mc(t, n) : new vc(t, 0) } return e.alpha = function (n) { return t(+n) }, e }(.5); xc.prototype = { areaStart: jb, areaEnd: jb, lineStart: function () { this._x0 = this._x1 = this._x2 = this._x3 = this._x4 = this._x5 = this._y0 = this._y1 = this._y2 = this._y3 = this._y4 = this._y5 = NaN, this._l01_a = this._l12_a = this._l23_a = this._l01_2a = this._l12_2a = this._l23_2a = this._point = 0 }, lineEnd: function () { switch (this._point) { case 1: this._context.moveTo(this._x3, this._y3), this._context.closePath(); break; case 2: this._context.lineTo(this._x3, this._y3), this._context.closePath(); break; case 3: this.point(this._x3, this._y3), this.point(this._x4, this._y4), this.point(this._x5, this._y5) } }, point: function (t, n) { if (t = +t, n = +n, this._point) { var e = this._x2 - t, r = this._y2 - n; this._l23_a = Math.sqrt(this._l23_2a = Math.pow(e * e + r * r, this._alpha)) } switch (this._point) { case 0: this._point = 1, this._x3 = t, this._y3 = n; break; case 1: this._point = 2, this._context.moveTo(this._x4 = t, this._y4 = n); break; case 2: this._point = 3, this._x5 = t, this._y5 = n; break; default: gc(this, t, n) }this._l01_a = this._l12_a, this._l12_a = this._l23_a, this._l01_2a = this._l12_2a, this._l12_2a = this._l23_2a, this._x0 = this._x1, this._x1 = this._x2, this._x2 = t, this._y0 = this._y1, this._y1 = this._y2, this._y2 = n } }; var Qb = function t(n) { function e(t) { return n ? new xc(t, n) : new _c(t, 0) } return e.alpha = function (n) { return t(+n) }, e }(.5); bc.prototype = {
      areaStart: function () { this._line = 0 }, areaEnd: function () { this._line = NaN }, lineStart: function () {
        this._x0 = this._x1 = this._x2 = this._y0 = this._y1 = this._y2 = NaN, this._l01_a = this._l12_a = this._l23_a = this._l01_2a = this._l12_2a = this._l23_2a = this._point = 0;
      }, lineEnd: function () { (this._line || 0 !== this._line && 3 === this._point) && this._context.closePath(), this._line = 1 - this._line }, point: function (t, n) { if (t = +t, n = +n, this._point) { var e = this._x2 - t, r = this._y2 - n; this._l23_a = Math.sqrt(this._l23_2a = Math.pow(e * e + r * r, this._alpha)) } switch (this._point) { case 0: this._point = 1; break; case 1: this._point = 2; break; case 2: this._point = 3, this._line ? this._context.lineTo(this._x2, this._y2) : this._context.moveTo(this._x2, this._y2); break; case 3: this._point = 4; default: gc(this, t, n) }this._l01_a = this._l12_a, this._l12_a = this._l23_a, this._l01_2a = this._l12_2a, this._l12_2a = this._l23_2a, this._x0 = this._x1, this._x1 = this._x2, this._x2 = t, this._y0 = this._y1, this._y1 = this._y2, this._y2 = n }
    }; var Kb = function t(n) { function e(t) { return n ? new bc(t, n) : new yc(t, 0) } return e.alpha = function (n) { return t(+n) }, e }(.5); wc.prototype = { areaStart: jb, areaEnd: jb, lineStart: function () { this._point = 0 }, lineEnd: function () { this._point && this._context.closePath() }, point: function (t, n) { t = +t, n = +n, this._point ? this._context.lineTo(t, n) : (this._point = 1, this._context.moveTo(t, n)) } }; var tw = function (t) { return new wc(t) }; Sc.prototype = { areaStart: function () { this._line = 0 }, areaEnd: function () { this._line = NaN }, lineStart: function () { this._x0 = this._x1 = this._y0 = this._y1 = this._t0 = NaN, this._point = 0 }, lineEnd: function () { switch (this._point) { case 2: this._context.lineTo(this._x1, this._y1); break; case 3: kc(this, this._t0, Nc(this, this._t0)) }(this._line || 0 !== this._line && 1 === this._point) && this._context.closePath(), this._line = 1 - this._line }, point: function (t, n) { var e = NaN; if (t = +t, n = +n, t !== this._x1 || n !== this._y1) { switch (this._point) { case 0: this._point = 1, this._line ? this._context.lineTo(t, n) : this._context.moveTo(t, n); break; case 1: this._point = 2; break; case 2: this._point = 3, kc(this, Nc(this, e = Tc(this, t, n)), e); break; default: kc(this, this._t0, e = Tc(this, t, n)) }this._x0 = this._x1, this._x1 = t, this._y0 = this._y1, this._y1 = n, this._t0 = e } } }, (Ec.prototype = Object.create(Sc.prototype)).point = function (t, n) { Sc.prototype.point.call(this, n, t) }, Ac.prototype = { moveTo: function (t, n) { this._context.moveTo(n, t) }, closePath: function () { this._context.closePath() }, lineTo: function (t, n) { this._context.lineTo(n, t) }, bezierCurveTo: function (t, n, e, r, i, o) { this._context.bezierCurveTo(n, t, r, e, o, i) } }, Pc.prototype = { areaStart: function () { this._line = 0 }, areaEnd: function () { this._line = NaN }, lineStart: function () { this._x = [], this._y = [] }, lineEnd: function () { var t = this._x, n = this._y, e = t.length; if (e) if (this._line ? this._context.lineTo(t[0], n[0]) : this._context.moveTo(t[0], n[0]), 2 === e) this._context.lineTo(t[1], n[1]); else for (var r = Rc(t), i = Rc(n), o = 0, u = 1; u < e; ++o, ++u)this._context.bezierCurveTo(r[0][o], i[0][o], r[1][o], i[1][o], t[u], n[u]); (this._line || 0 !== this._line && 1 === e) && this._context.closePath(), this._line = 1 - this._line, this._x = this._y = null }, point: function (t, n) { this._x.push(+t), this._y.push(+n) } }; var nw = function (t) { return new Pc(t) }; qc.prototype = { areaStart: function () { this._line = 0 }, areaEnd: function () { this._line = NaN }, lineStart: function () { this._x = this._y = NaN, this._point = 0 }, lineEnd: function () { 0 < this._t && this._t < 1 && 2 === this._point && this._context.lineTo(this._x, this._y), (this._line || 0 !