Bar graph added.

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

@@ -0,0 +1,17 @@
+import {geoProjection as projection} from "d3-geo";
+import {atan, cos, sqrtPi, tan} from "./math.js";
+
+export function foucautRaw(lambda, phi) {
+  var k = phi / 2, cosk = cos(k);
+  return [ 2 * lambda / sqrtPi * cos(phi) * cosk * cosk, sqrtPi * tan(k)];
+}
+
+foucautRaw.invert = function(x, y) {
+  var k = atan(y / sqrtPi), cosk = cos(k), phi = 2 * k;
+  return [x * sqrtPi / 2 / (cos(phi) * cosk * cosk), phi];
+};
+
+export default function() {
+  return projection(foucautRaw)
+      .scale(135.264);
+}