Bar graph added.

node_modules/d3-geo-projection/src/collignon.js

@@ -0,0 +1,18 @@
+import {geoProjection as projection} from "d3-geo";
+import {asin, pi, sin, sqrt, sqrtPi} from "./math.js";
+
+export function collignonRaw(lambda, phi) {
+  var alpha = sqrt(1 - sin(phi));
+  return [(2 / sqrtPi) * lambda * alpha, sqrtPi * (1 - alpha)];
+}
+
+collignonRaw.invert = function(x, y) {
+  var lambda = (lambda = y / sqrtPi - 1) * lambda;
+  return [lambda > 0 ? x * sqrt(pi / lambda) / 2 : 0, asin(1 - lambda)];
+};
+
+export default function() {
+  return projection(collignonRaw)
+      .scale(95.6464)
+      .center([0, 30]);
+}