== this._line && 1 === this._point) && this._context.closePath(), this._line >= 0 && (this._t = 1 - this._t, this._line = 1 - this._line) }, point: function (t, n) { switch (t = +t, n = +n, this._point) { case 0: this._point = 1, this._line ? this._context.lineTo(t, n) : this._context.moveTo(t, n); break; case 1: this._point = 2; default: if (this._t <= 0) this._context.lineTo(this._x, n), this._context.lineTo(t, n); else { var e = this._x * (1 - this._t) + t * this._t; this._context.lineTo(e, this._y), this._context.lineTo(e, n) } }this._x = t, this._y = n } }; var ew = function (t) { return new qc(t, .5) }, rw = Array.prototype.slice, iw = function (t, n) { if ((r = t.length) > 1) for (var e, r, i = 1, o = t[n[0]], u = o.length; i < r; ++i) { e = o, o = t[n[i]]; for (var a = 0; a < u; ++a)o[a][1] += o[a][0] = isNaN(e[a][1]) ? e[a][0] : e[a][1] } }, ow = function (t) { for (var n = t.length, e = new Array(n); --n >= 0;)e[n] = n; return e }, uw = function () { function t(t) { var o, u, a = n.apply(this, arguments), c = t.length, s = a.length, f = new Array(s); for (o = 0; o < s; ++o) { for (var l, h = a[o], p = f[o] = new Array(c), d = 0; d < c; ++d)p[d] = l = [0, +i(t[d], h, d, t)], l.data = t[d]; p.key = h } for (o = 0, u = e(f); o < s; ++o)f[u[o]].index = o; return r(f, u), f } var n = cb([]), e = ow, r = iw, i = Dc; return t.keys = function (e) { return arguments.length ? (n = "function" == typeof e ? e : cb(rw.call(e)), t) : n }, t.value = function (n) { return arguments.length ? (i = "function" == typeof n ? n : cb(+n), t) : i }, t.order = function (n) { return arguments.length ? (e = null == n ? ow : "function" == typeof n ? n : cb(rw.call(n)), t) : e }, t.offset = function (n) { return arguments.length ? (r = null == n ? iw : n, t) : r }, t }, aw = function (t, n) { if ((r = t.length) > 0) { for (var e, r, i, o = 0, u = t[0].length; o < u; ++o) { for (i = e = 0; e < r; ++e)i += t[e][o][1] || 0; if (i) for (e = 0; e < r; ++e)t[e][o][1] /= i } iw(t, n) } }, cw = function (t, n) { if ((e = t.length) > 0) { for (var e, r = 0, i = t[n[0]], o = i.length; r < o; ++r) { for (var u = 0, a = 0; u < e; ++u)a += t[u][r][1] || 0; i[r][1] += i[r][0] = -a / 2 } iw(t, n) } }, sw = function (t, n) { if ((i = t.length) > 0 && (r = (e = t[n[0]]).length) > 0) { for (var e, r, i, o = 0, u = 1; u < r; ++u) { for (var a = 0, c = 0, s = 0; a < i; ++a) { for (var f = t[n[a]], l = f[u][1] || 0, h = f[u - 1][1] || 0, p = (l - h) / 2, d = 0; d < a; ++d) { var v = t[n[d]], _ = v[u][1] || 0, y = v[u - 1][1] || 0; p += _ - y } c += l, s += p * l } e[u - 1][1] += e[u - 1][0] = o, c && (o -= s / c) } e[u - 1][1] += e[u - 1][0] = o, iw(t, n) } }, fw = function (t) { var n = t.map(Oc); return ow(t).sort(function (t, e) { return n[t] - n[e] }) }, lw = function (t) { return fw(t).reverse() }, hw = function (t) { var n, e, r = t.length, i = t.map(Oc), o = ow(t).sort(function (t, n) { return i[n] - i[t] }), u = 0, a = 0, c = [], s = []; for (n = 0; n < r; ++n)e = o[n], u < a ? (u += i[e], c.push(e)) : (a += i[e], s.push(e)); return s.reverse().concat(c) }, pw = function (t) { return ow(t).reverse() }, dw = function (t) { return function () { return t } }; Yc.prototype = { constructor: Yc, insert: function (t, n) { var e, r, i; if (t) { if (n.P = t, n.N = t.N, t.N && (t.N.P = n), t.N = n, t.R) { for (t = t.R; t.L;)t = t.L; t.L = n } else t.R = n; e = t } else this._ ? (t = Xc(this._), n.P = null, n.N = t, t.P = t.L = n, e = t) : (n.P = n.N = null, this._ = n, e = null); for (n.L = n.R = null, n.U = e, n.C = !0, t = n; e && e.C;)r = e.U, e === r.L ? (i = r.R, i && i.C ? (e.C = i.C = !1, r.C = !0, t = r) : (t === e.R && (jc(this, e), t = e, e = t.U), e.C = !1, r.C = !0, Hc(this, r))) : (i = r.L, i && i.C ? (e.C = i.C = !1, r.C = !0, t = r) : (t === e.L && (Hc(this, e), t = e, e = t.U), e.C = !1, r.C = !0, jc(this, r))), e = t.U; this._.C = !1 }, remove: function (t) { t.N && (t.N.P = t.P), t.P && (t.P.N = t.N), t.N = t.P = null; var n, e, r, i = t.U, o = t.L, u = t.R; if (e = o ? u ? Xc(u) : o : u, i ? i.L === t ? i.L = e : i.R = e : this._ = e, o && u ? (r = e.C, e.C = t.C, e.L = o, o.U = e, e !== u ? (i = e.U, e.U = t.U, t = e.R, i.L = t, e.R = u, u.U = e) : (e.U = i, i = e, t = e.R)) : (r = t.C, t = e), t && (t.U = i), !r) { if (t && t.C) return void (t.C = !1); do { if (t === this._) break; if (t === i.L) { if (n = i.R, n.C && (n.C = !1, i.C = !0, jc(this, i), n = i.R), n.L && n.L.C || n.R && n.R.C) { n.R && n.R.C || (n.L.C = !1, n.C = !0, Hc(this, n), n = i.R), n.C = i.C, i.C = n.R.C = !1, jc(this, i), t = this._; break } } else if (n = i.L, n.C && (n.C = !1, i.C = !0, Hc(this, i), n = i.L), n.L && n.L.C || n.R && n.R.C) { n.L && n.L.C || (n.R.C = !1, n.C = !0, jc(this, n), n = i.L), n.C = i.C, i.C = n.L.C = !1, Hc(this, i), t = this._; break } n.C = !0, t = i, i = i.U } while (!t.C); t && (t.C = !1) } } }; var vw, _w, yw, gw, mw, xw = [], bw = [], ww = 1e-6, Mw = 1e-12; _s.prototype = { constructor: _s, polygons: function () { var t = this.edges; return this.cells.map(function (n) { var e = n.halfedges.map(function (e) { return ts(n, t[e]) }); return e.data = n.site.data, e }) }, triangles: function () { var t = [], n = this.edges; return this.cells.forEach(function (e, r) { if (o = (i = e.halfedges).length) for (var i, o, u, a = e.site, c = -1, s = n[i[o - 1]], f = s.left === a ? s.right : s.left; ++c < o;)u = f, s = n[i[c]], f = s.left === a ? s.right : s.left, u && f && r < u.index && r < f.index && ds(a, u, f) < 0 && t.push([a.data, u.data, f.data]) }), t }, links: function () { return this.edges.filter(function (t) { return t.right }).map(function (t) { return { source: t.left.data, target: t.right.data } }) }, find: function (t, n, e) { for (var r, i, o = this, u = o._found || 0, a = o.cells.length; !(i = o.cells[u]);)if (++u >= a) return null; var c = t - i.site[0], s = n - i.site[1], f = c * c + s * s; do i = o.cells[r = u], u = null, i.halfedges.forEach(function (e) { var r = o.edges[e], a = r.left; if (a !== i.site && a || (a = r.right)) { var c = t - a[0], s = n - a[1], l = c * c + s * s; l < f && (f = l, u = a.index) } }); while (null !== u); return o._found = r, null == e || f <= e * e ? i.site : null } }; var Tw = function () { function t(t) { return new _s(t.map(function (r, i) { var o = [Math.round(n(r, i, t) / ww) * ww, Math.round(e(r, i, t) / ww) * ww]; return o.index = i, o.data = r, o }), r) } var n = Fc, e = Ic, r = null; return t.polygons = function (n) { return t(n).polygons() }, t.links = function (n) { return t(n).links() }, t.triangles = function (n) { return t(n).triangles() }, t.x = function (e) { return arguments.length ? (n = "function" == typeof e ? e : dw(+e), t) : n }, t.y = function (n) { return arguments.length ? (e = "function" == typeof n ? n : dw(+n), t) : e }, t.extent = function (n) { return arguments.length ? (r = null == n ? null : [[+n[0][0], +n[0][1]], [+n[1][0], +n[1][1]]], t) : r && [[r[0][0], r[0][1]], [r[1][0], r[1][1]]] }, t.size = function (n) { return arguments.length ? (r = null == n ? null : [[0, 0], [+n[0], +n[1]]], t) : r && [r[1][0] - r[0][0], r[1][1] - r[0][1]] }, t }, Nw = function (t) { return function () { return t } }; gs.prototype = { constructor: gs, scale: function (t) { return 1 === t ? this : new gs(this.k * t, this.x, this.y) }, translate: function (t, n) { return 0 === t & 0 === n ? this : new gs(this.k, this.x + this.k * t, this.y + this.k * n) }, apply: function (t) { return [t[0] * this.k + this.x, t[1] * this.k + this.y] }, applyX: function (t) { return t * this.k + this.x }, applyY: function (t) { return t * this.k + this.y }, invert: function (t) { return [(t[0] - this.x) / this.k, (t[1] - this.y) / this.k] }, invertX: function (t) { return (t - this.x) / this.k }, invertY: function (t) { return (t - this.y) / this.k }, rescaleX: function (t) { return t.copy().domain(t.range().map(this.invertX, this).map(t.invert, t)) }, rescaleY: function (t) { return t.copy().domain(t.range().map(this.invertY, this).map(t.invert, t)) }, toString: function () { return "translate(" + this.x + "," + this.y + ") scale(" + this.k + ")" } }; var kw = new gs(1, 0, 0); ms.prototype = gs.prototype; var Sw = function () { t.event.preventDefault(), t.event.stopImmediatePropagation() }, Ew = function () { function n(t) { t.on("wheel.zoom", s).on("mousedown.zoom", f).on("dblclick.zoom", l).on("touchstart.zoom", h).on("touchmove.zoom", d).on("touchend.zoom touchcancel.zoom", v).style("-webkit-tap-highlight-color", "rgba(0,0,0,0)").property("__zoom", Ms) } function e(t, n) { return n = Math.max(x, Math.min(b, n)), n === t.k ? t : new gs(n, t.x, t.y) } function r(t, n, e) { var r = n[0] - e[0] * t.k, i = n[1] - e[1] * t.k; return r === t.x && i === t.y ? t : new gs(t.k, r, i) } function i(t, n) { var e = t.invertX(n[0][0]) - w, r = t.invertX(n[1][0]) - M, i = t.invertY(n[0][1]) - T, o = t.invertY(n[1][1]) - N; return t.translate(r > e ? (e + r) / 2 : Math.min(0, e) || Math.max(0, r), o > i ? (i + o) / 2 : Math.min(0, i) || Math.max(0, o)) } function o(t) { return [(+t[0][0] + +t[1][0]) / 2, (+t[0][1] + +t[1][1]) / 2] } function u(t, n, e) { t.on("start.zoom", function () { a(this, arguments).start() }).on("interrupt.zoom end.zoom", function () { a(this, arguments).end() }).tween("zoom", function () { var t = this, r = arguments, i = a(t, r), u = m.apply(t, r), c = e || o(u), s = Math.max(u[1][0] - u[0][0], u[1][1] - u[0][1]), f = t.__zoom, l = "function" == typeof n ? n.apply(t, r) : n, h = E(f.invert(c).concat(s / f.k), l.invert(c).concat(s / l.k)); return function (t) { if (1 === t) t = l; else { var n = h(t), e = s / n[2]; t = new gs(e, c[0] - n[0] * e, c[1] - n[1] * e) } i.zoom(null, t) } }) } function a(t, n) { for (var e, r = 0, i = A.length; r < i; ++r)if ((e = A[r]).that === t) return e; return new c(t, n) } function c(t, n) { this.that = t, this.args = n, this.index = -1, this.active = 0, this.extent = m.apply(t, n) } function s() { function n() { o.wheel = null, o.end() } if (g.apply(this, arguments)) { var o = a(this, arguments), u = this.__zoom, c = Math.max(x, Math.min(b, u.k * Math.pow(2, -t.event.deltaY * (t.event.deltaMode ? 120 : 1) / 500))), s = zf(this); if (o.wheel) o.mouse[0][0] === s[0] && o.mouse[0][1] === s[1] || (o.mouse[1] = u.invert(o.mouse[0] = s)), clearTimeout(o.wheel); else { if (u.k === c) return; o.mouse = [s, u.invert(s)], op(this), o.start() } Sw(), o.wheel = setTimeout(n, P), o.zoom("mouse", i(r(e(u, c), o.mouse[0], o.mouse[1]), o.extent)) } } function f() { function n() { Sw(), o.moved = !0, o.zoom("mouse", i(r(o.that.__zoom, o.mouse[0] = zf(o.that), o.mouse[1]), o.extent)) } function e() { u.on("mousemove.zoom mouseup.zoom", null), _t(t.event.view, o.moved), Sw(), o.end() } if (!y && g.apply(this, arguments)) { var o = a(this, arguments), u = pl(t.event.view).on("mousemove.zoom", n, !0).on("mouseup.zoom", e, !0), c = zf(this); gl(t.event.view), xs(), o.mouse = [c, this.__zoom.invert(c)], op(this), o.start() } } function l() { if (g.apply(this, arguments)) { var o = this.__zoom, a = zf(this), c = o.invert(a), s = o.k * (t.event.shiftKey ? .5 : 2), f = i(r(e(o, s), a, c), m.apply(this, arguments)); Sw(), k > 0 ? pl(this).transition().duration(k).call(u, f, a) : pl(this).call(n.transform, f) } } function h() { if (g.apply(this, arguments)) { var n, e, r, i, o = a(this, arguments), u = t.event.changedTouches, c = u.length; for (xs(), e = 0; e < c; ++e)r = u[e], i = vl(this, u, r.identifier), i = [i, this.__zoom.invert(i), r.identifier], o.touch0 ? o.touch1 || (o.touch1 = i) : (o.touch0 = i, n = !0); return _ && (_ = clearTimeout(_), !o.touch1) ? (o.end(), i = pl(this).on("dblclick.zoom"), void (i && i.apply(this, arguments))) : void (n && (_ = setTimeout(function () { _ = null }, z), op(this), o.start())) } } function d() { var n, o, u, c, s = a(this, arguments), f = t.event.changedTouches, l = f.length; for (Sw(), _ && (_ = clearTimeout(_)), n = 0; n < l; ++n)o = f[n], u = vl(this, f, o.identifier), s.touch0 && s.touch0[2] === o.identifier ? s.touch0[0] = u : s.touch1 && s.touch1[2] === o.identifier && (s.touch1[0] = u); if (o = s.that.__zoom, s.touch1) { var h = s.touch0[0], p = s.touch0[1], d = s.touch1[0], v = s.touch1[1], y = (y = d[0] - h[0]) * y + (y = d[1] - h[1]) * y, g = (g = v[0] - p[0]) * g + (g = v[1] - p[1]) * g; o = e(o, Math.sqrt(y / g)), u = [(h[0] + d[0]) / 2, (h[1] + d[1]) / 2], c = [(p[0] + v[0]) / 2, (p[1] + v[1]) / 2] } else { if (!s.touch0) return; u = s.touch0[0], c = s.touch0[1] } s.zoom("touch", i(r(o, u, c), s.extent)) } function v() { var n, e, r = a(this, arguments), i = t.event.changedTouches, o = i.length; for (xs(), y && clearTimeout(y), y = setTimeout(function () { y = null }, z), n = 0; n < o; ++n)e = i[n], r.touch0 && r.touch0[2] === e.identifier ? delete r.touch0 : r.touch1 && r.touch1[2] === e.identifier && delete r.touch1; r.touch1 && !r.touch0 && (r.touch0 = r.touch1, delete r.touch1), r.touch0 || r.end() } var _, y, g = bs, m = ws, x = 0, b = 1 / 0, w = -b, M = b, T = w, N = M, k = 250, E = Ch, A = [], C = p("start", "zoom", "end"), z = 500, P = 150; return n.transform = function (t, n) { var e = t.selection ? t.selection() : t; e.property("__zoom", Ms), t !== e ? u(t, n) : e.interrupt().each(function () { a(this, arguments).start().zoom(null, "function" == typeof n ? n.apply(this, arguments) : n).end() }) }, n.scaleBy = function (t, e) { n.scaleTo(t, function () { var t = this.__zoom.k, n = "function" == typeof e ? e.apply(this, arguments) : e; return t * n }) }, n.scaleTo = function (t, u) { n.transform(t, function () { var t = m.apply(this, arguments), n = this.__zoom, a = o(t), c = n.invert(a), s = "function" == typeof u ? u.apply(this, arguments) : u; return i(r(e(n, s), a, c), t) }) }, n.translateBy = function (t, e, r) { n.transform(t, function () { return i(this.__zoom.translate("function" == typeof e ? e.apply(this, arguments) : e, "function" == typeof r ? r.apply(this, arguments) : r), m.apply(this, arguments)) }) }, c.prototype = { start: function () { return 1 === ++this.active && (this.index = A.push(this) - 1, this.emit("start")), this }, zoom: function (t, n) { return this.mouse && "mouse" !== t && (this.mouse[1] = n.invert(this.mouse[0])), this.touch0 && "touch" !== t && (this.touch0[1] = n.invert(this.touch0[0])), this.touch1 && "touch" !== t && (this.touch1[1] = n.invert(this.touch1[0])), this.that.__zoom = n, this.emit("zoom"), this }, end: function () { return 0 === --this.active && (A.splice(this.index, 1), this.index = -1, this.emit("end")), this }, emit: function (t) { S(new ys(n, t, this.that.__zoom), C.apply, C, [t, this.that, this.args]) } }, n.filter = function (t) { return arguments.length ? (g = "function" == typeof t ? t : Nw(!!t), n) : g }, n.extent = function (t) { return arguments.length ? (m = "function" == typeof t ? t : Nw([[+t[0][0], +t[0][1]], [+t[1][0], +t[1][1]]]), n) : m }, n.scaleExtent = function (t) { return arguments.length ? (x = +t[0], b = +t[1], n) : [x, b] }, n.translateExtent = function (t) { return arguments.length ? (w = +t[0][0], M = +t[1][0], T = +t[0][1], N = +t[1][1], n) : [[w, T], [M, N]] }, n.duration = function (t) { return arguments.length ? (k = +t, n) : k }, n.interpolate = function (t) { return arguments.length ? (E = t, n) : E }, n.on = function () { var t = C.on.apply(C, arguments); return t === C ? n : t }, n }; t.version = Ts, t.bisect = Es, t.bisectRight = Es, t.bisectLeft = As, t.ascending = Ns, t.bisector = ks, t.descending = Cs, t.deviation = Rs, t.extent = qs, t.histogram = Vs, t.thresholdFreedmanDiaconis = $s, t.thresholdScott = Zs, t.thresholdSturges = Xs, t.max = Gs, t.mean = Js, t.median = Qs, t.merge = Ks, t.min = tf, t.pairs = nf, t.permute = ef, t.quantile = Ws, t.range = Is, t.scan = rf, t.shuffle = of, t.sum = uf, t.ticks = Hs, t.tickStep = e, t.transpose = af, t.variance = Ps, t.zip = cf, t.axisTop = s, t.axisRight = f, t.axisBottom = l, t.axisLeft = h, t.brush = md, t.brushX = Ee, t.brushY = Ae, t.brushSelection = Se, t.chord = kd, t.ribbon = Rd, t.nest = Ld, t.set = Ve, t.map = Ie, t.keys = Dd, t.values = Od, t.entries = Fd, t.color = Mt, t.rgb = St, t.hsl = zt, t.lab = Lt, t.hcl = Bt, t.cubehelix = Xt, t.dispatch = p, t.drag = xl, t.dragDisable = gl, t.dragEnable = _t, t.dsvFormat = Id, t.csvParse = Bd, t.csvParseRows = jd, t.csvFormat = Hd, t.csvFormatRows = Xd, t.tsvParse = Wd, t.tsvParseRows = $d, t.tsvFormat = Zd, t.tsvFormatRows = Gd, t.easeLinear = ne, t.easeQuad = ie, t.easeQuadIn = ee, t.easeQuadOut = re, t.easeQuadInOut = ie, t.easeCubic = ae, t.easeCubicIn = oe, t.easeCubicOut = ue, t.easeCubicInOut = ae, t.easePoly = zp, t.easePolyIn = Ap, t.easePolyOut = Cp, t.easePolyInOut = zp, t.easeSin = fe, t.easeSinIn = ce, t.easeSinOut = se, t.easeSinInOut = fe, t.easeExp = pe, t.easeExpIn = le, t.easeExpOut = he, t.easeExpInOut = pe, t.easeCircle = _e, t.easeCircleIn = de, t.easeCircleOut = ve, t.easeCircleInOut = _e, t.easeBounce = ge, t.easeBounceIn = ye, t.easeBounceOut = ge, t.easeBounceInOut = me, t.easeBack = Wp, t.easeBackIn = Xp, t.easeBackOut = Vp, t.easeBackInOut = Wp, t.easeElastic = Qp, t.easeElasticIn = Jp, t.easeElasticOut = Qp, t.easeElasticInOut = Kp, t.forceCenter = Jd, t.forceCollide = vv, t.forceLink = _v, t.forceManyBody = xv, t.forceSimulation = mv, t.forceX = bv, t.forceY = wv, t.formatDefaultLocale = hr, t.formatLocale = qv, t.formatSpecifier = zv, t.precisionFixed = Lv, t.precisionPrefix = Uv, t.precisionRound = Dv, t.geoArea = j_, t.geoBounds = V_, t.geoCentroid = $_, t.geoCircle = sy, t.geoClipExtent = _y, t.geoDistance = wy, t.geoGraticule = vi, t.geoGraticule10 = _i, t.geoInterpolate = My, t.geoLength = my, t.geoPath = jy, t.geoAlbers = ng, t.geoAlbersUsa = eg, t.geoAzimuthalEqualArea = ig, t.geoAzimuthalEqualAreaRaw = rg, t.geoAzimuthalEquidistant = ug, t.geoAzimuthalEquidistantRaw = og, t.geoConicConformal = cg, t.geoConicConformalRaw = eo, t.geoConicEqualArea = tg, t.geoConicEqualAreaRaw = Zi, t.geoConicEquidistant = fg, t.geoConicEquidistantRaw = io, t.geoEquirectangular = sg, t.geoEquirectangularRaw = ro, t.geoGnomonic = lg, t.geoGnomonicRaw = oo, t.geoIdentity = hg, t.geoProjection = Xi, t.geoProjectionMutator = Vi, t.geoMercator = ag, t.geoMercatorRaw = Ki, t.geoOrthographic = pg, t.geoOrthographicRaw = ao, t.geoStereographic = dg, t.geoStereographicRaw = co, t.geoTransverseMercator = vg, t.geoTransverseMercatorRaw = so, t.geoRotation = cy, t.geoStream = F_, t.geoTransform = Zy, t.cluster = _g, t.hierarchy = xo, t.pack = Pg, t.packSiblings = Cg, t.packEnclose = Ag, t.partition = Lg, t.stratify = Fg, t.tree = Ig, t.treemap = Hg, t.treemapBinary = Xg, t.treemapDice = qg, t.treemapSlice = Yg, t.treemapSliceDice = Vg, t.treemapSquarify = jg, t.treemapResquarify = Wg, t.interpolate = mh, t.interpolateArray = hh, t.interpolateBasis = uh, t.interpolateBasisClosed = ah, t.interpolateDate = ph, t.interpolateNumber = dh, t.interpolateObject = vh, t.interpolateRound = xh, t.interpolateString = gh, t.interpolateTransformCss = Th, t.interpolateTransformSvg = Nh, t.interpolateZoom = Ch, t.interpolateRgb = sh, t.interpolateRgbBasis = fh, t.interpolateRgbBasisClosed = lh, t.interpolateHsl = zh, t.interpolateHslLong = Ph, t.interpolateLab = fn, t.interpolateHcl = Rh, t.interpolateHclLong = qh, t.interpolateCubehelix = Lh, t.interpolateCubehelixLong = Uh, t.quantize = Dh, t.path = Re, t.polygonArea = $g, t.polygonCentroid = Zg, t.polygonHull = Jg, t.polygonContains = Qg, t.polygonLength = Kg; t.quadtree = nr; t.queue = fu, t.randomUniform = em, t.randomNormal = rm, t.randomLogNormal = im, t.randomBates = um, t.randomIrwinHall = om, t.randomExponential = am, t.request = cm, t.html = fm, t.json = lm, t.text = hm, t.xml = pm, t.csv = vm, t.tsv = _m, t.scaleBand = vu, t.scalePoint = yu, t.scaleIdentity = Su, t.scaleLinear = ku, t.scaleLog = qu, t.scaleOrdinal = du, t.scaleImplicit = xm, t.scalePow = Uu, t.scaleSqrt = Du, t.scaleQuantile = Ou, t.scaleQuantize = Fu, t.scaleThreshold = Iu, t.scaleTime = Vx, t.scaleUtc = Wx, t.schemeCategory10 = Zx, t.schemeCategory20b = Gx, t.schemeCategory20c = Jx, t.schemeCategory20 = Qx, t.interpolateCubehelixDefault = Kx, t.interpolateRainbow = rb, t.interpolateWarm = tb, t.interpolateCool = nb, t.interpolateViridis = ib, t.interpolateMagma = ob, t.interpolateInferno = ub, t.interpolatePlasma = ab, t.scaleSequential = $a, t.creator = xf, t.local = x, t.matcher = Nf, t.mouse = zf, t.namespace = mf, t.namespaces = gf, t.select = pl, t.selectAll = dl, t.selection = dt, t.selector = Pf, t.selectorAll = qf, t.touch = vl, t.touches = _l, t.window = Kf, t.customEvent = S, t.arc = pb, t.area = _b, t.line = vb, t.pie = mb, t.radialArea = wb, t.radialLine = bb, t.symbol = Bb, t.symbols = Yb, t.symbolCircle = Mb, t.symbolCross = Tb, t.symbolDiamond = Sb, t.symbolSquare = Rb, t.symbolStar = Pb, t.symbolTriangle = Lb, t.symbolWye = Ib, t.curveBasisClosed = Xb, t.curveBasisOpen = Vb, t.curveBasis = Hb, t.curveBundle = Wb, t.curveCardinalClosed = Zb, t.curveCardinalOpen = Gb, t.curveCardinal = $b, t.curveCatmullRomClosed = Qb, t.curveCatmullRomOpen = Kb, t.curveCatmullRom = Jb, t.curveLinearClosed = tw, t.curveLinear = db, t.curveMonotoneX = Cc, t.curveMonotoneY = zc, t.curveNatural = nw, t.curveStep = ew, t.curveStepAfter = Uc, t.curveStepBefore = Lc, t.stack = uw, t.stackOffsetExpand = aw, t.stackOffsetNone = iw, t.stackOffsetSilhouette = cw, t.stackOffsetWiggle = sw, t.stackOrderAscending = fw, t.stackOrderDescending = lw, t.stackOrderInsideOut = hw, t.stackOrderNone = ow, t.stackOrderReverse = pw, t.timeInterval = Yu, t.timeMillisecond = Em, t.timeMilliseconds = Am, t.utcMillisecond = Em, t.utcMilliseconds = Am, t.timeSecond = Lm, t.timeSeconds = Um, t.utcSecond = Lm, t.utcSeconds = Um, t.timeMinute = Dm, t.timeMinutes = Om, t.timeHour = Fm, t.timeHours = Im, t.timeDay = Ym, t.timeDays = Bm, t.timeWeek = jm, t.timeWeeks = Gm, t.timeSunday = jm, t.timeSundays = Gm, t.timeMonday = Hm, t.timeMondays = Jm, t.timeTuesday = Xm, t.timeTuesdays = Qm, t.timeWednesday = Vm, t.timeWednesdays = Km, t.timeThursday = Wm, t.timeThursdays = tx, t.timeFriday = $m, t.timeFridays = nx, t.timeSaturday = Zm, t.timeSaturdays = ex, t.timeMonth = rx, t.timeMonths = ix, t.timeYear = ox, t.timeYears = ux, t.utcMinute = ax, t.utcMinutes = cx, t.utcHour = sx, t.utcHours = fx, t.utcDay = lx, t.utcDays = hx, t.utcWeek = px, t.utcWeeks = xx, t.utcSunday = px, t.utcSundays = xx, t.utcMonday = dx, t.utcMondays = bx, t.utcTuesday = vx, t.utcTuesdays = wx, t.utcWednesday = _x, t.utcWednesdays = Mx, t.utcThursday = yx, t.utcThursdays = Tx, t.utcFriday = gx, t.utcFridays = Nx, t.utcSaturday = mx, t.utcSaturdays = kx, t.utcMonth = Sx, t.utcMonths = Ex, t.utcYear = Ax, t.utcYears = zx, t.timeFormatDefaultLocale = Ya, t.timeFormatLocale = Wu, t.isoFormat = Dx, t.isoParse = Ox, t.now = pn, t.timer = _n, t.timerFlush = yn, t.timeout = Wh, t.interval = $h, t.transition = Kn, t.active = rd, t.interrupt = op, t.voronoi = Tw, t.zoom = Ew, t.zoomTransform = ms, t.zoomIdentity = kw, Object.defineProperty(t, "__esModule", { value: !0 })
  });
  
  d3.sankey = function () {
    var sankey = {},
      nodeWidth = 24,
      nodePadding = 8,
      size = [1, 1],
      nodes = [],
      links = [],
      sinksRight = true;
  
    sankey.nodeWidth = function (_) {
      if (!arguments.length) return nodeWidth;
      nodeWidth = +_;
      return sankey;
    };
  
    sankey.nodePadding = function (_) {
      if (!arguments.length) return nodePadding;
      nodePadding = +_;
      return sankey;
    };
  
    sankey.nodes = function (_) {
      if (!arguments.length) return nodes;
      nodes = _;
      return sankey;
    };
  
    sankey.links = function (_) {
      if (!arguments.length) return links;
      links = _;
      return sankey;
    };
  
    sankey.size = function (_) {
      if (!arguments.length) return size;
      size = _;
      return sankey;
    };
  
    sankey.sinksRight = function (_) {
      if (!arguments.length) return sinksRight;
      sinksRight = _;
      return sankey;
    };
  
    sankey.layout = function (iterations) {
      computeNodeLinks();
      computeNodeValues();
      computeNodeBreadths();
      computeNodeDepths(iterations);
      return sankey;
    };
  
    sankey.relayout = function () {
      computeLinkDepths();
      return sankey;
    };
  
    // SVG path data generator, to be used as "d" attribute on "path" element selection.
    sankey.link = function () {
      var curvature = .5;
  
      function link(d) {
        var xs = d.source.x + d.source.dx,
          xt = d.target.x,
          xi = d3.interpolateNumber(xs, xt),
          xsc = xi(curvature),
          xtc = xi(1 - curvature),
          ys = d.source.y + d.sy + d.dy / 2,
          yt = d.target.y + d.ty + d.dy / 2;
  
        if (!d.cycleBreaker) {
          return "M" + xs + "," + ys
            + "C" + xsc + "," + ys
            + " " + xtc + "," + yt
            + " " + xt + "," + yt;
        } else {
          var xdelta = (1.5 * d.dy + 0.05 * Math.abs(xs - xt));
          xsc = xs + xdelta;
          xtc = xt - xdelta;
          var xm = xi(0.5);
          var ym = d3.interpolateNumber(ys, yt)(0.5);
          var ydelta = (2 * d.dy + 0.1 * Math.abs(xs - xt) + 0.1 * Math.abs(ys - yt)) * (ym < (size[1] / 2) ? -1 : 1);
          return "M" + xs + "," + ys
            + "C" + xsc + "," + ys
            + " " + xsc + "," + (ys + ydelta)
            + " " + xm + "," + (ym + ydelta)
            + "S" + xtc + "," + yt
            + " " + xt + "," + yt;
  
        }
      }
  
      link.curvature = function (_) {
        if (!arguments.length) return curvature;
        curvature = +_;
        return link;
      };
  
      return link;
    };
  
    // Populate the sourceLinks and targetLinks for each node.
    // Also, if the source and target are not objects, assume they are indices.
    function computeNodeLinks() {
      nodes.forEach(function (node) {
        // Links that have this node as source.
        node.sourceLinks = [];
        // Links that have this node as target.
        node.targetLinks = [];
      });
      links.forEach(function (link) {
        var source = link.source,
          target = link.target;
        if (typeof source === "number") source = link.source = nodes[link.source];
        if (typeof target === "number") target = link.target = nodes[link.target];
        source.sourceLinks.push(link);
        target.targetLinks.push(link);
      });
    }
  
    // Compute the value (size) of each node by summing the associated links.
    function computeNodeValues() {
      nodes.forEach(function (node) {
        node.value = Math.max(
          d3.sum(node.sourceLinks, value),
          d3.sum(node.targetLinks, value)
        );
      });
    }
  
    // Iteratively assign the breadth (x-position) for each node.
    // Nodes are assigned the maximum breadth of incoming neighbors plus one;
    // nodes with no incoming links are assigned breadth zero, while
    // nodes with no outgoing links are assigned the maximum breadth.
    function computeNodeBreadths() {
      var remainingNodes = nodes,
        nextNodes,
        x = 0;
  
      // Work from left to right.
      // Keep updating the breath (x-position) of nodes that are target of recently updated nodes.
      while (remainingNodes.length && x < nodes.length) {
        nextNodes = [];
        remainingNodes.forEach(function (node) {
          node.x = x;
          node.dx = nodeWidth;
          node.sourceLinks.forEach(function (link) {
            if (nextNodes.indexOf(link.target) < 0 && !link.cycleBreaker) {
              nextNodes.push(link.target);
            }
          });
        });
        if (nextNodes.length == remainingNodes.length) {
          // There must be a cycle here. Let's search for a link that breaks it.
          findAndMarkCycleBreaker(nextNodes);
          // Start over.
          // TODO: make this optional?
          return computeNodeBreadths();
        }
        else {
          remainingNodes = nextNodes;
          ++x;
        }
      }
  
      // Optionally move pure sinks always to the right, and scale node breadths
      if (sinksRight) {
        moveSinksRight(x);
        scaleNodeBreadths((size[0] - nodeWidth) / (x - 1));
      } else {
        scaleNodeBreadths((size[0] - nodeWidth) / x);
      }
  
  
    }
  
    // Find a link that breaks a cycle in the graph (if any).
    function findAndMarkCycleBreaker(nodes) {
      // Go through all nodes from the given subset and traverse links searching for cycles.
      var link;
      for (var n = nodes.length - 1; n >= 0; n--) {
        link = depthFirstCycleSearch(nodes[n], []);
        if (link) {
          return link;
        }
      }
  
      // Depth-first search to find a link that is part of a cycle.
      function depthFirstCycleSearch(cursorNode, path) {
        var target, link;
        for (var n = cursorNode.sourceLinks.length - 1; n >= 0; n--) {
          link = cursorNode.sourceLinks[n];
          if (link.cycleBreaker) {
            // Skip already known cycle breakers.
            continue;
          }
  
          // Check if target of link makes a cycle in current path.
          target = link.target;
          for (var l = 0; l < path.length; l++) {
            if (path[l].source == target) {
              // We found a cycle. Search for weakest link in cycle
              var weakest = link;
              for (; l < path.length; l++) {
                if (path[l].value < weakest.value) {
                  weakest = path[l];
                }
              }
              // Mark weakest link as (known) cycle breaker and abort search.
              weakest.cycleBreaker = true;
              return weakest;
            }
          }
  
          // Recurse deeper.
          path.push(link);
          link = depthFirstCycleSearch(target, path);
          path.pop();
          // Stop further search if we found a cycle breaker.
          if (link) {
            return link;
          }
        }
      }
    }
  
  
    function moveSourcesRight() {
      nodes.forEach(function (node) {
        if (!node.targetLinks.length) {
          node.x = d3.min(node.sourceLinks, function (d) { return d.target.x; }) - 1;
        }
      });
    }
  
    function moveSinksRight(x) {
      nodes.forEach(function (node) {
        if (!node.sourceLinks.length) {
          node.x = x - 1;
        } else {
          //move node to second from right 
          var nodes_to_right = 0;
          node.sourceLinks.forEach(function (n) {
            nodes_to_right = Math.max(nodes_to_right, n.target.sourceLinks.length)
            //console.log(node.name,n)
          })
          //console.log(node.name,nodes_to_right)
          if (nodes_to_right == 0) node.x = x - 2;
        }
  
      });
    }
  
    function scaleNodeBreadths(kx) {
      nodes.forEach(function (node) {
        node.x *= kx;
      });
    }
  
    // Compute the depth (y-position) for each node.
    function computeNodeDepths(iterations) {
      // Group nodes by breath.
      var nodesByBreadth = d3.nest()
        .key(function (d) { return d.x; })
        .sortKeys(d3.ascending)
        .entries(nodes)
        .map(function (d) { return d.values; });
  
      //
      initializeNodeDepth();
      resolveCollisions();
      computeLinkDepths();
      for (var alpha = 1; iterations > 0; --iterations) {
        relaxRightToLeft(alpha *= .99);
        resolveCollisions();
        computeLinkDepths();
        relaxLeftToRight(alpha);
        resolveCollisions();
        computeLinkDepths();
      }
  
      function initializeNodeDepth() {
        // Calculate vertical scaling factor.
        var ky = d3.min(nodesByBreadth, function (nodes) {
          return (size[1] - (nodes.length - 1) * nodePadding) / d3.sum(nodes, value);
        });
  
        nodesByBreadth.forEach(function (nodes) {
          nodes.forEach(function (node, i) {
            node.y = i;
            node.dy = node.value * ky;
          });
        });
  
        links.forEach(function (link) {
          link.dy = link.value * ky;
        });
      }
  
      function relaxLeftToRight(alpha) {
        nodesByBreadth.forEach(function (nodes, breadth) {
          nodes.forEach(function (node) {
            if (node.targetLinks.length) {
              // Value-weighted average of the y-position of source node centers linked to this node.
              var y = d3.sum(node.targetLinks, weightedSource) / d3.sum(node.targetLinks, value);
              node.y += (y - center(node)) * alpha;
            }
          });
        });
  
        function weightedSource(link) {
          return (link.source.y + link.sy + link.dy / 2) * link.value;
        }
      }
  
      function relaxRightToLeft(alpha) {
        nodesByBreadth.slice().reverse().forEach(function (nodes) {
          nodes.forEach(function (node) {
            if (node.sourceLinks.length) {
              // Value-weighted average of the y-positions of target nodes linked to this node.
              var y = d3.sum(node.sourceLinks, weightedTarget) / d3.sum(node.sourceLinks, value);
              node.y += (y - center(node)) * alpha;
            }
          });
        });
  
        function weightedTarget(link) {
          return (link.target.y + link.ty + link.dy / 2) * link.value;
        }
      }
  
      function resolveCollisions() {
        nodesByBreadth.forEach(function (nodes) {
          var node,
            dy,
            y0 = 0,
            n = nodes.length,
            i;
  
          // Push any overlapping nodes down.
          nodes.sort(ascendingDepth);
          for (i = 0; i < n; ++i) {
            node = nodes[i];
            dy = y0 - node.y;
            if (dy > 0) node.y += dy;
            y0 = node.y + node.dy + nodePadding;
          }
  
          // If the bottommost node goes outside the bounds, push it back up.
          dy = y0 - nodePadding - size[1];
          if (dy > 0) {
            y0 = node.y -= dy;
  
            // Push any overlapping nodes back up.
            for (i = n - 2; i >= 0; --i) {
              node = nodes[i];
              dy = node.y + node.dy + nodePadding - y0;
              if (dy > 0) node.y -= dy;
              y0 = node.y;
            }
          }
        });
      }
  
      function ascendingDepth(a, b) {
        return a.y - b.y;
      }
    }
  
    // Compute y-offset of the source endpoint (sy) and target endpoints (ty) of links,
    // relative to the source/target node's y-position.
    function computeLinkDepths() {
      nodes.forEach(function (node) {
        node.sourceLinks.sort(ascendingTargetDepth);
        node.targetLinks.sort(ascendingSourceDepth);
      });
      nodes.forEach(function (node) {
        var sy = 0, ty = 0;
        node.sourceLinks.forEach(function (link) {
          link.sy = sy;
          sy += link.dy;
        });
        node.targetLinks.forEach(function (link) {
          link.ty = ty;
          ty += link.dy;
        });
      });
  
      function ascendingSourceDepth(a, b) {
        return a.source.y - b.source.y;
      }
  
      function ascendingTargetDepth(a, b) {
        return a.target.y - b.target.y;
      }
    }
  
    // Y-position of the middle of a node.
    function center(node) {
      return node.y + node.dy / 2;
    }
  
    // Value property accessor.
    function value(x) {
      return x.value;
    }
  
    return sankey;
  };
  
  HTMLWidgets.widget({
  
    name: "sankeyNetwork",
  
    type: "output",
  
    initialize: function (el, width, height) {
  
      d3.select(el).append("svg")
        .style("width", "100%")
        .style("height", "100%");
  
      return {
        sankey: d3.sankey(),
        x: null
      };
    },
  
    resize: function (el, width, height, instance) {
      /*  handle resizing now through the viewBox
      d3.select(el).select("svg")
          .attr("width", width)
          .attr("height", height + height * 0.05);
  
      this.renderValue(el, instance.x, instance);
      */
  
      // with flexdashboard and slides
      //   sankey might be hidden so height and width 0
      //   in this instance re-render on resize
      if (d3.min(instance.sankey.size()) <= 0) {
        this.renderValue(el, instance.x, instance);
      }
    },
  
    renderValue: function (el, x, instance) {
  
      // save the x in our instance (for calling back from resize)
      instance.x = x;
  
      // alias sankey and options
      var sankey = instance.sankey;
      var options = x.options;
  
      // convert links and nodes data frames to d3 friendly format
      var links = HTMLWidgets.dataframeToD3(x.links);
      var nodes = HTMLWidgets.dataframeToD3(x.nodes);
  
  
      // margin handling
      //   set our default margin to be 20
      //   will override with x.options.margin if provided
      var margin = { top: 20, right: 20, bottom: 20, left: 20 };
      //   go through each key of x.options.margin
      //   use this value if provided from the R side
      Object.keys(x.options.margin).map(function (ky) {
        if (x.options.margin[ky] !== null) {
          margin[ky] = x.options.margin[ky];
        }
        // set the margin on the svg with css style
        // commenting this out since not correct
        // s.style(["margin",ky].join("-"), margin[ky]);
      });
  
      // get the width and height
      var width = el.getBoundingClientRect().width - margin.right - margin.left;
      var height = el.getBoundingClientRect().height - margin.top - margin.bottom;
  
      var color = eval(options.colourScale);
  
      var color_node = function color_node(d) {
        if (d.group) {
          return color(d.group.replace(/ .*/, ""));
        } else {
          return "#cccccc";
        }
      }
  
      var color_link = function color_link(d) {
        if (d.group) {
          return color(d.group.replace(/ .*/, ""));
        } else {
          return "#000000";
        }
      }
  
      var opacity_link = function opacity_link(d) {
        if (d.group) {
          return 0.7;
        } else {
          return 0.2;
        }
      }
  
  
      var formatNumber = d3.format(",.0f"),
        format = function (d) { return formatNumber(d); }
  
      // create d3 sankey layout
      sankey
        .nodes(nodes)
        .links(links)
        .size([width, height])
        .nodeWidth(options.nodeWidth)
        .nodePadding(options.nodePadding)
        .sinksRight(options.sinksRight)
        .layout(options.iterations);
  
      // select the svg element and remove existing children
      d3.select(el).select("svg").selectAll("*").remove();
      // remove any previously set viewBox attribute
      d3.select(el).select("svg").attr("viewBox", null);
      // append g for our container to transform by margin
      var svg = d3.select(el).select("svg").append("g")
        .attr("transform", "translate(" + margin.left + "," + margin.top + ")");
  
      // draw path
      var path = sankey.link();
  
      // draw links
      var link = svg.selectAll(".link")
        .data(links)
        .enter().append("path")
        .attr("class", "link")
        .attr("d", path)
        .style("stroke-width", function (d) { return Math.max(1, d.dy); })
        .style("fill", "none")
        .style("stroke", color_link)
        .style("stroke-opacity", opacity_link)
        .sort(function (a, b) { return b.dy - a.dy; })
        .on("mouseover", function (d) {
          d3.select(this)
            .style("stroke-opacity", function (d) { return opacity_link(d) + 0.3 });
        })
        .on("mouseout", function (d) {
          d3.select(this)
            .style("stroke-opacity", opacity_link);
        });
  
      // add backwards class to cycles
      link.classed('backwards', function (d) { return d.target.x < d.source.x; });
  
      svg.selectAll(".link.backwards")
        .style("stroke-dasharray", "9,1")
        .style("stroke", "#402")
  
      // draw nodes
      var node = svg.selectAll(".node")
        .data(nodes)
        .enter().append("g")
        .attr("class", "node")
        .attr("transform", function (d) {
          return "translate(" +
            d.x + "," + d.y + ")";
        })
        .call(d3.drag()
          .subject(function (d) { return d; })
          .on("start", function () { this.parentNode.appendChild(this); })
          .on("drag", dragmove))
        .on("mouseover", function (d) {
          link.filter(function (d1, i) { return d.targetLinks.includes(d1) | d.sourceLinks.includes(d1); })
            .style("stroke-opacity", function (d) { return opacity_link(d) + 0.3 });
        })
        .on("mouseout", function (d) {
          link.filter(function (d1, i) { return d.targetLinks.includes(d1) | d.sourceLinks.includes(d1); })
            .style("stroke-opacity", opacity_link);
        });
      // note: u2192 is right-arrow
      link.append("title")
        .append("foreignObject")
        .append("xhtml:body")
        .html(function (d) {
          return "<pre>" + d.source.name + " \u2192 " + d.target.name +
            "\n" + format(d.value) + " " + options.units + "</pre>";
        });
  
      node.append("rect")
        .attr("height", function (d) { return d.dy; })
        .attr("width", sankey.nodeWidth())
        .style("fill", function (d) {
          return d.color = color_node(d);
        })
        .style("stroke", function (d) { return d3.rgb(d.color).darker(2); })
        .style("opacity", 0.9)
        .style("cursor", "move")
        .append("title")
        .append("foreignObject")
        .append("xhtml:body")
        .html(function (d) {
          return "<pre>" + d.name + "<br>" + format(d.value) +
            " " + options.units + "</pre>";
        });
  
      node.append("text")
        .attr("x", -6)
        .attr("y", function (d) { return d.dy / 2; })
        .attr("dy", ".35em")
        .attr("text-anchor", "end")
        .attr("transform", null)
        .text(function (d) { return d.name; })
        .style("font-size", options.fontSize + "px")
        .style("font-family", options.fontFamily ? options.fontFamily : "inherit")
        .filter(function (d) { return d.x < width / 2 || !options.sinksRight; })
        .attr("x", 6 + sankey.nodeWidth())
        .attr("text-anchor", "start");
  
  
      // adjust viewBox to fit the bounds of our tree
      var s = d3.select(svg.node().parentNode);
      s.attr(
        "viewBox",
        [
          d3.min(
            s.selectAll('g').nodes().map(function (d) {
              return d.getBoundingClientRect().left
            })
          ) - s.node().getBoundingClientRect().left - margin.right,
          d3.min(
            s.selectAll('g').nodes().map(function (d) {
              return d.getBoundingClientRect().top
            })
          ) - s.node().getBoundingClientRect().top - margin.top,
          d3.max(
            s.selectAll('g').nodes().map(function (d) {
              return d.getBoundingClientRect().right
            })
          ) -
          d3.min(
            s.selectAll('g').nodes().map(function (d) {
              return d.getBoundingClientRect().left
            })
          ) + margin.left + margin.right,
          d3.max(
            s.selectAll('g').nodes().map(function (d) {
              return d.getBoundingClientRect().bottom
            })
          ) -
          d3.min(
            s.selectAll('g').nodes().map(function (d) {
              return d.getBoundingClientRect().top
            })
          ) + margin.top + margin.bottom
        ].join(",")
      );
  
  
      function dragmove(d) {
        d3.select(this).attr("transform", "translate(" + d.x + "," +
          (d.y = Math.max(0, Math.min(height - d.dy, d3.event.y))) + ")");
        sankey.relayout();
        link.attr("d", path);
      }
    },
  });